5.12.11 / 2021-05-24

• fix(populate): skip applying setters when casting arrays for populate() to avoid issues with arrays of immutable elements #10264
• perf(schematype): avoid cloning setters every time we run setters #9588
• perf(get): add benchmarks and extra cases to speed up get() #9588
• perf(array): improve array constructor performance on small arrays to improve nested array perf #9588
• fix(index.d.ts): allow using type: [String] with string[] when using SchemaDefinition with generic #10261
• fix(index.d.ts): support ReadonlyArray as well as regular array where possible in schema definitions #10260
• docs(connection): document noListener option to useDb #10278 stuartpb
• docs: migrate raw tutorial content from pug / JS to markdown #10271
• docs: fix typo #10269 sanjib

5.12.10 / 2021-05-18

• fix(query): allow setting defaults option on result documents from query options #7287 IslandRhythms
• fix(populate): handle populating embedded discriminator with custom tiedValue #10231
• fix(document): allow passing space-delimited string of pathsToValidate to validate() and validateSync() #10258
• fix(model+schema): support loadClass() on classes that have collection as a static property #10257 #10254 IslandRhythms
• fix(SchemaArrayOptions): correct property name #10236
• fix(index.d.ts): add any to all query operators to minimize likelihood of "type instantiation is excessively deep" when querying docs with 4-level deep subdocs #10189
• fix(index.d.ts): add $parent() in addition to parent() in TS definitions
• fix(index.d.ts): correct async iterator return type for QueryCursor #10253 #10252 #10251 borfig
• fix(index.d.ts): add virtualsOnly parameter to loadClass() function signature IslandRhythms
• docs(typescript): add typescript populate docs #10212
• docs: switch from AWS to Azure Functions for search #10244

5.12.9 / 2021-05-13

• fix(schema): ensure add() overwrites existing schema paths by default #10208 #10203
• fix(schema): support creating nested paths underneath document arrays #10193
• fix(update): convert nested dotted paths in update to nested paths to avoid ending up with dotted properties in update #10200
• fix(document): allow calling validate() and validateSync() with options as first parameter #10216
• fix(schema): apply static properties to model when using loadClass() #10206
• fix(index.d.ts): allow returning Promise from middleware functions #10229
• fix(index.d.ts): add pre('distinct') hooks to TypeScript #10192

5.12.8 / 2021-05-10

• fix(populate): handle populating immutable array paths #10159
• fix(CastError): add toJSON() function to ensure name property always ends up in JSON.stringify() output #10166 IslandRhythms
• fix(query): add allowDiskUse() method to improve setting MongoDB 4.4's new allowDiskUse option #10177
• fix(populate): allow populating paths under mixed schematypes where some documents have non-object properties #10191
• chore: remove unnecessary driver dynamic imports so Mongoose can work with Parcel #9603
• fix(index.d.ts): allow any object as parameter to create() and insertMany() #10144
• fix(index.d.ts): allow creating Model class with raw interface, no extends Document #10144
• fix(index.d.ts): separate UpdateQuery from UpdateWithAggregationPipeline for cases when UpdateQuery is used as a function param #10186
• fix(index.d.ts): don't require error value in pre/post hooks #10213 michaln-q
• docs(typescript): add a typescript intro tutorial and statics tutorial #10021
• docs(typescript): add query helpers tutorial #10021
• docs(deprecations): add note that you can safely ignore useFindAndModify and useCreateIndex deprecation warnings #10155
• chore(workflows): add node 16 to github actions #10201 AbdelrahmanHafez

5.12.7 / 2021-04-29

• fix(document): make $getPopulatedDocs() return populated virtuals #10148
• fix(discriminator): take discriminator schema's single nested paths over base schema's #10157
• fix(discriminator): allow numbers and ObjectIds as tied values for discriminators #10130
• fix(document): avoid double validating paths underneath mixed objects in save() #10141
• fix(schema): allow path() to return single nested paths within document arrays #10164
• fix(model+query): consistently wrap query callbacks in process.nextTick() to avoid clean stack traces causing memory leak when using synchronous recursion like async.whilst() #9864
• fix(cursor): correctly report CastError when using noCursorTimeout flag #10150
• fix(index.d.ts): add CastError constructor #10176
• fix(index.d.ts): allow setting mongoose.pluralize(null) in TypeScript #10185
• docs: add link to transactions guide from nav bar #10143
• docs(validation): add section about custom error messages #10140
• docs: make headers linkable via clicking #10156
• docs: broken link in document.js #10190 joostdecock
• docs: make navbar responsive on legacy 2.x docs #10171 ad99526

5.12.6 / 2021-04-27

• fix(query): allow setting writeConcern schema option to work around MongoDB driver's writeConcern deprecation warning #10083 #10009 IslandRhythms
• fix(populate): dedupe when virtual populate foreignField is an array to avoid duplicate docs in result #10117
• fix(populate): add localField filter to $elemMatch on virtual populate when custom match has a $elemMatch and foreignField is an array #10117
• fix(query): convert projection string values to numbers as a workaround for #10142
• fix(document): set version key filter on save() when using optimisticConcurrency if no changes in document #10128 IslandRhythms
• fix(model): use obj as context in Model.validate() if obj is a document #10132
• fix(connection): avoid db events deprecation warning when using useDb() with useUnifiedTopology #8267
• fix: upgrade to sift@13.5.2 to work around transitive dev dependency security warning #10121
• fix(index.d.ts): allow any object as parameter to create() and insertMany() #10144
• fix(index.d.ts): clarify that eachAsync() callback receives a single doc rather than array of docs unless batchSize is set #10135
• fix(index.d.ts): clarify that return value from validateSync() is a ValidationError #10147 michaln-q
• fix(index.d.ts): add generic type for Model constructor #10074 Duchynko
• fix(index.d.ts): add parameter type in merge #10168 yoonhoGo

5.12.5 / 2021-04-19

• fix(populate): handle populating underneath document array when document array property doesn't exist in db #10003
• fix(populate): clear out dangling pointers to populated docs so query cursor with populate() can garbage collect populated subdocs #9864
• fix(connection): pull correct autoCreate value from Mongoose global when creating new model before calling connect() #10091
• fix(populate): handle populating paths on documents with discriminator keys that point to non-existent discriminators #10082
• fix(index.d.ts): allow numbers as discriminator names #10115
• fix(index.d.ts): allow type: Boolean in Schema definitions #10085
• fix(index.d.ts): allow passing array of aggregation pipeline stages to updateOne() and updateMany() #10095
• fix(index.d.ts): support legacy 2nd param callback syntax for deleteOne(), deleteMany() #10122
• docs(mongoose): make useCreateIndex always false in docs #10033
• docs(schema): fix incorrect links from schema API docs #10111

5.12.4 / 2021-04-15

• fix: upgrade mongodb driver -> 3.6.6 #10079
• fix: store fields set with select:false at schema-level when saving a new document #10101 ptantiku
• fix(populate): avoid turning already populated field to null when populating an existing lean document #10068 IslandRhythms
• fix(populate): correctly populate lean subdocs with _id property #10069
• fix(model): insertedDocs may contain docs that weren't inserted #10098 olnazx
• fix(schemaType): make type Mixed cast error objects to pojos #10131 AbdelrahmanHafez
• fix(populate): support populating embedded discriminators in nested arrays #9984
• fix(populate): handle populating map paths using trailing .$* #10123
• fix(populate): allow returning primitive from transform() function for single conventional populate #10064
• fix(index.d.ts): allow generic classes of T to use T & Document internally #10046
• fix(index.d.ts): allow $pull with $ paths #10075
• fix(index.d.ts): use correct Date type for $currentDate #10058
• fix(index.d.ts): add missing asyncInterator to Query type def #10094 borfig
• fix(index.d.ts): allow RHS of $unset properties to be any value #10066
• fix(index.d.ts): allow setting SchemaType index property to a string #10077
• refactor(index.d.ts): move discriminator() to common interface #10109 LoneRifle

5.12.3 / 2021-03-31

• fix: avoid setting schema-level collation on text indexes #10044 IslandRhythms
• fix(query): add writeConcern() method to avoid writeConcern deprecation warning #10009
• fix(connection): use queueing instead of event emitter for createCollection() and other helpers to avoid event emitter warning #9778
• fix(connection): scope Connection#id to Mongoose instance so id always lines up with mongoose.connections index #10025 IslandRhythms
• fix: avoid throwing in promiseOrCallback() if 3rd param isn't an EventEmitter #10055 emrebass
• fix(index.d.ts): add Model as 2nd generic param to Model.discriminator() #10054 coro101
• fix(index.d.ts): add docs to next() callback for pre('insertMany') hooks #10078 #10072 pezzu
• fix(index.d.ts): add transform to PopulateOptions interface #10061
• fix(index.d.ts): add DocumentQuery type for backwards compatibility #10036

5.12.2 / 2021-03-22

• fix(QueryCursor): consistently execute post('find') hooks with an array of docs #10015 #9982 IslandRhythms
• fix(schema): support setting ref as an option on an array SchemaType #10029
• fix(query): apply schema-level select option from array schematypes #10029
• fix(schema): avoid possible prototype pollution with Schema() constructor #10035 zpbrent
• fix(model): make bulkWrite skip timestamps with timestamps: false #10050 SoftwareSing
• fix(index.d.ts): make query methods return QueryWithHelpers so query helpers pass through chaining #10040
• fix(index.d.ts): add upserted array to updateOne(), updateMany(), update() result #10042
• fix(index.d.ts): add back Aggregate#project() types that were mistakenly removed in 5.12.0 #10043
• fix(index.d.ts): always allow setting type in Schema to a SchemaType class or a Schema instance #10030
• docs(transactions): introduce session.withTransaction() before session.startTransaction() because withTransaction() is the recommended approach #10008
• docs(mongoose+browser): fix broken links to info about mongoose.Types #10016

5.12.1 / 2021-03-18

• fix: update mongodb -> 3.6.5 to fix circular dependency warning #9900
• fix(document): make toObject() use child schema flattenMaps option by default #9995
• fix(ObjectId): make isValidObjectId() check that length 24 strings are hex chars only #10010 #9996 IslandRhythms
• fix(query): correctly cast embedded discriminator paths when discriminator key is specified in array filter #9977
• fix(schema): skip populated() check when calling applyGetters() with a POJO for mongoose-lean-getters support #9986
• fix(populate): support populating dotted subpath of a populated doc that has the same id as a populated doc #10005
• fix(index.d.ts): correct this for query helpers #10028 francescov1
• fix(index.d.ts): avoid omitting function property keys in LeanDocuments, because TS can't accurately infer what's a function if using generic functions #9989
• fix(index.d.ts): correct type definition for SchemaType#cast() #10039 #9980
• fix(index.d.ts): make SchemaTypeOptions a class, add missing SchemaType#OptionsConstructor #10001
• fix(index.d.ts): support calling findByIdAndUpdate() with filter, update, callback params #9981

5.12.0 / 2021-03-11

• feat(populate): add transform option that Mongoose will call on every populated doc #3775
• feat(query): make Query#pre() and Query#post() public #9784
• feat(document): add Document#getPopulatedDocs() to return an array of all populated documents in a document #9702 IslandRhythms
• feat(document): add Document#getAllSubdocs() to return an array of all single nested and array subdocuments #9764 IslandRhythms
• feat(schema): allow schema as a schema path name #8798 IslandRhythms
• feat(QueryCursor): Add batch processing for eachAsync #9902 khaledosama999
• feat(connection): add noListener option to help with use cases where you're using useDb() on every request #9961
• feat(index): emit 'createConnection' event when user calls mongoose.createConnection() #9985
• feat(connection+index): emit 'model' and 'deleteModel' events on connections when creating and deleting models #9983
• feat(query): allow passing explain option to Model.exists() #8098 IslandRhythms

5.11.20 / 2021-03-11

• fix(query+populate): avoid unnecessarily projecting in subpath when populating a path that uses an elemMatch projection #9973
• fix(connection): avoid db events deprecation warning with 'close' events #10004 #9930
• fix(index.d.ts): make $pull more permissive to allow dotted paths #9993

5.11.19 / 2021-03-05

• fix(document): skip validating array elements that aren't modified when validateModifiedOnly is set #9963
• fix(timestamps): apply timestamps on findOneAndReplace() #9951
• fix(schema): correctly handle trailing array filters when looking up schema paths #9977
• fix(schema): load child class getter for virtuals instead of base class when using loadClass() #9975
• fix(index.d.ts): allow creating statics without passing generics to Schema constructor #9969
• fix(index.d.ts): add QueryHelpers generic to schema and model, make all query methods instead return QueryWithHelpers #9850
• fix(index.d.ts): support setting type to an array of schemas when using SchemaDefinitionType #9962
• fix(index.d.ts): add generic to plugin schema definition #9968 emiljanitzek
• docs: small typo fix #9964 KrishnaMoorthy12

5.11.18 / 2021-02-23

• fix(connection): set connection state to disconnected if connecting string failed to parse #9921
• fix(connection): remove db events deprecation warning if useUnifiedTopology = true #9930
• fix(connection): fix promise chaining for openUri #9960 lantw44
• fix(index.d.ts): add PopulatedDoc type to make it easier to define populated docs in interfaces #9818
• fix(index.d.ts): allow explicitly overwriting toObject() return type for backwards compatibility #9944
• fix(index.d.ts): correctly throw error when interface path type doesn't line up with schema path type #9958 ShadiestGoat
• fix(index.d.ts): remove any from deleteX() and updateX() query params and return values #9959 btd
• fix(index.d.ts): add non-generic versions of Model.create() for better autocomplete #9928
• docs: correctly handle multiple &gt in API descriptions #9940

5.11.17 / 2021-02-17

• fix(populate): handle perDocumentLimit when multiple documents reference the same populated doc #9906
• fix(document): handle directly setting embedded document array element with projection #9909
• fix(map): cast ObjectId to string inside of MongooseMap #9938 HunterKohler
• fix(model): use schema-level default collation for indexes if index doesn't have collation #9912
• fix(index.d.ts): make SchemaTypeOptions#type optional again to allow alternative typeKeys #9927
• fix(index.d.ts): support { type: String } in schema definition when using SchemaDefinitionType generic #9911
• docs(populate+schematypes): document the $* syntax for populating every entry in a map #9907
• docs(connection): clarify that Connection#transaction() promise resolves to a command result #9919

5.11.16 / 2021-02-12

• fix(document): skip applying array element setters when init-ing an array #9889
• fix: upgrade to mongodb driver 3.6.4 #9893 jooeycheng
• fix: avoid copying Object.prototype properties when cloning #9876
• fix(aggregate): automatically convert functions to strings when using $function operator #9897
• fix: call pre-remove hooks for subdocuments #9895 #9885 IslandRhythms
• docs: fix confusing sentence in Schema docs #9914 namenyi

5.11.15 / 2021-02-03

• fix(document): fix issues with isSelected as an path in a nested schema #9884 #9873 IslandRhythms
• fix(index.d.ts): better support for SchemaDefinition generics when creating schema #9863 #9862 #9789
• fix(index.d.ts): allow required function in array definition #9888 Ugzuzg
• fix(index.d.ts): reorder create typings to allow array desctructuring #9890 Ugzuzg
• fix(index.d.ts): add missing overload to Model.validate #9878 #9877 jonamat
• fix(index.d.ts): throw compiler error if schema says path is a String, but interface says path is a number #9857
• fix(index.d.ts): make Query a class, allow calling Query#where() with object argument and with no arguments #9856
• fix(index.d.ts): support calling Schema#pre() and Schema#post() with options and array of hooked function names #9844
• docs(faq): mention other debug options than console #9887 dandv
• docs(connections): clarify that Mongoose can emit 'error' both during initial connection and after initial connection #9853

5.11.14 / 2021-01-28

• fix(populate): avoid inferring justOne from parent when populating a POJO with a manually populated path #9833 IslandRhythms
• fix(document): apply setters on each element of the array when setting a populated array #9838
• fix(map): handle change tracking on maps of subdocs #9811 IslandRhythms
• fix(document): remove dependency on documentIsSelected symbol #9841 IslandRhythms
• fix(error): make ValidationError.toJSON to include the error name correctly #9849 hanzki
• fix(index.d.ts): indicate that Document#remove() returns a promise, not a query #9826
• fix(index.d.ts): allow setting SchemaType#enum to TypeScript enum with required: true #9546

5.11.13 / 2021-01-20

• fix(map): handle change tracking on map of arrays #9813
• fix(connection): allow passing options to Connection#transaction() #9834 pnutmath
• fix(index.d.ts): make Query#options#rawResult take precedence over new+upsert #9816
• fix(index.d.ts): changed setOptions's 'overwrite' argument to optional #9824 pierissimo
• fix(index.d.ts): allow setting mongoose.Promise #9820
• fix(index.d.ts): add Aggregate#replaceRoot() #9814
• fix(index.d.ts): make Model.create() with a spread return a promise of array rather than single doc #9817
• fix(index.d.ts): use SchemaDefinitionProperty generic for SchemaTypeOptions if specified #9815
• docs(populate): add note about setting toObject for populate virtuals #9822

5.11.12 / 2021-01-14

• fix(document): handle using db as a document path #9798
• fix(collection): make sure to call onOpen() if autoCreate === false #9807
• fix(index.d.ts): correct query type for findOneAndUpdate() and findByIdAndUpdate() with rawResult = true #9803
• fix(index.d.ts): require setting new: true or returnOriginal: false to skip null check with findOneAndUpdate() #9654
• fix(index.d.ts): make methods and statics optional on schema #9801
• fix(index.d.ts): remove non backwards compatible methods restriction #9801
• docs: removed the extra word on comment doc #9794 HenriqueLBorges

5.11.11 / 2021-01-08

• fix(model): support calling create() with undefined as first argument and no callback #9765
• fix(index.d.ts): ensure TypeScript knows that this refers to DocType in schema methods with strict mode #9755
• fix(index.d.ts): make SchemaDefinition accept a model generic #9761 mroohian
• fix(index.d.ts): add Aggregate#addFields() #9774
• fix(index.d.ts): allow setting min and max to [number, string] and [Date, string] #9762
• fix(index.d.ts): improve context and type bindings for Schema#methods and Schema#statics #9717
• docs: add recommended connection option #9768 Fernando-Lozano
• chore: correct improper date in History.md #9783 botv

5.11.10 / 2021-01-04

• fix(model): support populate option for insertMany() as a workaround for mongoose-autopopulate #9720
• perf(schema): avoid creating extra array when initializing array of arrays #9588
• perf(schema): avoid setting arrayPath when casting to a non-array, avoid unnecessarily setting atomics #9588
• perf(schema): avoid expensive String#slice() call when creating a new array #9588
• fix(queryhelpers): avoid modifying lean.virtuals in place #9754
• fix: fall back to legacy treatment for square brackets if square brackets contents aren't a number #9640
• fix(document): make fix for #9396 handle null values more gracefully #9709
• fix(index.d.ts): add missing overloaded function for Document#populate() #9744 sahasayan
• fix(index.d.ts): allow Model.create param1 overwrite #9753 hasezoey
• fix(index.d.ts): improve autocomplete for query middleware #9752 3Aahmednaser94
• fix(index.d.ts): add missing function for Aggregate#group() #9750 coro101
• fix(index.d.ts): add missing Aggregate#project() #9763 vorticalbox
• fix(index.d.ts): allow null as an enum value for schematypes #9746
• docs(guide+schema): make schema API docs and guide docs' list of Schema options line up #9749
• docs(documents): add some more details about what the save() promise resolves to #9689
• docs(subdocs): add section about subdocument defaults #7291
• chore: run GitHub CI on PRs and update badge #9760 YC

5.11.9 / 2020-12-28

• fix(document): keeps atomics when assigning array to filtered array #9651
• fix(document): apply defaults option to subdocument arrays #9736
• fix(index.d.ts): allow passing generic parameter to overwrite lean() result type #9728
• fix(index.d.ts): add missing pre hook for findOneAndUpdate #9743 sahasayan
• fix(index.d.ts): schema methods & statics types #9725
• fix(index.d.ts): allow id paths with non-string values in TypeScript #9723
• fix(index.d.ts): support calling createIndexes() and ensureIndexes() with just callback #9706
• fix(index.d.ts): include __v in LeanDocuments #9687
• fix(index.d.ts): add missing Aggregate#append() #9714
• chore: add eslint typescript support and lint index.d.ts file #9729 simllll
• chore: add Github Actions #9688 YC

5.11.8 / 2020-12-14

• fix(index.d.ts): add missing single document populate #9696 YC
• fix(index.d.ts): make options optional for toObject #9700
• fix(index.d.ts): added missing match and model methods in Aggregate class #9710 manekshms
• fix(index.d.ts): make options optional for createIndexes() and ensureIndexes() #9706
• fix(index.d.ts): support passing a function to ValidateOpts.message #9697
• docs: add media query for ::before on headings #9705 #9704 YC

5.11.7 / 2020-12-10

• fix(document): ensure calling get() with empty string returns undefined for mongoose-plugin-autoinc #9681
• fix(model): set isNew to false for documents that were successfully inserted by insertMany with ordered = false when an error occurred #9677
• fix(index.d.ts): add missing Aggregate#skip() & Aggregate#limit() #9692 sahasayan
• fix(index.d.ts): make Document#id optional so types that use id can use Model<IMyType & Document> #9684

5.11.6 / 2020-12-09

• fix(middleware): ensure sync errors in pre hooks always bubble up to the calling code #9659
• fix(index.d.ts): allow passing ObjectId properties as strings to create() and findOneAndReplace() #9676
• fix(index.d.ts): allow calling mongoose.model() and Connection#model() with model as generic param #9685 #9678 sahasayan
• fix(index.d.ts): Fix return type of Model#aggregate() #9680 orgads
• fix(index.d.ts): optional next() parameter for post middleware #9683 isengartz
• fix(index.d.ts): allow array of validators in SchemaTypeOptions #9686 cjroebuck

5.11.5 / 2020-12-07

• fix(map): support null in maps of subdocs #9628
• fix(index.d.ts): support object syntax for validate #9667
• fix(index.d.ts): Allow number for Schema expires #9670 alecgibson
• fix(index.d.ts): allow definining arbitrary properties on SchemaTypeOpts for plugins like mongoose-autopopulate #9669
• fix(index.d.ts): add mongoose.models #9661 #9660 AbdelrahmanHafez
• fix(index.d.ts): allow the next() argument to be optional #9665 #9664 sahasayan
• fix(index.d.ts): add missing VirtualType#applyGetters() and applySetters(), Schema#virtuals, Schema#childSchemas, Query#_mongooseOptions #9658
• fix(index.d.ts): add id to LeanDocuments in case it is defined in the user's schema #9657
• fix(index.d.ts): add missing types for hook functions #9653
• fix(index.d.ts): improve support for strict null checks with upsert and orFail() #9654
• fix(index.d.ts): make return values for insertMany() more consistent #9662
• fix(index.d.ts): Change options in Connection#collection() to be optional #9663 orgads
• fix(index.d.ts): add the missing generic declaration for Schema #9655 sahasayan
• fix(index.d.ts): add missing SchemaTypeOpts and ConnectionOptions aliases for backwards compat
• docs(populate): remove sort() from limit example to avoid potential confusion #9584
• docs(compatibility): add MongoDB server 4.4 version compatibility #9641

5.11.4 / 2020-12-04

• fix(index.d.ts): add Document#__v so documents have a Version by default #9652 sahasayan
• fix(index.d.ts): add missing session option to SaveOptions #9642
• fix(index.d.ts): add Schema#paths, Schema#static(obj), Embedded#schema, DocumentArray#schema, make Schema inherit from EventEmitter #9650
• fix(index.d.ts): order when cb is optional in method #9647 CatsMiaow
• fix(index.d.ts): use DocumentDefinition for FilterQuery #9649
• fix(index.d.ts): correct callback result types for find(), findOne(), findById() #9648
• fix(index.d.ts): remove Document#parent() method because it conflicts with existing user code #9645
• fix(index.d.ts): add missing Connection#db property #9643
• test(typescript): add tsconfig.json file for intellisense #9611 alecgibson

5.11.3 / 2020-12-03

• fix(index.d.ts): make Mongoose collection inherit MongoDB collection #9637 #9630 AbdelrahmanHafez
• fix(index.d.ts): add Document#_id so documents have an id by default #9632
• fix(index.d.ts): allow inline schema definitions for nested properties #9639 Green-Cat
• fix(index.d.ts): add support for missing error message definitions #9638 SaifAlsabe
• fix(schema+discriminator): support defining recursive embedded discriminators by passing document array schematype to discriminator #9600
• fix(index.d.ts): make it possible to use LeanDocument with arrays #9620
• fix(index.d.ts): add ModelUpdateOptions as alias for QueryOptions for backwards compat #9637

5.11.2 / 2020-12-02

• fix(index.d.ts): add missing query options and model findById() function #9626 #9620
• fix(index.d.ts): support defining schema paths as arrays of functions #9617
• fix(index.d.ts): add automatic _id for Document, support creating Mongoose globals and accessing collection name #9618
• fix(index.d.ts): add missing global get() and set() #9616
• fix(index.d.ts): add missing new and returnOriginal options to QueryOptions, add missing model static properties #9627 #9616 #9615
• fix(index.d.ts): allow useCreateIndex in connection options #9621

5.11.1 / 2020-12-01

• fix(index.d.ts): add missing SchemaOptions #9606
• fix(index.d.ts): allow using $set in updates #9609
• fix(index.d.ts): add support for using return value of createConnection() as a connection as well as a promise #9612 #9610 alecgibson
• fix(index.d.ts): allow using Types.ObjectId() without new in TypeScript #9608

5.11.0 / 2020-11-30

• feat: add official TypeScript definitions index.d.ts file #8108
• feat(connection): add bufferTimeoutMS option that configures how long Mongoose will allow commands to buffer #9469
• feat(populate): support populate virtuals with localField and foreignField as arrays #6608
• feat(populate+virtual): feat: support getters on populate virtuals, including get option for Schema#virtual() #9343
• feat(populate+schema): add support for populate schematype option that sets default populate options #6029
• feat(QueryCursor): execute post find hooks for each doc in query cursor #9345
• feat(schema): support overwriting cast logic for individual schematype instances #8407
• feat(QueryCursor): make cursor populate() in batch when using batchSize #9366 biomorgoth
• chore: remove changelog from published bundle #9404
• feat(model+mongoose): add overwriteModels option to bypass OverwriteModelError globally #9406
• feat(model+query): allow defining middleware for all query methods or all document methods, but not other middleware types #9190
• feat(document+model): make change tracking skip saving if new value matches last saved value #9396
• perf(utils): major speedup for deepEqual() on documents and arrays #9396
• feat(schema): support passing a TypeScript enum to enum validator in schema #9547 #9546 AbdelrahmanHafez
• feat(debug): #8963 shell option for date format (ISODate) #9532 FlameFractal
• feat(document): support square bracket indexing for get(), set() #9375
• feat(document): support array and space-delimited syntax for Document#$isValid(), isDirectSelected(), isSelected(), $isDefault() #9474
• feat(string): make minLength and maxLength behave the same as minlength and maxlength #8777 m-weeks
• feat(document): add $parent() as an alias for parent() for documents and subdocuments to avoid path name conflicts #9455

5.10.19 / 2020-11-30

• fix(query): support passing an array to $type in query filters #9577
• perf(schema): avoid creating unnecessary objects when casting to array #9588
• docs: make example gender neutral #9601 rehatkathuria

5.10.18 / 2020-11-29

• fix(connection): connect and disconnect can be used destructured #9598 #9597 AbdelrahmanHafez

5.10.17 / 2020-11-27

• fix(document): allow setting fields after an undefined field #9587 AbdelrahmanHafez

5.10.16 / 2020-11-25

• fix(connection): copy config options from connection rather than base connection when calling useDb() #9569
• fix(schema): support of for array type definitions to be consistent with maps #9564
• docs(dates): fix broken example reference #9557 kertof
• docs(virtualtype): remove unintentional h2 tag re: tj/dox#60 #9568

5.10.15 / 2020-11-16

• fix(array): make sure Array#toObject() returns a vanilla JavaScript array in Node.js 6+ #9540
• fix(connection): make disconnect() stop Mongoose if it is trying to reconnect #9531
• fix: ensure Document#overwrite() correctly overwrites maps #9549
• fix(document): make transform work with nested paths #9544 #9543 jonathan-wilkinson
• fix(query): maxTimeMS in count, countDocuments, distinct #9552 FlameFractal
• fix(schema): remove warning re: increment as a schema path name #9538
• fix(model): automatically set partialFilterExpression for indexes in discriminator schemas #9542

5.10.14 / 2020-11-12

• fix(update): handle casting immutable object properties with $setOnInsert #9537
• fix(discriminator): overwrite instead of merge if discriminator schema specifies a path is single nested but base schema has path as doc array #9534
• docs(middleware): clarify that you need to set both document and query on remove hooks to get just document middleware #9530 mustafaKamal-fe
• docs(CONTRIBUTING): remove mmapv1 recommendation and clean up a few other details #9529
• refactor: remove duplicate function definition #9527 ksullivan

5.10.13 / 2020-11-06

• fix: upgrade mongodb driver -> 3.6.3 for Lambda cold start fixes #9521 #9179 AbdelrahmanHafez
• fix(document): correctly handle setting props to other nested props #9519

5.10.12 / 2020-11-04

• fix(connection): catch and report sync errors in connection wrappers like startSession() #9515
• fix(document): ignore getters when diffing values for change tracking #9501
• fix(connection): avoid executing promise handler unless it's a function #9507 AbdelrahmanHafez
• fix(error): throw more helpful error when connecting to a non-SSL MongoDB server with SSL enabled #9511
• docs(model+query): clarify that deleteOne and deleteMany trigger middleware #9504
• docs(ssl): add note about ssl defaulting to true for srv connection strings #9511

5.10.11 / 2020-10-26

• fix(connection): when calling mongoose.connect() multiple times in parallel, make 2nd call wait for connection before resolving #9476
• fix(map): make save() persist Map#clear() #9493
• fix(document): avoid overwriting array subdocument when setting dotted path that isn't selected #9427
• fix(connection): don't throw Atlas error if server discovery doesn't find any servers #9470
• docs: update options for Model.findOneAndUpdate #9499 radamson

5.10.10 / 2020-10-23

• fix(schema): handle merging schemas from separate Mongoose module instances when schema has a virtual #9471
• fix(connection): make connection.then(...) resolve to a connection instance #9497 AbdelrahmanHafez
• fix(aggregate): when using $search with discriminators, add $match as the 2nd stage in pipeline rather than 1st #9487
• fix(query): cast $nor within $elemMatch #9479
• docs(connection): add note about 'error' event versus 'disconnected' event #9488 tareqdayya

5.10.9 / 2020-10-09

• fix(update): strip out unused array filters to avoid "filter was not used in the update" error #9468
• fix(mongoose): allow setting autoCreate as a global option to be consistent with autoIndex #9466

5.10.8 / 2020-10-05

• fix(schema): handle setting nested paths underneath single nested subdocs #9459
• fix(schema+index): allow calling mongoose.model() with schema from a different Mongoose module instance #9449
• fix(transaction): fix saving new documents w/ arrays in transactions #9457 PenguinToast
• fix(document): track reason on cast errors that occur while init-ing a document #9448
• fix(model): make createCollection() not throw error when collection already exists to be consistent with v5.9 #9447
• docs(connections): add SSL connections docs #9443
• docs(query_casting): fix typo #9458 craig-davis

5.10.7 / 2020-09-24

• fix(schema): set correct path and schema on nested primitive arrays #9429
• fix(document): pass document to required validator so required can use arrow functions #9435 AbdelrahmanHafez
• fix(document): handle required when schema has property named isSelected #9438
• fix(timestamps): allow using timestamps when schema has a property named 'set' #9428
• fix(schema): make Schema#clone() use parent Mongoose instance's Schema constructor #9426

5.10.6 / 2020-09-18

• fix(populate): handle options.perDocumentLimit option same as perDocumentLimit when calling populate() #9418
• fix(document): invalidate path if default function throws an error #9408
• fix: ensure subdocument defaults run after initial values are set when initing #9408
• docs(faq+queries): add more detail about duplicate queries, including an faq entry #9386
• docs: replace var with let and const in docs and test files #9414 jmadankumar
• docs(model+query): document using array of strings as projection #9413
• docs(middleware): add missing backtick #9425 tphobe9312

5.10.5 / 2020-09-11

• fix: bump mongodb -> 3.6.2 #9411 AbdelrahmanHafez
• fix(query+aggregate+cursor): support async iteration over a cursor instance as opposed to a Query or Aggregate instance #9403
• fix(document): respect child schema minimize if toObject() is called without an explicit minimize #9405
• docs(guide): use const instead of var #9394 nainardev
• docs(query): link to lean, findOneAndUpdate, query casting tutorials from query docs #9410

5.10.4 / 2020-09-09

• fix(document): allow setting nested path to instance of model #9392
• fix: handle findOneAndRemove() with orFail() #9381
• fix(schema): support setting _id option to false after instantiating schema #9390
• docs(document): fix formatting on getChanges() #9376

5.10.3 / 2020-09-03

• fix: upgrade mongodb -> 3.6.1 #9380 lamhieu-vk
• fix(populate): allow populating paths underneath subdocument maps #9359
• fix(update): handle casting map paths when map is underneath a single nested subdoc #9298
• fix(discriminator): avoid removing nested path if both base and discriminator schema have the same nested path #9362
• fix(schema): support Schema#add() with schematype instances with different paths #9370
• docs(api): fix typo in Query#get() example #9372 elainewlin

5.10.2 / 2020-08-28

• fix(model): avoid uncaught error if insertMany() fails due to server selection error #9355
• fix(aggregate): automatically convert accumulator function options to strings #9364
• fix(document): handle pull() on a document array when _id is an alias #9319
• fix(queryhelpers): avoid path collision error when projecting in discriminator key with .$ #9361
• fix: fix typo in error message thrown by unimplemented createIndex #9367 timhaley94
• docs(plugins): note that plugins should be applied before you call mongoose.model() #7723

5.10.1 / 2020-08-26

• fix(mongoose): fix .then() is not a function error when calling mongoose.connect() multiple times #9358 #9335 #9331
• fix: allow calling create() after bulkWrite() by clearing internal casting context #9350
• fix(model): dont wipe out changes made while save() is in-flight #9327
• fix(populate): skip checking refPath if the path to populate is undefined #9340
• fix(document): allow accessing document values from function default on array #9351
• fix(model): skip applying init hook if called with schema.pre(..., { document: false }) #9316
• fix(populate): support retainNullValues when setting _id to false for subdocument #9337 #9336 FelixRe0
• docs: update connect example to avoid deprecation warnings #9332 moander

5.10.0 / 2020-08-14

• feat: upgrade to MongoDB driver 3.6 for full MongoDB 4.4 support
• feat(connection): add Connection#transaction() helper that handles resetting Mongoose document state if the transaction fails #8380
• feat(connection): make transaction() helper reset array atomics after failed transaction
• feat(schema+model): add optimisticConcurrency option to use OCC for save() #9001 #5424
• feat(aggregate): add Aggregate#search() for Atlas Text Search #9115
• feat(mongoose): add support for setting setDefaultsOnInsert as a global option #9036 AbdelrahmanHafez
• feat(mongoose): add support for setting returnOriginal as a global option #9189 #9183 AbdelrahmanHafez
• feat(mongoose): allow global option mongoose.set('strictQuery', true) #9016 AbdelrahmanHafez
• feat(document): add Document#getChanges #9097 AbdelrahmanHafez
• feat(document): support defaults option to disable adding defaults to a single document #8271
• feat(SingleNestedPath+DocumentArray): add static set() function for global options, support setting _id globally #8883
• feat(query): handle casting $or when each clause contains a different discriminator key #9018
• feat(query): add overwriteDiscriminatorKey option that allows changing the discriminator key in findOneAndUpdate(), updateOne(), etc. #6087
• fix(connection): make calling mongoose.connect() while already connected a no-op #9203
• feat(connection): add getClient() and setClient() function for interacting with a connection's underlying MongoClient instance #9164
• feat(document+populate): add parent() function that allows you to get the parent document for populated docs #8092
• feat(document): add useProjection option to toObject() and toJSON() for hiding deselected fields on newly created documents #9118

5.9.29 / 2020-08-13

• fix(document): support setting nested path to itself when it has nested subpaths #9313
• fix(model): make syncIndexes() report error if it can't create an index #9303
• fix: handle auth error when Atlas username is incorrect #9300

5.9.28 / 2020-08-07

• fix(connection): consistently stop buffering when "reconnected" is emitted #9295
• fix(error): ensure name and message show up on individual ValidatorErrors when calling JSON.stringify() on a ValidationError #9296
• fix(document): keeps manually populated paths when setting a nested path to itself #9293
• fix(document): allow saving after setting document array to itself #9266
• fix(schema): handle match schema validator with /g flag #9287
• docs(guide): refactor transactions examples to async/await #9204

5.9.27 / 2020-07-31

• fix: upgrade mongodb driver -> 3.5.10 AbdelrahmanHafez
• docs(transactions): make transactions docs use async/await for readability #9204

5.9.26 / 2020-07-27

• fix(document): allow unsetting boolean field by setting the field to undefined #9275
• fix(document): throw error when overwriting a single nested subdoc changes an immutable path within the subdoc #9281
• fix(timestamps): apply timestamps to bulkWrite() updates when not using $set #9268
• fix(browser): upgrade babel to v7 to work around an issue with extends Error #9273
• fix: make subdocument's invalidate() methods have the same return value as top-level document #9271
• docs(model): make create() docs use async/await, and add another warning about how create() with options requires array syntax #9280
• docs(connections): clarify that Mongoose can emit 'connected' when reconnecting after losing connectivity #9240
• docs(populate): clarify that you can't filter based on foreign document properties when populating #9279
• docs(document+model): clarify how validateModifiedOnly option works #9263
• docs: remove extra poolSize option in comment #9270 shahvicky
• docs: point bulkWrite() link to mongoose docs instead of localhost #9284

5.9.25 / 2020-07-17

• fix(discriminator): allow passing a compiled model's schema as a parameter to discriminator() #9238
• fix(connection): throw more readable error when querying db before initial connection when bufferCommands = false #9239
• fix(indexes): don't unnecessarily drop text indexes when running syncIndexes() #9225
• fix: make Boolean _castNullish respect omitUndefined #9242 ehpc
• fix(populate): populate single nested discriminator underneath doc array when populated docs have different model but same id #9244
• docs(mongoose): correct formatting typo #9247 JNa0

5.9.24 / 2020-07-13

• fix(connection): respect connection-level bufferCommands option if mongoose.connect() is called after mongoose.model() #9179
• fix(document): clear out priorDoc after overwriting single nested subdoc so changes after overwrite get persisted correctly #9208
• fix(connection): dont overwrite user-specified bufferMaxEntries when setting bufferCommands #9218
• fix(model): allow passing projection to Model.hydrate() #9209
• fix(schema+document): support adding null to schema boolean's convertToFalse set #9223
• docs(model): make find and findOne() examples use async/await and clarify find({}) is find all #9210

4.13.21 / 2020-07-12

• fix(query): delete top-level _bsontype property in queries to prevent silent empty queries #8222

5.9.23 / 2020-07-10

• fix(model): fix syncIndexes() error when db index has a collation but Mongoose index does not #9224 clhuang
• fix(array): only cast array to proper depth if it contains an non-array value #9217 #9215 cyrilgandon
• docs(schematype): document the transform option #9211
• docs(mongoose): fix typo #9212 JNa0

5.9.22 / 2020-07-06

• fix(schema): treat { type: mongoose.Schema.Types.Array } as equivalent to { type: Array } #9194
• fix: revert fix for #9107 to avoid issues when calling connect() multiple times #9167
• fix(update): respect storeSubdocValidationError option with update validators #9172
• fix: upgrade to safe-buffer 5.2 #9198
• docs: add a note about SSL validation to migration guide #9147
• docs(schemas): fix inconsistent header #9196 samtsai15

5.9.21 / 2020-07-01

• fix: propagate typeKey option to implicitly created schemas from typePojoToMixed #9185 joaoritter
• fix(populate): handle embedded discriminator refPath with multiple documents #9153
• fix(populate): handle deselected foreign field with perDocumentLimit and multiple documents #9175
• fix(document): disallow transform functions that return promises #9176 #9163 AbdelrahmanHafez
• fix(document): use strict equality when checking mixed paths for modifications #9165
• docs: add target="_blank" to all edit links #9058

5.9.20 / 2020-06-22

• fix(populate): handle populating primitive array under document array discriminator #9148
• fix(connection): make sure to close previous connection when calling openUri() on an already open connection #9107
• fix(model): fix conflicting $setOnInsert default values with update values in bulkWrite #9160 #9157 AbdelrahmanHafez
• docs(validation): add note about validateBeforeSave and invalidate #9144 dandv
• docs: specify the array field syntax for invalidate #9137 dandv
• docs: fix several typos and broken references #9024 AbdelrahmanHafez
• docs: fix minor typo #9143 dandv

5.9.19 / 2020-06-15

• fix: upgrade mongodb driver -> 3.5.9 #9124 AbdelrahmanHafez
• fix: copy required validator on single nested subdoc correctly when calling Schema#clone() #8819
• fix(discriminator): handle tiedValue when casting update on nested paths #9108
• fix(model): allow empty arrays for bulkWrite #9132 #9131 AbdelrahmanHafez
• fix(schema): correctly set partialFilterExpression for nested schema indexes #9091
• fix(castArrayFilters): handle casting on all fields of array filter #9122 lafeuil
• fix(update): handle nested path createdAt when overwriting parent path #9105
• docs(subdocs): add some notes on the difference between single nested subdocs and nested paths #9085
• docs(subdocs): improve docs on typePojoToMixed #9085
• docs: add note about connections in globalSetup with Jest #9063
• docs: add schema and how to set default sub-schema to schematype options #9111 dfle
• docs(index): use const instead of var in examples #9125 dmcgrouther
• docs: corrected markdown typo #9117

5.9.18 / 2020-06-05

• fix: improve atlas error in the event of incorrect password #9095
• docs: add edit link for all docs pages #9058
• fix(document): allow accessing $locals when initializing document #9099 #9098 AbdelrahmanHafez
• fix(query): make setDefaultsOnInsert a mongoose option so it doesn't end up in debug output #9086
• docs(connection+index): add serverSelectionTimeoutMS and heartbeatFrequencyMS to connect() and openUri() options #9071
• docs(geojson): add notes about geojson 2dsphere indexes #9044
• docs: make active page bold in navbar #9062
• docs: correct a typo in a code snippet #9089 Elvis-Sarfo

5.9.17 / 2020-06-02

• fix(document): avoid tracking changes like splice() on slice()-ed arrays #9011
• fix(populate): make populating a nested path a no-op #9073
• fix(document): clear nested cast errors when overwriting an array path #9080
• fix: upgrade mongodb to v3.5.8 #9069 AbdelrahmanHafez
• docs(document): add validateModifiedOnly to Document#save(), Document#validateSync() and Document#validate() #9078 AbdelrahmanHafez
• docs(faq): fix typo #9075 tigransimonyan
• docs: document all parameters to .debug #9029 dandv
• docs: fix property value in Getters example #9061 ismet

5.9.16 / 2020-05-25

• perf(error): convert errors to classes extending Error for lower CPU overhead #9021 zbjornson
• fix(query): throw CastError if filter $and, $or, $nor contain non-object values #8948
• fix(bulkwrite): cast filter & update to schema after applying timestamps #9030 AbdelrahmanHafez
• fix(document): don't overwrite defaults with undefined keys in nested documents #9039 vitorhnn
• fix(discriminator): remove discriminator schema nested paths pulled from base schema underneath a mixed path in discriminator schema #9042
• fix(model): make syncIndexes() not drop index if all user-specified collation options are the same #8994
• fix(document): make internal $__.scope property a symbol instead to work around a bug with fast-safe-stringify #8955
• docs: model.findByIdAndUpdate() 'new' param fix #9026 dandv

5.9.15 / 2020-05-18

• fix(schema): treat creating dotted path with no parent as creating a nested path #9020
• fix(documentarray): make sure you can call unshift() after map() #9012 philippejer
• fix(model): cast bulkwrite according to discriminator schema if discriminator key is present #8982 AbdelrahmanHafez
• fix(schema): remove db from reserved keywords #8940
• fix(populate): treat populating a doc array that doesn't have a ref as a no-op #8946
• fix(timestamps): set createdAt and updatedAt on doubly nested subdocs when upserting #8894
• fix(model): allow POJOs as schemas for model.discriminator(...) #8991 AbdelrahmanHafez
• fix(model): report insertedDocs on insertMany() errors #8938
• fix(model): ensure consistent writeErrors property on insertMany error with ordered: false, even if only one op failed #8938
• docs: add anchor tag to strictQuery and strict #9014 AbdelrahmanHafez
• docs(faq): remove faq ipv6 #9004
• docs: add note about throwing error only after validation and fix broken reference to api/CastError #8993 AbdelrahmanHafez
• docs: fix typos in documents.pug #9005 dandv

5.9.14 / 2020-05-13

• fix(cursor): add index as second parameter to eachAsync callback #8972 AbdelrahmanHafez
• fix(query): cast filter according to discriminator schema if discriminator key in filter #8881
• fix(model): fix throwing error when populating virtual path defined on child discriminator #8924 AbdelrahmanHafez
• fix(errors): handle case when user has make Error.prototype.toJSON read only #8986 osher
• fix(model): add kind to cast errors thrown by query execution #8953 AbdelrahmanHafez
• fix(update): use child schema strict on single nested updates if useNestedStrict not set #8922
• docs(model): improve save() docs #8956 AbdelrahmanHafez
• docs: add immutable type to Schema Types #8987 Andrew5569
• docs: sort schema reserved keys in documentation #8966 AbdelrahmanHafez

5.9.13 / 2020-05-08

• fix(schema): mark correct path as modified when setting a path underneath a nested array of documents #8926
• fix(query): Query#select({ field: false }) should not overwrite schema selection options #8929 #8923
• fix(update): handle immutable properties are ignored in bulk upserts #8952 philippejer
• docs(browser): add back sample webpack config #8890
• docs(faq): fix broken reference in limit vs perDocumentLimit #8937

5.9.12 / 2020-05-04

• fix(document): report cast error on array elements with array index instead of just being a cast error for the whole array #8888
• fix(connection): throw more helpful error in case of IP whitelisting issue with Atlas #8846
• fix(schema): throw error on schema with reserved key with type of object #8869 AbdelrahmanHafez
• fix(connection): inherit config for useDB from default connection #8267 AbdelrahmanHafez
• fix(query): set mongodb options for distinct() #8906 clhuang
• fix(schema): allow adding descending indexes on schema #8895 AbdelrahmanHafez
• fix(document): set defaults if setting nested path to empty object with minimize: false #8829
• fix(populate): check discriminator existence before accessing schema in getModelsMapForPopulate #8837 AbdelrahmanHafez
• docs: fix broken references to Mongoose#Document API, and prefer mongoose.model(...) over Document#model(...) #8914 AbdelrahmanHafez
• docs(model): adds options.limit to Model.insertMany(...) #8864 AbdelrahmanHafez
• docs: add flattenMaps and aliases to Document#toObject() #8901 AbdelrahmanHafez
• docs(model): add options.overwrite to findOneAndUpdate #8865 AbdelrahmanHafez
• docs(populate+faq): separate limit-vs-perDocumentLimit into its own section, add FAQ for populate and limit #8917 AbdelrahmanHafez

5.9.11 / 2020-04-30

• fix: upgrade mongodb driver -> 3.5.7 #8842 AbdelrahmanHafez
• fix: validate nested paths on Model.validate(...) #8848 AbdelrahmanHafez
• fix(populate): make doc.execPopulate(options) a shorthand for doc.populate(options).execPopulate() #8840 AbdelrahmanHafez
• fix(model): return validation errors when all docs are invalid & rawResult set #8853 tusharf5
• fix(schemaType): treat select: null or select: undefined as not specified #8850 AbdelrahmanHafez
• fix: fix stream close event listener being called multiple times in Node 14 #8835 AbdelrahmanHafez
• fix(populate): handle clone with lean when setting a path to null #8807
• docs(faq): clarify setting paths under document arrays with markModified() #8854
• docs: fix race condition in creating connection for lambda #8845 AbdelrahmanHafez
• docs: add options.path for Model.populate(...) #8833 AbdelrahmanHafez
• docs: use ES6 classes for custom schema type example #8802

5.9.10 / 2020-04-20

• fix: upgrade mongodb -> 3.5.6, bson -> 1.1.4 #8719
• fix(document): avoid calling $set() on object keys if object path isn't in schema #8751
• fix(timestamps): handle timestamps on doubly nested subdocuments #8799
• fix(schematype): throw error if default is set to a schema instance #8751
• fix: handle $elemMatch projection with select: false in schema #8818 #8806 AbdelrahmanHafez
• docs: make FAQ questions more linkable #8825 AbdelrahmanHafez
• docs(validation): use init() as opposed to once('index') in unique example #8816
• docs: clarify insertMany() return value #8820 dandv
• docs(populate+query): fix typos #8793 #8794 dandv
• docs(model): document skipId parameter #8791 AbdelrahmanHafez

5.9.9 / 2020-04-13

• fix(model): make Model.bulkWrite accept strict option #8782 #8788 AbdelrahmanHafez
• fix(virtual): make populated virtual getter return value when it is passed in #8775 #8774 makinde
• fix(document): handle validating document array whose docs contain maps and nested paths #8767
• fix(document): skip discriminator key when overwriting a document #8765
• fix(populate): support clone option with lean #8761 #8760
• docs(transactions): use endSession() in all transactions examples #8741
• docs(queries): expand streaming section to include async iterators, cursor timeouts, and sesssion idle timeouts #8720
• docs(model+query+findoneandupdate): add docs for returnOriginal option #8766
• docs(model): fix punctuation #8788 dandv
• docs: fix typos #8780 #8799 dandv

5.9.8 / 2020-04-06

• fix(map): run getters when calling Map#get() #8730
• fix(populate): handle refPath function in embedded discriminator #8731
• fix(model): allow setting timestamps to false for bulkWrite #8758 #8745 AbdelrahmanHafez
• fix(model): pass custom options to exists() when no changes to save #8764 #8739 AbdelrahmanHafez
• fix(update): respect useNestedStrict: false when updating a single nested path #8735
• fix(schema): allow modelName as a schema path, since modelName is a static property on models #7967
• docs(promises): add section about using exec() with queries and await #8747
• docs(connections): clarify that connectTimeoutMS doesn't do anything with useUnifiedTopology, should use serverSelectionTimeoutMS #8721
• chore: upgrade mpath -> 0.7.0 #8762 roja548

5.9.7 / 2020-03-30

• fix(map): avoid infinite loop when setting a map of documents to a document copied using spread operator #8722
• fix(query): clean stack trace for filter cast errors so they include the calling file #8691
• fix(model): make bulkWrite updates error if strict and upsert are set and filter contains a non-schema path #8698
• fix(cast): make internal castToNumber() allow undefined #8725 p3x-robot

5.9.6 / 2020-03-23

• fix(document): allow saving document with nested document array after setting nestedArr.0 #8689
• docs(connections): expand section about multiple connections to describe patterns for exporting schemas #8679
• docs(populate): add note about execPopulate() to "populate an existing document" section #8671 #8275
• docs: fix broken links #8690 AbdelrahmanHafez
• docs(guide): fix typos #8704 MateRyze
• docs(guide): fix minor typo #8683 pkellz

5.9.5 / 2020-03-16

• fix: upgrade mongodb driver -> 3.5.5 #8667 #8664 AbdelrahmanHafez
• fix(connection): emit "disconnected" after losing connectivity to every member of a replica set with useUnifiedTopology: true #8643
• fix(array): allow calling slice() after push() #8668 #8655 AbdelrahmanHafez
• fix(map): avoid marking map as modified if setting key to the same value #8652
• fix(updateValidators): don't run Mixed update validator on dotted path underneath mixed type #8659
• fix(populate): ensure top-level limit applies if one document being populated has more than limit results #8657
• fix(populate): throw error if both limit and perDocumentLimit are set #8661 #8658 AbdelrahmanHafez
• docs(findOneAndUpdate): add a section about the rawResult option #8662
• docs(guide): add section about loadClass() #8623
• docs(query): improve Query#populate() example to clarify that sort doesn't affect the original result's order #8647

5.9.4 / 2020-03-09

• fix(document): allow new Model(doc) to set immutable properties when doc is a mongoose document #8642
• fix(array): make sure you can call unshift() after slice() #8482
• fix(schema): propagate typePojoToMixed to implicitly created arrays #8627
• fix(schema): also propagate typePojoToMixed option to schemas implicitly created because of typePojoToMixed #8627
• fix(model): support passing background option to syncIndexes() #8645
• docs(schema): add a section about the _id path in schemas #8625
• docs(virtualtype+populate): document using match with virtual populate #8616
• docs(guide): fix typo #8648 sauzy34

5.9.3 / 2020-03-02

• fix: upgrade mongodb driver -> 3.5.4 #8620
• fix(document): set subpath defaults when overwriting single nested subdoc #8603
• fix(document): make calling validate() with single nested subpath only validate that single nested subpath #8626
• fix(browser): make mongoose.model() return a class in the browser to allow hydrating populated data in the browser #8605
• fix(model): make syncIndexes() and cleanIndexes() drop compound indexes with _id that aren't in the schema #8559
• docs(connection+index): add warnings to explain that bufferMaxEntries does nothing with useUnifiedTopology #8604
• docs(document+model+query): add options.timestamps parameter docs to findOneAndUpdate() and findByIdAndUpdate() #8619
• docs: fix out of date links to tumblr #8599

5.9.2 / 2020-02-21

• fix(model): add discriminator key to bulkWrite filters #8590
• fix(document): when setting nested array path to non-nested array, wrap values top-down rather than bottom up when possible #8544
• fix(document): dont leave nested key as undefined when setting nested key to empty object with minimize #8565
• fix(document): avoid throwing error if setting path to Mongoose document with nullish _doc #8565
• fix(update): handle Binary type correctly with runValidators #8580
• fix(query): run deleteOne hooks only on Document#deleteOne() when setting options.document = true for Schema#pre() #8555
• fix(document): allow calling validate() in post validate hook without causing parallel validation error #8597
• fix(virtualtype): correctly copy options when cloning #8587
• fix(collection): skip creating capped collection if autoCreate set to false #8566
• docs(middleware): clarify that updateOne and deleteOne hooks are query middleware by default, not document middleware #8581
• docs(aggregate): clarify that Aggregate#unwind() can take object parameters as well as strings #8594

5.9.1 / 2020-02-14

• fix(model): set session when calling save() with no changes #8571
• fix(schema): return correct pathType when single nested path is embedded under a nested path with a numeric name #8583
• fix(queryhelpers): remove Object.values() for Node.js 4.x-6.x support #8596
• fix(cursor): respect sort order when using eachAsync() with parallel and a sync callback #8577
• docs: update documentation of custom _id overriding in discriminators #8591 sam-mfb

5.9.0 / 2020-02-13

• fix: upgrade to MongoDB driver 3.5 #8520 #8563
• feat(schematype): support setting default options for schema type (trim on all strings, etc.) #8487
• feat(populate): add perDocumentLimit option that limits per document in find() result, rather than across all documents #7318
• feat(schematype): enable setting transform option on individual schematypes #8403
• feat(timestamps): allow setting currentTime option for setting custom function to get the current time #3957
• feat(connection): add Connection#watch() to watch for changes on an entire database #8425
• feat(document): add Document#$op property to make it easier to tell what operation is running in middleware #8439
• feat(populate): support limit as top-level populate option #8445

5.8.13 / 2020-02-13

• fix(populate): use safe get to avoid crash if schematype doesn't have options #8586

5.8.12 / 2020-02-12

• fix(query): correctly cast dbref $id with $elemMatch #8577
• fix(populate): handle populating when some embedded discriminator schemas have refPath but none of the subdocs have refPath #8553
• docs: add useUnifiedTopology to homepage example #8558 AbdelrahmanHafez
• refactor(utils): moving promiseOrCallback to helpers/promiseOrCallback #8573 hugosenari

5.8.11 / 2020-01-31

• fix(document): allow calling validate() multiple times in parallel on subdocs to avoid errors if Mongoose double-validates taxilian #8548 #8539
• fix(connection): allow calling initial mongoose.connect() after connection helpers on the same tick #8534
• fix(connection): throw helpful error when callback param to mongoose.connect() or mongoose.createConnection() is not a function #8556
• fix(drivers): avoid unnecessary caught error when importing #8528
• fix(discriminator): remove unnecessary utils.merge() samgladstone #8542
• docs: add "built with mongoose" page #8540

5.8.10 / 2020-01-27

• perf(document): improve performance of document creation by skipping unnecessary split() calls #8533 igrunert-atlassian
• fix(document): only call validate once for deeply nested subdocuments #8532 #8531 taxilian
• fix(document): create document array defaults in forward order, not reverse #8514
• fix(document): allow function as message for date min/max validator #8512
• fix(populate): don't try to populate embedded discriminator that has populated path but no refPath #8527
• fix(document): plugins from base schema when creating a discriminator #8536 samgladstone
• fix(document): ensure parent and ownerDocument are set for subdocs in document array defaults #8509
• fix(document): dont set undefined keys to null if minimize is false #8504
• fix(update): bump timestamps when using update aggregation pipelines #8524
• fix(model): ensure cleanIndexes() drops indexes with different collations #8521
• docs(model): document insertMany lean option #8522
• docs(connections): document authSource option #8517

5.8.9 / 2020-01-17

• fix(populate): skip populating embedded discriminator array values that don't have a refPath #8499
• docs(queries): clarify when to use queries versus aggregations #8494

5.8.8 / 2020-01-14

• fix(model): allow using lean with insertMany() #8507 #8234 ntsekouras
• fix(document): don't throw parallel validate error when validating subdoc underneath modified nested path #8486
• fix: allow typePojoToMixed as top-level option #8501 #8500 AbdelrahmanHafez
• docs(populate+schematypes): make note of _id getter for ObjectIds in populate docs #8483

5.8.7 / 2020-01-10

• fix(documentarray): modify ownerDocument when setting doc array to a doc array thats part of another document #8479
• fix(document): ensure that you can call splice() after slice() on an array #8482
• docs(populate): improve cross-db populate docs to include model refs #8497

5.8.6 / 2020-01-07

• chore: merge changes from 4.13.20 and override mistaken publish to latest tag

4.13.20 / 2020-01-07

• fix(schema): make aliases handle mongoose-lean-virtuals #6069

5.8.5 / 2020-01-06

• fix(document): throw error when running validate() multiple times on the same document #8468
• fix(model): ensure deleteOne() and deleteMany() set discriminator filter even if no conditions passed #8471
• fix(document): allow pre('validate') hooks to throw errors with name = 'ValidationError' #8466
• fix(update): move top level $set of immutable properties to $setOnInsert so upserting with immutable properties actually sets the property #8467
• fix(document): avoid double-running validators on single nested subdocs within single nested subdocs #8468
• fix(populate): support top-level match option for virtual populate #8475
• fix(model): avoid applying skip when populating virtual with count #8476

5.8.4 / 2020-01-02

• fix(populate): ensure populate virtual gets set to empty array if localField is undefined in the database #8455
• fix(connection): wrap mongoose.connect() server selection timeouts in MongooseTimeoutError for more readable stack traces #8451
• fix(populate): allow deselecting foreignField from projection by prefixing with - #8460
• fix(populate): support embedded discriminators with refPath when not all discriminator schemas have refPath #8452
• fix(array): allow defining enum on array if an array of numbers #8449

5.8.3 / 2019-12-23

• fix: upgrade mongodb -> 3.4.1 #8430 jaschaio
• fix(populate): don't add empty subdocument to array when populating path underneath a non-existent document array #8432
• fix(schema): handle _id option for document array schematypes #8450
• fix(update): call setters when updating mixed type #8444
• docs(connections): add note about MongoTimeoutError.reason #8402

5.8.2 / 2019-12-20

• fix(schema): copy .add()-ed paths when calling .add() with schema argument #8429
• fix(cursor): pull schema-level readPreference when using Query#cursor() #8421
• fix(cursor): wait for all promises to resolve if parallel is greater than number of documents #8422
• fix(document): depopulate entire array when setting array path to a partially populated array #8443
• fix: handle setDefaultsOnInsert with deeply nested subdocs #8392
• fix(document): report DocumentNotFoundError if underlying document deleted but no changes made #8428 #8371 AbdelrahmanHafez
• docs(populate): clarify limitations of limit option for populate and suggest workaround #8409
• docs(deprecations): explain which connection options are no longer relevant with useUnifiedTopology #8411
• chore: allow browser build to be published #8435 #8427 captaincaius

5.8.1 / 2019-12-12

• fix(documentarray): dont attempt to cast when modifying array returned from map() #8399
• fix(document): update single nested subdoc parent when setting to existing single nested doc #8400
• fix(schema): add $embeddedSchemaType property to arrays for consistency with document arrays #8389

5.8.0 / 2019-12-09

• feat: wrap server selection timeout errors in MongooseTimeoutError to retain original stack trace #8259
• feat(model): add Model.validate() function that validates a POJO against the model's schema #7587
• feat(schema): add Schema#pick() function to create a new schema with a picked subset of the original schema's paths #8207
• feat(schema): add ability to change CastError message using cast option to SchemaType #8300
• feat(schema): group indexes defined in schema path with the same name #6499
• fix(model): build all indexes even if one index fails #8185 unusualbob
• feat(browser): pre-compile mongoose/browser #8350 captaincaius
• fix(connection): throw error when setting unsupported option #8335 #6899 AbdelrahmanHafez
• feat(schema): support enum validator for number type #8139
• feat(update): allow using MongoDB 4.2 update aggregation pipelines, with no Mongoose casting #8225
• fix(update): make update validators run on all subpaths when setting a nested path, even omitted subpaths #3587
• feat(schema): support setting _id as an option to single nested schema paths #8137
• feat(query): add Query#mongooseOptions() function #8296
• feat(array): make MongooseArray#push() support using $position #4322
• feat(schema): make pojo paths optionally become subdoc instead of Mixed #8228 captaincaius
• feat(model): add Model.cleanIndexes() to drop non-schema indexes #6676
• feat(document): make updateOne() document middleware pass this to post hooks #8262
• feat(aggregate): run pre/post aggregate hooks on explain() #5887
• docs(model+query): add session option to docs for findOneAndX() methods #8396

5.7.14 / 2019-12-06

• fix(cursor): wait until all eachAsync() functions finish before resolving the promise #8352
• fix(update): handle embedded discriminator paths when discriminator key is defined in the update #8378
• fix(schematype): handle passing message function to SchemaType#validate() as positional arg #8360
• fix(map): handle cloning a schema that has a map of subdocuments #8357
• docs(schema): clarify that uppercase, lowercase, and trim options for SchemaString don't affect RegExp queries #8333

5.7.13 / 2019-11-29

• fix: upgrade mongodb driver -> 3.3.5 #8383
• fix(model): catch the error when insertMany fails to initialize the document #8365 #8363 Fonger
• fix(schema): add array.$, array.$.$ subpaths for nested arrays #6405
• docs(error): add more detail about the ValidatorError class, including properties #8346
• docs(connection): document Connection#models property #8314

5.7.12 / 2019-11-19

• fix: avoid throwing error if calling push() on a doc array with no parent #8351 #8317 #8312 AbdelrahmanHafez
• fix(connection): only buffer for "open" events when calling connection helper while connecting #8319
• fix(connection): pull default database from connection string if specified #8355 #8354 zachazar
• fix(populate+discriminator): handle populating document whose discriminator value is different from discriminator model name #8324
• fix: add mongoose.isValidObjectId() function to test whether Mongoose can cast a value to an objectid #3823
• fix(model): support setting excludeIndexes as schema option for subdocs #8343
• fix: add SchemaMapOptions class for options to map schematype #8318
• docs(query): remove duplicate omitUndefined options #8349 mdumandag
• docs(schema): add Schema#paths docs to public API docs #8340

5.7.11 / 2019-11-14

• fix: update mongodb driver -> 3.3.4 #8276
• fix(model): throw readable error when casting bulkWrite update without a 'filter' or 'update' #8332 #8331 AbdelrahmanHafez
• fix(connection): bubble up connected/disconnected events with unified topology #8338 #8337
• fix(model): delete $versionError after saving #8326 #8048 Fonger
• test(model): add test for issue #8040 #8341 Fonger

5.7.10 / 2019-11-11

• perf(cursor): remove unnecessary setTimeout() in eachAsync(), 4x speedup in basic benchmarks #8310
• docs(README): re-order sections for better readability #8321 dandv
• chore: make npm test not hard-code file paths #8322 stieg

5.7.9 / 2019-11-08

• fix(schema): support setting schema path to an instance of SchemaTypeOptions to fix integration with mongoose-i18n-localize #8297 #8292
• fix(populate): make retainNullValues set array element to null if foreign doc with that id was not found #8293
• fix(document): support getter setting virtual on manually populated doc when calling toJSON() #8295
• fix(model): allow objects with toBSON() to make it to save() #8299

5.7.8 / 2019-11-04

• fix(document): allow manually populating path within document array #8273
• fix(populate): update top-level populated() when updating document array with populated subpaths #8265
• fix(cursor): throw error when using aggregation cursor as async iterator #8280
• fix(schema): retain _id: false in schema after nesting in another schema #8274
• fix(document): make Document class an event emitter to support defining documents without models in node #8272
• docs: document return types for .discriminator() #8287
• docs(connection): add note about exporting schemas, not models, in multi connection paradigm #8275
• docs: clarify that transforms defined in toObject() options are applied to subdocs #8260

5.7.7 / 2019-10-24

• fix(populate): make populate virtual consistently an empty array if local field is only empty arrays #8230
• fix(query): allow findOne(objectid) and find(objectid) #8268

5.7.6 / 2019-10-21

• fix: upgrade mongodb driver -> 3.3.3 to fix issue with failing to connect to a replica set if one member is down #8209
• fix(document): fix TypeError when setting a single nested subdoc with timestamps #8251
• fix(cursor): fix issue with long-running eachAsync() cursor #8249 #8235
• fix(connection): ensure repeated close events from useUnifiedTopology don't disconnect Mongoose from replica set #8224
• fix(document): support calling Document constructor directly in Node.js #8237
• fix(populate): add document array subpaths to parent doc populated() when calling DocumentArray#push() #8247
• fix(options): add missing minlength and maxlength to SchemaStringOptions #8256
• docs: add documentarraypath to API docs, including DocumentArrayPath#discriminator() #8164
• docs(schematypes): add a section about the type property #8227
• docs(api): fix Connection.close return param #8258 gosuhiman
• docs: update link to broken image on home page #8253 krosenk729

5.7.5 / 2019-10-14

• fix(query): delete top-level _bsontype property in queries to prevent silent empty queries #8222
• fix(update): handle subdocument pre('validate') errors in update validation #7187
• fix(subdocument): make subdocument#isModified use parent document's isModified #8223
• docs(index): add favicon to home page #8226
• docs: add schema options to API docs #8012
• docs(middleware): add note about accessing the document being updated in pre('findOneAndUpdate') #8218
• refactor: remove redundant code in ValidationError #8244 AbdelrahmanHafez

5.7.4 / 2019-10-09

• fix(schema): handle required: null and required: undefined as required: false #8219
• fix(update): support updating array embedded discriminator props if discriminator key in $elemMatch #8063
• fix(populate): allow accessing populate virtual prop underneath array when virtual defined on top level #8198
• fix(model): support passing options to Model.remove() #8211
• fix(document): handle Document#set() merge option when setting underneath single nested schema #8201
• fix: use options constructor class for all schematypes #8012

5.7.3 / 2019-09-30

• fix: make CoreMongooseArray#includes() handle fromIndex parameter #8203
• fix(update): cast right hand side of $pull as a query instead of an update for document arrays #8166
• fix(populate): handle virtual populate of an embedded discriminator nested path #8173
• docs(validation): remove deprecated isAsync from validation docs in favor of emphasizing promises #8184
• docs(documents): add overwriting section #8178
• docs(promises): add note about queries being thenable #8110
• perf: avoid update validators going into Mixed types #8192 birdofpreyru
• refactor: remove async as a prod dependency #8073

5.7.2 / 2019-09-23

• fix(mongoose): support mongoose.set('autoIndex', false) #8158
• fix(discriminator): support tiedValue parameter for embedded discriminators analagous to top-level discriminators #8164
• fix(query): handle toConstructor() with entries-style sort syntax #8159
• fix(populate): avoid converting mixed paths into arrays if populating an object path under Mixed #8157
• fix: use $wrapCallback when using promises for mongoose-async-hooks
• fix: handle queries with setter that converts value to Number instance #8150
• docs: add mongoosejs-cli to readme #8142
• docs: fix example typo for Schema.prototype.plugin() #8175 anaethoss

5.7.1 / 2019-09-13

• fix(query): fix TypeError when calling findOneAndUpdate() with runValidators #8151 fernandolguevara
• fix(document): throw strict mode error if setting an immutable path with strict mode: false #8149
• fix(mongoose): support passing options object to Mongoose constructor #8144
• fix(model): make syncIndexes() handle changes in index key order #8135
• fix(error): export StrictModeError as a static property of MongooseError #8148 ouyuran
• docs(connection+mongoose): add useUnifiedTopology option to connect() and openUri() docs #8146

5.7.0 / 2019-09-09

• feat(document+query): support conditionally immutable schema paths #8001
• perf(documentarray): refactor to use ES6 classes instead of mixins, ~30% speedup #7895
• feat: use MongoDB driver 3.3.x for MongoDB 4.2 support #8083 #8078
• feat(schema+query): add pre('validate') and post('validate') hooks for update validation #7984
• fix(timestamps): ensure updatedAt gets incremented consistently using update with and without $set #4768
• feat(query): add Query#get() to make writing custom setters that handle both queries and documents easier #7312
• feat(document): run setters on defaults #8012
• feat(document): add aliases: false option to Document#toObject() #7548
• feat(timestamps): support skipping updatedAt and createdAt for individual save() and update() #3934
• docs: fix index creation link in guide #8138 joebowbeer

5.6.13 / 2019-09-04

• fix(parallel): fix parallelLimit when fns is empty #8130 #8128 sibelius
• fix(document): ensure nested mixed validator gets called exactly once #8117
• fix(populate): handle justOne = undefined #8125 taxilian

5.6.12 / 2019-09-03

• fix(schema): handle required validator correctly with clone() #8111
• fix(schema): copy schematype getters and setters when cloning #8124 StphnDamon
• fix(discriminator): avoid unnecessarily cloning schema to avoid leaking memory on repeated discriminator() calls #2874
• docs(schematypes): clarify when Mongoose uses toString() to convert an object to a string #8112 TheTrueRandom
• docs(plugins): fix out of date link to npm docs #8100
• docs(deprecations): fix typo #8109 jgcmarins
• refactor(model): remove dependency on async.parallelLimit() for insertMany() #8073

5.6.11 / 2019-08-25

• fix(model): allow passing options to exists() #8075
• fix(document): make validateUpdatedOnly option handle pre-existing errors #8091
• fix: throw readable error if middleware callback isnt a function #8087
• fix: don't throw error if calling find() on a nested array #8089
• docs(middleware): clarify that you must add middleware before compiling your model #5087
• docs(query): add missing options to setOptions() #8099

5.6.10 / 2019-08-20

• fix(schema): fix require() path to work around yet another bug in Jest #8053
• fix(document): skip casting when initing a populated path #8062
• fix(document): prevent double-calling validators on mixed objects with nested properties #8067
• fix(query): handle schematype with null options when checking immutability #8070 rich-earth
• fix(schema): support Schema#path() to get schema path underneath doc array #8057
• docs(faq): add disable color instruction #8066

5.6.9 / 2019-08-07

• fix(model): delete versionError after saving to prevent memory leak #8048
• fix(cursor): correctly handle batchSize option with query cursor #8039
• fix(populate): handle virtual populate with count = 0 if virtual embedded in doc array #7573
• fix(schema): allow declaring ObjectId array with { type: 'ObjectID' }, last 'D' case insensitive #8034

5.6.8 / 2019-08-02

• fix(aggregate): allow modifying pipeline in pre('aggregate') hooks #8017
• fix(query): make findOneAndReplace() work with orFail() #8030
• fix(document): allow saving an unchanged document if required populated path is null #8018
• fix(debug): support disabling colors in debug mode #8033 Mangosteen-Yang
• docs: add async-await guide #8028 Rossh87
• docs(plugins): rewrite plugins docs to be more modern and not use strange = exports syntax #8026
• docs(transactions): clarify relationship between session in docs and MongoDB driver ClientSession class, link to driver docs #8009

5.6.7 / 2019-07-26

• fix(document): support validators on nested arrays #7926
• fix(timestamps): handle timestamps: false in child schema #8007
• fix(query): consistently support new option to findOneAndX() as an alternative to returnOriginal #7846
• fix(document): make inspect() never return null, because a document or nested path is never == null #7942
• docs(query+lean): add links to mongoose-lean-virtuals, mongoose-lean-getters, mongoose-lean-defaults #5606
• docs: add example for Schema#pre(Array) #8022 Mangosteen-Yang
• docs(schematype): updated comment from Schema.path to proper s.path #8013 chrisweilacker
• chore: upgrade nyc #8015 kolya182

5.6.6 / 2019-07-22

• fix(populate): handle refPath returning a virtual with Query#populate() #7341
• fix(populate): handle refPath in discriminator when populating top-level model #5109
• fix(mongoose): ensure destucturing and named imports work for Mongoose singleton methods like set(), etc. #6039
• fix(query): add missing options for deleteOne and deleteMany in Query #8004 Fonger
• fix(schema): make embedded discriminators instanceof their parent types #5005
• fix(array): make validators a private property that doesn't show up in for/in #6572
• docs(api): fix array API docs that vanished because of #7798 #7979
• docs(discriminators+api): add single nested discriminator to discriminator docs and API docs #7983
• docs(connection+mongoose): make option lists consistent between mongoose.connect(), mongoose.createConnection(), and conn.openUri() #7976
• docs(validation): clarify resolve(false) vs reject() for promise-based async custom validators #7761
• docs(guide): use correct mongoose.set() instead of mongoose.use() #7998
• docs: add redis cache example #7997 usama-asfar

5.6.5 / 2019-07-17

• fix(document): handle setting non-schema path to ObjectId or Decimal128 if strict: false #7973
• fix(connection): remove backwards-breaking multiple mongoose.connect() call for now #7977
• fix(schema): print invalid value in error message when a schema path is set to undefined or null #7956
• fix(model): throw readable error if calling new Model.discriminator() #7957
• fix(mongoose): export cast() function #7975 perfectstorm88
• docs(model): fix link to Model.inspect() and add example #7990
• docs: fix broken anchor links on validation tutorial #7966
• docs(api): fix broken links to split API pages #7978
• chore: create LICENSE.md #7989 Fonger

5.6.4 / 2019-07-08

• fix(schema): support pre(Array, Function) and post(Array, Function) #7803
• fix(document): load docs with a once property successfully #7958
• fix(queryhelpers): ensure parent select overwrites child path select if parent is nested #7945
• fix(schema): make clone() correctly copy array embedded discriminators #7954
• fix(update): fix error when update property gets casted to null #7949
• fix(connection): bubble up attemptReconnect event for now #7872
• docs(tutorials): add virtuals tutorial #7965
• docs(connection): add section on connection handling #6997

5.6.3 / 2019-07-03

• fix(document): respect projection when running getters #7940
• fix(model): call createCollection() in syncIndexes() to ensure the collection exists #7931
• fix(document): consistently use post-order traversal for gathering subdocs for hooks #7929
• fix(schema): ensure Schema#pathType() returns correct path type given non-existent positional path #7935
• fix(ChangeStream): set closed if emitting close event #7930
• fix(connection): bubble up 'attemptReconnect' event from MongoDB connection #7872
• docs: fix broken .jade links on search page #7932
• docs: correct link to Query#select() #7953 rayhatfield
• docs(README): add list of related projects #7773

4.13.19 / 2019-07-02

• fix(aggregate): make setOptions() work as advertised #7950 #6011 cdimitroulas

5.6.2 / 2019-06-28

• fix(update): allow using update() with immutable createdAt #7917
• fix(model): pass doc parameter to save() error handling middleware #7832
• fix(mongoose): add applyPluginsToChildSchemas option to allow opting out of global plugins for child schemas #7916
• docs(connection): document useCache option for useDb() #7923
• docs: fix broken link in FAQ #7925 christophergeiger3

5.6.1 / 2019-06-24

• fix(update): skip setting defaults for single embedded subdocs underneath maps #7909
• fix(document): copy date objects correctly when strict = false #7907
• feat(mongoose): throw an error if calling mongoose.connect() multiple times while connected #7905 Fonger
• fix(document): copies virtuals from array subdocs when casting array of docs with same schema #7898
• fix(schema): ensure clone() copies single embedded discriminators correctly #7894
• fix(discriminator): merge instead of overwriting conflicting nested schemas in discriminator schema #7884
• fix(populate): ignore nullish arguments when calling populate() #7913 rayhatfield
• docs: add getters/setters tutorial #7919
• docs: clean up error docs so they refer to Error rather than MongooseError #7867
• docs: fix a couple broken links #7921 kizmo04
• refactor: remove unnecessary if #7911 rayhatfield

5.6.0 / 2019-06-14

• feat(schematype): add immutable option to disallow changing a given field #7671
• docs: split API docs into separate pages to make API documentation more Google-able #7812
• perf(array): remove all mixins in favor of ES6 classes, ~20% faster in basic benchmarks #7798
• feat(document): use promise rejection error message when async custom validator throws an error #4913
• feat(virtual): pass document as 3rd parameter to virtual getters and setters to enable using arrow functions #4143
• feat(model): add Model.exists() function to quickly check whether a document matching filter exists #6872
• feat(index+connection): support setting global and connection-level maxTimeMS
• feat(populate): support setting ref to a function for conventional populate #7669
• feat(document): add overwrite() function that overwrites all values in a document #7830
• feat(populate): support PopulateOptions#connection option to allow cross-db populate with refPath #6520
• feat(populate): add skipInvalidIds option to silently skip population if id is invalid, instead of throwing #7706
• feat(array): skip empty array default if there's a 2dsphere index on a geojson path #3233
• feat(query): add getFilter() as an alias of getQuery() to be more in line with API docs #7839
• feat(model): add Model.inspect() to make models not clutter util.inspect() #7836
• perf(discriminator): skip calling createIndex() on indexes that are defined in the base schema #7379
• docs: upgrade from Jade to latest Pug #7812
• docs(README): update reference to example schema.js #7899 sharils
• docs(README): improve variable name #7900 sharils
• chore: replace charAt(0) with startsWith #7897 Fonger
• chore: replace indexOf with includes, startsWith and endsWith for String #7897 Fonger

5.5.15 / 2019-06-12

• fix(connection): reject initial connect promise even if there is an on('error') listener #7850
• fix(map): make of automatically convert POJOs to schemas unless typeKey is set #7859
• fix(update): use discriminator schema to cast update if discriminator key specified in filter #7843
• fix(array): copy atomics from source array #7891 #7889 jyrkive
• fix(schema): return this when Schema.prototype.add is called with Schema #7887 Mickael-van-der-Beek
• fix(document): add numAffected and result to DocumentNotFoundError for better debugging #7892 #7844

5.5.14 / 2019-06-08

• fix(query): correct this scope of setters in update query #7876 Fonger
• fix(model): reset modifiedPaths after successful insertMany #7852 #7873 Fonger
• fix(populate): allow using refPath with virtual populate #7848
• fix(document): prepend private methods getValue and setValue with $ #7870 Fonger
• fix: update mongodb driver -> 3.2.7 #7871 Fonger
• docs(tutorials): add tutorial about custom casting functions #7045
• docs(connection): fix outdated events document #7874 Fonger
• docs: fix typo in lean docs #7875 tannakartikey
• docs: move off of KeenIO for tracking and use self-hosted analytics instead

5.5.13 / 2019-06-05

• fix(model): support passing deleteOne options #7860 #7857 Fonger
• fix(update): run setters on array elements when doing $addToSet, $push, etc #4185
• fix(model): support getting discriminator by value when creating a new model #7851
• docs(transactions): add section about the withTransaction() helper #7598
• docs(schema): clarify relationship between Schema#static() and Schema#statics #7827
• docs(model): fix typo projetion to projection #7868 dfdeagle47
• docs(schema): correct schema options lists #7828

5.5.12 / 2019-05-31

• fix(document): fix unexpected error when loading a document with a nested property named schema #7831
• fix(model): skip applying static hooks by default if static name conflicts with query middleware (re: mongoose-delete plugin) #7790
• fix(query): apply schema-level projections to the result of findOneAndReplace() #7654
• fix: upgrade mongodb driver -> 3.2.6
• docs(tutorials): add findOneAndUpdate() tutorial #7847
• docs(validation): add updateOne() and updateMany() to list of update validator operations #7845
• docs(model): make sure options lists in update() API line up #7842

5.5.11 / 2019-05-23

• fix(discriminator): allow numeric discriminator keys for embedded discriminators #7808
• chore: add Node.js 12 to travis build matrix #7784

5.5.10 / 2019-05-20

• fix(discriminator): allow user-defined discriminator path in schema #7807
• fix(query): ensure findOneAndReplace() sends replacement to server #7654
• fix(cast): allow [] as a value when casting $nin #7806
• docs(model): clarify that setters do run on update() by default #7801
• docs: fix typo in FAQ #7821 jaona

5.5.9 / 2019-05-16

• fix(query): skip schema setters when casting $regexp $options #7802 Fonger
• fix(populate): don't skip populating doc array properties whose name conflicts with an array method #7782
• fix(populate): make populated virtual return undefined if not populated #7795
• fix(schema): handle custom setters in arrays of document arrays #7804 Fonger
• docs(tutorials): add query casting tutorial #7789

5.5.8 / 2019-05-13

• fix(document): run pre save hooks on nested child schemas #7792
• fix(model): set $session() before validation middleware for bulkWrite/insertMany #7785 #7769 Fonger
• fix(query): make getPopulatedPaths() return deeply populated paths #7757
• fix(query): suppress findAndModify deprecation warning when using Model.findOneAndUpdate() #7794
• fix: upgrade mongodb -> 3.2.4 #7794
• fix(document): handle a couple edge cases with atomics that happen when schema defines an array property named 'undefined' #7756
• docs(discriminator): correct function parameters #7786 gfpacheco

5.5.7 / 2019-05-09

• fix(model): set $session() before pre save middleware runs when calling save() with options #7742
• fix(model): set $session before pre remove hooks run when calling remove() with options #7742
• fix(schema): support remove() on nested path #2398
• fix(map): handle setting populated map element to doc #7745
• fix(query): return rawResult when inserting with options {new:false,upsert:true,rawResult:true} #7774 #7770 LiaanM
• fix(schematype): remove internal validators option because it conflicts with Backbone #7720

5.5.6 / 2019-05-06

• fix(document): stop converting arrays to objects when setting non-schema path to array with strict: false #7733
• fix(array): make two Mongoose arrays assert.deepEqual() each other if they have the same values #7700
• fix(populate): support populating a path in a document array embedded in an array #7647
• fix(populate): set populate virtual count to 0 if local field is empty #7731
• fix(update): avoid throwing cast error if casting array filter that isn't in schema with strictQuery = false #7728
• docs: fix typo in distinct() description #7767 phil-r

5.5.5 / 2019-04-30

• fix(document): ensure nested properties within single nested subdocs get set correctly when overwriting single nested subdoc #7748
• fix(document): skip non-object validators in schema types #7720
• fix: bump mongodb driver -> 3.2.3 #7752
• fix(map): disallow setting map key with special properties #7750 Fonger

5.5.4 / 2019-04-25

• fix(document): avoid calling custom getters when saving #7719
• fix(timestamps): handle child schema timestamps correctly when reusing child schemas #7712
• fix(query): pass correct callback for _legacyFindAndModify #7736 Fonger
• fix(model+query): allow setting replacement parameter for findOneAndReplace() #7654
• fix(map): make delete() unset the key in the database #7746 Fonger
• fix(array): use symbol for _schema property to avoid confusing deep equality checks #7700
• fix(document): prevent depopulate() from removing fields with empty array #7741 #7740 Fonger
• fix: make MongooseArray#includes support ObjectIds #7732 #6354 hansemannn
• fix(document): report correct validation error index when pushing onto doc array #7744 Fonger

5.5.3 / 2019-04-22

• fix: add findAndModify deprecation warning that references the useFindAndModify option #7644
• fix(document): handle pushing a doc onto a discriminator that contains a doc array #7704
• fix(update): run setters on array elements when doing $set #7679
• fix: correct usage of arguments while buffering commands #7718 rzymek
• fix(document): avoid error clearing modified subpaths if doc not defined #7715 bitflower
• refactor(array): move _parent property behind a symbol #7726 #7700
• docs(model): list out all operations and options for bulkWrite() #7055
• docs(aggregate): use eachAsync() instead of nonexistent each() #7699
• docs(validation): add CastError validation example #7514
• docs(query+model): list out all options and callback details for Model.updateX() and Query#updateX() #7646

5.5.2 / 2019-04-16

• fix(document): support setting nested path to non-POJO object #7639
• perf(connection): remove leaked event handler in Model.init() so deleteModel() frees all memory #7682
• fix(timestamps): handle custom statics that conflict with built-in functions (like mongoose-delete plugin) #7698
• fix(populate): make Document#populated() work for populated subdocs #7685
• fix(document): support .set() on document array underneath embedded discriminator path #7656

5.5.1 / 2019-04-11

• fix(document): correctly overwrite all properties when setting a single nested subdoc #7660 #7681
• fix(array): allow customization of array required validator #7696 freewil
• fix(discriminator): handle embedded discriminators when casting array defaults #7687
• fix(collection): ensure collection functions return a promise even if disconnected #7676
• fix(schematype): avoid indexing properties with { unique: false, index: false } #7620
• fix(aggregate): make Aggregate#model() with no arguments return the aggregation's model #7608

5.5.0 / 2019-04-08

• feat(model): support applying hooks to custom static functions #5982
• feat(populate): support specifying a function as match #7397
• perf(buffer): avoid calling defineProperties() in Buffer constructor #7331
• feat(connection): add plugin() for connection-scoped plugins #7378
• feat(model): add Model#deleteOne() and corresponding hooks #7538
• feat(query): support hooks for Query#distinct() #5938
• feat(model): print warning when calling create() incorrectly with a session #7535
• feat(document): add Document#isEmpty() and corresponding helpers for nested paths #5369
• feat(document): add getters option to Document#get() #7233
• feat(query): add Query#projection() to get or overwrite the current projection #7384
• fix(document): set full validator path on validatorProperties if propsParameter set on validator #7447
• feat(document): add Document#directModifiedPaths() #7373
• feat(document): add $locals property #7691
• feat(document): add validateUpdatedOnly option that only validates modified paths in save() #7492 captaincaius
• chore: upgrade MongoDB driver to v3.2.0 #7641
• fix(schematype): deprecate isAsync option for custom validators #6700
• chore(mongoose): deprecate global.MONGOOSE_DRIVER_PATH so we can be webpack-warning-free in 6.0 #7501

5.4.23 / 2019-04-08

• fix(document): report cast error when string path in schema is an array in MongoDB #7619
• fix(query): set deletedCount on result of remove() #7629
• docs(subdocs): add note about parent() and ownerDocument() to subdocument docs #7576

5.4.22 / 2019-04-04

• fix(aggregate): allow modifying options in pre('aggregate') hook #7606
• fix(map): correctly init maps of maps when loading from MongoDB #7630
• docs(model+query): add omitUndefined option to docs for updateX() and findOneAndX() #3486
• docs: removed duplicate Query.prototype.merge() reference from doc #7684 shihabmridha
• docs(schema): fix shardKey type to object instead of bool #7668 kyletsang
• docs(api): fix Model.prototypedelete link #7665 pixcai

5.4.21 / 2019-04-02

• fix(updateValidators): run update validators correctly on Decimal128 paths #7561
• fix(update): cast array filters in nested doc arrays correctly #7603
• fix(document): allow .get() + .set() with aliased paths #7592
• fix(document): ensure custom getters on single nested subdocs don't get persisted if toObject.getters = true #7601
• fix(document): support setting subdoc path to subdoc copied using object rest {...doc} #7645
• docs(schema): correct out-of-date list of reserved words #7593
• docs(model+query): add link to update results docs and examples of using results of updateOne(), etc. #7582
• docs: use atomic as opposed to $atomic consistently #7649 720degreeLotus

5.4.20 / 2019-03-25

• docs(tutorials): add tutorial about lean() #7640
• fix(discriminator): fix wrong modelName being used as value to partialFilterExpression index #7635 #7634 egorovli
• fix(document): allow setters to modify this when overwriting single nested subdoc #7585
• fix(populate): handle count option correctly with multiple docs #7573
• fix(date): support declaring min/max validators as functions #7600 ChienDevIT
• fix(discriminator): avoid projecting in embedded discriminator if only auto-selected path is discriminator key #7574
• fix(discriminator): use discriminator model when using new BaseModel() with discriminator key #7586
• fix(timestamps): avoid throwing if doc array has timestamps and array is undefined #7625 serg33v
• docs(document): explain DocumentNotFoundError in save() docs #7580
• docs(query): fix .all() param type and add example #7612 720degreeLotus
• docs: add useNewUrlParser to mongoose.connect for some pages #7615 YC

5.4.19 / 2019-03-11

• fix(mongoose): ensure virtuals set on subdocs in global plugins get applied #7572
• docs(tutorials): add "Working With Dates" tutorial #7597
• docs(guide): clarify that versioning only affects array fields #7555
• docs(model): list out all bulkWrite() options #7550

5.4.18 / 2019-03-08

• fix(document): handle nested virtuals in populated docs when parent path is projected out #7491
• fix(model): make subclassed models handle discriminators correctly #7547
• fix(model): remove $versionError from save options for better debug output #7570

5.4.17 / 2019-03-03

• fix(update): handle all positional operator when casting array filters #7540
• fix(populate): handle populating nested path where top-level path is a primitive in the db #7545
• fix(update): run update validators on array filters #7536
• fix(document): clean modified subpaths when sorting an array #7556
• fix(model): cast $setOnInsert correctly with nested docs #7534
• docs: remove extra curly brace from example #7569 kolya182

5.4.16 / 2019-02-26

• fix(schema): handle nested objects with _id: false #7524
• fix(schema): don't throw error if declaring a virtual that starts with a map path name #7464
• fix(browser): add stubbed model() function so code that uses model doesn't throw #7541 caub
• fix(schema): merge virtuals correctly #7563 yoursdearboy
• docs(connections): add reconnectFailed to connection docs #7477
• docs(index): fix typo #7553 DenrizSusam
• refactor(schema): iterate over paths instead of depending on childSchemas #7554

5.4.15 / 2019-02-22

• fix(update): don't call schematype validators on array if using $pull with runValidators #6971
• fix(schema): clone all schema types when cloning an array #7537
• docs(connections): improve connectTimeoutMS docs and socketTimeoutMS docs to link to Node.js net.setTimeout() #5169
• docs: fix setters example in migration guide #7546 freewil

5.4.14 / 2019-02-19

• fix(populate): make getters option handle nested paths #7521
• fix(documentarray): report validation errors that occur in an array subdoc created using create() and then set() #7504
• docs(schema): add examples for schema functions that didn't have any #7525
• docs: add MongooseError to API docs and add list of error names
• docs(CONTRIBUTING): fix link #7530 sarpik

5.4.13 / 2019-02-15

• fix(query): throw handy error when using updateOne() with overwrite: true and no dollar keys #7475
• fix(schema): support inheriting existing schema types using Node.js util.inherits like mongoose-float #7486
• docs(connections): add list of connection events #7477

5.4.12 / 2019-02-13

• fix(connection): dont emit reconnected due to socketTimeoutMS #7452
• fix(schema): revert check for false schema paths #7516 #7512
• fix(model): don't delete unaliased keys in translateAliases #7510 chrischen
• fix(document): run single nested schematype validator if nested path has a default and subpath is modified #7493
• fix(query): copy mongoose options when using Query#merge() #1790
• fix(timestamps): don't call createdAt getters when setting updatedAt on new doc #7496
• docs: improve description of ValidationError #7515 JulioJu
• docs: add an asterisk before comment, otherwise the comment line is not generated #7513 JulioJu

5.4.11 / 2019-02-09

• fix(schema): handle _id: false in schema paths as a shortcut for setting the _id option to false #7480
• fix(update): handle $addToSet and $push with ObjectIds and castNonArrays=false #7479
• docs(model): document session option to save() #7484
• chore: fix gitignore syntax #7498 JulioJu
• docs: document that Document#validateSync returns ValidationError #7499
• refactor: use consolidated isPOJO() function instead of constructor checks #7500

5.4.10 / 2019-02-05

• docs: add search bar and /search page #6706
• fix: support dotted aliases #7478 chrischen
• fix(document): copy atomics when setting document array to an existing document array #7472
• chore: upgrade to mongodb driver 3.1.13 #7488
• docs: remove confusing references to executing a query "immediately" #7461
• docs(guides+schematypes): link to custom schematypes docs #7407

5.4.9 / 2019-02-01

• fix(document): make remove(), updateOne(), and update() use the document's associated session #7455
• fix(document): support passing args to hooked custom methods #7456
• fix(document): avoid double calling single nested getters on toObject() #7442
• fix(discriminator): handle global plugins modifying top-level discriminator options with applyPluginsToDiscriminators: true #7458
• docs(documents): improve explanation of documents and use more modern syntax #7463
• docs(middleware+api): fix a couple typos in examples #7474 arniu

5.4.8 / 2019-01-30

• fix(query): fix unhandled error when casting object in array filters #7431
• fix(query): cast query $elemMatch to discriminator schema if discriminator key set #7449
• docs: add table of contents to all guides #7430

5.4.7 / 2019-01-26

• fix(populate): set populated() when using virtual populate #7440
• fix(discriminator): defer applying plugins to embedded discriminators until model compilation so global plugins work #7435
• fix(schema): report correct pathtype underneath map so setting dotted paths underneath maps works #7448
• fix: get debug from options using the get helper #7451 #7446 LucGranato
• fix: use correct variable name #7443 esben-semmle
• docs: fix broken QueryCursor link #7438 shihabmridha

5.4.6 / 2019-01-22

• fix(utils): make minimize leave empty objects in arrays instead of setting the array element to undefined #7322
• fix(document): support passing {document, query} options to Schema#pre(regex) and Schema#post(regex) #7423
• docs: add migrating to 5 guide to docs #7434
• docs(deprecations): add instructions for fixing count() deprecation #7419
• docs(middleware): add description and example for aggregate hooks #7402

4.13.18 / 2019-01-21

• fix(model): handle setting populated path set via Document#populate() #7302
• fix(cast): backport fix from #7290 to 4.x

5.4.5 / 2019-01-18

• fix(populate): handle nested array foreignField with virtual populate #7374
• fix(query): support not passing any arguments to orFail() #7409
• docs(query): document what the resolved value for deleteOne(), deleteMany(), and remove() contains #7324
• fix(array): allow opting out of converting non-arrays into arrays with castNonArrays option #7371
• fix(query): ensure updateOne() doesnt unintentionally double call Schema#post(regexp) #7418

5.4.4 / 2019-01-14

• fix(query): run casting on arrayFilters option #7079
• fix(document): support skipping timestamps on save() with save({ timestamps: false }) #7357
• fix(model): apply custom where on Document#remove() so we attach the shardKey #7393
• docs(mongoose): document mongoose.connections #7338

5.4.3 / 2019-01-09

• fix(populate): handle count option when using Document#populate() on a virtual #7380
• fix(connection): set connection state to DISCONNECTED if replica set has no primary #7330
• fix(mongoose): apply global plugins to schemas nested underneath embedded discriminators #7370
• fix(document): make modifiedPaths() return nested paths 1 level down on initial set #7313
• fix(plugins): ensure sharding plugin works even if ObjectId has a valueOf() #7353

5.4.2 / 2019-01-03

• fix(document): ensure Document#updateOne() returns a query but still calls hooks #7366
• fix(query): allow explicitly projecting out populated paths that are automatically projected in #7383
• fix(document): support setting flattenMaps option for toObject() and toJSON() at schema level #7274
• fix(query): handle merging objectids with .where() #7360
• fix(schema): copy .base when cloning #7377
• docs: remove links to plugins.mongoosejs.com in favor of plugins.mongoosejs.io #7364

5.4.1 / 2018-12-26

• fix(document): ensure doc array defaults get casted #7337
• fix(document): make save() not crash if nested doc has a property 'get' #7316
• fix(schema): allow using Schema.Types.Map as well as Map to declare a map type #7305
• fix(map): make set after init mark correct path as modified #7321
• fix(mongoose): don't recompile model if same collection and schema passed in to mongoose.model() #5767
• fix(schema): improve error message when type is invalid #7303
• fix(schema): add populated to reserved property names #7317
• fix(model): don't run built-in middleware on custom methods and ensure timestamp hooks don't run if children don't have timestamps set #7342
• docs(schematypes): clarify that you can add arbitrary options to a SchemaType #7340
• docs(mongoose): clarify that passing same name+schema to mongoose.model() returns the model #5767
• docs(index): add useNewUrlParser to example #7368 JIBIN-P
• docs(connection): add useNewUrlParser to examples #7362 JIBIN-P
• docs(discriminators): add back missing example from 'recursive embedded discriminators section' #7349
• docs(schema): improve docs for string and boolean cast() #7351

5.4.0 / 2018-12-14

• feat(schematype): add SchemaType.get(), custom getters across all instances of a schematype #6912
• feat(schematype): add SchemaType.cast(), configure casting for individual schematypes #7045
• feat(schematype): add SchemaType.checkRequired(), configure what values pass required check for a schematype #7186 #7150
• feat(model): add Model.findOneAndReplace() #7162
• feat(model): add Model.events emitter that emits all error's that occur with a given model #7125
• feat(populate): add count option to populate virtuals, support returning # of populated docs instead of docs themselves #4469
• feat(aggregate): add .catch() helper to make aggregations full thenables #7267
• feat(query): add hooks for deleteOne() and deleteMany() #7195
• feat(document): add hooks for updateOne() #7133
• feat(query): add Query#map() for synchronously transforming results before post middleware runs #7142
• feat(schema): support passing an array of objects or schemas to Schema constructor #7218
• feat(populate): add clone option to ensure multiple docs don't share the same populated doc #3258
• feat(query): add Query#maxTimeMS() helper #7254
• fix(query): deprecate broken Aggregate#addCursorFlag() #7120
• docs(populate): fix incorrect example #7335 zcfan
• docs(middleware): add findOneAndDelete to middleware list #7327 danielkesselberg

5.3.16 / 2018-12-11

• fix(document): handle __proto__ in queries #7290
• fix(document): use Array.isArray() instead of checking constructor name for arrays #7290
• docs(populate): add section about what happens when no document matches #7279
• fix(mongoose): avoid crash on import mongoose, {Schema} from 'mongoose' #5648

5.3.15 / 2018-12-05

• fix(query): handle orFail() with findOneAndUpdate() and findOneAndDelete() #7297 #7280
• fix(document): make save() succeed if strict: false with a collection property #7276
• fix(document): add flattenMaps option for toObject() #7274
• docs(document): document flattenMaps option #7274
• fix(populate): support populating individual subdoc path in document array #7273
• fix(populate): ensure model option overrides refPath #7273
• fix(map): don't call subdoc setters on init #7272
• fix(document): use internal get() helper instead of lodash.get to support null projection param #7271
• fix(document): continue running validateSync() for all elements in doc array after first error #6746

5.3.14 / 2018-11-27

• docs(api): use openUri() instead of legacy open() #7277 artemjackson
• fix(document): don't mark date underneath single nested as modified if setting to string #7264
• fix(update): set timestamps on subdocs if not using $set with no overwrite #7261
• fix(document): use symbol instead of __parent so user code doesn't conflict #7230
• fix(mongoose): allow using mongoose.model() without context, like import {model} from 'mongoose' #3768

5.3.13 / 2018-11-20

• fix: bump mongodb driver -> 3.1.10 #7266
• fix(populate): support setting a model as a ref #7253
• docs(schematype): add ref() function to document what is a valid ref path in a schematype #7253
• fix(array): clean modified subpaths when calling splice() #7249
• docs(compatibility): don't show Mongoose 4.11 as compatible with MongoDB 3.6 re: MongoDB's official compatibility table #7248 a-harrison
• fix(document): report correct validation error if doc array set to primitive #7242
• fix(mongoose): print warning when including server-side lib with jest jsdom environment #7240

5.3.12 / 2018-11-13

• docs(compatibility): don't show Mongoose 4.11 as compatible with MongoDB 3.6 re: MongoDB's official compatibility table #7238 a-harrison
• fix(populate): use instanceof rather than class name for comparison #7237 ivanseidel
• docs(api): make options show up as a nested list #7232
• fix(document): don't mark array as modified on init if doc array has default #7227
• docs(api): link to bulk write result object in bulkWrite() docs #7225

5.3.11 / 2018-11-09

• fix(model): make parent pointers non-enumerable so they don't crash JSON.stringify() #7220
• fix(document): allow saving docs with nested props with '.' using checkKeys: false #7144
• docs(lambda): use async/await with lambda example #7019

5.3.10 / 2018-11-06

• fix(discriminator): support reusing a schema for multiple discriminators #7200
• fix(cursor): handle lean(false) correctly with query cursors #7197
• fix(document): avoid manual populate if ref not set #7193
• fix(schema): handle schema without .base for browser build #7170
• docs: add further reading section

5.3.9 / 2018-11-02

• fix: upgrade bson dep -> 1.1.0 to match mongodb-core #7213 NewEraCracker
• docs(api): fix broken anchor link #7210 gfranco93
• fix: don't set parent timestamps because a child has timestamps set to false #7203 #7202 lineus
• fix(document): run setter only once when doing .set() underneath a single nested subdoc #7196
• fix(document): surface errors in subdoc pre validate #7187
• fix(query): run default functions after hydrating the loaded document #7182
• fix(query): handle strictQuery: 'throw' with nested path correctly #7178
• fix(update): update timestamps on replaceOne() #7152
• docs(transactions): add example of aborting a transaction #7113

5.3.8 / 2018-10-30

• fix: bump mongodb driver -> 3.1.8 to fix connecting to +srv uri with no credentials #7191 #6881 lineus
• fix(document): sets defaults correctly in child docs with projection #7159
• fix(mongoose): handle setting custom type on a separate mongoose global #7158
• fix: add unnecessary files to npmignore #7157
• fix(model): set session when creating new subdoc #7104

5.3.7 / 2018-10-26

• fix(browser): fix buffer usage in browser build #7184 #7173 lineus
• fix(document): make depopulate() work on populate virtuals and unpopulated docs #7180 #6075 lineus
• fix(document): only pass properties as 2nd arg to custom validator if propsParameter set #7145
• docs(schematypes): add note about nested paths with type getting converted to mixed #7143
• fix(update): run update validators on nested doc when $set on an array #7135
• fix(update): copy exact errors from array subdoc validation into top-level update validator error #7135

5.3.6 / 2018-10-23

• fix(cursor): fix undefined transforms error

5.3.5 / 2018-10-22

• fix(model): make sure versionKey on replaceOne() always gets set at top level to prevent cast errors #7138
• fix(cursor): handle non-boolean lean option in eachAsync() #7137
• fix(update): correct cast update that overwrites a map #7111
• fix(schema): handle arrays of mixed correctly #7109
• fix(query): use correct path when getting schema for child timestamp update #7106
• fix(document): make $session() propagate sessions to child docs #7104
• fix(document): handle user setting schema.options.strict = 'throw' #7103
• fix(types): use core Node.js buffer prototype instead of safe-buffer because safe-buffer is broken for Node.js 4.x #7102
• fix(document): handle setting single doc with refPath to document #7070
• fix(model): handle array filters when updating timestamps for subdocs #7032

5.3.4 / 2018-10-15

• fix(schema): make add() and remove() return the schema instance #7131 lineus
• fix(query): don't require passing model to cast() #7118
• fix: support useFindAndModify as a connection-level option #7110 lineus
• fix(populate): handle plus path projection with virtual populate #7050
• fix(schema): allow using ObjectId type as schema path type #7049
• docs(schematypes): elaborate on how schematypes relate to types #7049
• docs(deprecations): add note about gridstore deprecation #6922
• docs(guide): add storeSubdocValidationError option to guide #6802

5.3.3 / 2018-10-12

• fix(document): enable storing mongoose validation error in MongoDB by removing $isValidatorError property #7127
• docs(api): clarify that aggregate triggers aggregate middleware #7126 lineus
• fix(connection): handle Model.init() when an index exists on schema + autoCreate == true #7122 jesstelford
• docs(middleware): explain how to switch between document and query hooks for remove() #7093
• docs(api): clean up encoding issues in SchemaType.prototype.validate docs #7091
• docs(schema): add schema types to api docs and update links on schematypes page #7080 #7076 lineus
• docs(model): expand model constructor docs with examples and fields param #7077
• docs(aggregate): remove incorrect description of noCursorTimeout and add description of aggregate options #7056
• docs: re-add array type to API docs #7027
• docs(connections): add note about members.host errors due to bad host names in replica set #7006

5.3.2 / 2018-10-07

• fix(query): make sure to return correct result from orFail() #7101 #7099 gsandorx
• fix(schema): handle { timestamps: false } correctly #7088 #7074 lineus
• docs: fix markdown in options.useCreateIndex documentation #7085 Cyral
• docs(schema): correct field name in timestamps example #7082 kizmo04
• docs(migrating_to_5): correct markdown syntax #7078 gwuah
• fix(connection): add useFindAndModify option in connect #7059 NormanPerrin
• fix(document): dont mark single nested path as modified if setting to the same value #7048
• fix(populate): use WeakMap to track lean populate models rather than leanPopulateSymbol #7026
• fix(mongoose): avoid unhandled rejection when mongoose.connect() errors with a callback #6997
• fix(mongoose): isolate Schema.Types between custom Mongoose instances #6933

5.3.1 / 2018-10-02

• fix(ChangeStream): expose driver's close() function #7068 #7022 lineus
• fix(model): avoid printing warning if _id index is set to "hashed" #7053
• fix(populate): handle nested populate underneath lean array correctly #7052
• fix(update): make timestamps not crash on a null or undefined update #7041
• docs(schematypes+validation): clean up links from validation docs to schematypes docs #7040
• fix(model): apply timestamps to nested docs in bulkWrite() #7032
• docs(populate): rewrite refPath docs to be simpler and more direct #7013
• docs(faq): explain why destructuring imports are not supported in FAQ #7009

5.3.0 / 2018-09-28

• feat(mongoose): support mongoose.set('debug', WritableStream) so you can pipe debug to stderr, file, or network #7018
• feat(query): add useNestedStrict option #6973 #5144 lineus
• feat(query): add getPopulatedPaths helper to Query.prototype #6970 #6677 lineus
• feat(model): add createCollection() helper to make transactions easier #6948 #6711 Fonger
• feat(schema): add ability to do schema.add(otherSchema) to merge hooks, virtuals, etc. #6897
• feat(query): add orFail() helper that throws an error if no documents match filter #6841
• feat(mongoose): support global toObject and toJSON #6815
• feat(connection): add deleteModel() to remove a model from a connection #6813
• feat(mongoose): add top-level mongoose.ObjectId, mongoose.Decimal128 for easier schema declarations #6760
• feat(aggregate+query): support for/await/of (async iterators) #6737
• feat(mongoose): add global now() function that you can stub for testing timestamps #6728
• feat(schema): support schema.pre(RegExp, fn) and schema.post(RegExp, fn) #6680
• docs(query): add better docs for the mongooseOptions() function #6677
• feat(mongoose): add support for global strict object #6858
• feat(schema+mongoose): add autoCreate option to automatically create collections #6489
• feat(update): update timestamps on nested subdocs when using $set #4412
• feat(query+schema): add query remove hook and ability to switch between query remove and document remove middleware #3054

5.2.18 / 2018-09-27

• docs(migrating_to_5): add note about overwriting filter properties #7030
• fix(query): correctly handle select('+c') if c is not in schema #7017
• fix(document): check path exists before checking for required #6974
• fix(document): retain user-defined key order on initial set with nested docs #6944
• fix(populate): handle multiple localFields + foreignFields using localField: function() {} syntax #5704

5.2.17 / 2018-09-21

• docs(guide): clarify that Mongoose only increments versionKey on save() and add a workaround for findOneAndUpdate() #7038
• fix(model): correctly handle createIndex option to ensureIndexes() #7036 #6922 lineus
• docs(migrating_to_5): add a note about changing debug output from stderr to stdout #7034 #7018 lineus
• fix(query): add setUpdate() to allow overwriting update without changing op #7024 #7012 lineus
• fix(update): find top-level version key even if there are $ operators in the update #7003
• docs(model+query): explain which operators count() supports that countDocuments() doesn't #6911

5.2.16 / 2018-09-19

• fix(index): use dynamic require only when needed for better webpack support #7014 #7010 jaydp17
• fix(map): handle arrays of mixed maps #6995
• fix(populate): leave justOne as null if populating underneath a Mixed type #6985
• fix(populate): add justOne option to allow overriding any bugs with justOne #6985
• fix(query): add option to skip adding timestamps to an update #6980
• docs(model+schematype): improve docs about background indexes and init() #6966
• fix: bump mongodb -> 3.1.6 to allow connecting to srv url without credentials #6955 #6881 lineus
• fix(connection): allow specifying useCreateIndex at the connection level, overrides global-level #6922
• fix(schema): throw a helpful error if setting ref to an invalid value #6915

5.2.15 / 2018-09-15

• fix(populate): handle virtual justOne correctly if it isn't set #6988
• fix(populate): consistently use lowercase model instead of Model so double-populating works with existing docs #6978
• fix(model): allow calling Model.init() again after calling dropDatabase() #6967
• fix(populate): find correct justOne when double-populating underneath an array #6798
• docs(webpack): make webpack docs use es2015 preset for correct libs and use acorn to test output is valid ES5 #6740
• fix(populate): add selectPopulatedPaths option to opt out of auto-adding populate()-ed fields to select() #6546
• fix(model): set timestamps on bulkWrite insertOne and replaceOne #5708

5.2.14 / 2018-09-09

• docs: fix wording on promise docs to not imply queries only return promises #6983 #6982 lineus
• fix(map): throw TypeError if keys are not string #6956
• fix(document): ensure you can validate() a child doc #6931
• fix(populate): avoid cast error if refPath points to localFields with 2 different types #6870
• fix(populate): handle populating already-populated paths #6839
• fix(schematype): make ObjectIds handle refPaths when checking required #6714
• fix(model): set timestamps on bulkWrite() updates #5708

5.2.13 / 2018-09-04

• fix(map): throw TypeError if keys are not string #6968 Fonger
• fix(update): make array op casting work with strict:false and {} #6962 #6952 lineus
• fix(document): add doc.deleteOne(), doc.updateOne(), doc.replaceOne() re: deprecation warnings #6959 #6940 lineus
• docs(faq+schematypes): add note about map keys needing to be strings #6957 #6956 lineus
• fix(schematype): remove unused if statement #6950 #6949 cacothi
• docs: add /docs/deprecations.html for dealing with MongoDB driver deprecation warnings #6922
• fix(populate): handle refPath where first element in array has no refPath #6913
• fix(mongoose): allow setting useCreateIndex option after creating a model but before initial connection succeeds #6890
• fix(updateValidators): ensure $pull validators always get an array #6889

5.2.12 / 2018-08-30

• fix(document): disallow setting constructor and prototype if strict mode false

4.13.17 / 2018-08-30

• fix(document): disallow setting constructor and prototype if strict mode false

5.2.11 / 2018-08-30

• fix(document): disallow setting proto if strict mode false
• fix(document): run document middleware on docs embedded in maps #6945 #6938 Fonger
• fix(query): make castForQuery return a CastError #6943 #6927 lineus
• fix(query): use correct this scope when casting query with legacy 2dsphere pairs defined in schema #6939 #6937 Fonger
• fix(document): avoid crash when calling get() on deeply nested subdocs #6929 #6925 jakemccloskey
• fix(plugins): make saveSubdocs execute child post save hooks after the actual save #6926
• docs: add dbName to api docs for .connect() #6923 p722
• fix(populate): convert to array when schema specifies array, even if doc doesn't have an array #6908
• fix(populate): handle justOne virtual populate underneath array #6867
• fix(model): dont set versionKey on upsert if it is already $set #5973

4.13.16 / 2018-08-30

• fix(document): disallow setting proto if strict mode false
• feat(error): backport adding modified paths to VersionError #6928 freewil

5.2.10 / 2018-08-27

• fix: bump mongodb driver -> 3.1.4 #6920 #6903 #6884 #6799 #6741 Fonger
• fix(model): track session option for save() as the document's $session() #6909
• fix(query): add Query.getOptions() helper #6907 Fonger
• fix(document): ensure array atomics get cleared after save() #6900
• fix(aggregate): add missing redact and readConcern helpers #6895 Fonger
• fix: add global option mongoose.set('useCreateIndex', true) to avoid ensureIndex deprecation warning #6890
• fix(query): use projection option to avoid deprecation warnings #6888 #6880 Fonger
• fix(query): use findOneAndReplace() internally if using overwrite: true with findOneAndUpdate() #6888 Fonger
• fix(document): ensure required cache gets cleared correctly between subsequent saves #6892
• fix(aggregate): support session chaining correctly #6886 #6885 Fonger
• fix(query): use projection instead of fields internally for find() and findOne() to avoid deprecation warning #6880
• fix(populate): add getters option to opt in to calling getters on populate #6844

5.2.9 / 2018-08-17

• fix(document): correctly propagate write concern options in save() #6877 Fonger
• fix: upgrade mongodb driver -> 3.1.3 for numerous fixes #6869 #6843 #6692 #6670 simllll
• fix: correct this scope of default functions for DocumentArray and Array #6868 #6840 Fonger
• fix(types): support casting JSON form of buffers #6866 #6863 Fonger
• fix(query): get global runValidators option correctly #6865 #6578
• fix(query): add Query.prototype.setQuery() analogous to getQuery() #6855 #6854
• docs(connections): add note about the family option for IPv4 vs IPv6 and add port to example URIs #6784
• fix(query): get global runValidators option correctly #6578

4.13.15 / 2018-08-14

• fix(mongoose): add global usePushEach option for easier Mongoose 4.x + MongoDB 3.6 #6858
• chore: fix flakey tests for 4.x #6853 Fonger
• feat(error): add version number to VersionError #6852 freewil

5.2.8 / 2018-08-13

• docs: update execPopulate() code example #6851 WJakub
• fix(document): allow passing callback to execPopulate() #6851
• fix(populate): populate with undefined fields without error #6848 #6845 Fonger
• docs(migrating_to_5): Add objectIdGetter option docs #6842 jwalton
• chore: run lint in parallel and only on Node.js v10 #6836 Fonger
• fix(populate): throw helpful error if refPath excluded in query #6834
• docs(migrating_to_5): add note about removing runSettersOnQuery #6832
• fix: use safe-buffer to avoid buffer deprecation errors in Node.js 10 #6829 Fonger
• docs(query): fix broken links #6828 yaynick
• docs(defaults): clarify that defaults only run on undefined #6827
• chore: fix flakey tests #6824 Fonger
• docs: fix custom inspect function deprecation warning in Node.js 10 #6821 yelworc
• fix(document): ensure subdocs get set to init state after save() so validators can run again #6818
• fix(query): make sure embedded query casting always throws a CastError #6803
• fix(document): ensure required function only gets called once when validating #6801
• docs(connections): note that you must specify port if using useNewUrlParser: true #6789
• fix(populate): support options.match in virtual populate schema definition #6787
• fix(update): strip out virtuals from updates if strict: 'throw' rather than returning an error #6731

5.2.7 / 2018-08-06

• fix(model): check expireAfterSeconds option when diffing indexes in syncIndexes() #6820 #6819 christopherhex
• chore: fix some common test flakes in travis #6816 Fonger
• chore: bump eslint and webpack to avoid bad versions of eslint-scope #6814
• test(model): add delay to session tests to improve pass rate #6811 Fonger
• fix(model): support options in deleteMany #6810 Fonger
• fix(query): don't use $each when pushing an array into an array #6809 lineus
• chore: bump mquery so eslint isn't a prod dependency #6800
• fix(populate): correctly get schema type when calling populate() on already populated path #6798
• fix(populate): propagate readConcern options in populate from parent query #6792 #6785 Fonger
• docs(connection): add description of useNewUrlParser option #6789
• fix(query): make select('+path') a no-op if no select prop in schema #6785
• docs(schematype+validation): document using function syntax for custom validator message #6772
• fix(update): throw CastError if updating with $inc: null #6770
• fix(connection): throw helpful error when calling createConnection(undefined) #6763

5.2.6 / 2018-07-30

• fix(document): don't double-call deeply nested custom getters when using get() #6779 #6637
• fix(query): upgrade mquery for readConcern() helper #6777
• docs(schematypes): clean up typos #6773 sajadtorkamani
• refactor(browser): fix webpack warnings #6771 #6705
• fix(populate): make error reported when no localField specified catchable #6767
• docs(connection): use correct form in createConnection example #6766 lineus
• fix(connection): throw helpful error when using legacy mongoose.connect() syntax #6756
• fix(document): handle overwriting $session in execPopulate() #6754
• fix(query): propagate top-level session down to populate() #6754
• fix(aggregate): add session() helper for consistency with query api #6752
• fix(map): avoid infinite recursion when update overwrites a map #6750
• fix(model): be consistent about passing noop callback to mongoose.model() init() as well as db.model() #6707

5.2.5 / 2018-07-23

• fix(boolean): expose convertToTrue and convertToFalse for custom boolean casting #6758
• docs(schematypes): add note about what values are converted to booleans #6758
• fix(document): fix(document): report castError when setting single nested doc to array #6753
• docs: prefix mongoose.Schema call with new operator #6751 sajadtorkamani
• docs(query): add examples and links to schema writeConcern option for writeConcern helpers #6748
• docs(middleware): clarify that init middleware is sync #6747
• perf(model): create error rather than modifying stack for source map perf #6735
• fix(model): throw helpful error when passing object to aggregate() #6732
• fix(model): pass Model instance as context to applyGetters when calling getters for virtual populate #6726 lineus
• fix(documentarray): remove isNew and save listeners on CastError because otherwise they never get removed #6723
• docs(model+query): clarify when to use countDocuments() vs estimatedDocumentCount() #6713
• fix(populate): correctly set virtual nestedSchemaPath when calling populate() multiple times #6644
• docs(connections): add note about the family option for IPv4 vs IPv6 and add port to example URIs #6566

5.2.4 / 2018-07-16

• docs: Model.insertMany rawResult option in api docs #6724 lineus
• docs: fix typo on migrating to 5 guide #6722 iagowp
• docs: update doc about keepalive #6719 #6718 simllll
• fix: ensure debug mode doesn't crash with sessions #6712
• fix(document): report castError when setting single nested doc to primitive value #6710
• fix(connection): throw helpful error if using new db.model(foo)(bar) #6698
• fix(model): throw readable error with better stack trace when non-cb passed to $wrapCallback() #6640

5.2.3 / 2018-07-11

• fix(populate): if a getter is defined on the localField, use it when populating #6702 #6618 lineus
• docs(schema): add example of nested aliases #6671
• fix(query): add session() function to queries to avoid positional argument mistakes #6663
• docs(transactions): use new session() helper to make positional args less confusing #6663
• fix(query+model+schema): add support for writeConcern option and writeConcern helpers #6620
• docs(guide): add writeConcern option and re-add description for safe option #6620
• docs(schema): fix broken API links #6619
• docs(connections): add information re: socketTimeoutMS and connectTimeoutMS #4789

5.2.2 / 2018-07-08

• fix(model+query): add missing estimatedDocumentCount() function #6697
• docs(faq): improve array-defaults section #6695 lineus
• docs(model): fix countDocuments() docs, bad copy/paste from count() docs #6694 #6643
• fix(connection): add startSession() helper to connection and mongoose global #6689
• fix: upgrade mongodb driver -> 3.1.1 for countDocuments() fix #6688 #6666
• docs(compatibility): add MongoDB 4 range #6685
• fix(populate): add ability to define refPath as a function #6683 lineus
• docs: add rudimentary transactions guide #6672
• fix(update): make setDefaultsOnInsert handle nested subdoc updates with deeply nested defaults #6665
• docs: use latest acquit-ignore to handle examples that start with acquit:ignore:start #6657
• fix(validation): format properties.message as well as message #6621

5.2.1 / 2018-07-03

• fix(connection): allow setting the mongodb driver's useNewUrlParser option, default to false #6656 #6648 #6647
• fix(model): only warn on custom _id index if index only has _id key #6650

5.2.0 / 2018-07-02

• feat(model): add countDocuments() #6643
• feat(model): make ensureIndexes() fail if specifying an index on _id #6605
• feat(mongoose): add objectIdGetter option to remove ObjectId.prototype._id #6588
• feat: upgrade mongodb -> 3.1.0 for full MongoDB 4.0 support #6579
• feat(query): support runValidators as a global option #6578
• perf(schema): use WeakMap instead of array for schema stack #6503
• feat(model): decorate unique discriminator indexes with partialFilterExpressions #6347
• feat(model): add syncIndexes(), drops indexes that aren't in schema #6281
• feat(document): add default getter/setter if virtual doesn't have one #6262
• feat(discriminator): support discriminators on nested doc arrays #6202
• feat(update): add Query.prototype.set() #5770

5.1.8 / 2018-07-02

• fix: don't throw TypeError if calling save() after original save() failed with push() #6638 evanhenke
• fix(query): add explain() helper and don't hydrate explain output #6625
• docs(query): fix setOptions() lists #6624
• docs: add geojson docs #6607
• fix: bump mongodb -> 3.0.11 to avoid cyclic dependency error with retryWrites #6109

5.1.7 / 2018-06-26

• docs: add npm badge to readme #6623 VFedyk
• fix(document): don't throw parallel save error if post save hooks in parallel #6614 #6611 lineus
• fix(populate): allow dynamic ref to handle >1 model getModelsMapForPopulate #6613 #6612 jimmytsao
• fix(document): handle push() on triple nested document array #6602
• docs(validation): improve update validator doc headers #6577 joeytwiddle
• fix(document): handle document arrays in modifiedPaths() with includeChildren option #5904

5.1.6 / 2018-06-19

• fix: upgrade mongodb -> 3.0.10
• docs(model+document): clarify that save() returns undefined if passed a callback #6604 lineus
• fix(schema): apply alias when adding fields with .add() #6593
• docs: add full list of guides and streamline nav #6592
• docs(model): add projection option to findOneAndUpdate() #6590 lineus
• docs: support @static JSDoc declaration #6584
• fix(query): use boolean casting logic for $exists #6581
• fix(query): cast all $text options to correct values #6581
• fix(model): add support synchronous pre hooks for createModel #6552 profbiss
• docs: add note about the applyPluginsToDiscriminators option #4965

5.1.5 / 2018-06-11

• docs(guide): rework query helper example #6575 lineus
• fix(populate): handle virtual populate with embedded discriminator under single nested subdoc #6571
• docs: add string option to projections that call query select #6563 lineus
• style: use ES6 in collection.js #6560 l33ds
• fix(populate): add virtual ref function ability getModelsMapForPopulate #6559 #6554 lineus
• docs(queries): fix link #6557 sun1x
• fix(schema): rename indexes -> getIndexes to avoid webpack duplicate declaration #6547
• fix(document): support toString() as custom method #6538
• docs: add @instance for instance methods to be more compliant with JSDoc #6516 treble-snake
• fix(populate): avoid converting to map when using mongoose-deep-populate #6460
• docs(browser): create new browser docs page #6061

5.1.4 / 2018-06-04

• docs(faq): add hr tags for parallel save error #6550 lineus
• docs(connection): fix broken link #6545 iblamefish
• fix(populate): honor subpopulate options #6539 #6528 lineus
• fix(populate): allow population of refpath under array #6537 #6509 lineus
• fix(query): dont treat $set the same as the other ops in update casting #6535 lineus
• fix: bump async -> 2.6.1 #6534 #6505 lineus
• fix: support using a function as validation error message #6530 lucandrade
• fix(populate): propagate lean() down to subpopulate #6498 AbdelrahmanHafez
• docs(lambda): add info on what happens if database does down between lambda function calls #6409
• fix(update): allow updating embedded discriminator path if discriminator key is in filter #5841

5.1.3 / 2018-05-28

• fix(document): support set() on path underneath array embedded discriminator #6526
• chore: update lodash and nsp dev dependencies #6514 ChristianMurphy
• fix(document): throw readable error when saving the same doc instance more than once in parallel #6511 #6456 #4064 lineus
• fix(populate): set correct nestedSchemaPath for virtual underneath embedded discriminator #6501 #6487 lineus
• docs(query): add section on promises and warning about not mixing promises and callbacks #6495
• docs(connection): add concrete example of connecting to multiple hosts #6492 lineus
• fix(populate): handle virtual populate under single nested doc under embedded discriminator #6488
• fix(schema): collect indexes from embedded discriminators for autoIndex build #6485
• fix(document): handle doc.set() underneath embedded discriminator #6482
• fix(document): handle set() on path under embedded discriminator with object syntax #6482
• fix(document): handle setting nested property to object with only non-schema properties #6436

4.13.14 / 2018-05-25

• fix(model): handle retainKeyOrder option in findOneAndUpdate() #6484

5.1.2 / 2018-05-21

• docs(guide): add missing SchemaTypes #6490 distancesprinter
• fix(map): make MongooseMap.toJSON return a serialized object #6486 #6478 lineus
• fix(query): make CustomQuery inherit from model.Query for hooks #6483 #6455 lineus
• fix(document): prevent default falses from being skipped by $__dirty #6481 #6477 lineus
• docs(connection): document useDb() #6480
• fix(model): skip redundant clone in insertMany #6479 d1manson
• fix(aggregate): let replaceRoot accept objects as well as strings #6475 #6474 lineus
• docs(model): clarify emit() in mapReduce and how map/reduce are run #6465
• fix(populate): flatten array to handle multi-level nested refPath #6457
• fix(date): cast small numeric strings as years #6444 AbdelrahmanHafez
• fix(populate): remove unmatched ids when using virtual populate on already hydrated document #6435
• fix(array): use custom array class to avoid clobbered property names #6431
• fix(model): handle hooks for custom methods that return promises #6385

4.13.13 / 2018-05-17

• fix(update): stop clobbering $in when casting update #6441 #6339
• fix: upgrade async -> 2.6.0 re: security warning

5.1.1 / 2018-05-14

• docs(schema): add notes in api and guide about schema.methods object #6470 #6440 lineus
• fix(error): add modified paths to VersionError #6464 #6433 paglias
• fix(populate): only call populate with full param signature when match is not present #6458 #6451 lineus
• docs: fix geoNear link in migration guide #6450 kawache
• fix(discriminator): throw readable error when create() with a non-existent discriminator key #6434
• fix(populate): add retainNullValues option to avoid stripping out null keys #6432
• fix(populate): handle populate in embedded discriminators underneath nested paths #6411
• docs(model): add change streams and ToC, make terminology more consistent #5888

5.1.0 / 2018-05-10

• feat(ObjectId): add _id getter so you can get a usable id whether or not the path is populated #6415 #6115
• feat(model): add Model.startSession() #6362
• feat(document): add doc.$session() and set session on doc after query #6362
• feat: add Map type that supports arbitrary keys #6287 #681
• feat: add cloneSchemas option to mongoose global to opt in to always cloning schemas before use #6274
• feat(model): add findOneAndDelete() and findByIdAndDelete() #6164
• feat(document): support $ignore() on single nested and array subdocs #6152
• feat(document): add warning about calling save() on subdocs #6152
• fix(model): make save() use updateOne() instead of update() #6031
• feat(error): add version number to VersionError #5966
• fix(query): allow [] as a value for $in when casting #5913
• fix(document): avoid running validators on single nested paths if only a child path is modified #5885
• feat(schema): print warning if method conflicts with mongoose internals #5860

5.0.18 / 2018-05-09

• fix(update): stop clobbering $in when casting update #6441 #6339 lineus
• fix: upgrade mongodb driver -> 3.0.8 to fix session issue #6437 #6357 simllll
• fix: upgrade bson -> 1.0.5 re: https://snyk.io/vuln/npm:bson:20180225 #6423 ChristianMurphy
• fix: look for valueOf() when casting to Decimal128 #6419 #6418 lineus
• fix: populate array of objects with space separated paths #6414 lineus
• test: add coverage for mongoose.pluralize() #6412 FastDeath
• fix(document): avoid running default functions on init() if path has value #6410
• fix(document): allow saving document with null id #6406
• fix: prevent casting of populated docs in document.init #6390 lineus
• fix: remove toHexString() helper that was added in 5.0.15 #6359

5.0.17 / 2018-04-30

• docs(migration): certain chars in passwords may cause connection failures #6401 markstos
• fix(document): don't throw when push() on a nested doc array #6398
• fix(model): apply hooks to custom methods if specified #6385
• fix(schema): support opting out of one timestamp field but not the other for insertMany() #6381
• fix(documentarray): handle required: true within documentarray definition #6364
• fix(document): ensure isNew is set before default functions run on init #3793

5.0.16 / 2018-04-23

• docs(api): sort api methods based on their string property #6374 lineus
• docs(connection): fix typo in createCollection() #6370 mattc41190
• docs(document): remove vestigial reference to numAffected #6367 ekulabuhov
• docs(schema): fix typo #6366 dhritzkiv
• docs(schematypes): add missing minlength and maxlength docs #6365 treble-snake
• docs(queries): fix formatting #6360 treble-snake
• docs(api): add cursors to API docs #6353 #6344 lineus
• docs(aggregate): remove reference to non-existent .select() method #6346
• fix(update): handle required array with update validators and $pull #6341
• fix(update): avoid setting __v in findOneAndUpdate if it is $set #5973

5.0.15 / 2018-04-16

• fix: add ability for casting from number to decimal128 #6336 #6331 lineus
• docs(middleware): enumerate the ways to error out in a hook #6315
• fix(document): respect schema-level depopulate option for toObject() #6313
• fix: bump mongodb driver -> 3.0.6 #6310
• fix(number): check for valueOf() function to support Decimal.js #6306 #6299 lineus
• fix(query): run array setters on query if input value is an array #6277
• fix(versioning): don't require matching version when using array.pull() #6190
• fix(document): add toHexString() function so you don't need to check whether a path is populated to get an id #6115

5.0.14 / 2018-04-09

• fix(schema): clone aliases and alternative option syntax correctly
• fix(query): call utils.toObject in query.count like in query.find #6325 lineus
• docs(populate): add middleware examples #6320 BorntraegerMarc
• docs(compatibility): fix dead link #6319 lacivert
• docs(api): fix markdown parsing for parameters #6318 #6314 lineus
• fix(populate): handle space-delimited paths in array populate #6296 #6284 lineus
• fix(populate): support basic virtual populate underneath embedded discriminators #6273

5.0.13 / 2018-04-05

• docs(faq): add middleware to faq arrow function warning #6309 lineus
• docs(schema): add example to loadClass() docs #6308
• docs: clean up misc typos #6304 sfrieson
• fix(document): apply virtuals when calling toJSON() on a nested path #6294
• refactor(connection): use client.db() syntax rather than double-parsing the URI #6292 #6286
• docs: document new behavior of required validator for arrays #6288 daltones
• fix(schema): treat set() options as user-provided options #6274
• fix(schema): clone discriminators correctly #6274
• fix(update): make setDefaultsOnInsert not create subdoc if only default is id #6269
• docs(discriminator): clarify 3rd argument to Model.discriminator() #2596

5.0.12 / 2018-03-27

• docs(query): updating model name in query API docs #6280 lineus
• docs: fix typo in tests #6275 styler
• fix: add missing .hint() to aggregate #6272 #6251 lineus
• docs(api): add headers to each API docs section for easer nav #6261
• fix(query): ensure hooked query functions always run on next tick for chaining #6250
• fix(populate): ensure populated array not set to null if it isn't set #6245
• fix(connection): set readyState to disconnected if initial connection fails #6244 #6131
• docs(model): make create() params show up correctly in docs #6242
• fix(model): make error handlers work with MongoDB server errors and insertMany() #6228
• fix(browser): ensure browser document builds defaults for embedded arrays correctly #6175
• fix(timestamps): set timestamps when using updateOne() and updateMany() #6282 gualopezb

5.0.11 / 2018-03-19

• fix(update): handle $pull with $in in update validators #6240
• fix(query): don't convert undefined to null when casting so driver ignoreUndefined option works #6236
• docs(middleware): add example of using async/await with middleware #6235
• fix(populate): apply justOne option before completeMany() so it works with lean() #6234
• fix(query): ensure errors in user callbacks aren't caught in init #6195 #6178
• docs(connections): document dbName option for Atlas connections #6179
• fix(discriminator): make child schema nested paths overwrite parent schema paths #6076

4.13.12 / 2018-03-13

• fix(document): make virtual get() return undefined instead of null if no getters #6223
• docs: fix url in useMongoClient error message #6219 #6217 lineus
• fix(discriminator): don't copy discriminators property from base schema #6122 #6064

5.0.10 / 2018-03-12

• docs(schematype): add notes re: running setters on queries #6209
• docs: fix typo #6208 kamagatos
• fix(query): only call setters once on query filter props for findOneAndUpdate and findOneAndRemove #6203
• docs: elaborate on connection string changes in migration guide #6193
• fix(document): skip applyDefaults if subdoc is null #6187
• docs: fix schematypes docs and link to them #6176
• docs(faq): add FAQs re: array defaults and casting aggregation pipelines #6184 #6176 #6170 lineus
• fix(document): ensure primitive defaults are set and built-in default functions run before setters #6155
• fix(query): handle single embedded embedded discriminators in castForQuery #6027

5.0.9 / 2018-03-05

• perf: bump mongodb -> 3.0.4 to fix SSL perf issue #6065

5.0.8 / 2018-03-03

• docs: remove obsolete references to emitIndexErrors #6186 isaackwan
• fix(query): don't cast findOne() until exec() so setters don't run twice #6157
• fix: remove document_provider.web.js file #6186
• fix(discriminator): support custom discriminator model names #6100 wentout
• fix: support caching calls to useDb() #6036 rocketspacer
• fix(query): add omitUndefined option so setDefaultsOnInsert can kick in on undefined #6034
• fix: upgrade mongodb -> 3.0.3 for reconnectTries: 0 blocking process exit fix #6028

5.0.7 / 2018-02-23

• fix: support eachAsync options with aggregation cursor #6169 #6168 vichle
• docs: fix link to MongoDB compound indexes docs #6162 br0p0p
• docs(aggregate): use eachAsync instead of incorrect each() #6160 simllll
• chore: fix benchmarks #6158 pradel
• docs: remove dead link to old blog post #6154 markstos
• fix: don't convert dates to numbers when updating mixed path #6146 #6145 s4rbagamble
• feat(aggregate): add replaceRoot, count, sortByCount helpers #6142 jakesjews
• fix(document): add includedChildren flag to modifiedPaths() #6134
• perf: don't create wrapper function if no hooks specified #6126
• fix(schema): allow indexes on single nested subdocs for geoJSON #6113
• fix(document): allow depopulating all fields #6073
• feat(mongoose): add support for useFindAndModify option on singleton #5616

5.0.6 / 2018-02-15

• refactor(query.castUpdate): avoid creating error until necessary #6137
• docs(api): fix missing api docs #6136 lineus
• fix(schema): copy virtuals when using clone() #6133
• fix(update): avoid digging into buffers with upsert and replaceOne #6124
• fix(schema): support enum on arrays of strings #6102
• fix(update): cast $addToSet: [1, 2] -> $addToSet: { $each: [1, 2] } #6086

5.0.5 / 2018-02-13

• docs: make > show up correctly in API docs #6114
• fix(query): support where() overwriting primitive with object #6097
• fix(schematype): don't run internal resetId setter on queries with _id #6093
• fix(discriminator): don't copy discriminators property from base schema #6064
• fix(utils): respect valueOf() when merging object for update #6059
• docs(validation): fix typo 'maxLength' #4720
• fix(document): apply defaults after setting initial value so default functions don't see empty doc #3781

5.0.4 / 2018-02-08

• docs: add lambda guide #6107
• fix(connection): add dbName option to work around mongodb+srv not supporting db name in URI #6106
• fix(schematype): fix regexp typo in ObjectId #6098 JoshuaWise
• perf(document): re-use the modifiedPaths list #6092 tarun1793
• fix: use console.info() instead of console.error() for debug output #6088 yuristsepaniuk
• docs(validation): clean up runValidators and isAsync options docs for 5.x #6083
• docs(model): use array instead of spread consistently for aggregate() #6070
• fix(schema): make aliases handle mongoose-lean-virtuals #6069
• docs(layout): add link to subdocs guide #6056
• fix(query): make strictQuery: true strip out fields that aren't in the schema #6032
• docs(guide): add notes for strictQuery option #6032

4.13.11 / 2018-02-07

• docs: fix links in 4.x docs #6081
• chore: add release script that uses --tag for npm publish for 4.x releases #6063

5.0.3 / 2018-01-31

• fix: consistently use process.nextTick() to avoid sinon.useFakeTimers() causing ops to hang #6074
• docs(aggregate): fix typo #6072 adursun
• chore: add return type to mongoose.model() docs bryant1410
• fix(document): depopulate push()-ed docs when saving #6048
• fix: upgrade mongodb -> 3.0.2 #6019

5.0.2 / 2018-01-28

• fix(schema): do not overwrite default values in schema when nested timestamps are provided #6024 cdeveas
• docs: fix syntax highlighting in models.jade, schematypes.jade, subdocs.jade #6058 lineus
• fix: use lazy loading so we can build mongoose with webpack #5993 #5842
• docs(connections): clarify multi-mongos with useMongoClient for 4.x docs #5984
• fix(populate): handle populating embedded discriminator paths #5970

4.13.10 / 2018-01-28

• docs(model+query): add lean() option to Model helpers #5996 aguyinmontreal
• fix: use lazy loading so we can build mongoose with webpack #5993 #5842
• docs(connections): clarify multi-mongos with useMongoClient for 4.x docs #5984
• fix(populate): handle populating embedded discriminator paths #5970
• docs(query+aggregate): add more detail re: maxTimeMS #4066

5.0.1 / 2018-01-19

• fix(document): make validate() not resolve to document #6014
• fix(model): make save() not return DocumentNotFoundError if using fire-and-forget writes #6012
• fix(aggregate): make options() work as advertised #6011 spederiva
• docs(queries): fix code samples #6008

5.0.0 / 2018-01-17

• test: refactor tests to use start fewer connections #5985 fenanquin
• feat: add global bufferCommands option #5879
• docs: new docs site and build system #5976
• test: increase timeout on slow test cases #5968 fenanquin
• fix: avoid casting out array filter elements #5965
• feat: add Model.watch() wrapper #5964
• chore: replace istanbul with nyc #5962 ChristianMurphy

4.13.9 / 2018-01-07

• chore: update marked (dev dependency) re: security vulnerability #5951 ChristianMurphy
• fix: upgrade mongodb -> 2.2.34 for ipv6 and autoReconnect fixes #5794 #5760
• docs: use useMongooseAggCursor for aggregate docs #2955

5.0.0-rc2 / 2018-01-04

• fix: add cleaner warning about no longer needing useMongoClient in 5.x #5961
• chore: update acquit -> 0.5.1 for minor security patch #5961 ChristianMurphy
• docs: add docs for mongoose 4.x at http://mongoosejs.com/docs/4.x #5959
• docs: add link to migration guide #5957
• chore: update eslint to version 4.14.0 #5955 ChristianMurphy
• chore: update mocha to version 4.1.0 ChristianMurphy

5.0.0-rc1 / 2018-01-02

• fix(index): use pluralize correctly for mongoose.model() #5958
• fix: make mquery use native promises by default #5945
• fix(connection): ensure 'joined' and 'left' events get bubbled up #5944

5.0.0-rc0 / 2017-12-28

• BREAKING CHANGE: always use mongoose aggregation cursor when using .aggregate().cursor() #5941
• BREAKING CHANGE: attach query middleware when compiling model #5939
• BREAKING CHANGE: emitIndexErrors is on by default, failing index build will throw uncaught error if not handled #5910
• BREAKING CHANGE: remove precompiled browser bundle #5895
• feat: add mongoose.pluralize() function #5877
• BREAKING CHANGE: remove passRawResult option for findOneAndUpdate, use rawResult #5869
• BREAKING CHANGE: implicit async validators (based on number of function args) are removed, return a promise instead #5824
• BREAKING CHANGE: fail fast if user sets a unique index on _id #5820 varunjayaraman
• BREAKING CHANGE: mapReduce resolves to an object with 2 keys rather than 2 separate args #5816
• BREAKING CHANGE: mongoose.connect() returns a promise, removed MongooseThenable #5796
• BREAKING CHANGE: query stream removed, use cursor() instead #5795
• BREAKING CHANGE: connection open() and openSet() removed, use openUri() instead #5795
• BREAKING CHANGE: use MongoDB driver 3.0.0, drop support for MongoDB server < 3.0.0 #5791 #4740
• BREAKING CHANGE: remove support for $pushAll, remove usePushEach option #5670
• BREAKING CHANGE: make date casting use native Date #5395 varunjayaraman
• BREAKING CHANGE: remove runSettersOnQuery, always run setters on query #5340
• BREAKING CHANGE: array of length 0 now satisfies required: true for arays #5139 wlingke
• BREAKING CHANGE: remove saveErrorIfNotFound, always error out if save() did not update a document #4973
• BREAKING CHANGE: don't execute getters in reverse order #4835
• BREAKING CHANGE: make boolean casting more strict #4245
• BREAKING CHANGE: toObject() and toJSON() option parameter merges with defaults rather than overwriting #4131
• feat: allow setting default on _id #4069
• BREAKING CHANGE: deleteX() and remove() promise resolves to the write object result #4013
• feat: support returning a promise from middleware functions #3779
• BREAKING CHANGE: don't return a promise if callback specified #3670
• BREAKING CHANGE: only cast update(), updateX(), replaceOne(), remove(), deleteX() in exec #3529
• BREAKING CHANGE: sync errors in middleware functions are now handled #3483
• BREAKING CHANGE: post hooks get flow control #3232
• BREAKING CHANGE: deduplicate hooks when merging discriminator schema #2945
• BREAKING CHANGE: use native promises by default, remove support for mpromise #2917
• BREAKING CHANGE: remove retainKeyOrder, always use forward order when iterating through objects #2749
• BREAKING CHANGE: aggregate() no longer accepts a spread #2716

4.13.8 / 2017-12-27

• docs(guide): use more up-to-date syntax for autoIndex example #5933
• docs: fix grammar #5927 abagh0703
• fix: propagate lean options to child schemas #5914
• fix(populate): use correct model with discriminators + nested populate #5858

4.13.7 / 2017-12-11

• docs(schematypes): fix typo #5889 gokaygurcan
• fix(cursor): handle reject(null) with eachAsync callback #5875 #5874 ZacharyRSmith
• fix: disallow setting mongoose.connection to invalid values #5871 jinasonlin
• docs(middleware): suggest using return next() to stop middleware execution #5866
• docs(connection): improve connection string query param docs #5864
• fix(document): run validate hooks on array subdocs even if not directly modified #5861
• fix(discriminator): don't treat $meta as defining projection when querying #5859
• fix(types): handle Decimal128 when using bson-ext on server side #5850
• fix(document): ensure projection with only $slice isn't treated as inclusive for discriminators #4991
• fix(model): throw error when passing non-object to create() #2037

4.13.6 / 2017-12-02

• fix(schema): support strictBool option in schema #5856 ekulabuhov
• fix(update): make upsert option consistently handle truthy values, not just booleans, for updateOne() #5839
• refactor: remove unnecessary constructor check #2057
• docs(query): correct function signature for .mod() helper #1806
• fix(query): report ObjectParameterError when passing non-object as filter to find() and findOne() #1698

4.13.5 / 2017-11-24

• fix(model): handle update cast errors correctly with bulkWrite #5845 Michael77
• docs: add link to bufferCommands option #5844 ralphite
• fix(model): allow virtual ref function to return arrays #5834 brunohcastro
• fix(query): don't throw uncaught error if query filter too big #5812
• fix(document): if setting unselected nested path, don't overwrite nested path #5800
• fix(document): support calling populate() on nested document props #5703
• fix: add strictBool option for schema type boolean #5344 #5211 #4245
• docs(faq): add faq re: typeKey #1886
• docs(query): add more detailed docs re: options #1702

4.13.4 / 2017-11-17

• fix(aggregate): add chainable .option() helper for setting arbitrary options #5829
• fix(aggregate): add .pipeline() helper to get the current pipeline #5825
• docs: grammar fixes for unique FAQ #5823 mfluehr
• chore: add node 9 to travis #5822 superheri
• fix(model): fix infinite recursion with recursive embedded discriminators #5821 Faibk

4.13.3 / 2017-11-15

• chore: add node 8 to travis #5818 superheri
• fix(document): don't apply transforms to nested docs when updating already saved doc #5807

4.13.2 / 2017-11-11

• feat(buffer): add support for subtype prop #5530

4.13.1 / 2017-11-08

• fix: accept multiple paths or array of paths to depopulate #5798 #5797 adamreisnz
• fix(document): pass default array as actual array rather than taking first element #5780
• fix(model): increment version when $set-ing it in a save() that requires a version bump #5779
• fix(query): don't explicitly project in discriminator key if user projected in parent path #5775 #5754
• fix(model): cast query option to geoNear() #5765
• fix(query): don't treat projection with just $slice as inclusive #5737
• fix(discriminator): defer applying embedded discriminator hooks until top-level model is compiled #5706
• docs(discriminator): add warning to always attach hooks before calling discriminator() #5706

4.13.0 / 2017-11-02

• feat(aggregate): add $addFields helper #5740 AyushG3112
• feat(connection): add connection-level bufferCommands #5720
• feat(connection): add createCollection() helper #5712
• feat(populate): support setting localField and foreignField to functions #5704 #5602
• feat(query): add multipleCastError option for aggregating cast errors when casting update #5609
• feat(populate): allow passing a function to virtual ref #5602
• feat(schema): add excludeIndexes option to optionally prevent collecting indexes from nested schemas #5575
• feat(model): report validation errors from insertMany() if using ordered: false and rawResult: true #5337
• feat(aggregate): add pre/post aggregate middleware #5251
• feat(schema): allow using set as a schema path #1939

4.12.6 / 2017-11-01

• fix(schema): make clone() copy query helpers correctly #5752
• fix: undeprecate ensureIndex() and use it by default #3280

4.12.5 / 2017-10-29

• fix(query): correctly handle $in and required for $pull and update validators #5744
• feat(aggegate): add $addFields pipeline operator #5740 AyushG3112
• fix(document): catch sync errors in document pre hooks and report as error #5738
• fix(populate): handle slice projections correctly when automatically selecting populated fields #5737
• fix(discriminator): fix hooks for embedded discriminators #5706 wlingke
• fix(model): throw sane error when customer calls mongoose.Model() over mongoose.model() #2005

4.12.4 / 2017-10-21

• test(plugins): add coverage for idGetter with id as a schema property #5713 wlingke
• fix(model): avoid copying recursive $$context object when creating discriminator after querying #5721
• fix(connection): ensure connection promise helpers are removed before emitting 'connected' #5714
• docs(schema): add notes about runSettersOnQuery to schema setters #5705
• fix(collection): ensure queued operations run on the next tick #5562

4.12.3 / 2017-10-16

• fix(connection): emit 'reconnect' event as well as 'reconnected' for consistency with driver #5719
• fix: correctly bubble up left/joined events for replica set #5718
• fix(connection): allow passing in autoIndex as top-level option rather than requiring config.autoIndex #5711
• docs(connection): improve docs regarding reconnectTries, autoReconnect, and bufferMaxEntries #5711
• fix(query): handle null with addToSet/push/pull/pullAll update validators #5710
• fix(model): handle setDefaultsOnInsert option for bulkWrite updateOne and updateMany #5708
• fix(query): avoid infinite recursion edge case when cloning a buffer #5702

4.12.2 / 2017-10-14

• docs(faq): add FAQ about using arrow functions for getters/setters, virtuals, and methods #5700
• docs(schema): document the childSchemas property and add to public API #5695
• fix(query): don't project in populated field if parent field is already projected in #5669
• fix: bump mongodb -> 2.2.33 for issue with autoReconnect #4513

4.12.1 / 2017-10-08

• fix(document): create new doc when setting single nested, no more set() on copy of priorVal #5693
• fix(model): recursively call applyMethods on child schemas for global plugins #5690
• docs: fix bad promise lib example on home page #5686
• fix(query): handle false when checking for inclusive/exclusive projection #5685
• fix(discriminator): allow reusing child schema #5684
• fix: make addToSet() on empty array with subdoc trigger manual population #5504

4.12.0 / 2017-10-02

• docs(validation): add docs coverage for ValidatorError.reason #5681
• feat(discriminator): always add discriminatorKey to base schema to allow updating #5613
• fix(document): make nested docs no longer inherit parent doc's schema props #5586 #5546 #5470
• feat(query): run update validators on $pull and $pullAll #5555
• feat(query): add .error() helper to query to error out in pre hooks #5520
• feat(connection): add dropCollection() helper #5393
• feat(schema): add schema-level collation option #5295
• feat(types): add discriminator() function for single nested subdocs #5244
• feat(document): add $isDeleted() getter/setter for better support for soft deletes #4428
• feat(connection): bubble up reconnectFailed event when driver gives up reconnecting #4027
• fix(query): report error if passing array or other non-object as filter to update query #3677
• fix(collection): use createIndex() instead of deprecated ensureIndex() #3280

4.11.14 / 2017-09-30

• chore: add nsp check to the CI build #5679 hairyhenderson
• fix: bump mquery because of security issue with debug package #5677 #5675 jonathanprl
• fix(populate): automatically select() populated()-ed fields #5669
• fix(connection): make force close work as expected #5664
• fix(document): treat $elemMatch as inclusive projection #5661
• docs(model/query): clarify which functions fire which middleware #5654
• fix(model): make init() public and return a promise that resolves when indexes are done building #5563

4.11.13 / 2017-09-24

• fix(query): correctly run replaceOne with update validators #5665 sime1
• fix(schema): replace mistype in setupTimestamp method #5656 zipp3r
• fix(query): avoid throwing cast error for strict: throw with nested id in query #5640
• fix(model): ensure class gets combined schema when using class syntax with discriminators #5635
• fix(document): handle setting doc array to array of top-level docs #5632
• fix(model): handle casting findOneAndUpdate() with overwrite and upsert #5631
• fix(update): correctly handle $ in updates #5628
• fix(types): handle manual population consistently for unshift() and splice() #5504

4.11.12 / 2017-09-18

• docs(model): asterisk should not render as markdown bullet #5644 timkinnane
• docs: use useMongoClient in connection example #5627 GabrielNicolasAvellaneda
• fix(connection): call callback when initial connection failed #5626
• fix(query): apply select correctly if a given nested schema is used for 2 different paths #5603
• fix(document): add graceful fallback for setting a doc array value and pull()-ing a doc #3511

4.11.11 / 2017-09-10

• fix(connection): properly set readyState in response to driver 'close' and 'reconnect' events #5604
• fix(document): ensure single embedded doc setters only get called once, with correct value #5601
• fix(timestamps): allow enabling updatedAt without createdAt #5598
• test: improve unique validator test by making create run before ensureIndex #5595 #5562
• fix(query): ensure find callback only gets called once when post init hook throws error #5592

4.11.10 / 2017-09-03

• docs: add KeenIO tracking #5612
• fix(schema): ensure validators declared with .validate() get copied with clone() #5607
• fix: remove unnecessary jest warning #5480
• fix(discriminator): prevent implicit discriminator schema id from clobbering base schema custom id #5591
• fix(schema): hide schema objectid warning for non-hex strings of length 24 #5587
• docs(populate): use story schema defined key author instead of creator #5578 dmric
• docs(document): describe usage of .set() #5576
• fix(document): ensure correct scope in single nested validators #5569
• fix(populate): don't mark path as populated until populate() is done #5564
• fix(document): make push()-ing a doc onto an empty array act as manual population #5504
• fix(connection): emit timeout event on socket timeout #4513

4.11.9 / 2017-08-27

• fix(error): avoid using arguments.callee because that breaks strict mode #5572
• docs(schematypes): fix spacing #5567
• fix(query): enforce binary subtype always propagates to mongodb #5551
• fix(query): only skip castForQuery for mongoose arrays #5536
• fix(browser): rely on browser entrypoint to decide whether to use BrowserDocument or NodeDocument #5480

4.11.8 / 2017-08-23

• feat: add warning about using schema ObjectId as type ObjectId #5571 efkan
• fix(schema): allow setting id property after schema was created #5570 #5548
• docs(populate): remove confusing _ from populate docs #5560
• fix(connection): expose parsed uri fields (host, port, dbname) when using openUri() #5556
• docs: added type boolean to options documentation #5547 ndabAP
• test: add test coverage for stopping/starting server #5524
• fix(aggregate): pull read preference from schema by default #5522

4.11.7 / 2017-08-14

• fix: correct properties when calling toJSON() on populated virtual #5544 #5442 davidwu226
• docs: fix spelling #5535 et
• fix(error): always set name before stack #5533
• fix: add warning about running jest in jsdom environment #5532 #5513 #4943
• fix(document): ensure overwriting a doc array cleans out individual docs #5523
• fix(schema): handle creating arrays of single nested using type key #5521
• fix: upgrade mongodb -> 2.2.31 to support user/pass options #5419

4.11.6 / 2017-08-07

• fix: limiting number of async operations per time in insertMany #5529 andresattler
• fix: upgrade mongodb -> 2.2.30 #5517
• fix(browserDocument): prevent stack overflow caused by double-wrapping embedded doc save() in jest #5513
• fix(document): clear single nested doc when setting to empty object #5506
• fix(connection): emit reconnected and disconnected events correctly with useMongoClient #5498
• fix(populate): ensure nested virtual populate gets set even if top-level property is null #5431

4.11.5 / 2017-07-30

• docs: fix link to $lookup #5516 TalhaAwan
• fix: better parallelization for eachAsync #5502 lchenay
• docs(document): copy docs for save from model to doc #5493
• fix(document): handle dotted virtuals in toJSON output #5473
• fix(populate): restore user-provided limit after mutating so cursor() works with populate limit #5468
• fix(query): don't throw StrictModeError if geo query with upsert #5467
• fix(populate): propagate readPreference from query to populate queries by default #5460
• docs: warn not to use arrow functions for statics and methods #5458
• fix(query): iterate over all condition keys for setDefaultsOnInsert #5455
• docs(connection): clarify server/replset/mongos option deprecation with useMongoClient #5442

4.11.4 / 2017-07-23

• fix: handle next() errors in eachAsync() #5486 lchenay
• fix(schema): propagate runSettersOnQuery option to implicitly created schemas #5479 [https://github.com/ValYouW]
• fix(query): run castConditions() correctly in update ops #5477
• fix(query): ensure castConditions called for findOne and findOneAnd* #5477
• docs: clarify relationship between $lookup and populate #5475 TalhaAwan
• test: add coverage for arrays of arrays zbjornson
• fix(middleware): ensure that error handlers for save get doc as 2nd param #5466
• fix: handle strict: false correctly #5454 #5453 wookieb
• fix(query): apply schema excluded paths if only projection is a $slice #5450
• fix(query): correct discriminator handling for schema select: false fields in schema #5448
• fix(cursor): call next() in series when parallel option used #5446
• chore: load bundled driver first to avoid packaging problem #5443 prototypeme
• fix(query): defer condition casting until final exec #5434
• fix(aggregate): don't rely on mongodb aggregate to put a cursor in the callback #5394
• docs(aggregate): add useMongooseAggCursor docs #5394
• docs(middleware): clarify context for document, query, and model middleware #5381

4.11.3 / 2017-07-14

• fix(connection): remove .then() before resolving to prevent infinite recursion #5471

4.11.2 / 2017-07-13

• docs: fix comment typo in connect example #5435 ConnorMcF
• fix(update): correctly cast document array in update validators with exec() #5430
• fix(connection): handle autoIndex with useMongoClient #5423
• fix(schema): handle type: [Array] in schemas #5416
• fix(timestamps): if overwrite is set and there's a $set, use $set instead of top-level update #5413
• fix(document): don't double-validate deeply nested doc array elements #5411
• fix(schematype): clone default objects so default not shared across object instances unless shared specified #5407
• fix(document): reset down the nested subdocs when resetting parent doc #5406
• fix: don't pass error arg twice to error handlers #5405
• fix(connection): make openUri() return connection decorated with then() and catch() #5404
• fix: enforce $set on an array must be an array #5403
• fix(document): don't crash if calling validateSync() after overwriting doc array index #5389
• fix(discriminator): ensure discriminator key doesn't count as user-selected field for projection #4629

4.11.1 / 2017-07-02

• docs: populate virtuals fix justOne description #5427 fredericosilva
  • fix(connection): make sure to call onOpen in openUri() #5404
  • docs(query): justOne is actually single, and it default to false #5402 zbjornson
  • docs: fix small typo in lib/schema.js #5398 #5396 pjo336
  • fix: emit remove on single nested subdocs when removing parent #5388
  • fix(update): handle update with defaults and overwrite but no update validators #5384
  • fix(populate): handle undefined refPath values in middle of array #5377
  • fix(document): ensure consistent setter context for single nested #5363
  • fix(query): support runSettersOnQuery as query option #5350

4.11.0 / 2017-06-25

• feat(query): execute setters with query as context for runSettersOnQuery #5339
• feat(model): add translateAliases function #5338 rocketspacer
• feat(connection): add useMongoClient and openUri functions, deprecate current connect logic #5304
• refactor(schema): make id virtual not access doc internals #5279
• refactor: handle non-boolean lean #5279
• feat(cursor): add addCursorFlag() support to query and agg cursors #4814
• feat(cursor): add parallel option to eachAsync #4244
• feat(schema): allow setting custom error constructor for custom validators #4009

4.10.8 / 2017-06-21

• docs: fix small formatting typo on schematypes #5374 gianpaj
• fix(model): allow null as an _id #5370
• fix(populate): don't throw async uncaught exception if model not found in populate #5364
• fix: correctly cast decimals in update #5361
• fix(error): don't use custom getter for ValidationError message #5359
• fix(query): handle runSettersOnQuery in built-in _id setter #5351
• fix(document): ensure consistent context for nested doc custom validators #5347

4.10.7 / 2017-06-18

• docs(validation): show overriding custom validator error with 2nd cb arg #5358
• fix: parseOption mutates user passed option map #5357 igwejk
• docs: fix guide.jade typo #5356 CalebAnderson2014
• fix(populate): don't set populate virtual to ids when match fails #5336
• fix(query): callback with cast error if remove and delete* args have a cast error #5323

4.10.6 / 2017-06-12

• fix(cursor): handle custom model option for populate #5334
• fix(populate): handle empty virtual populate with Model.populate #5331
• fix(model): make ensureIndexes() run with autoIndex: false unless called internally #5328 #5324 #5317
• fix: wait for all connections to close before resolving disconnect() promise #5316
• fix(document): handle setting populated path with custom typeKey in schema #5313
• fix(error): add toJSON helper to ValidationError so message shows up with JSON.stringify #5309
• feat: add getPromiseConstructor() to prevent need for mongoose.Promise.ES6 #5305
• fix(document): handle conditional required with undefined props #5296
• fix(model): clone options before inserting in save() #5294
• docs(populate): clarify that multiple populate() calls on same path overwrite #5274

4.10.5 / 2017-06-06

• chore: improve contrib guide for building docs #5312
• fix(populate): handle init-ing nested virtuals properly #5311
• fix(update): report update validator error if required path under single nested doc not set
• fix(schema): remove default validate pre hook that was causing issues with jest #4943

4.10.4 / 2017-05-29

• chore: dont store test data in same directory #5303
• chore: add data dirs to npmignore #5301 Starfox64
• docs(query): add docs about runSettersOnQuery #5300

4.10.3 / 2017-05-27

• docs: correct inconsistent references to updateOne and replaceOne #5297 dhritzkiv
• docs: fix dropdowns in docs #5292 nathanallen
• docs: add description of alias option #5287
• fix(document): prevent infinite loop if validating nested array #5282
• fix(schema): correctly handle ref ObjectIds from different mongoose libs #5259
• fix(schema): load child class methods after base class methods to allow override #5227

4.10.2 / 2017-05-22

• fix: bump ms -> 2.0.0 and mquery -> 2.3.1 for minor security vulnerability #5275

4.10.1 / 2017-05-21

• fix(aggregate): handle sorting by text score correctly #5258
• fix(populate): handle doc.populate() with virtuals #5240
• fix(schema): enforce that _id is never null #5236

4.10.0 / 2017-05-18

• fix(schema): update clone method to include indexes #5268 clozanosanchez
• feat(schema): support aliases #5184 rocketspacer
• feat(aggregate): add mongoose-specific aggregation cursor option #5145
• refactor(model): make sharding into a plugin instead of core #5105
• fix(document): make nested doc mongoose internals not enumerable again #5078
• feat(model): pass params to pre hooks #5064
• feat(timestamps): support already defined timestamp paths in schema #4868
• feat(query): add runSettersOnQuery option #4569
• fix(query): add strictQuery option that throws when not querying on field not in schema #4136
• fix(update): more complete handling for overwrite option with update validators #3556
• feat: support unique: true in arrays via the mongoose-unique-array plugin #3347
• fix(model): always emit 'index', even if no indexes #3347
• fix(schema): set unique indexes on primitive arrays #3347
• feat(validation): include failed paths in error message and inspect output #3064 #2135
• fix(model): return saved docs when create() fails #2190

4.9.10 / 2017-05-17

• fix(connection): ensure callback arg to openSet() is handled properly #5249
• docs: remove dead plugins repo and add content links #5247
• fix(model): skip index build if connecting after model init and autoIndex false #5176

4.9.9 / 2017-05-13

• docs: correct value for Query#regex() #5230
• fix(connection): don't throw if .catch() on open() promise #5229
• fix(schema): allow update with $currentDate for updatedAt to succeed #5222
• fix(model): versioning doesn't fail if version key undefined #5221 basileos
• fix(document): don't emit model error if callback specified for consistency with docs #5216
• fix(document): handle errors in subdoc pre validate #5215

4.9.8 / 2017-05-07

• docs(subdocs): rewrite subdocs guide #5217
• fix(document): avoid circular JSON if error in doc array under single nested subdoc #5208
• fix(document): set intermediate empty objects for deeply nested undefined paths before path itself #5206
• fix(schema): throw error if first param to schema.plugin() is not a function #5201
• perf(document): major speedup in validating subdocs (50x in some cases) #5191

4.9.7 / 2017-04-30

• docs: fix typo #5204 phutchins
• fix(schema): ensure correct path for deeply nested schema indexes #5199
• fix(schema): make remove a reserved name #5197
• fix(model): handle Decimal type in insertMany correctly #5190
• fix: upgrade kareem to handle async pre hooks correctly #5188
• docs: add details about unique not being a validator #5179
• fix(validation): handle returning a promise with isAsync: true #5171

4.9.6 / 2017-04-23

• fix: update parentArray references when directly assigning document arrays #5192 jhob
• docs: improve schematype validator docs #5178 milesbarr
• fix(model): modify discriminator() class in place #5175
• fix(model): handle bulkWrite updateMany casting #5172 tzellman
• docs(model): fix replaceOne example for bulkWrite #5168
• fix(document): don't create a new array subdoc when creating schema array #5162
• fix(model): merge query hooks from discriminators #5147
• fix(document): add parent() function to subdocument to match array subdoc #5134

4.9.5 / 2017-04-16

• fix(query): correct $pullAll casting of null #5164 Sebmaster
• docs: add advanced schemas docs for loadClass #5157
• fix(document): handle null/undefined gracefully in applyGetters() #5143
• fix(model): add resolveToObject option for mapReduce with ES6 promises #4945

4.9.4 / 2017-04-09

• fix(schema): clone query middleware correctly #5153 #5141 clozanosanchez
• docs(aggregate): fix typo #5142
• fix(query): cast .$ update to underlying array type #5130
• fix(populate): don't mutate populate result in place #5128
• fix(query): handle $setOnInsert consistent with $set #5126
• docs(query): add strict mode option for findOneAndUpdate #5108

4.9.3 / 2017-04-02

• docs: document.js fixes for functions prepended with $ #5131 krmannix
• fix: Avoid exception on constructor check #5129 monkbroc
• docs(schematype): explain how to use isAsync with validate() #5125
• docs(schematype): explain custom message with required function #5123
• fix(populate): only apply refPath duplicate id optimization if not array #5114
• fix(document): copy non-objects to doc when init() #5111
• perf(populate): dont clone whole options every time #5103
• feat(document): add isDirectSelected() to minimize isSelected() changes #5063
• docs(schematypes): explain some subtleties with arrays #5059

4.9.2 / 2017-03-26

• fix(discriminator): handle class names consistently #5104
• fix(schema): make clone() work with reusing discriminator schemas #5098
• fix(querycursor): run pre find hooks with .cursor() #5096
• fix(connection): throw error if username:password includes @ or : #5091
• fix(timestamps): handle overwriting createdAt+updatedAt consistently #5088
• fix(document): ensure subdoc post save runs after parent save #5085
• docs(model): improve update docs #5076 bertolo1988

4.9.1 / 2017-03-19

• fix(query): handle $type for arrays #5080 #5079 zoellner
• fix(model): handle ordered param for insertMany validation errors #5072 sjorssnoeren
• fix(populate): avoid duplicate ids in dynref queries #5054
• fix(timestamps): dont set timestamps in update if user set it #5045
• fix(update): dont double-call setters on arrays #5041
• fix: upgrade driver -> 2.2.25 for jest fix #5033
• fix(model): get promise each time save() is called rather than once #5030
• fix(connection): make connect return value consistent #5006

4.9.0 / 2017-03-13

• feat(document): return this from depopulate() #5027
• fix(drivers): stop emitting timeouts as errors #5026
• feat(schema): add a clone() function for schemas #4983
• feat(query): add rawResult option to replace passRawResult, deprecate passRawResult #4977 #4925
• feat(schematype): support isAsync validator option and handle returning promises from validators, deprecate implicit async validators #4290
• feat(query): add replaceOne(), deleteOne(), deleteMany() #3998
• feat(model): add bulkWrite() #3998

4.8.7 / 2017-03-12

• fix(model): if last arg in spread is falsy, treat it as a callback #5061
• fix(document): use $hook instead of hook to enable 'hook' as a path name #5047
• fix(populate): dont select foreign field if parent field is selected #5037
• fix(populate): handle passing no args to query.populate #5036
• fix(update): use correct method for casting nested arrays #5032
• fix(discriminator): handle array discriminators when casting $push #5009

4.8.6 / 2017-03-05

• docs(document): remove text that implies that transform is false by default #5023
• fix(applyHooks): dont wrap a function if it is already wrapped #5019
• fix(document): ensure nested docs' toObject() clones #5008

4.8.5 / 2017-02-25

• fix: check for empty schemaPath before accessing property $isMongooseDocumentArray #5017 https://github.com/randyhoulahan
• fix(discriminators): handle create() and push() for embedded discriminators #5001
• fix(querycursor): ensure close emitted after last data event #4998
• fix(discriminators): remove fields not selected in child when querying by base model #4991

4.8.4 / 2017-02-19

• docs(discriminators): explain embedded discriminators #4997
• fix(query): fix TypeError when findOneAndUpdate errors #4990
• fix(update): handle nested single embedded in update validators correctly #4989
• fix(browser): make browser doc constructor not crash #4987

4.8.3 / 2017-02-15

• chore: upgrade mongodb driver -> 2.2.24
• docs(connections): addd some details about callbacks #4986
• fix: ensure class is created with new keyword #4972 #4947 benhjames
• fix(discriminator): add applyPluginsToDiscriminators option #4965
• fix(update): properly cast array subdocs when casting update #4960
• fix(populate): ensure foreign field is selected for virtual populate #4959
• docs(query): document some query callback params #4949
• fix(document): ensure errors in validators get caught #2185

4.8.2 / 2017-02-10

• fix(update): actually run validators on addToSet #4953
• fix(update): improve buffer error handling #4944 ValYouW
• fix(discriminator): handle subclassing with loadClass correctly #4942
• fix(query): allow passing Map to sort() #4941
• fix(document): handle setting discriminator doc #4935
• fix(schema): return correct value from pre init hook #4928
• fix(query): ensure consistent params in error handlers if pre hook errors #4927

4.8.1 / 2017-01-30

• fix(query): handle $exists for arrays and embedded docs #4937
• fix(query): handle passing string to hint() #4931

4.8.0 / 2017-01-28

• feat(schema): add saveErrorIfNotFound option and $where property #4924 #4004
• feat(query): add $in implicitly if passed an array #4912 QuotableWater7
• feat(aggregate): helper for $facet #4904 varunjayaraman
• feat(query): add collation method #4839
• feat(schema): propogate strict option to implicit array subschemas #4831 dkrosso
• feat(aggregate): add helper for graphLookup #4819 varunjayaraman
• feat(types): support Decimal128 #4759
• feat(aggregate): add eachAsync() to aggregate cursor #4300
• feat(query): add updateOne and updateMany #3997
• feat(model): support options for insertMany #3893
• fix(document): run validation on single nested docs if not directly modified #3884
• feat(model): use discriminator constructor based on discriminatorKey in create() #3624
• feat: pass collection as context to debug function #3261
• feat(query): support push and addToSet for update validators #2933
• perf(document): refactor registerHooksFromSchema so hooks are defined on doc prototype #2754
• feat(types): add discriminator() function to doc arrays #2723 #1856
• fix(populate): return an error if sorting underneath a doc array #2202

4.7.9 / 2017-01-27

• fix(query): handle casting $exists under $not #4933
• chore: upgrade mongodb -> 2.2.22 re: #4931

4.7.8 / 2017-01-23

• fix(populate): better handling for virtual populate under arrays #4923
• docs: upgrade contributors count #4918 AdamZaczek
• fix(query): don't set nested path default if setting parent path #4911
• docs(promise): add missing bracket #4907
• fix(connection): ensure error handling is consistently async #4905
• fix: handle authMechanism in query string #4900
• fix(document): ensure error handlers run for validate #4885

4.7.7 / 2017-01-15

• fix(utils): don't crash if to[key] is null #4881
• fix: upgrade mongodb -> 2.2.21 #4867
• fix: add a toBSON to documents for easier querying #4866
• fix: suppress bluebird warning #4854 davidwu226
• fix(populate): handle nested virtuals in virtual populate #4851

4.7.6 / 2017-01-02

• fix(model): allow passing non-array to insertMany #4846
• fix(populate): use base model name if no discriminator for backwards compat #4843
• fix: allow internal validate callback to be optional #4842 arciisine
• fix(document): don't skip pointCut if save not defined (like in browser doc) #4841
• chore: improve benchmarks #4838 billouboq
• perf: remove some unused parameters #4837 billouboq
• fix(query): don't call error handler if passRawResult is true and no error occurred #4836

4.7.5 / 2016-12-26

• docs(model): fix spelling mistake #4828 paulinoj
• fix(aggregate): remove unhandled rejection when using aggregate.then() #4824
• perf: remove try/catch that kills optimizer #4821
• fix(model): handles populating with discriminators that may not have a ref #4817
• fix(document): handle setting array of discriminators #3575

4.7.4 / 2016-12-21

• docs: fix typo #4810 GEEKIAM
• fix(query): timestamps with $push + $each #4805
• fix(document): handle buffers correctly in minimize #4800
• fix: don't disallow overwriting default and cast fns #4795 pdspicer
• fix(document): don't convert single nested docs to POJOs #4793
• fix(connection): handle reconnect to replica set correctly #4972 gfzabarino

4.7.3 / 2016-12-16

• fix: upgrade mongodb driver -> 2.2.16 for several bug fixes and 3.4 support #4799
• fix(model): ensure discriminator key is correct for child schema on discriminator #4790
• fix(document): handle mark valid in subdocs correctly #4778
• fix(query): check for objects consistently #4775

4.7.2 / 2016-12-07

• test(populate): fix justOne test #4772 cblanc
• chore: fix benchmarks #4769 billouboq
• fix(document): handle setting subdoc to null after setting parent doc #4766
• fix(query): support passRawResult with lean #4762 #4761 mhfrantz
• fix(query): throw StrictModeError if upsert with nonexisting field in condition #4757
• test: fix a couple of sort tests #4756 japod
• chore: upgrade mongodb driver -> 2.2.12 #4753 mdlavin
• fix(query): handle update with upsert and overwrite correctly #4749

4.7.1 / 2016-11-30

• fix(schema): throw error if you use prototype as a schema path #4746
• fix(schema): throw helpful error if you define a virtual with the same path as a real path #4744
• fix(connection): make createConnection not throw rejected promises #4742
• fix(populate): allow specifiying options in model schema #4741
• fix(document): handle selected nested elements with defaults #4739
• fix(query): add model to cast error if possible #4729
• fix(query): handle timestamps with overwrite #4054

4.7.0 / 2016-11-23

• docs: clean up schematypes #4732 kidlj
• perf: only get stack when necessary with VersionError #4726 Sebmaster
• fix(query): ensure correct casting when setting array element #4724
• fix(connection): ensure db name gets set when you pass 4 params #4721
• fix: prevent TypeError in node v7 #4719 #4706
• feat(document): support .set() on virtual subpaths #4716
• feat(populate): support populate virtuals on nested schemas #4715
• feat(querycursor): support transform option and .map() #4714 #4705 cblanc
• fix(document): dont set defaults on not-selected nested paths #4707
• fix(populate): don't throw if empty string passed to populate #4702
• feat(model): add loadClass() function for importing schema from ES6 class #4668 rockmacaca

4.6.8 / 2016-11-14

• fix(querycursor): clear stack when iterating onto next doc #4697
• fix: handle null keys in validation error #4693 #4689 arciisine
• fix(populate): handle pre init middleware correctly with populate virtuals #4683
• fix(connection): ensure consistent return value for open and openSet #4659
• fix(schema): handle falsy defaults for arrays #4620

4.6.7 / 2016-11-10

• fix(document): only invalidate in subdoc if using update validators #4681
• fix(document): don't create subdocs when excluded in projection #4669
• fix(document): ensure single embedded schema validator runs with correct context #4663
• fix(document): make sure to depopulate top level for sharding #4658
• fix(connection): throw more helpful error when .model() called incorrectly #4652
• fix(populate): throw more descriptive error when trying to populate a virtual that doesn't have proper options #4602
• fix(document): ensure subtype gets set properly when saving with a buffer id #4506
• fix(query): handle setDefaultsOnInsert with defaults on doc arrays #4456
• fix(drivers): make debug output better by calling toBSON() #4356

4.6.6 / 2016-11-03

• chore: upgrade deps #4674 TrejGun
• chore: run tests on node v7 #4673 TrejGun
• perf: make setDefaultsOnInsert more efficient if upsert is off #4672 CamHenlin
• fix(populate): ensure document array is returned #4656
• fix(query): cast doc arrays with positionals correctly for update #4655
• fix(document): ensure single nested doc validators run with correct context #4654
• fix: handle reconnect failed error in new version of driver #4653 loris
• fix(populate): if setting a populated doc, take its id #4632
• fix(populate): handle populated virtuals in init #4618

4.6.5 / 2016-10-23

• docs: fix grammar issues #4642 #4640 #4639 silvermanj7
• fix(populate): filter out nonexistant values for dynref #4637
• fix(query): handle $type as a schematype operator #4632
• fix(schema): better handling for uppercase: false and lowercase: false #4622
• fix(query): don't run transforms on updateForExec() #4621
• fix(query): handle id = 0 in findById #4610
• fix(query): handle buffers in mergeClone #4609
• fix(document): handle undefined with conditional validator for validateSync #4607
• fix: upgrade to mongodb driver 2.2.11 #4581
• docs(schematypes): clarify schema.path() #4518
• fix(query): ensure path is defined before checking in timestamps #4514
• fix(model): set version key in upsert #4505
• fix(document): never depopulate top-level doc #3057
• refactor: ensure sync for setting non-capped collections #2690

4.6.4 / 2016-10-16

• fix(query): cast $not correctly #4616 #4592 prssn
• fix: address issue with caching global plugins #4608 #4601 TrejGun
• fix(model): make sure to depopulate in insertMany #4590
• fix(model): buffer autoIndex if bufferCommands disabled #4589
• fix(populate): copy ids array before modifying #4585
• feat(schema): add retainKeyOrder prop #4542
• fix(document): return isModified true for children of direct modified paths #4528
• fix(connection): add dropDatabase() helper #4490
• fix(model): add usePushEach option for schemas #4455
• docs(connections): add some warnings about buffering #4413
• fix: add ability to set promise implementation in browser #4395

4.6.3 / 2016-10-05

• fix(document): ensure single nested docs get initialized correctly when setting nested paths #4578
• fix: turn off transforms when writing nested docs to db #4574
• fix(document): don't set single nested subdocs to null when removing parent doc #4566
• fix(model): ensure versionKey gets set in insertMany #4561
• fix(schema): handle typeKey in arrays #4548
• feat(schema): set $implicitlyCreated on schema if created by interpretAsType #4443

4.6.2 / 2016-09-30

• chore: upgrade to async 2.0.1 internally #4579 billouboq
• fix(types): ensure nested single doc schema errors reach update validators #4557 #4519
• fix(connection): handle rs names with leading numbers (muri 1.1.1) #4556
• fix(model): don't throw if method name conflicts with Object.prototype prop #4551
• docs: fix broken link #4544 VFedyk
• fix: allow overwriting model on mongoose singleton #4541 Nainterceptor
• fix(document): don't use init: true when building doc defaults #4540
• fix(connection): use replSet option if replset not specified #4535
• fix(query): cast $not objects #4495

4.6.1 / 2016-09-20

• fix(query): improve handling of $not with $elemMatch #4531 #3719 timbowhite
• fix: upgrade mongodb -> 2.2.10 #4517
• chore: fix webpack build issue #4512 saiichihashimoto
• fix(query): emit error on next tick when exec callback errors #4500
• test: improve test case #4496 isayme
• fix(schema): use same check for array types and top-level types #4493
• style: fix indentation in docs #4489 dhurlburtusa
• fix(schema): expose original object passed to constructor #4486
• fix(query): handle findOneAndUpdate with array of arrays #4484 #4470 fedotov
• feat(document): add $ignore to make a path ignored #4480
• fix(query): properly handle setting single embedded in update #4475 #4466 #4465
• fix(updateValidators): handle single nested schema subpaths correctly #4479
• fix(model): throw handy error when method name conflicts with property name #4475
• fix(schema): handle .set() with array field #4472
• fix(query): check nested path when avoiding double-validating Mixed #4441
• fix(schema): handle calling path.trim() with no args correctly #4042

4.6.0 / 2016-09-02

• docs(document): clarify the findById and findByIdAndUpdate examples #4471 mdcanham
• docs(schematypes): add details re: options #4452
• docs(middleware): add docs for insertMany hooks #4451
• fix(schema): create new array when copying from existing object to preserve change tracking #4449
• docs: fix typo in index.jade #4448
• fix(query): allow array for populate options #4446
• fix(model): create should not cause unhandle reject promise #4439
• fix: upgrade to mongodb driver 2.2.9 #4363 #4341 #4311 (see comments here if you use node 0.10)

4.5.10 / 2016-08-23

• docs: fix typo on documents.jade #4444 Gabri3l
• chore: upgrade mocha to 3.0.2 #4437 TrejGun
• fix: subdocuments causing error with parent timestamp on update #4434 dyang108
• fix(query): don't crash if timestamps on and update doesn't have a path #4425 #4424 #4418
• fix(query): ensure single nested subdoc is hydrated when running update validators #4420
• fix(query): cast non-$geometry operators for $geoWithin #4419
• docs: update contributor count #4415 AdamZaczek
• docs: add more clarification re: the index event #4410
• fix(document): only skip modifying subdoc path if parent is direct modified #4405
• fix(schema): throw cast error if provided date invalid #4404
• feat(error): use util.inspect() so CastError never prints "[object Object]" #4398
• fix(model): dont error if the discriminator key is unchanged #4387
• fix(query): don't throw unhandled rejection with bluebird when using cbs #4379

4.5.9 / 2016-08-14

• docs: add mixed schema doc for Object literal #4400 Kikobeats
• fix(query): cast $geoWithin and convert mongoose objects to POJOs before casting #4392
• fix(schematype): dont cast defaults without parent doc #4390
• fix(query): disallow passing empty string to findOne() #4378
• fix(document): set single nested doc isNew correctly #4369
• fix(types): checks field name correctly with nested arrays and populate #4365
• fix(drivers): make debug output copy-pastable into mongodb shell #4352
• fix(services): run update validators on nested paths #4332
• fix(model): handle typeKey with discriminators #4339
• fix(query): apply timestamps to child schemas when explicitly specified in update #4049
• fix(schema): set prefix as nested path with add() #1730

4.5.8 / 2016-08-01

• fix(model): make changing the discriminator key cause a cast error #4374
• fix(query): pass projection fields to cursor #4371 #4342 Corei13
• fix(document): support multiple paths for isModified #4370 adambuczynski
• fix(querycursor): always cast fields before returning cursor #4355
• fix(query): support projection as alias for fields in findOneAndUpdate #4315
• fix(schema): treat index false + unique false as no index #4304
• fix(types): dont mark single nested subpath as modified if whole doc already modified #4224

4.5.7 / 2016-07-25

• fix(document): ensure no unhandled rejections if callback specified for save #4364

4.5.6 / 2016-07-23

• fix(schema): don't overwrite createdAt if it isn't selected #4351 tusbar
• docs(api): fix link to populate() and add a new one from depopulate() #4345 Delapouite
• fix(types): ownerDocument() works properly with single nested docs #4344 vichle
• fix(populate): dont use findOne when justOne option set #4329
• fix(document): dont trigger .then() deprecated warning when calling doc.remove() #4291
• docs(connection): add promiseLibrary option #4280
• fix(plugins): apply global plugins to subschemas #4271
• fix(model): ensure ensureIndex() never calls back in the same tick #4246
• docs(schema): improve post hook docs on schema #4238

4.5.5 / 2016-07-18

• fix(document): handle setting root to empty obj if minimize false #4337
• fix: downgrade to mongodb 2.1.18 #4335 #4334 #4328 #4323
• perf(types): remove defineProperty usage in documentarray #4333
• fix(query): correctly pass model in .toConstructor() #4318
• fix(services): avoid double-validating mixed types with update validators #4305
• docs(middleware): add docs describing error handling middleware #4229
• fix(types): throw correct error when invalidating doc array #3602

4.5.4 / 2016-07-11

• fix(types): fix removing embedded documents #4309 RoCat
• docs: various docs improvements #4302 #4294 simonxca
• fix: upgrade mongodb -> 2.1.21 #4295 #4202 RoCat
• fix(populate): convert single result to array for virtual populate because of lean #4288
• fix(populate): handle empty results for populate virtuals properly #4285 #4284
• fix(query): dont cast $inc to number if type is long #4283
• fix(types): allow setting single nested doc to null #4281
• fix(populate): handle deeply nested virtual populate #4278
• fix(document): allow setting empty obj if strict mode is false #4274
• fix(aggregate): allow passing obj to .unwind() #4239
• docs(document): add return statements to transform examples #1963

4.5.3 / 2016-06-30

• fix(query): pass correct options to QueryCursor #4277 #4266
• fix(querycursor): handle lean option correctly #4276 gchudnov
• fix(document): fix error handling when no error occurred #4275
• fix(error): use strict mode for version error #4272
• docs(populate): fix crashing compilation for populate.jade #4267
• fix(populate): support justOne option for populate virtuals #4263
• fix(populate): ensure model param gets used for populate virtuals #4261 #4243
• fix(querycursor): add ability to properly close the cursor #4258
• docs(model): correct link to Document #4250
• docs(populate): correct path for refPath populate #4240
• fix(document): support validator.isEmail as validator #4064

4.5.2 / 2016-06-24

• fix(connection): add checks for collection presence for onOpen and onClose #4259 nodkz
• fix(cast): allow strings for $type operator #4256
• fix(querycursor): support lean() #4255 pyramation
• fix(aggregate): allow setting noCursorTimeout option #4241
• fix(document): handle undefined for Array.pull #4222 Sebmaster
• fix(connection): ensure promise.catch() catches initial connection error #4135
• fix(document): show additional context for VersionError #2633

4.5.1 / 2016-06-18

• fix(model): ensure wrapped insertMany() returns a promise #4237
• fix(populate): dont overwrite populateVirtuals when populating multiple paths #4234
• docs(model): clarify relationship between create() and save() #4233
• fix(types): handle option param in subdoc remove() #4231 tdebarochez
• fix(document): dedupe modified paths #4226 #4223 adambuczynski
• fix(model): don't modify user-provided options object #4221
• fix(document): handle setting nested path to empty object #4218 #4182
• fix(document): clean subpaths when removing single nested #4216
• fix(document): don't force transform on subdocs with inspect #4213
• fix(error): allow setting .messages object #4207

4.5.0 / 2016-06-13

• feat(query): added Query.prototype.catch() #4215 #4173 adambuczynski
• feat(query): add Query.prototype.cursor() as a .stream() alternative #4117 #3637 #1907
• feat(document): add markUnmodified() function #4092 vincentcr
• feat(aggregate): convert aggregate object to a thenable #3995 #3946 megagon
• perf(types): remove defineProperties call for array (Note: Because of this, a mongoose array will no longer assert.deepEqual() a plain old JS array) #3886
• feat(model): add hooks for insertMany() #3846
• feat(schema): add support for custom query methods #3740 #2372
• feat(drivers): emit error on 'serverClosed' because that means that reconnect failed #3615
• feat(model): emit error event when callback throws exception #3499
• feat(model): inherit options from discriminator base schema #3414 #1818
• feat(populate): expose mongoose-populate-virtuals inspired populate API #2562
• feat(document): trigger remove hooks on subdocs when removing parent #2348
• feat(schema): add support for express-style error handling middleware #2284
• fix(model): disallow setting discriminator key #2041
• feat(schema): add support for nested arrays #1361

4.4.20 / 2016-06-05

• docs: clarify command buffering when using driver directly #4195
• fix(promise): correct broken mpromise .catch() #4189
• fix(document): clean modified subpaths when set path to empty obj #4182
• fix(query): support minDistance with query casting and .near() #4179
• fix(model): remove unnecessary .save() promise #4177
• fix(schema): cast all valid ObjectId strings to object ids #3365
• docs: remove unclear "unsafe" term in query docs #3282

4.4.19 / 2016-05-21

• fix(model): handle insertMany if timestamps not set #4171

4.4.18 / 2016-05-21

• docs: add missing period #4170 gitname
• docs: change build badge to svg #4158 a0viedo
• fix(model): update timestamps when setting createdAt #4155
• fix(utils): make sure to require in document properly #4152
• fix(model): throw overwrite error when discriminator name conflicts #4148

4.4.17 / 2016-05-13

• docs: remove repetition in QueryStream docs #4147 hugoabonizio
• fix(document): dont double-validate doc array elements #4145
• fix(document): call required function with correct scope #4142 JedWatson

4.4.16 / 2016-05-09

• refactor(document): use function reference #4133 dciccale
• docs(querystream): clarify destroy() and close event #4126 AnthonyCC
• test: make before hook fail fast if it can't connect #4121
• docs: add description of CastError constructor params #4120
• fix(schematype): ensure single embedded defaults have $parent #4115
• fix(document): mark nested paths for validation #4111
• fix(schema): make sure element is always a subdoc in doc array validation #3816

4.4.15 / 2016-05-06

• fix(schema): support overwriting array default #4109
• fix(populate): assign values when resolving each populate #4104
• fix(aggregate): dont send async option to server #4101
• fix(model): ensure isNew set to false after insertMany #4099
• fix(connection): emit on error if listeners and no callback #4098
• fix(document): treat required fn that returns false as required: false #4094

4.4.14 / 2016-04-27

• fix: upgrade mongodb -> 2.1.18 #4102
• feat(connection): allow setting mongos as a uri query param #4093 #4035 burtonjc
• fix(populate): make sure to use correct assignment order for each model #4073
• fix(schema): add complete set of geospatial operators for single embedded subdocs #4014

3.8.40 / 2016-04-24

• upgraded; mquery -> 1.10.0 #3989

4.4.13 / 2016-04-21

• docs: add docs favicons #4082 robertjustjones
• docs(model): correct Model.remove() return value #4075 Jokero
• fix(query): add $geoWithin query casting for single embedded docs #4044
• fix(schema): handle setting trim option to falsy #4042
• fix(query): handle setDefaultsOnInsert with empty update #3835

4.4.12 / 2016-04-08

• docs(query): document context option for update and findOneAndUpdate #4055
• docs(query): correct link to $geoWithin docs #4050
• fix(project): upgrade to mongodb driver 2.1.16 #4048 schmalliso
• docs(validation): fix validation docs #4028
• fix(types): improve .id() check for document arrays #4011
• fix(query): remove premature return when using $rename #3171
• docs(connection): clarify relationship between models and connections #2157

4.4.11 / 2016-04-03

• fix: upgrade to mongodb driver 2.1.14 #4036 #4030 #3945
• fix(connection): allow connecting with { mongos: true } to handle query params #4032 burtonjc
• docs(connection): add autoIndex example #4026 tilleps
• fix(query): handle passRawResult option when zero results #4023
• fix(populate): clone options before modifying #4022
• docs: add missing whitespace #4019 chenxsan
• chore: upgrade to ESLint 2.4.0 #4015 ChristianMurphy
• fix(types): single nested subdocs get ids by default #4008
• chore(project): add dependency status badge #4007 Maheshkumar-Kakade
• fix: make sure timestamps don't trigger unnecessary updates #4005 #3991 tommarien
• fix(document): inspect inherits schema options #4001
• fix(populate): don't mark populated path as modified if setting to object w/ same id #3992
• fix(document): support kind argument to invalidate #3965

4.4.10 / 2016-03-24

• fix(document): copy isNew when copying a document #3982
• fix(document): don't override defaults with undefined keys #3981
• fix(populate): merge multiple deep populate options for the same path #3974

4.4.9 / 2016-03-22

• fix: upgrade mongodb -> 2.1.10 re https://jira.mongodb.org/browse/NODE-679 #4010
• docs: add syntax highlighting for acquit examples #3975

4.4.8 / 2016-03-18

• docs(aggregate): clarify promises #3990 megagon
• fix: upgrade mquery -> 1.10 #3988 matskiv
• feat(connection): 'all' event for repl sets #3986 xizhibei
• docs(types): clarify Array.pull #3985 seriousManual
• feat(query): support array syntax for .sort() via mquery 1.9 #3980
• fix(populate): support > 3 level nested populate #3973
• fix: MongooseThenable exposes connection correctly #3972
• docs(connection): add note about reconnectTries and reconnectInterval #3969
• feat(document): invalidate returns the new validationError #3964
• fix(query): .eq() as shorthand for .equals #3953 Fonger
• docs(connection): clarify connection string vs passed options #3941
• docs(query): select option for findOneAndUpdate #3933
• fix(error): ValidationError.properties no longer enumerable #3925
• docs(validation): clarify how required validators work with nested schemas #3915
• fix: upgrade mongodb driver -> 2.1.8 to make partial index errors more sane #3864

4.4.7 / 2016-03-11

• fix(query): stop infinite recursion caused by merging a mongoose buffer #3961
• fix(populate): handle deep populate array -> array #3954
• fix(schema): allow setting timestamps with .set() #3952 #3951 #3907 Fonger
• fix: MongooseThenable doesn't overwrite constructors #3940
• fix(schema): don't cast boolean to date #3935
• fix(drivers): support sslValidate in connection string #3929
• fix(types): correct markModified() for single nested subdocs #3910
• fix(drivers): catch and report any errors that occur in driver methods #3906
• fix(populate): get subpopulate model correctly when array under nested #3904
• fix(document): allow fields named 'pre' and 'post' #3902
• docs(query): clarify runValidators and setDefaultsOnInsert options #3892
• docs(validation): show how to use custom required messages in schema #2616

4.4.6 / 2016-03-02

• fix: upgrade mongodb driver to 2.1.7 #3938
• docs: fix plugins link #3917 #3909 fbertone
• fix(query): sort+select with count works #3914
• fix(query): improve mergeUpdate's ability to handle nested docs #3890

4.4.5 / 2016-02-24

• fix(query): ability to select a length field (upgrade to mquery 1.7.0) #3903
• fix: include nested CastError as reason for array CastError #3897 kotarou3
• fix(schema): check for doc existence before taking fields #3889
• feat(schema): useNestedStrict option to take nested strict mode for update #3883
• docs(validation): clarify relationship between required and checkRequired #3822
• docs(populate): dynamic reference docs #3809
• docs: expand dropdown when clicking on file name #3807
• docs: plugins.mongoosejs.io is up #3127
• fix(schema): ability to add a virtual with same name as removed path #2398

4.4.4 / 2016-02-17

• fix(schema): handle field selection when casting single nested subdocs #3880
• fix(populate): populating using base model with multiple child models in result #3878
• fix: ability to properly use return value of mongoose.connect() #3874
• fix(populate): dont hydrate populated subdoc if lean option set #3873
• fix(connection): dont re-auth if already connected with useDb #3871
• docs: cover how to set underlying driver's promise lib #3869
• fix(document): handle conflicting names in validation errors with subdocs #3867
• fix(populate): set undefined instead of null consistently when populate couldn't find results #3859
• docs: link to execPopulate() in doc.populate() docs #3836
• docs(plugin): link to the mongoose.plugin() function #3732

4.4.3 / 2016-02-09

• fix: upgrade to mongodb 2.1.6 to remove kerberos log output #3861 #3860 cartuchogl
• fix: require('mongoose') is no longer a pseudo-promise #3856
• fix(query): update casting for single nested docs #3820
• fix(populate): deep populating multiple paths with same options #3808
• docs(middleware): clarify save/validate hook order #1149

4.4.2 / 2016-02-05

• fix(aggregate): handle calling .cursor() with no options #3855
• fix: upgrade mongodb driver to 2.1.5 for GridFS memory leak fix #3854
• docs: fix schematype.html conflict #3853 #3850 #3843
• fix(model): bluebird unhandled rejection with ensureIndexes() on init #3837
• docs: autoIndex option for createConnection #3805

4.4.1 / 2016-02-03

• fix: linting broke some cases where we use == null as shorthand #3852
• docs: fix up schematype.html conflict #3848 #3843 mynameiscoffey
• fix: backwards breaking change with .connect() return value #3847
• docs: downgrade dox and highlight.js to fix docs build #3845
• docs: clean up typo #3842 Flash-
• fix(document): storeShard handles undefined values #3841
• chore: more linting #3838 TrejGun
• fix(schema): handle text: true as a way to declare a text index #3824

4.4.0 / 2016-02-02

• docs: fix expireAfterSeconds index option name #3831 Flash-
• chore: run lint after test #3829 ChristianMurphy
• chore: use power-assert instead of assert #3828 TrejGun
• chore: stricter lint #3827 TrejGun
• feat(types): casting moment to date #3813 TrejGun
• chore: comma-last lint for test folder #3810 ChristianMurphy
• fix: upgrade async mpath, mpromise, muri, and sliced #3801 TrejGun
• fix(query): geo queries now return proper ES2015 promises #3800 TrejGun
• perf(types): use Object.defineProperties() for array #3799 TrejGun
• fix(model): mapReduce, ensureIndexes, remove, and save properly return ES2015 promises #3795 #3628 #3595 TrejGun
• docs: fixed dates in History.md #3791 Jokero
• feat: connect, open, openSet, and disconnect return ES2015 promises #3790 #3622 TrejGun
• feat: custom type for int32 via mongoose-int32 npm package #3652 #3102
• feat: basic custom schema type API #995
• feat(model): insertMany() for more performant bulk inserts #723

4.3.7 / 2016-01-23

• docs: grammar fix in timestamps docs #3786 zclancy
• fix(document): setting nested populated docs #3783 slamuu
• fix(document): don't call post save hooks twice for pushed docs #3780
• fix(model): handle _id=0 correctly #3776
• docs(middleware): async post hooks #3770
• docs: remove confusing sentence #3765 marcusmellis89

3.8.39 / 2016-01-15

• fixed; casting a number to a buffer #3764
• fixed; enumerating virtual property with nested objects #3743 kusold

4.3.6 / 2016-01-15

• fix(types): casting a number to a buffer #3764
• fix: add "listener" to reserved keywords #3759
• chore: upgrade uglify #3757 ChristianMurphy
• fix: broken execPopulate() in 4.3.5 #3755 #3753
• fix: ability to remove() a single embedded doc #3754
• style: comma-last in test folder #3751 ChristianMurphy
• docs: clarify versionKey option #3747
• fix: improve colorization for arrays #3744 TrejGun
• fix: webpack build #3713

4.3.5 / 2016-01-09

• fix(query): throw when 4th parameter to update not a function #3741 kasselTrankos
• fix(document): separate error type for setting an object to a primitive #3735
• fix(populate): Model.populate returns ES6 promise #3734
• fix(drivers): re-register event handlers after manual reconnect #3729
• docs: broken links #3727
• fix(validation): update validators run array validation #3724
• docs: clarify the need to use markModified with in-place date ops #3722
• fix(document): mark correct path as populated when manually populating array #3721
• fix(aggregate): support for array pipeline argument to append #3718 dbkup
• docs: clarify .connect() callback #3705
• fix(schema): properly validate nested single nested docs #3702
• fix(types): handle setting documentarray of wrong type #3701
• docs: broken links #3700
• fix(drivers): debug output properly displays '0' #3689

3.8.38 / 2016-01-07

• fixed; aggregate.append an array #3730 dbkup

4.3.4 / 2015-12-23

• fix: upgrade mongodb driver to 2.1.2 for repl set error #3712 sansmischevia
• docs: validation docs typo #3709 ivanmaeder
• style: remove unused variables #3708 ChristianMurphy
• fix(schema): duck-typing for schemas #3703 mgcrea
• docs: connection sample code issue #3697
• fix(schema): duck-typing for schemas #3693 mgcrea
• docs: clarify id schema option #3638

4.3.3 / 2015-12-18

• fix(connection): properly support 'replSet' as well as 'replset' #3688 taxilian
• fix(document): single nested doc pre hooks called before nested doc array #3687 aliatsis

4.3.2 / 2015-12-17

• fix(document): .set() into single nested schemas #3686
• fix(connection): support 'replSet' as well as 'replset' option #3685
• fix(document): bluebird unhandled rejection when validating doc arrays #3681
• fix(document): hooks for doc arrays in single nested schemas #3680
• fix(document): post hooks for single nested schemas #3679
• fix: remove unused npm module #3674 sybarite
• fix(model): don't swallow exceptions in nested doc save callback #3671
• docs: update keepAlive info #3667 ChrisZieba
• fix(document): strict 'throw' throws a specific mongoose error #3662
• fix: flakey test #3332
• fix(query): more robust check for RegExp #2969

4.3.1 / 2015-12-11

• feat(aggregate): .sample() helper #3665
• fix(query): bitwise query operators with buffers #3663
• docs(migration): clarify new option and findByIdAndUpdate #3661

4.3.0 / 2015-12-09

• feat(query): support for mongodb 3.2 bitwise query operators #3660
• style: use comma-last style consistently #3657 ChristianMurphy
• feat: upgrade mongodb driver to 2.1.0 for full MongoDB 3.2 support #3656
• feat(aggregate): .lookup() helper #3532

4.2.10 / 2015-12-08

• fixed; upgraded marked #3653 ChristianMurphy
• docs; cross-db populate #3648
• docs; update mocha URL #3646 ojhaujjwal
• fixed; call close callback asynchronously #3645
• docs; virtuals.html issue #3644 Psarna94
• fixed; single embedded doc casting on init #3642
• docs; validation docs improvements #3640

4.2.9 / 2015-12-02

• docs; defaults docs #3625
• fix; nested numeric keys causing an embedded document crash #3623
• fix; apply path getters before virtual getters #3618
• fix; casting for arrays in single nested schemas #3616

4.2.8 / 2015-11-25

• docs; clean up README links #3612 ReadmeCritic
• fix; ESLint improvements #3605 ChristianMurphy
• fix; assigning single nested subdocs #3601
• docs; describe custom logging functions in mongoose.set() docs #3557

4.2.7 / 2015-11-20

• fixed; readPreference connection string option #3600
• fixed; pulling from manually populated arrays #3598 #3579
• docs; FAQ about OverwriteModelError #3597 stcruy
• fixed; setting single embedded schemas to null #3596
• fixed; indexes for single embedded schemas #3594
• docs; clarify projection for findOne() #3593 gunar
• fixed; .ownerDocument() method on single embedded schemas #3589
• fixed; properly throw casterror for query on single embedded schema #3580
• upgraded; mongodb driver -> 2.0.49 for reconnect issue fix #3481

4.2.6 / 2015-11-16

• fixed; ability to manually populate an array #3575
• docs; clarify isAsync parameter to hooks #3573
• fixed; use captureStackTrace if possible instead #3571
• fixed; crash with buffer and update validators #3565 johnpeb
• fixed; update casting with operators overwrite: true #3564
• fixed; validation with single embedded docs #3562
• fixed; inline docs inherit parents $type key #3560
• docs; bad grammar in populate docs #3559 amaurymedeiros
• fixed; properly handle populate option for find() #2321

3.8.37 / 2015-11-16

• fixed; use retainKeyOrder for cloning update op #3572

4.2.5 / 2015-11-09

• fixed; handle setting fields in pre update hooks with exec #3549
• upgraded; ESLint #3547 ChristianMurphy
• fixed; bluebird unhandled rejections with cast errors and .exec #3543
• fixed; min/max validators handling undefined #3539
• fixed; standalone mongos connections #3537
• fixed; call .toObject() when setting a single nested doc #3535
• fixed; single nested docs now have methods #3534
• fixed; single nested docs with .create() #3533 #3521 tusbar
• docs; deep populate docs #3528
• fixed; deep populate schema ref handling #3507
• upgraded; mongodb driver -> 2.0.48 for sort overflow issue #3493
• docs; clarify default ids for discriminators #3482
• fixed; properly support .update(doc) #3221

4.2.4 / 2015-11-02

• fixed; upgraded ms package for security vulnerability #3524 fhemberger
• fixed; ESlint rules #3517 ChristianMurphy
• docs; typo in aggregation docs #3513 rafakato
• fixed; add dontThrowCastError option to .update() for promises #3512
• fixed; don't double-cast buffers in node 4.x #3510 #3496
• fixed; population with single embedded schemas #3501
• fixed; pre('set') hooks work properly #3479
• docs; promises guide #3441

4.2.3 / 2015-10-26

• docs; remove unreferenced function in middleware.jade #3506
• fixed; handling auth with no username/password #3500 #3498 #3484 mleanos
• fixed; more ESlint rules #3491 ChristianMurphy
• fixed; swallowing exceptions in save callback #3478
• docs; fixed broken links in subdocs guide #3477
• fixed; casting booleans to numbers #3475
• fixed; report CastError for subdoc arrays in findOneAndUpdate #3468
• fixed; geoNear returns ES6 promise #3458

4.2.2 / 2015-10-22

• fixed; go back to old pluralization code #3490

4.2.1 / 2015-10-22

• fixed; pluralization issues #3492 ChristianMurphy

4.2.0 / 2015-10-22

• added; support for skipVersioning for document arrays #3467 chazmo03
• added; ability to customize schema 'type' key #3459 #3245
• fixed; writeConcern for index builds #3455
• added; emit event when individual index build starts #3440 objectiveSee
• added; 'context' option for update validators #3430
• refactor; pluralization now in separate pluralize-mongoose npm module #3415 ChristianMurphy
• added; customizable error validation messages #3406 geronime
• added; support for passing 'minimize' option to update #3381
• added; ability to customize debug logging format #3261
• added; baseModelName property for discriminator models #3202
• added; 'emitIndexErrors' option #3174
• added; 'async' option for aggregation cursor to support buffering #3160
• added; ability to skip validation for individual save() calls #2981
• added; single embedded schema support #2689 #585
• added; depopulate function #2509

4.1.12 / 2015-10-19

• docs; use readPreference instead of slaveOk for Query.setOptions docs #3471 buunguyen
• fixed; more helpful error when regexp contains null bytes #3456
• fixed; x509 auth issue #3454 NoxHarmonium

3.8.36 / 2015-10-18

• fixed; Make array props non-enumerable #3461 boblauer

4.1.11 / 2015-10-12

• fixed; update timestamps for update() if they're enabled #3450 isayme
• fixed; unit test error on node 0.10 #3449 isayme
• docs; timestamp option docs #3448 isayme
• docs; fix unexpected indent #3443 isayme
• fixed; use ES6 promises for Model.prototype.remove() #3442
• fixed; don't use unused 'safe' option for index builds #3439
• fixed; elemMatch casting bug #3437 #3435 DefinitelyCarter
• docs; schema.index docs #3434
• fixed; exceptions in save() callback getting swallowed on mongodb 2.4 #3371

4.1.10 / 2015-10-05

• docs; improve virtuals docs to explain virtuals schema option #3433 zoyaH
• docs; MongoDB server version compatibility guide #3427
• docs; clarify that findById and findByIdAndUpdate fire hooks #3422
• docs; clean up Model.save() docs #3420
• fixed; properly handle projection with just id #3407 #3412
• fixed; infinite loop when database document is corrupted #3405
• docs; clarify remove middleware #3388

4.1.9 / 2015-09-28

• docs; minlength and maxlength string validation docs #3368 #3413 cosmosgenius
• fixed; linting for infix operators #3397 ChristianMurphy
• fixed; proper casting for $all #3394
• fixed; unhandled rejection warnings with .create() #3391
• docs; clarify update validators on paths that aren't explicitly set #3386
• docs; custom validator examples #2778

4.1.8 / 2015-09-21

• docs; fixed typo in example #3390 kmctown
• fixed; error in toObject() #3387 guumaster
• fixed; handling for casting null dates #3383 alexmingoia
• fixed; passing composite ids to findByIdAndUpdate #3380
• fixed; linting #3376 #3375 ChristianMurphy
• fixed; added NodeJS v4 to Travis #3374 ChristianMurphy
• fixed; casting $elemMatch inside of $not #3373 gaguirre
• fixed; handle case where $slice is 0 #3369
• fixed; avoid running getters if path is populated #3357
• fixed; cast documents to objects when setting to a nested path #3346

4.1.7 / 2015-09-14

• docs; typos in SchemaType documentation #3367 jasson15
• fixed; MONGOOSE_DRIVER_PATH env variable again #3360
• docs; added validateSync docs #3353
• fixed; set findOne op synchronously in query #3344
• fixed; handling for .pull() on a documentarray without an id #3341
• fixed; use natural order for cloning update conditions #3338
• fixed; issue with strict mode casting for mixed type updates #3337

4.1.6 / 2015-09-08

• fixed; MONGOOSE_DRIVER_PATH env variable #3345 g13013
• docs; global autoIndex option #3335 albertorestifo
• docs; model documentation typos #3330
• fixed; report reason for CastError #3320
• fixed; .populate() no longer returns true after re-assigning #3308
• fixed; discriminators with aggregation geoNear #3304
• docs; discriminator docs #2743

4.1.5 / 2015-09-01

• fixed; document.remove() removing all docs #3326 #3325
• fixed; connect() checks for rs_name in options #3299
• docs; examples for schema.set() #3288
• fixed; checkKeys issue with bluebird #3286 gregthegeek

4.1.4 / 2015-08-31

• fixed; ability to set strict: false for update #3305
• fixed; .create() properly uses ES6 promises #3297
• fixed; pre hooks on nested subdocs #3291 #3284 aliatsis
• docs; remove unclear text in .remove() docs #3282
• fixed; pre hooks called twice for 3rd-level nested doc #3281
• fixed; nested transforms #3279
• upgraded; mquery -> 1.6.3 #3278 #3272
• fixed; don't swallow callback errors by default #3273 #3222
• fixed; properly get nested paths from nested schemas #3265
• fixed; remove() with id undefined deleting all docs #3260 thanpolas
• fixed; handling for non-numeric projections #3256
• fixed; findById with id undefined returning first doc #3255
• fixed; use retainKeyOrder for update #3215
• added; passRawResult option to findOneAndUpdate for backwards compat #3173

4.1.3 / 2015-08-16

• fixed; getUpdate() in pre update hooks #3520 gregthegeek
• fixed; handleArray() ensures arg is an array #3238 jloveridge
• fixed; refresh required path cache when recreating docs #3199
• fixed; $ operator on unwind aggregation helper #3197
• fixed; findOneAndUpdate() properly returns raw result as third arg to callback #3173
• fixed; querystream with dynamic refs #3108

3.8.35 / 2015-08-14

• fixed; handling for minimize on nested objects #2930
• fixed; don't crash when schema.path.options undefined #1824

4.1.2 / 2015-08-10

• fixed; better handling for Jade templates #3241 kbadk
• added; ESlint trailing spaces #3234 ChristianMurphy
• added; ESlint #3191 ChristianMurphy
• fixed; properly emit event on disconnect #3183
• fixed; copy options properly using Query.toConstructor() #3176
• fixed; setMaxListeners() issue in browser build #3170
• fixed; node driver -> 2.0.40 to not store undefined keys as null #3169
• fixed; update validators handle positional operator #3167
• fixed; handle $all + $elemMatch query casting #3163
• fixed; post save hooks don't swallow extra args #3155
• docs; spelling mistake in index.jade #3154
• fixed; don't crash when toObject() has no fields #3130
• fixed; apply toObject() recursively for find and update queries #3086 naoina

4.1.1 / 2015-08-03

• fixed; aggregate exec() crash with no callback #3212 #3198 jpgarcia
• fixed; pre init hooks now properly synchronous #3207 burtonjc
• fixed; updateValidators doesn't flatten dates #3206 #3194 victorkohl
• fixed; default fields don't make document dirty between saves #3205 burtonjc
• fixed; save passes 0 as numAffected rather than undefined when no change #3195 burtonjc
• fixed; better handling for positional operator in update #3185
• fixed; use Travis containers #3181 ChristianMurphy
• fixed; leaked variable #3180 ChristianMurphy

4.1.0 / 2015-07-24

• added; schema.queue() now public #3193
• added; raw result as third parameter to findOneAndX callback #3173
• added; ability to run validateSync() on only certain fields #3153
• added; subPopulate #3103 timbur
• added; $isDefault function on documents #3077
• added; additional properties for built-in validator messages #3063 KLicheR
• added; getQuery() and getUpdate() functions for Query #3013
• added; export DocumentProvider #2996
• added; ability to remove path from schema #2993 JohnnyEstilles
• added; .explain() helper for aggregate #2714
• added; ability to specify which ES6-compatible promises library mongoose uses #2688
• added; export Aggregate #1910

4.0.8 / 2015-07-20

• fixed; assignment with document arrays #3178 rosston
• docs; remove duplicate paragraph #3164 rhmeeuwisse
• docs; improve findOneAndXYZ parameter descriptions #3159 rhmeeuwisse
• docs; add findOneAndRemove to list of supported middleware #3158
• docs; clarify ensureIndex #3156
• fixed; refuse to save/remove document without id #3118
• fixed; hooks next() no longer accidentally returns promise #3104
• fixed; strict mode for findOneAndUpdate #2947
• added; .min.js.gz file for browser component #2806

3.8.34 / 2015-07-20

• fixed; allow using $rename #3171
• fixed; no longer modifies update arguments #3008

4.0.7 / 2015-07-11

• fixed; documentarray id method when using object id #3157 siboulet
• docs; improve findById docs #3147
• fixed; update validators handle null properly #3136 odeke-em
• docs; jsdoc syntax errors #3128 rhmeeuwisse
• docs; fix typo #3126 rhmeeuwisse
• docs; proper formatting in queries.jade #3121 rhmeeuwisse
• docs; correct example for string maxlength validator #3111 rhmeeuwisse
• fixed; setDefaultsOnInsert with arrays #3107
• docs; LearnBoost -> Automattic in package.json #3099
• docs; pre update hook example #3094 danpe
• docs; clarify query middleware example #3051
• fixed; ValidationErrors in strict mode #3046
• fixed; set findOneAndUpdate properties before hooks run #3024

3.8.33 / 2015-07-10

• upgraded; node driver -> 1.4.38
• fixed; dont crash when match validator undefined

4.0.6 / 2015-06-21

• upgraded; node driver -> 2.0.34 #3087
• fixed; apply setters on addToSet, etc #3067 victorkohl
• fixed; missing semicolons #3065 sokolikp
• fixed; proper handling for async doc hooks #3062 gregthegeek
• fixed; dont set failed populate field to null if other docs are successfully populated #3055 eloytoro
• fixed; setDefaultsOnInsert with document arrays #3034 taxilian
• fixed; setters fired on array items #3032
• fixed; stop validateSync() on first error #3025 victorkohl
• docs; improve query docs #3016
• fixed; always exclude _id when its deselected #3010
• fixed; enum validator kind property #3009
• fixed; mquery collection names #3005
• docs; clarify mongos option #3000
• docs; clarify that query builder has a .then() #2995
• fixed; race condition in dynamic ref #2992

3.8.31 / 2015-06-20

• fixed; properly handle text search with discriminators and $meta #2166

4.0.5 / 2015-06-05

• fixed; ObjectIds and buffers when mongodb driver is a sibling dependency #3050 #3048 #3040 #3031 #3020 #2988 #2951
• fixed; warn user when 'increment' is used in schema #3039
• fixed; setDefaultsOnInsert with array in schema #3035
• fixed; dont use default Object toString to cast to string #3030
• added; npm badge #3020 odeke-em
• fixed; proper handling for calling .set() with a subdoc #2782
• fixed; dont throw cast error when using $rename on non-string path #1845

3.8.30 / 2015-06-05

• fixed; enable users to set all options with tailable() #2883

4.0.4 / 2015-05-28

• docs; findAndModify new parameter correct default value #3012 JonForest
• docs; clarify pluralization rules #2999 anonmily
• fix; discriminators with schema methods #2978
• fix; make isModified a schema reserved keyword #2975
• fix; properly fire setters when initializing path with object #2943
• fix; can use setDefaultsOnInsert without specifying runValidators #2938
• fix; always set validation errors kind property #2885
• upgraded; node driver -> 2.0.33 #2865

3.8.29 / 2015-05-27

• fixed; Handle JSON.stringify properly for nested docs #2990

4.0.3 / 2015-05-13

• upgraded; mquery -> 1.5.1 #2983
• docs; clarify context for query middleware #2974
• docs; fix missing type -> kind rename in History.md #2961
• fixed; broken ReadPreference include on Heroku #2957
• docs; correct form for cursor aggregate option #2955
• fixed; sync post hooks now properly called after function #2949 #2925
• fixed; fix sub-doc validate() function #2929
• upgraded; node driver -> 2.0.30 #2926
• docs; retainKeyOrder for save() #2924
• docs; fix broken class names #2913
• fixed; error when using node-clone on a doc #2909
• fixed; no more hard references to bson #2908 #2906
• fixed; dont overwrite array values #2907 naoina
• fixed; use readPreference=primary for findOneAndUpdate #2899 #2823
• docs; clarify that update validators only run on $set and $unset #2889
• fixed; set kind consistently for built-in validators #2885
• docs; single field populated documents #2884
• fixed; nested objects are now enumerable #2880 toblerpwn
• fixed; properly populate field when ref, lean, stream used together #2841
• docs; fixed migration guide jade error #2807

3.8.28 / 2015-05-12

• fixed; proper handling for toJSON options #2910
• fixed; dont attach virtuals to embedded docs in update() #2046

4.0.2 / 2015-04-23

• fixed; error thrown when calling .validate() on subdoc not in an array #2902
• fixed; rename define() to play nice with webpack #2900 jspears
• fixed; pre validate called twice with discriminators #2892
• fixed; .inspect() on mongoose.Types #2875
• docs; correct callback params for Model.update #2872
• fixed; setDefaultsOnInsert now works when runValidators not specified #2870
• fixed; Document now wraps EventEmitter.addListener #2867
• fixed; call non-hook functions in schema queue #2856
• fixed; statics can be mocked out for tests #2848 ninelb
• upgraded; mquery 1.4.0 for bluebird bug fix #2846
• fixed; required validators run first #2843
• docs; improved docs for new option to findAndMody #2838
• docs; populate example now uses correct field #2837 swilliams
• fixed; pre validate changes causing VersionError #2835
• fixed; get path from correct place when setting CastError #2832
• docs; improve docs for Model.update() function signature #2827 irnc
• fixed; populating discriminators #2825 chetverikov
• fixed; discriminators with nested schemas #2821
• fixed; CastErrors with embedded docs #2819
• fixed; post save hook context #2816
• docs; 3.8.x -> 4.x migration guide #2807
• fixed; proper _distinct copying for query #2765 cdelauder

3.8.27 / 2015-04-22

• fixed; dont duplicate db calls on Q.ninvoke() #2864
• fixed; Model.find arguments naming in docs #2828
• fixed; Support ipv6 in connection strings #2298

3.8.26 / 2015-04-07

• fixed; TypeError when setting date to undefined #2833
• fixed; handle CastError properly in distinct() with no callback #2786
• fixed; broken links in queries docs #2779
• fixed; dont mark buffer as modified when setting type initially #2738
• fixed; dont crash when using slice with populate #1934

4.0.1 / 2015-03-28

• fixed; properly handle empty cast doc in update() with promises #2796
• fixed; unstable warning #2794
• fixed; findAndModify docs now show new option is false by default #2793

4.0.0 / 2015-03-25

• fixed; on-the-fly schema docs typo #2783 artiifix
• fixed; cast error validation handling #2775 #2766 #2678
• fixed; discriminators with populate() #2773 #2719 chetverikov
• fixed; increment now a reserved path #2709
• fixed; avoid sending duplicate object ids in populate() #2683
• upgraded; mongodb to 2.0.24 to properly emit reconnect event multiple times #2656

4.0.0-rc4 / 2015-03-14

• fixed; toObject virtuals schema option handled properly #2751
• fixed; update validators work on document arrays #2733
• fixed; check for cast errors on $set #2729
• fixed; instance field set for all schema types #2727 csdco
• fixed; dont run other validators if required fails #2725
• fixed; custom getters execute on ref paths #2610
• fixed; save defaults if they were set when doc was loaded from db #2558
• fixed; pre validate now runs before pre save #2462
• fixed; no longer throws errors with --use_strict #2281

3.8.25 / 2015-03-13

• fixed; debug output reverses order of aggregation keys #2759
• fixed; $eq is a valid query selector in 3.0 #2752
• fixed; upgraded node driver to 1.4.32 for handling non-numeric poolSize #2682
• fixed; update() with overwrite sets _id for nested docs #2658
• fixed; casting for operators in $elemMatch #2199

4.0.0-rc3 / 2015-02-28

• fixed; update() pre hooks run before validators #2706
• fixed; setters not called on arrays of refs #2698 brandom
• fixed; use node driver 2.0.18 for nodejs 0.12 support #2685
• fixed; comments reference file that no longer exists #2681
• fixed; populated() returns _id of manually populated doc #2678
• added; ability to exclude version key in toObject() #2675
• fixed; dont allow setting nested path to a string #2592
• fixed; can cast objects with _id field to ObjectIds #2581
• fixed; on-the-fly schema getters #2360
• added; strict option for findOneAndUpdate() #1967

3.8.24 / 2015-02-25

• fixed; properly apply child schema transforms #2691
• fixed; make copy of findOneAndUpdate options before modifying #2687
• fixed; apply defaults when parent path is selected #2670 #2629
• fixed; properly get ref property for nested paths #2665
• fixed; node driver makes copy of authenticate options before modifying them #2619
• fixed; dont block process exit when auth fails #2599
• fixed; remove redundant clone in update() #2537

4.0.0-rc2 / 2015-02-10

• added; io.js to travis build
• removed; browser build dependencies not installed by default
• added; dynamic refpaths #2640 chetverikov
• fixed; dont call child schema transforms on parent #2639 chetverikov
• fixed; get rid of remove option if new is set in findAndModify #2598
• fixed; aggregate all document array validation errors #2589
• fixed; custom setters called when setting value to undefined #1892

3.8.23 / 2015-02-06

• fixed; unset opts.remove when upsert is true #2519
• fixed; array saved as object when path is object in array #2442
• fixed; inline transforms #2440
• fixed; check for callback in count() #2204
• fixed; documentation for selecting fields #1534

4.0.0-rc1 / 2015-02-01

• fixed; use driver 2.0.14
• changed; use transform: true by default #2245

4.0.0-rc0 / 2015-01-31

• fixed; wrong order for distinct() params #2628
• fixed; handling no query argument to remove() #2627
• fixed; createModel and discriminators #2623 ashaffer
• added; pre('count') middleware #2621
• fixed; double validation calls on document arrays #2618
• added; validate() catches cast errors #2611
• fixed; respect replicaSet parameter in connection string #2609
• added; can explicitly exclude paths from versioning #2576 csabapalfi
• upgraded; driver to 2.0.15 #2552
• fixed; save() handles errors more gracefully in ES6 #2371
• fixed; undefined is now a valid argument to findOneAndUpdate #2272
• changed; new option to findAndModify ops is false by default #2262

3.8.22 / 2015-01-24

• upgraded; node-mongodb-native to 1.4.28 #2587 Climax777
• added; additional documentation for validators #2449
• fixed; stack overflow when creating massive arrays #2423
• fixed; undefined is a valid id for queries #2411
• fixed; properly create nested schema index when same schema used twice #2322
• added; link to plugin generator in docs #2085 huei90
• fixed; optional arguments documentation for findOne() #1971 nachinius

3.9.7 / 2014-12-19

• added; proper cursors for aggregate #2539 changyy
• added; min/max built-in validators for dates #2531 bshamblen
• fixed; save and validate are now reserved keywords #2380
• added; basic documentation for browser component #2256
• added; find and findOne hooks (query middleware) #2138
• fixed; throw a DivergentArrayError when saving positional operator queries #2031
• added; ability to use options as a document property #1416
• fixed; document no longer inherits from event emitter and so domain and _events are no longer reserved #1351
• removed; setProfiling #1349

3.8.21 / 2014-12-18

• fixed; syntax in index.jade #2517 elderbas
• fixed; writable statics #2510 #2528
• fixed; overwrite and explicit $set casting #2515

3.9.6 / 2014-12-05

• added; correctly run validators on each element of array when entire array is modified #661 #1227
• added; castErrors in validation #1013 jondavidjohn
• added; specify text indexes in schema fields #1401 sr527
• added; ability to set field with validators to undefined #1594 alabid
• added; .create() returns an array when passed an array #1746 alabid
• added; test suite and docs for use with co and yield #2177 #2474
• fixed; subdocument toObject() transforms #2447 chmanie
• fixed; Model.create() with save errors #2484
• added; pass options to .save() and .remove() #2494 jondavidjohn

3.8.20 / 2014-12-01

• fixed; recursive readPref #2490 kjvalencik
• fixed; make sure to copy parameters to update() before modifying #2406 alabid
• fixed; unclear documentation about query callbacks #2319
• fixed; setting a schema-less field to an empty object #2314 alabid
• fixed; registering statics and methods for discriminators #2167 alabid

3.9.5 / 2014-11-10

• added; ability to disable autoIndex on a per-connection basis #1875 sr527
• fixed; geoNear() no longer enforces legacy coordinate pairs - supports GeoJSON #1987 alabid
• fixed; browser component works when minified with mangled variable names #2302
• fixed; doc.errors now cleared before validate() called #2302
• added; execPopulate() function to make doc.populate() compatible with promises #2317
• fixed; count() no longer throws an error when used with sort() #2374
• fixed; save() no longer recursively calls save() on populated fields #2418

3.8.19 / 2014-11-09

• fixed; make sure to not override subdoc _ids on find #2276 alabid
• fixed; exception when comparing two documents when one lacks _id #2333 slawo
• fixed; getters for properties with non-strict schemas #2439 alabid
• fixed; inconsistent URI format in docs #2414 sr527

3.9.4 / 2014-10-25

• fixed; statics no longer can be overwritten #2343 nkcmr
• added; ability to set single populated paths to documents #1530
• added; setDefaultsOnInsert and runValidator options for findOneAndUpdate() #860

3.8.18 / 2014-10-22

• fixed; Dont use all toObject options in save #2340 chetverikov

3.9.3 / 2014-10-01

• added; support for virtuals that return objects #2294
• added; ability to manually hydrate POJOs into mongoose objects #2292
• added; setDefaultsOnInsert and runValidator options for update() #860

3.8.17 / 2014-09-29

• fixed; use schema options retainKeyOrder in save() #2274
• fixed; fix skip in populate when limit is set #2252
• fixed; fix stack overflow when passing MongooseArray to findAndModify #2214
• fixed; optimize .length usage in populate #2289

3.9.2 / 2014-09-08

• added; test coverage for browser component #2255
• added; in-order execution of validators #2243
• added; custom fields for validators #2132
• removed; exception thrown when find() used with count() #1950

3.8.16 / 2014-09-08

• fixed; properly remove modified array paths if array has been overwritten #1638
• fixed; key check errors #1884
• fixed; make sure populate on an array always returns a Mongoose array #2214
• fixed; SSL connections with node 0.11 #2234
• fixed; return sensible strings for promise errors #2239

3.9.1 / 2014-08-17

• added; alpha version of browser-side schema validation #2254
• added; support passing a function to schemas required field #2247
• added; support for setting updatedAt and createdAt timestamps #2227
• added; document.validate() returns a promise #2131

3.8.15 / 2014-08-17

• fixed; Replica set connection string example in docs #2246
• fixed; bubble up parseError event #2229
• fixed; removed buggy populate cache #2176
• fixed; dont $inc versionKey if its being $set #1933
• fixed; cast $or and $and in $pull #1932
• fixed; properly cast to schema in stream() #1862
• fixed; memory leak in nested objects #1565 #2211 devongovett

3.8.14 / 2014-07-26

• fixed; stringifying MongooseArray shows nested arrays #2002
• fixed; use populated doc schema in toObject and toJSON by default #2035
• fixed; dont crash on arrays containing null #2140
• fixed; model.update w/ upsert has same return values on .exec and promise #2143
• fixed; better handling for populate limit with multiple documents #2151
• fixed; dont prevent users from adding weights to text index #2183
• fixed; helper for aggregation cursor #2187
• updated; node-mongodb-native to 1.4.7

3.8.13 / 2014-07-15

• fixed; memory leak with isNew events #2159
• fixed; docs for overwrite option for update() #2144
• fixed; storeShard() handles dates properly #2127
• fixed; sub-doc changes not getting persisted to db after save #2082
• fixed; populate with _id: 0 actually removes _id instead of setting to undefined #2123
• fixed; save versionKey on findOneAndUpdate w/ upsert #2122
• fixed; fix typo in 2.8 docs #2120 shakirullahi
• fixed; support maxTimeMs #2102 yuukinajima
• fixed; support $currentDate #2019
• fixed; $addToSet handles objects without _ids properly #1973
• fixed; dont crash on invalid nearSphere query #1874

3.8.12 / 2014-05-30

• fixed; single-server reconnect event fires #1672
• fixed; sub-docs not saved when pushed into populated array #1794
• fixed; .set() sometimes converts embedded docs to pojos #1954 archangel-irk
• fixed; sub-doc changes not getting persisted to db after save #2082
• fixed; custom getter might cause mongoose to mistakenly think a path is dirty #2100 pgherveou
• fixed; chainable helper for allowDiskUse option in aggregation #2114

3.9.0 (unstable) / 2014-05-22

• changed; added domain to reserved keywords #1338 #2052 antoinepairet
• added; asynchronous post hooks #1977 #2081 chopachom JasonGhent
• added; using model for population, cross-db populate mihai-chiorean
• added; can define a type for schema validators
• added; doc.remove() returns a promise #1619 refack
• added; internal promises for hooks, pre-save hooks run in parallel #1732 refack
• fixed; geoSearch hanging when no results returned #1846 ghartnett
• fixed; do not set .type property on ValidationError, use .kind instead #1323

3.8.11 / 2014-05-22

• updated; node-mongodb-native to 1.4.5
• reverted; #2052, fixes #2097

3.8.10 / 2014-05-20

• updated; node-mongodb-native to 1.4.4
• fixed; _.isEqual false negatives bug in js-bson #2070
• fixed; missing check for schema.options #2014
• fixed; missing support for $position #2024
• fixed; options object corruption #2049
• fixed; improvements to virtuals docs #2055
• fixed; added domain to reserved keywords #2052 #1338

3.8.9 / 2014-05-08

• updated; mquery to 0.7.0
• updated; node-mongodb-native to 1.4.3
• fixed; $near failing against MongoDB 2.6
• fixed; relying on .options() to determine if collection exists
• fixed; $out aggregate helper
• fixed; all test failures against MongoDB 2.6.1, with caveat #2065

3.8.8 / 2014-02-22

• fixed; saving Buffers #1914
• updated; expose connection states for user-land #1926 yorkie
• updated; mquery to 0.5.3
• updated; added get / set to reserved path list #1903 tstrimple
• docs; README code highlighting, syntax fixes #1930 IonicaBizau
• docs; fixes link in the doc at #1925 kapeels
• docs; add a missed word 'hook' for the description of the post-hook api #1924 ipoval

3.8.7 / 2014-02-09

• fixed; sending safe/read options in Query#exec #1895
• fixed; findOneAnd..() with sort #1887

3.8.6 / 2014-01-30

• fixed; setting readPreferences #1895

3.8.5 / 2014-01-23

• fixed; ssl setting when using URI #1882
• fixed; findByIdAndUpdate now respects the overwrite option #1809 owenallenaz

3.8.4 / 2014-01-07

• updated; mongodb driver to 1.3.23
• updated; mquery to 0.4.1
• updated; mpromise to 0.4.3
• fixed; discriminators now work when selecting fields #1820 daemon1981
• fixed; geoSearch with no results timeout #1846 ghartnett
• fixed; infitite recursion in ValidationError #1834 chetverikov

3.8.3 / 2013-12-17

• fixed; setting empty array with model.update #1838
• docs; fix url

3.8.2 / 2013-12-14

• fixed; enum validation of multiple values #1778 heroicyang
• fixed; global var leak #1803
• fixed; post remove now fires on subdocs #1810
• fixed; no longer set default empty array for geospatial-indexed fields #1668 shirish87
• fixed; model.stream() not hydrating discriminators correctly #1792 j
• docs: Stablility -> Stability nikmartin
• tests; improve shard error handling

3.8.1 / 2013-11-19

• fixed; mishandling of Dates with minimize/getters #1764
• fixed; Normalize bugs.email, so npm will shut up #1769 refack
• docs; Improve the grammar where "lets us" was used #1777 alexyoung
• docs; Fix some grammatical issues in the documentation #1777 alexyoung
• docs; fix Query api exposure
• docs; fix return description
• docs; Added Notes on findAndUpdate() #1750 sstadelman
• docs; Update version number in README #1762 Fodi69

3.8.0 / 2013-10-31

• updated; warn when using an unstable version
• updated; error message returned in doc.save() #1595
• updated; mongodb driver to 1.3.19 (fix error swallowing behavior)
• updated; mquery to 0.3.2
• updated; mocha to 1.12.0
• updated; mpromise 0.3.0
• updated; sliced 0.0.5
• removed; mongoose.Error.DocumentError (never used)
• removed; namedscope (undocumented and broken) #679 #642 #455 #379
• changed; no longer offically supporting node 0.6.x
• changed; query.within getter is now a method -> query.within()
• changed; query.intersects getter is now a method -> query.intersects()
• added; custom error msgs for built-in validators #747
• added; discriminator support #1647 #1003 j
• added; support disabled collection name pluralization #1350 #1707 refack
• added; support for GeoJSON to Query#near ebensing
• added; stand-alone base query support - query.toConstructor() ebensing
• added; promise support to geoSearch #1614 ebensing
• added; promise support for geoNear #1614 ebensing
• added; connection.useDb() #1124 ebensing
• added; promise support to model.mapReduce()
• added; promise support to model.ensureIndexes()
• added; promise support to model.populate()
• added; benchmarks ebensing
• added; publicly exposed connection states #1585
• added; $geoWithin support #1529 $1455 ebensing
• added; query method chain validation
• added; model.update overwrite option
• added; model.geoNear() support #1563 ebensing
• added; model.geoSearch() support #1560 ebensing
• added; MongooseBuffer#subtype()
• added; model.create() now returns a promise #1340
• added; support for awaitdata query option
• added; pass the doc to doc.remove() callback #1419 JoeWagner
• added; aggregation query builder #1404 njoyard
• fixed; document.toObject when using minimize and getters options #1607 JedWatson
• fixed; Mixed types can now be required #1722 Reggino
• fixed; do not pluralize model names not ending with letters #1703 refack
• fixed; repopulating modified populated paths #1697
• fixed; doc.equals() when _id option is set to false #1687
• fixed; strict mode warnings #1686
• fixed; $near GeoJSON casting #1683
• fixed; nearSphere GeoJSON query builder
• fixed; population field selection w/ strings #1669
• fixed; setters not firing on null values #1445 ebensing
• fixed; handle another versioning edge case #1520
• fixed; excluding subdocument fields #1280 ebensing
• fixed; allow array properties to be set to null with findOneAndUpdate aheuermann
• fixed; subdocuments now use own toJSON opts #1376 ebensing
• fixed; model#geoNear fulfills promise when results empty #1658 ebensing
• fixed; utils.merge no longer overrides props and methods #1655 j
• fixed; subdocuments now use their own transform #1412 ebensing
• fixed; model.remove() removes only what is necessary #1649
• fixed; update() now only runs with cb or explicit true #1644
• fixed; casting ref docs on creation #1606 ebensing
• fixed; model.update "overwrite" option works as documented
• fixed; query#remove() works as documented
• fixed; "limit" correctly applies to individual items on population #1490 ebensing
• fixed; issue with positional operator on ref docs #1572 ebensing
• fixed; benchmarks to actually output valid json
• deprecated; promise#addBack (use promise#onResolve)
• deprecated; promise#complete (use promise#fulfill)
• deprecated; promise#addCallback (use promise#onFulFill)
• deprecated; promise#addErrback (use promise#onReject)
• deprecated; query.nearSphere() (use query.near)
• deprecated; query.center() (use query.circle)
• deprecated; query.centerSphere() (use query.circle)
• deprecated; query#slaveOk (use query#read)
• docs; custom validator messages
• docs; 10gen -> MongoDB
• docs; add Date method caveats #1598
• docs; more validation details
• docs; state which branch is stable/unstable
• docs; mention that middleware does not run on Models
• docs; promise.fulfill()
• docs; fix readme spelling #1483 yorchopolis
• docs; fixed up the README and examples ebensing
• website; add "show code" for properties
• website; move "show code" links down
• website; update guide
• website; add unstable docs
• website; many improvements
• website; fix copyright #1439
• website; server.js -> static.js #1546 nikmartin
• tests; refactor 1703
• tests; add test generator
• tests; validate formatMessage() throws
• tests; add script for continuously running tests
• tests; fixed versioning tests
• tests; race conditions in tests
• tests; added for nested and/or queries
• tests; close some test connections
• tests; validate db contents
• tests; remove .only
• tests; close some test connections
• tests; validate db contents
• tests; remove .only
• tests; replace deprecated method names
• tests; convert id to string
• tests; fix sharding tests for MongoDB 2.4.5
• tests; now 4-5 seconds faster
• tests; fix race condition
• make; suppress warning msg in test
• benchmarks; updated for pull requests
• examples; improved and expanded ebensing

3.7.4 (unstable) / 2013-10-01

• updated; mquery to 0.3.2
• removed; mongoose.Error.DocumentError (never used)
• added; custom error msgs for built-in validators #747
• added; discriminator support #1647 #1003 j
• added; support disabled collection name pluralization #1350 #1707 refack
• fixed; do not pluralize model names not ending with letters #1703 refack
• fixed; repopulating modified populated paths #1697
• fixed; doc.equals() when _id option is set to false #1687
• fixed; strict mode warnings #1686
• fixed; $near GeoJSON casting #1683
• fixed; nearSphere GeoJSON query builder
• fixed; population field selection w/ strings #1669
• docs; custom validator messages
• docs; 10gen -> MongoDB
• docs; add Date method caveats #1598
• docs; more validation details
• website; add "show code" for properties
• website; move "show code" links down
• tests; refactor 1703
• tests; add test generator
• tests; validate formatMessage() throws

3.7.3 (unstable) / 2013-08-22

• updated; warn when using an unstable version
• updated; mquery to 0.3.1
• updated; mocha to 1.12.0
• updated; mongodb driver to 1.3.19 (fix error swallowing behavior)
• changed; no longer offically supporting node 0.6.x
• added; support for GeoJSON to Query#near ebensing
• added; stand-alone base query support - query.toConstructor() ebensing
• added; promise support to geoSearch #1614 ebensing
• added; promise support for geoNear #1614 ebensing
• fixed; setters not firing on null values #1445 ebensing
• fixed; handle another versioning edge case #1520
• fixed; excluding subdocument fields #1280 ebensing
• fixed; allow array properties to be set to null with findOneAndUpdate aheuermann
• fixed; subdocuments now use own toJSON opts #1376 ebensing
• fixed; model#geoNear fulfills promise when results empty #1658 ebensing
• fixed; utils.merge no longer overrides props and methods #1655 j
• fixed; subdocuments now use their own transform #1412 ebensing
• make; suppress warning msg in test
• docs; state which branch is stable/unstable
• docs; mention that middleware does not run on Models
• tests; add script for continuously running tests
• tests; fixed versioning tests
• benchmarks; updated for pull requests

3.7.2 (unstable) / 2013-08-15

• fixed; model.remove() removes only what is necessary #1649
• fixed; update() now only runs with cb or explicit true #1644
• tests; race conditions in tests
• website; update guide

3.7.1 (unstable) / 2013-08-13

• updated; driver to 1.3.18 (fixes memory leak)
• added; connection.useDb() #1124 ebensing
• added; promise support to model.mapReduce()
• added; promise support to model.ensureIndexes()
• added; promise support to model.populate()
• fixed; casting ref docs on creation #1606 ebensing
• fixed; model.update "overwrite" option works as documented
• fixed; query#remove() works as documented
• fixed; "limit" correctly applies to individual items on population #1490 ebensing
• fixed; issue with positional operator on ref docs #1572 ebensing
• fixed; benchmarks to actually output valid json
• tests; added for nested and/or queries
• tests; close some test connections
• tests; validate db contents
• tests; remove .only
• tests; close some test connections
• tests; validate db contents
• tests; remove .only
• tests; replace deprecated method names
• tests; convert id to string
• docs; promise.fulfill()

3.7.0 (unstable) / 2013-08-05

• changed; query.within getter is now a method -> query.within()
• changed; query.intersects getter is now a method -> query.intersects()
• deprecated; promise#addBack (use promise#onResolve)
• deprecated; promise#complete (use promise#fulfill)
• deprecated; promise#addCallback (use promise#onFulFill)
• deprecated; promise#addErrback (use promise#onReject)
• deprecated; query.nearSphere() (use query.near)
• deprecated; query.center() (use query.circle)
• deprecated; query.centerSphere() (use query.circle)
• deprecated; query#slaveOk (use query#read)
• removed; namedscope (undocumented and broken) #679 #642 #455 #379
• added; benchmarks ebensing
• added; publicly exposed connection states #1585
• added; $geoWithin support #1529 $1455 ebensing
• added; query method chain validation
• added; model.update overwrite option
• added; model.geoNear() support #1563 ebensing
• added; model.geoSearch() support #1560 ebensing
• added; MongooseBuffer#subtype()
• added; model.create() now returns a promise #1340
• added; support for awaitdata query option
• added; pass the doc to doc.remove() callback #1419 JoeWagner
• added; aggregation query builder #1404 njoyard
• updated; integrate mquery #1562 ebensing
• updated; error msg in doc.save() #1595
• updated; bump driver to 1.3.15
• updated; mpromise 0.3.0
• updated; sliced 0.0.5
• tests; fix sharding tests for MongoDB 2.4.5
• tests; now 4-5 seconds faster
• tests; fix race condition
• docs; fix readme spelling #1483 yorchopolis
• docs; fixed up the README and examples ebensing
• website; add unstable docs
• website; many improvements
• website; fix copyright #1439
• website; server.js -> static.js #1546 nikmartin
• examples; improved and expanded ebensing

3.6.20 (stable) / 2013-09-23

• fixed; repopulating modified populated paths #1697
• fixed; doc.equals w/ _id false #1687
• fixed; strict mode warning #1686
• docs; near/nearSphere

3.6.19 (stable) / 2013-09-04

• fixed; population field selection w/ strings #1669
• docs; Date method caveats #1598

3.6.18 (stable) / 2013-08-22

• updated; warn when using an unstable version of mongoose
• updated; mocha to 1.12.0
• updated; mongodb driver to 1.3.19 (fix error swallowing behavior)
• fixed; setters not firing on null values #1445 ebensing
• fixed; properly exclude subdocument fields #1280 ebensing
• fixed; cast error in findAndModify #1643 aheuermann
• website; update guide
• website; added documentation for safe:false and versioning interaction
• docs; mention that middleware dont run on Models
• docs; fix indexes link
• make; suppress warning msg in test
• tests; moar

3.6.17 / 2013-08-13

• updated; driver to 1.3.18 (fixes memory leak)
• fixed; casting ref docs on creation #1606
• docs; query options

3.6.16 / 2013-08-08

• added; publicly expose connection states #1585
• fixed; limit applies to individual items on population #1490 ebensing
• fixed; positional operator casting in updates #1572 ebensing
• updated; MongoDB driver to 1.3.17
• updated; sliced to 0.0.5
• website; tweak homepage
• tests; fixed + added
• docs; fix some examples
• docs; multi-mongos support details
• docs; auto open browser after starting static server

3.6.15 / 2013-07-16

• added; mongos failover support #1037
• updated; make schematype return vals return self #1580
• docs; add note to model.update #571
• docs; document third param to document.save callback #1536
• tests; tweek mongos test timeout

3.6.14 / 2013-07-05

• updated; driver to 1.3.11
• fixed; issue with findOneAndUpdate not returning null on upserts #1533 ebensing
• fixed; missing return statement in SchemaArray#$geoIntersects() #1498 bsrykt
• fixed; wrong isSelected() behavior #1521 kyano
• docs; note about toObject behavior during save()
• docs; add callbacks details #1547 nikmartin

3.6.13 / 2013-06-27

• fixed; calling model.distinct without conditions #1541
• fixed; regression in Query#count() #1542
• now working on 3.6.13

3.6.12 / 2013-06-25

• updated; driver to 1.3.10
• updated; clearer capped collection error message #1509 bitmage
• fixed; MongooseBuffer subtype loss during casting #1517 zedgu
• fixed; docArray#id when doc.id is disabled #1492
• fixed; docArray#id now supports matches on populated arrays #1492 pgherveou
• website; fix example
• website; improve _id disabling example
• website; fix typo #1494 dejj
• docs; added a 'Requesting new features' section #1504 shovon
• docs; improve subtypes description
• docs; clarify _id disabling
• docs: display by alphabetical order the methods list #1508 nicolasleger
• tests; refactor isSelected checks
• tests; remove pointless test
• tests; fixed timeouts

3.6.11 / 2013-05-15

• updated; driver to 1.3.5
• fixed; compat w/ Object.create(null) #1484 #1485
• fixed; cloning objects w/ missing constructors
• fixed; prevent multiple min number validators #1481 nrako
• docs; add doc.increment() example
• docs; add $size example
• docs; add "distinct" example

3.6.10 / 2013-05-09

• update driver to 1.3.3
• fixed; increment() works without other changes #1475
• website; fix links to posterous
• docs; fix link #1472

3.6.9 / 2013-05-02

• fixed; depopulation of mixed documents #1471
• fixed; use of $options in array #1462
• tests; fix race condition
• docs; fix default example

3.6.8 / 2013-04-25

• updated; driver to 1.3.0
• fixed; connection.model should retain options #1458 vedmalex
• tests; 4-5 seconds faster

3.6.7 / 2013-04-19

• fixed; population regression in 3.6.6 #1444

3.6.6 / 2013-04-18

• fixed; saving populated new documents #1442
• fixed; population regession in 3.6.5 #1441
• website; fix copyright #1439

3.6.5 / 2013-04-15

• fixed; strict:throw edge case using .set(path, val)
• fixed; schema.pathType() on some numbericAlpha paths
• fixed; numbericAlpha path versioning
• fixed; setting nested mixed paths #1418
• fixed; setting nested objects with null prop #1326
• fixed; regression in v3.6 population performance #1426 vedmalex
• fixed; read pref typos #1422 kyano
• docs; fix method example
• website; update faq
• website; add more deep links
• website; update poolSize docs
• website; add 3.6 release notes
• website; note about keepAlive

3.6.4 / 2013-04-03

• fixed; +field conflict with $slice #1370
• fixed; nested deselection conflict #1333
• fixed; RangeError in ValidationError.toString() #1296
• fixed; do not save user defined transforms #1415
• tests; fix race condition

3.6.3 / 2013-04-02

• fixed; setting subdocuments deeply nested fields #1394
• fixed; regression: populated streams #1411
• docs; mention hooks/validation with findAndModify
• docs; mention auth
• docs; add more links
• examples; add document methods example
• website; display "see" links for properties
• website; clean up homepage

3.6.2 / 2013-03-29

• fixed; corrupted sub-doc array #1408
• fixed; document#update returns a Query #1397
• docs; readpref strategy

3.6.1 / 2013-03-27

• added; populate support to findAndModify varients #1395
• added; text index type to schematypes
• expose allowed index types as Schema.indexTypes
• fixed; use of setMaxListeners as path
• fixed; regression in node 0.6 on docs with > 10 arrays
• fixed; do not alter schema arguments #1364
• fixed; subdoc#ownerDocument() #1385
• website; change search id
• website; add search from google jackdbernier
• website; fix link
• website; add 3.5.x docs release
• website; fix link
• docs; fix geometry
• docs; hide internal constructor
• docs; aggregation does not cast arguments #1399
• docs; querystream options
• examples; added for population

3.6.0 / 2013-03-18

• changed; cast 'true'/'false' to boolean #1282 mgrach
• changed; Buffer arrays can now contain nulls
• added; QueryStream transform option
• added; support for authSource driver option
• added; {mongoose,db}.modelNames()
• added; $push w/ $slice,$sort support (MongoDB 2.4)
• added; hashed index type (MongoDB 2.4)
• added; support for mongodb 2.4 geojson (MongoDB 2.4)
• added; value at time of validation error
• added; support for object literal schemas
• added; bufferCommands schema option
• added; allow auth option in connections #1360 geoah
• added; performance improvements to populate() 263ece9
• added; allow adding uncasted docs to populated arrays and properties #570
• added; doc#populated(path) stores original populated _ids
• added; lean population #1260
• added; query.populate() now accepts an options object
• added; document#populate(opts, callback)
• added; Model.populate(docs, opts, callback)
• added; support for rich nested path population
• added; doc.array.remove(value) subdoc with _id value support #1278
• added; optionally allow non-strict sets and updates
• added; promises/A+ comformancy with mpromise
• added; promise#then
• added; promise#end
• fixed; use of model as doc property
• fixed; lean population #1382
• fixed; empty object mixed defaults #1380
• fixed; populate w/ deselected _id using string syntax
• fixed; attempted save of divergent populated arrays #1334 related
• fixed; better error msg when attempting toObject as property name
• fixed; non population buffer casting from doc
• fixed; setting populated paths #570
• fixed; casting when added docs to populated arrays #570
• fixed; prohibit updating arrays selected with $elemMatch #1334
• fixed; pull / set subdoc combination #1303
• fixed; multiple bg index creation #1365
• fixed; manual reconnection to single mongod
• fixed; Constructor / version exposure #1124
• fixed; CastError race condition
• fixed; no longer swallowing misuse of subdoc#invalidate()
• fixed; utils.clone retains RegExp opts
• fixed; population of non-schema property
• fixed; allow updating versionKey #1265
• fixed; add EventEmitter props to reserved paths #1338
• fixed; can now deselect populated doc _ids #1331
• fixed; properly pass subtype to Binary in MongooseBuffer
• fixed; casting _id from document with non-ObjectId _id
• fixed; specifying schema type edge case { path: [{type: "String" }] }
• fixed; typo in schemdate #1329 jplock
• updated; driver to 1.2.14
• updated; muri to 0.3.1
• updated; mpromise to 0.2.1
• updated; mocha 1.8.1
• updated; mpath to 0.1.1
• deprecated; pluralization will die in 4.x
• refactor; rename private methods to something unusable as doc properties
• refactor MongooseArray#remove
• refactor; move expires index to SchemaDate #1328
• refactor; internal document properties #1171 #1184
• tests; added
• docs; indexes
• docs; validation
• docs; populate
• docs; populate
• docs; add note about stream compatibility with node 0.8
• docs; fix for private names
• docs; Buffer -> mongodb.Binary #1363
• docs; auth options
• docs; improved
• website; update FAQ
• website; add more api links
• website; add 3.5.x docs to prior releases
• website; Change mongoose-types to an active repo jackdbernier
• website; compat with node 0.10
• website; add news section
• website; use T for generic type
• benchmark; make adjustable

3.6.0rc1 / 2013-03-12

• refactor; rename private methods to something unusable as doc properties
• added; {mongoose,db}.modelNames()
• added; $push w/ $slice,$sort support (MongoDB 2.4)
• added; hashed index type (MongoDB 2.4)
• added; support for mongodb 2.4 geojson (MongoDB 2.4)
• added; value at time of validation error
• added; support for object literal schemas
• added; bufferCommands schema option
• added; allow auth option in connections #1360 geoah
• fixed; lean population #1382
• fixed; empty object mixed defaults #1380
• fixed; populate w/ deselected _id using string syntax
• fixed; attempted save of divergent populated arrays #1334 related
• fixed; better error msg when attempting toObject as property name
• fixed; non population buffer casting from doc
• fixed; setting populated paths #570
• fixed; casting when added docs to populated arrays #570
• fixed; prohibit updating arrays selected with $elemMatch #1334
• fixed; pull / set subdoc combination #1303
• fixed; multiple bg index creation #1365
• fixed; manual reconnection to single mongod
• fixed; Constructor / version exposure #1124
• fixed; CastError race condition
• fixed; no longer swallowing misuse of subdoc#invalidate()
• fixed; utils.clone retains RegExp opts
• fixed; population of non-schema property
• fixed; allow updating versionKey #1265
• fixed; add EventEmitter props to reserved paths #1338
• fixed; can now deselect populated doc _ids #1331
• updated; muri to 0.3.1
• updated; driver to 1.2.12
• updated; mpromise to 0.2.1
• deprecated; pluralization will die in 4.x
• docs; Buffer -> mongodb.Binary #1363
• docs; auth options
• docs; improved
• website; add news section
• benchmark; make adjustable

3.6.0rc0 / 2013-02-03

• changed; cast 'true'/'false' to boolean #1282 mgrach
• changed; Buffer arrays can now contain nulls
• fixed; properly pass subtype to Binary in MongooseBuffer
• fixed; casting _id from document with non-ObjectId _id
• fixed; specifying schema type edge case { path: [{type: "String" }] }
• fixed; typo in schemdate #1329 jplock
• refactor; move expires index to SchemaDate #1328
• refactor; internal document properties #1171 #1184
• added; performance improvements to populate() 263ece9
• added; allow adding uncasted docs to populated arrays and properties #570
• added; doc#populated(path) stores original populated _ids
• added; lean population #1260
• added; query.populate() now accepts an options object
• added; document#populate(opts, callback)
• added; Model.populate(docs, opts, callback)
• added; support for rich nested path population
• added; doc.array.remove(value) subdoc with _id value support #1278
• added; optionally allow non-strict sets and updates
• added; promises/A+ comformancy with mpromise
• added; promise#then
• added; promise#end
• updated; mocha 1.8.1
• updated; muri to 0.3.0
• updated; mpath to 0.1.1
• updated; docs

3.5.16 / 2013-08-13

• updated; driver to 1.3.18

3.5.15 / 2013-07-26

• updated; sliced to 0.0.5
• updated; driver to 1.3.12
• fixed; regression in Query#count() due to driver change
• tests; fixed timeouts
• tests; handle differing test uris

3.5.14 / 2013-05-15

• updated; driver to 1.3.5
• fixed; compat w/ Object.create(null) #1484 #1485
• fixed; cloning objects missing constructors
• fixed; prevent multiple min number validators #1481 nrako

3.5.13 / 2013-05-09

• update driver to 1.3.3
• fixed; use of $options in array #1462

3.5.12 / 2013-04-25

• updated; driver to 1.3.0
• fixed; connection.model should retain options #1458 vedmalex
• fixed; read pref typos #1422 kyano

3.5.11 / 2013-04-03

• fixed; +field conflict with $slice #1370
• fixed; RangeError in ValidationError.toString() #1296
• fixed; nested deselection conflict #1333
• remove time from Makefile

3.5.10 / 2013-04-02

• fixed; setting subdocuments deeply nested fields #1394
• fixed; do not alter schema arguments #1364

3.5.9 / 2013-03-15

• updated; driver to 1.2.14
• added; support for authSource driver option (mongodb 2.4)
• added; QueryStream transform option (node 0.10 helper)
• fixed; backport for saving required populated buffers
• fixed; pull / set subdoc combination #1303
• fixed; multiple bg index creation #1365
• test; added for saveable required populated buffers
• test; added for #1365
• test; add authSource test

3.5.8 / 2013-03-12

• added; auth option in connection geoah
• fixed; CastError race condition
• docs; add note about stream compatibility with node 0.8

3.5.7 / 2013-02-22

• updated; driver to 1.2.13
• updated; muri to 0.3.1 #1347
• fixed; utils.clone retains RegExp opts #1355
• fixed; deepEquals RegExp support
• tests; fix a connection test
• website; clean up docs afshinm
• website; update homepage
• website; migragtion: emphasize impact of strict docs #1264

3.5.6 / 2013-02-14

• updated; driver to 1.2.12
• fixed; properly pass Binary subtype
• fixed; add EventEmitter props to reserved paths #1338
• fixed; use correct node engine version
• fixed; display empty docs as {} in log output #953 follow up
• improved; "bad $within $box argument" error message
• populate; add unscientific benchmark
• website; add stack overflow to help section
• website; use better code font #1336 risseraka
• website; clarify where help is available
• website; fix source code links #1272 floatingLomas
• docs; be specific about _id schema option #1103
• docs; add ensureIndex error handling example
• docs; README
• docs; CONTRIBUTING.md

3.5.5 / 2013-01-29

• updated; driver to 1.2.11
• removed; old node < 0.6x shims
• fixed; documents with Buffer _ids equality
• fixed; MongooseBuffer properly casts numbers
• fixed; reopening closed connection on alt host/port #1287
• docs; fixed typo in Readme #1298 rened
• docs; fixed typo in migration docs Prinzhorn
• docs; fixed incorrect annotation in SchemaNumber#min bilalq
• docs; updated

3.5.4 / 2013-01-07

• changed; "_pres" & "_posts" are now reserved pathnames #1261
• updated; driver to 1.2.8
• fixed; exception when reopening a replica set. #1263 ethankan
• website; updated

3.5.3 / 2012-12-26

• added; support for geo object notation #1257
• fixed; $within query casting with arrays
• fixed; unix domain socket support #1254
• updated; driver to 1.2.7
• updated; muri to 0.0.5

3.5.2 / 2012-12-17

• fixed; using auth with replica sets #1253

3.5.1 / 2012-12-12

• fixed; regression when using subdoc with path as pathname #1245 daeq
• fixed; safer db option checks
• updated; driver to 1.2.5
• website; add more examples
• website; clean up old docs
• website; fix prev release urls
• docs; clarify streaming with HTTP responses

3.5.0 / 2012-12-10

• added; paths to CastErrors #1239
• added; support for mongodb connection string spec #1187
• added; post validate event
• added; Schema#get (to retrieve schema options)
• added; VersionError #1071
• added; npmignore hidekiy
• update; driver to 1.2.3
• fixed; stackoverflow in setter #1234
• fixed; utils.isObject()
• fixed; do not clobber user specified driver writeConcern #1227
• fixed; always pass current document to post hooks
• fixed; throw error when user attempts to overwrite a model
• fixed; connection.model only caches on connection #1209
• fixed; respect conn.model() creation when matching global model exists #1209
• fixed; passing model name + collection name now always honors collection name
• fixed; setting virtual field to an empty object #1154
• fixed; subclassed MongooseErrors exposure, now available in mongoose.Error.xxxx
• fixed; model.remove() ignoring callback when executed twice daeq #1210
• docs; add collection option to schema api docs #1222
• docs; NOTE about db safe options
• docs; add post hooks docs
• docs; connection string options
• docs; middleware is not executed with Model.remove #1241
• docs; {g,s}etter introspection #777
• docs; update validation docs
• docs; add link to plugins page
• docs; clarify error returned by unique indexes #1225
• docs; more detail about disabling autoIndex behavior
• docs; add homepage section to package (npm docs mongoose)
• docs; more detail around collection name pluralization #1193
• website; add .important css
• website; update models page
• website; update getting started
• website; update quick start

3.4.0 / 2012-11-10

• added; support for generic toJSON/toObject transforms #1160 #1020 #1197
• added; doc.set() merge support #1148 NuORDER
• added; query#add support #1188 aleclofabbro
• changed; adding invalid nested paths to non-objects throws 4216f14
• changed; fixed; stop invalid function cloning (internal fix)
• fixed; add query $and casting support #1180 anotheri
• fixed; overwriting of query arguments #1176
• docs; fix expires examples
• docs; transforms
• docs; schema collection option docs hermanjunge
• website; updated
• tests; added

3.3.1 / 2012-10-11

• fixed; allow goose.connect(uris, dbname, opts) #1144
• docs; persist API private checked state across page loads

3.3.0 / 2012-10-10

• fixed; passing options as 2nd arg to connect() #1144
• fixed; race condition after no-op save #1139
• fixed; schema field selection application in findAndModify #1150
• fixed; directly setting arrays #1126
• updated; driver to 1.1.11
• updated; collection pluralization rules mrickard
• tests; added
• docs; updated

3.2.2 / 2012-10-08

• updated; driver to 1.1.10 #1143
• updated; use sliced 0.0.3
• fixed; do not recast embedded docs unnecessarily
• fixed; expires schema option helper #1132
• fixed; built in string setters #1131
• fixed; debug output for Dates/ObjectId properties #1129
• docs; fixed Javascript syntax error in example olalonde
• docs; fix toJSON example #1137
• docs; add ensureIndex production notes
• docs; fix spelling
• docs; add blogposts about v3
• website; updated
• removed; undocumented inGroupsOf util
• tests; added

3.2.1 / 2012-09-28

• fixed; remove query batchSize option default of 1000 https://github.com/learnboost/mongoose/commit/3edaa8651
• docs; updated
• website; updated

3.2.0 / 2012-09-27

• added; direct array index assignment with casting support doc.array.set(index, value)
• fixed; QueryStream#resume within same tick as pause() #1116
• fixed; default value validatation #1109
• fixed; array splice() not casting #1123
• fixed; default array construction edge case #1108
• fixed; query casting for inequalities in arrays #1101 dpatti
• tests; added
• website; more documentation
• website; fixed layout issue #1111 SlashmanX
• website; refactored guille

3.1.2 / 2012-09-10

• added; ReadPreferrence schema option #1097
• updated; driver to 1.1.7
• updated; default query batchSize to 1000
• fixed; we now cast the mapReduce query option #1095
• fixed; $elemMatch+$in with field selection #1091
• fixed; properly cast $elemMatch+$in conditions #1100
• fixed; default field application of subdocs #1027
• fixed; querystream prematurely dying #1092
• fixed; querystream never resumes when paused at getMore boundries #1092
• fixed; querystream occasionally emits data events after destroy #1092
• fixed; remove unnecessary ObjectId creation in querystream
• fixed; allow ne(boolean) again #1093
• docs; add populate/field selection syntax notes
• docs; add toObject/toJSON options detail
• docs; read schema option

3.1.1 / 2012-08-31

• updated; driver to 1.1.6

3.1.0 / 2012-08-29

• changed; fixed; directly setting nested objects now overwrites entire object (previously incorrectly merged them)
• added; read pref support (mongodb 2.2) 205a709c
• added; aggregate support (mongodb 2.2) f3a5bd3d
• added; virtual {g,s}etter introspection (#1070)
• updated; docs brettz9
• updated; driver to 1.1.5
• fixed; retain virtual setter return values (#1069)

3.0.3 / 2012-08-23

• fixed; use of nested paths beginning w/ numbers #1062
• fixed; query population edge case #1053 #1055 jfremy
• fixed; simultaneous top and sub level array modifications #1073
• added; id and _id schema option aliases + tests
• improve debug formatting to allow copy/paste logged queries into mongo shell eknkc
• docs

3.0.2 / 2012-08-17

• added; missing support for v3 sort/select syntax to findAndModify helpers (#1058)
• fixed; replset fullsetup event emission
• fixed; reconnected event for replsets
• fixed; server reconnection setting discovery
• fixed; compat with non-schema path props using positional notation (#1048)
• fixed; setter/casting order (#665)
• docs; updated

3.0.1 / 2012-08-11

• fixed; throw Error on bad validators (1044)
• fixed; typo in EmbeddedDocument#parentArray [lackac]
• fixed; repair mongoose.SchemaTypes alias
• updated; docs

3.0.0 / 2012-08-07

• removed; old subdocument#commit method
• fixed; setting arrays of matching docs [6924cbc2]
• fixed; doc!remove event now emits in save order as save for consistency
• fixed; pre-save hooks no longer fire on subdocuments when validation fails
• added; subdoc#parent() and subdoc#parentArray() to access subdocument parent objects
• added; query#lean() helper

3.0.0rc0 / 2012-08-01

• fixed; allow subdoc literal declarations containing "type" pathname (#993)
• fixed; unsetting a default array (#758)
• fixed; boolean $in queries (#998)
• fixed; allow use of options as a pathname (#529)
• fixed; model is again a permitted schema path name
• fixed; field selection option on subdocs (#1022)
• fixed; handle another edge case with subdoc saving (#975)
• added; emit save err on model if listening
• added; MongoDB TTL collection support (#1006)
• added; $center options support
• added; $nearSphere and $polygon support
• updated; driver version to 1.1.2

3.0.0alpha2 / 2012-07-18

• changed; index errors are now emitted on their model and passed to an optional callback (#984)
• fixed; specifying index along with sparse/unique option no longer overwrites (#1004)
• fixed; never swallow connection errors (#618)
• fixed; creating object from model with emded object no longer overwrites defaults achurkin
• fixed; stop needless validation of unchanged/unselected fields (#891)
• fixed; document#equals behavior of objectids (#974)
• fixed; honor the minimize schema option (#978)
• fixed; provide helpful error msgs when reserved schema path is used (#928)
• fixed; callback to conn#disconnect is optional (#875)
• fixed; handle missing protocols in connection urls (#987)
• fixed; validate args to query#where (#969)
• fixed; saving modified/removed subdocs (#975)
• fixed; update with $pull from Mixed array (#735)
• fixed; error with null shard key value
• fixed; allow unsetting enums (#967)
• added; support for manual index creation (#984)
• added; support for disabled auto-indexing (#984)
• added; support for preserving MongooseArray#sort changes (#752)
• added; emit state change events on connection
• added; support for specifying BSON subtype in MongooseBuffer#toObject [jcrugzz]
• added; support for disabled versioning (#977)
• added; implicit "new" support for models and Schemas

3.0.0alpha1 / 2012-06-15

• removed; doc#commit (use doc#markModified)
• removed; doc.modified getter (#950)
• removed; mongoose{connectSet,createSetConnection}. use connect,createConnection instead
• removed; query alias methods 1149804c
• removed; MongooseNumber
• changed; now creating indexes in background by default
• changed; strict mode now enabled by default (#952)
• changed; doc#modifiedPaths is now a method (#950)
• changed; getters no longer cast (#820); casting happens during set
• fixed; no need to pass updateArg to findOneAndUpdate (#931)
• fixed: utils.merge bug when merging nested non-objects. [treygriffith]
• fixed; strict:throw should produce errors in findAndModify (#963)
• fixed; findAndUpdate no longer overwrites document (#962)
• fixed; setting default DocumentArrays (#953)
• fixed; selection of _id with schema deselection (#954)
• fixed; ensure promise#error emits instanceof Error
• fixed; CursorStream: No stack overflow on any size result (#929)
• fixed; doc#remove now passes safe options
• fixed; invalid use of $set during $pop
• fixed; array#{$pop,$shift} mirror MongoDB behavior
• fixed; no longer test non-required vals in string match (#934)
• fixed; edge case with doc#inspect
• fixed; setter order (#665)
• fixed; setting invalid paths in strict mode (#916)
• fixed; handle docs without id in DocumentArray#id method (#897)
• fixed; do not save virtuals during model.update (#894)
• fixed; sub doc toObject virtuals application (#889)
• fixed; MongooseArray#pull of ObjectId (#881)
• fixed; handle passing db name with any repl set string
• fixed; default application of selected fields (#870)
• fixed; subdoc paths reported in validation errors (#725)
• fixed; incorrect reported num of affected docs in update ops (#862)
• fixed; connection assignment in Model#model (#853)
• fixed; stringifying arrays of docs (#852)
• fixed; modifying subdoc and parent array works (#842)
• fixed; passing undefined to next hook (#785)
• fixed; Query#{update,remove}() works without callbacks (#788)
• fixed; set/updating nested objects by parent pathname (#843)
• fixed; allow null in number arrays (#840)
• fixed; isNew on sub doc after insertion error (#837)
• fixed; if an insert fails, set isNew back to false [boutell]
• fixed; isSelected when only _id is selected (#730)
• fixed; setting an unset default value (#742)
• fixed; query#sort error messaging (#671)
• fixed; support for passing $options with $regex
• added; array of object literal notation in schema creates DocumentArrays
• added; gt,gte,lt,lte query support for arrays (#902)
• added; capped collection support (#938)
• added; document versioning support
• added; inclusion of deselected schema path (#786)
• added; non-atomic array#pop
• added; EmbeddedDocument constructor is now exposed in DocArray#create 7cf8beec
• added; mapReduce support (#678)
• added; support for a configurable minimize option #to{Object,JSON}(option) (#848)
• added; support for strict: throws [regality]
• added; support for named schema types (#795)
• added; to{Object,JSON} schema options (#805)
• added; findByIdAnd{Update,Remove}()
• added; findOneAnd{Update,Remove}()
• added; query.setOptions()
• added; instance.update() (#794)
• added; support specifying model in populate() [DanielBaulig]
• added; lean query option [gitfy]
• added; multi-atomic support to MongooseArray#nonAtomicPush
• added; support for $set + other $atomic ops on single array
• added; tests
• updated; driver to 1.0.2
• updated; query.sort() syntax to mirror query.select()
• updated; clearer cast error msg for array numbers
• updated; docs
• updated; doc.clone 3x faster (#950)
• updated; only create _id if necessary (#950)

2.7.3 / 2012-08-01

• fixed; boolean $in queries (#998)
• fixed field selection option on subdocs (#1022)

2.7.2 / 2012-07-18

• fixed; callback to conn#disconnect is optional (#875)
• fixed; handle missing protocols in connection urls (#987)
• fixed; saving modified/removed subdocs (#975)
• updated; tests

2.7.1 / 2012-06-26

• fixed; sharding: when a document holds a null as a value of the shard key
• fixed; update() using $pull on an array of Mixed (gh-735)
• deprecated; MongooseNumber#{inc, increment, decrement} methods
• tests; now using mocha

2.7.0 / 2012-06-14

• added; deprecation warnings to methods being removed in 3.x

2.6.8 / 2012-06-14

• fixed; edge case when using 'options' as a path name (#961)

2.6.7 / 2012-06-08

• fixed; ensure promise#error always emits instanceof Error
• fixed; selection of _id w/ another excluded path (#954)
• fixed; setting default DocumentArrays (#953)

2.6.6 / 2012-06-06

• fixed; stack overflow in query stream with large result sets (#929)
• added; $gt, $gte, $lt, $lte support to arrays (#902)
• fixed; pass option safe along to doc#remove() calls

2.6.5 / 2012-05-24

• fixed; do not save virtuals in Model.update (#894)
• added; missing $ prefixed query aliases (going away in 3.x) (#884) [timoxley]
• fixed; setting invalid paths in strict mode (#916)
• fixed; resetting isNew after insert failure (#837) [boutell]

2.6.4 / 2012-05-15

• updated; backport string regex $options to 2.x
• updated; use driver 1.0.2 (performance improvements) (#914)
• fixed; calling MongooseDocumentArray#id when the doc has no _id (#897)

2.6.3 / 2012-05-03

• fixed; repl-set connectivity issues during failover on MongoDB 2.0.1
• updated; driver to 1.0.0
• fixed; virtuals application of subdocs when using toObject({ virtuals: true }) (#889)
• fixed; MongooseArray#pull of ObjectId correctly updates the array itself (#881)

2.6.2 / 2012-04-30

• fixed; default field application of selected fields (#870)

2.6.1 / 2012-04-30

• fixed; connection assignment in mongoose#model (#853, #877)
• fixed; incorrect reported num of affected docs in update ops (#862)

2.6.0 / 2012-04-19

• updated; hooks.js to 0.2.1
• fixed; issue with passing undefined to a hook callback. thanks to [chrisleishman] for reporting.
• fixed; updating/setting nested objects in strict schemas (#843) as reported by [kof]
• fixed; Query#{update,remove}() work without callbacks again (#788)
• fixed; modifying subdoc along with parent array $atomic op (#842)

2.5.14 / 2012-04-13

• fixed; setting an unset default value (#742)
• fixed; doc.isSelected(otherpath) when only _id is selected (#730)
• updated; docs

2.5.13 / 2012-03-22

• fixed; failing validation of unselected required paths (#730,#713)
• fixed; emitting connection error when only one listener (#759)
• fixed; MongooseArray#splice was not returning values (#784) [chrisleishman]

2.5.12 / 2012-03-21

• fixed; honor the safe option in all ensureIndex calls
• updated; node-mongodb-native driver to 0.9.9-7

2.5.11 / 2012-03-15

• added; introspection for getters/setters (#745)
• updated; node-mongodb-driver to 0.9.9-5
• added; tailable method to Query (#769) [holic]
• fixed; Number min/max validation of null (#764) [btamas]
• added; more flexible user/password connection options (#738) [KarneAsada]

2.5.10 / 2012-03-06

• updated; node-mongodb-native driver to 0.9.9-4
• added; Query#comment()
• fixed; allow unsetting arrays
• fixed; hooking the set method of subdocuments (#746)
• fixed; edge case in hooks
• fixed; allow $id and $ref in queries (fixes compatibility with mongoose-dbref) (#749) [richtera]
• added; default path selection to SchemaTypes

2.5.9 / 2012-02-22

• fixed; properly cast nested atomic update operators for sub-documents

2.5.8 / 2012-02-21

• added; post 'remove' middleware includes model that was removed (#729) [timoxley]

2.5.7 / 2012-02-09

• fixed; RegExp validators on node >= v0.6.x

2.5.6 / 2012-02-09

• fixed; emit errors returned from db.collection() on the connection (were being swallowed)
• added; can add multiple validators in your schema at once (#718) [diogogmt]
• fixed; strict embedded documents (#717)
• updated; docs [niemyjski]
• added; pass number of affected docs back in model.update/save

2.5.5 / 2012-02-03

• fixed; RangeError: maximum call stack exceed error when removing docs with Number _id (#714)

2.5.4 / 2012-02-03

• fixed; RangeError: maximum call stack exceed error (#714)

2.5.3 / 2012-02-02

• added; doc#isSelected(path)
• added; query#equals()
• added; beta sharding support
• added; more descript error msgs (#700) [obeleh]
• added; document.modifiedPaths (#709) [ljharb]
• fixed; only functions can be added as getters/setters (#707,704) [ljharb]

2.5.2 / 2012-01-30

• fixed; rollback -native driver to 0.9.7-3-5 (was causing timeouts and other replica set weirdness)
• deprecated; MongooseNumber (will be moved to a separate repo for 3.x)
• added; init event is emitted on schemas

2.5.1 / 2012-01-27

• fixed; honor strict schemas in Model.update (#699)

2.5.0 / 2012-01-26

• added; doc.toJSON calls toJSON on embedded docs when exists [jerem]
• added; populate support for refs of type Buffer (#686) [jerem]
• added; $all support for ObjectIds and Dates (#690)
• fixed; virtual setter calling on instantiation when strict: true (#682) [hunterloftis]
• fixed; doc construction triggering getters (#685)
• fixed; MongooseBuffer check in deepEquals (#688)
• fixed; range error when using Number _ids with instance.save() (#691)
• fixed; isNew on embedded docs edge case (#680)
• updated; driver to 0.9.8-3
• updated; expose model() method within static methods

2.4.10 / 2012-01-10

• added; optional getter application in .toObject()/.toJSON() (#412)
• fixed; nested $operators in $all queries (#670)
• added; $nor support (#674)
• fixed; bug when adding nested schema (#662) [paulwe]

2.4.9 / 2012-01-04

• updated; driver to 0.9.7-3-5 to fix Linux performance degradation on some boxes

2.4.8 / 2011-12-22

• updated; bump -native to 0.9.7.2-5
• fixed; compatibility with date.js (#646) [chrisleishman]
• changed; undocumented schema "lax" option to "strict"
• fixed; default value population for strict schemas
• updated; the nextTick helper for small performance gain. 1bee2a2

2.4.7 / 2011-12-16

• fixed; bug in 2.4.6 with path setting
• updated; bump -native to 0.9.7.2-1
• added; strict schema option [nw]

2.4.6 / 2011-12-16

• fixed; conflicting mods on update bug [sirlantis]
• improved; doc.id getter performance

2.4.5 / 2011-12-14

• fixed; bad MongooseArray behavior in 2.4.2 - 2.4.4

2.4.4 / 2011-12-14

• fixed; MongooseArray#doAtomics throwing after sliced

2.4.3 / 2011-12-14

• updated; system.profile schema for MongoDB 2x

2.4.2 / 2011-12-12

• fixed; partially populating multiple children of subdocs (#639) [kenpratt]
• fixed; allow Update of numbers to null (#640) [jerem]

2.4.1 / 2011-12-02

• added; options support for populate() queries
• updated; -native driver to 0.9.7-1.4

2.4.0 / 2011-11-29

• added; QueryStreams (#614)
• added; debug print mode for development
• added; $within support to Array queries (#586) [ggoodale]
• added; $centerSphere query support
• fixed; $within support
• added; $unset is now used when setting a path to undefined (#519)
• added; query#batchSize support
• updated; docs
• updated; -native driver to 0.9.7-1.3 (provides Windows support)

2.3.13 / 2011-11-15

• fixed; required validation for Refs (#612) [ded]
• added; $nearSphere support for Arrays (#610)

2.3.12 / 2011-11-09

• fixed; regression, objects passed to Model.update should not be changed (#605)
• fixed; regression, empty Model.update should not be executed

2.3.11 / 2011-11-08

• fixed; using $elemMatch on arrays of Mixed types (#591)
• fixed; allow using $regex when querying Arrays (#599)
• fixed; calling Model.update with no atomic keys (#602)

2.3.10 / 2011-11-05

• fixed; model.update casting for nested paths works (#542)

2.3.9 / 2011-11-04

• fixed; deepEquals check for MongooseArray returned false
• fixed; reset modified flags of embedded docs after save [gitfy]
• fixed; setting embedded doc with identical values no longer marks modified [gitfy]
• updated; -native driver to 0.9.6.23 [mlazarov]
• fixed; Model.update casting (#542, #545, #479)
• fixed; populated refs no longer fail required validators (#577)
• fixed; populating refs of objects with custom ids works
• fixed; $pop & $unset work with Model.update (#574)
• added; more helpful debugging message for Schema#add (#578)
• fixed; accessing .id when no _id exists now returns null (#590)

2.3.8 / 2011-10-26

• added; callback to query#findOne is now optional (#581)

2.3.7 / 2011-10-24

• fixed; wrapped save/remove callbacks in nextTick to mitigate -native swallowing thrown errors

2.3.6 / 2011-10-21

• fixed; exclusion of embedded doc _id from query results (#541)

2.3.5 / 2011-10-19

• fixed; calling queries without passing a callback works (#569)
• fixed; populate() works with String and Number _ids too (#568)

2.3.4 / 2011-10-18

• added; Model.create now accepts an array as a first arg
• fixed; calling toObject on a DocumentArray with nulls no longer throws
• fixed; calling inspect on a DocumentArray with nulls no longer throws
• added; MongooseArray#unshift support
• fixed; save hooks now fire on embedded documents gitfy
• updated; -native driver to 0.9.6-22
• fixed; correctly pass $addToSet op instead of $push
• fixed; $addToSet properly detects dates
• fixed; $addToSet with multiple items works
• updated; better node 0.6 Buffer support

2.3.3 / 2011-10-12

• fixed; population conditions in multi-query settings vedmalex
• fixed; now compatible with Node v0.5.x

2.3.2 / 2011-10-11

• fixed; population of null subdoc properties no longer hangs (#561)

2.3.1 / 2011-10-10

• added; support for Query filters to populate() [eneko]
• fixed; querying with number no longer crashes mongodb (#555) [jlbyrey]
• updated; version of -native driver to 0.9.6-21
• fixed; prevent query callbacks that throw errors from corrupting -native connection state

2.3.0 / 2011-10-04

• fixed; nulls as default values for Boolean now works as expected
• updated; version of -native driver to 0.9.6-20

2.2.4 / 2011-10-03

• fixed; populate() works when returned array contains undefined/nulls

2.2.3 / 2011-09-29

• updated; version of -native driver to 0.9.6-19

2.2.2 / 2011-09-28

• added; $regex support to String [davidandrewcope]
• added; support for other contexts like repl etc (#535)
• fixed; clear modified state properly after saving
• added; $addToSet support to Array

2.2.1 / 2011-09-22

• more descript error when casting undefined to string
• updated; version of -native driver to 0.9.6-18

2.2.0 / 2011-09-22

• fixed; maxListeners warning on schemas with many arrays (#530)
• changed; return / apply defaults based on fields selected in query (#423)
• fixed; correctly detect Mixed types within schema arrays (#532)

2.1.4 / 2011-09-20

• fixed; new private methods that stomped on users code
• changed; finished removing old "compat" support which did nothing

2.1.3 / 2011-09-16

• updated; version of -native driver to 0.9.6-15
• added; emit error on connection when open fails [edwardhotchkiss]
• added; index support to Buffers (thanks justmoon for helping track this down)
• fixed; passing collection name via schema in conn.model() now works (thanks vedmalex for reporting)

2.1.2 / 2011-09-07

• fixed; Query#find with no args no longer throws

2.1.1 / 2011-09-07

• added; support Model.count(fn)
• fixed; compatibility with node >=0.4.0 < 0.4.3
• added; pass model.options.safe through with .save() so w:2, wtimeout:5000 options work [andrewjstone]
• added; support for $type queries
• added; support for Query#or
• added; more tests
• optimized populate queries

2.1.0 / 2011-09-01

• changed; document#validate is a public method
• fixed; setting number to same value no longer marks modified (#476) [gitfy]
• fixed; Buffers shouldn't have default vals
• added; allow specifying collection name in schema (#470) [ixti]
• fixed; reset modified paths and atomics after saved (#459)
• fixed; set isNew on embedded docs to false after save
• fixed; use self to ensure proper scope of options in doOpenSet (#483) [andrewjstone]

2.0.4 / 2011-08-29

• Fixed; Only send the depopulated ObjectId instead of the entire doc on save (DBRefs)
• Fixed; Properly cast nested array values in Model.update (the data was stored in Mongo incorrectly but recast on document fetch was "fixing" it)

2.0.3 / 2011-08-28

• Fixed; manipulating a populated array no longer causes infinite loop in BSON serializer during save (#477)
• Fixed; populating an empty array no longer hangs foreeeeeeeever (#481)

2.0.2 / 2011-08-25

• Fixed; Maintain query option key order (fixes 'bad hint' error from compound query hints)

2.0.1 / 2011-08-25

• Fixed; do not over-write the doc when no valide props exist in Model.update (#473)

2.0.0 / 2011-08-24

• Added; support for Buffers [justmoon]
• Changed; improved error handling [maelstrom]
• Removed: unused utils.erase
• Fixed; support for passing other context object into Schemas (#234) [Sija]
• Fixed; getters are no longer circular refs to themselves (#366)
• Removed; unused compat.js
• Fixed; getter/setter scopes are set properly
• Changed; made several private properties more obvious by prefixing _
• Added; DBRef support [guille]
• Changed; removed support for multiple collection names per model
• Fixed; no longer applying setters when document returned from db
• Changed; default auto_reconnect to true
• Changed; Query#bind no longer clones the query
• Fixed; Model.update now accepts $pull, $inc and friends (#404)
• Added; virtual type option support [nw]

1.8.4 / 2011-08-21

• Fixed; validation bug when instantiated with non-schema properties (#464) [jmreidy]

1.8.3 / 2011-08-19

• Fixed; regression in connection#open [jshaw86]

1.8.2 / 2011-08-17

• fixed; reset connection.readyState after failure [tomseago]
• fixed; can now query positionally for non-embedded docs (arrays of numbers/strings etc)
• fixed; embedded document query casting
• added; support for passing options to node-mongo-native db, server, and replsetserver [tomseago]

1.8.1 / 2011-08-10

• fixed; ObjectIds were always marked modified
• fixed; can now query using document instances
• fixed; can now query/update using documents with subdocs

1.8.0 / 2011-08-04

• fixed; can now use $all with String and Number
• fixed; can query subdoc array with $ne: null
• fixed; instance.subdocs#id now works with custom _ids
• fixed; do not apply setters when doc returned from db (change in bad behavior)

1.7.4 / 2011-07-25

• fixed; sparse now a valid seperate schema option
• fixed; now catching cast errors in queries
• fixed; calling new Schema with object created in vm.runInNewContext now works (#384) [Sija]
• fixed; String enum was disallowing null
• fixed; Find by nested document _id now works (#389)

1.7.3 / 2011-07-16

• fixed; MongooseArray#indexOf now works with ObjectIds
• fixed; validation scope now set properly (#418)
• fixed; added missing colors dependency (#398)

1.7.2 / 2011-07-13

• changed; node-mongodb-native driver to v0.9.6.7

1.7.1 / 2011-07-12

• changed; roll back node-mongodb-native driver to v0.9.6.4

1.7.0 / 2011-07-12

• fixed; collection name misspelling [mathrawka]
• fixed; 2nd param is required for ReplSetServers [kevinmarvin]
• fixed; MongooseArray behaves properly with Object.keys
• changed; node-mongodb-native driver to v0.9.6.6
• fixed/changed; Mongodb segfault when passed invalid ObjectId (#407)
  • This means invalid data passed to the ObjectId constructor will now error

1.6.0 / 2011-07-07

• changed; .save() errors are now emitted on the instances db instead of the instance 9782463fc
• fixed; errors occurring when creating indexes now properly emit on db
• added; $maxDistance support to MongooseArrays
• fixed; RegExps now work with $all
• changed; node-mongodb-native driver to v0.9.6.4
• fixed; model names are now accessible via .modelName
• added; Query#slaveOk support

1.5.0 / 2011-06-27

• changed; saving without a callback no longer ignores the error (@bnoguchi)
• changed; hook-js version bump to 0.1.9
• changed; node-mongodb-native version bumped to 0.9.6.1 - When .remove() doesn't return an error, null is no longer passed.
• fixed; two memory leaks (@justmoon)
• added; sparse index support
• added; more ObjectId conditionals (gt, lt, gte, lte) (@phillyqueso)
• added; options are now passed in model#remote (@JerryLuke)

1.4.0 / 2011-06-10

• bumped hooks-js dependency (fixes issue passing null as first arg to next())
• fixed; document#inspect now works properly with nested docs
• fixed; 'set' now works as a schema attribute (GH-365)
• fixed; _id is now set properly within pre-init hooks (GH-289)
• added; Query#distinct / Model#distinct support (GH-155)
• fixed; embedded docs now can use instance methods (GH-249)
• fixed; can now overwrite strings conflicting with schema type

1.3.7 / 2011-06-03

• added MongooseArray#splice support
• fixed; 'path' is now a valid Schema pathname
• improved hooks (utilizing https://github.com/bnoguchi/hooks-js)
• fixed; MongooseArray#$shift now works (never did)
• fixed; Document.modified no longer throws
• fixed; modifying subdoc property sets modified paths for subdoc and parent doc
• fixed; marking subdoc path as modified properly persists the value to the db
• fixed; RexExps can again be saved ( #357 )

1.3.6 / 2011-05-18

• fixed; corrected casting for queries against array types
• added; Document#set now accepts Document instances

1.3.5 / 2011-05-17

• fixed; $ne queries work properly with single vals
• added; #inspect() methods to improve console.log output

1.3.4 / 2011-05-17

• fixed; find by Date works as expected (#336)
• added; geospatial 2d index support
• added; support for $near (#309)
• updated; node-mongodb-native driver
• fixed; updating numbers work (#342)
• added; better error msg when try to remove an embedded doc without an _id (#307)
• added; support for 'on-the-fly' schemas (#227)
• changed; virtual id getters can now be skipped
• fixed; .index() called on subdoc schema now works as expected
• fixed; db.setProfile() now buffers until the db is open (#340)

1.3.3 / 2011-04-27

• fixed; corrected query casting on nested mixed types

1.3.2 / 2011-04-27

• fixed; query hints now retain key order

1.3.1 / 2011-04-27

• fixed; setting a property on an embedded array no longer overwrites entire array (GH-310)
• fixed; setting nested properties works when sibling prop is named "type"
• fixed; isModified is now much finer grained when .set() is used (GH-323)
• fixed; mongoose.model() and connection.model() now return the Model (GH-308, GH-305)
• fixed; can now use $gt, $lt, $gte, $lte with String schema types (GH-317)
• fixed; .lowercase() -> .toLowerCase() in pluralize()
• fixed; updating an embedded document by index works (GH-334)
• changed; .save() now passes the instance to the callback (GH-294, GH-264)
• added; can now query system.profile and system.indexes collections
• added; db.model('system.profile') is now included as a default Schema
• added; db.setProfiling(level, ms, callback)
• added; Query#hint() support
• added; more tests
• updated node-mongodb-native to 0.9.3

1.3.0 / 2011-04-19

• changed; save() callbacks now fire only once on failed validation
• changed; Errors returned from save() callbacks now instances of ValidationError
• fixed; MongooseArray#indexOf now works properly

1.2.0 / 2011-04-11

• changed; MongooseNumber now casts empty string to null

1.1.25 / 2011-04-08

• fixed; post init now fires at proper time

1.1.24 / 2011-04-03

• fixed; pushing an array onto an Array works on existing docs

1.1.23 / 2011-04-01

• Added Model#model

1.1.22 / 2011-03-31

• Fixed; $in queries on mixed types now work

1.1.21 / 2011-03-31

• Fixed; setting object root to null/undefined works

1.1.20 / 2011-03-31

• Fixed; setting multiple props on null field works

1.1.19 / 2011-03-31

• Fixed; no longer using $set on paths to an unexisting fields

1.1.18 / 2011-03-30

• Fixed; non-mixed type object setters work after initd from null

1.1.17 / 2011-03-30

• Fixed; nested object property access works when root initd with null value

1.1.16 / 2011-03-28

• Fixed; empty arrays are now saved

1.1.15 / 2011-03-28

• Fixed; null and undefined are set atomically.

1.1.14 / 2011-03-28

• Changed; more forgiving date casting, accepting '' as null.

1.1.13 / 2011-03-26

• Fixed setting values as undefined.

1.1.12 / 2011-03-26

• Fixed; nested objects now convert to JSON properly
• Fixed; setting nested objects directly now works
• Update node-mongodb-native

1.1.11 / 2011-03-25

• Fixed for use of type as a key.

1.1.10 / 2011-03-23

• Changed; Make sure to only ensure indexes while connected

1.1.9 / 2011-03-2

• Fixed; Mixed can now default to empty arrays
• Fixed; keys by the name 'type' are now valid
• Fixed; null values retrieved from the database are hydrated as null values.
• Fixed repeated atomic operations when saving a same document twice.

1.1.8 / 2011-03-23

• Fixed 'id' overriding. [bnoguchi]

1.1.7 / 2011-03-22

• Fixed RegExp query casting when querying against an Array of Strings [bnoguchi]
• Fixed getters/setters for nested virtualsl. [bnoguchi]

1.1.6 / 2011-03-22

• Only doValidate when path exists in Schema [aheckmann]
• Allow function defaults for Array types [aheckmann]
• Fix validation hang [aheckmann]
• Fix setting of isRequired of SchemaType [aheckmann]
• Fix SchemaType#required(false) filter [aheckmann]
• More backwards compatibility [aheckmann]
• More tests [aheckmann]

1.1.5 / 2011-03-14

• Added support for uri, db, fn and uri, fn signatures for replica sets.
• Improved/extended replica set tests.

1.1.4 / 2011-03-09

• Fixed; running an empty Query doesn't throw. [aheckmann]
• Changed; Promise#addBack returns promise. [aheckmann]
• Added streaming cursor support. [aheckmann]
• Changed; Query#update defaults to use$SetOnSave now. [brian]
• Added more docs.

1.1.3 / 2011-03-04

• Added Promise#resolve [aheckmann]
• Fixed backward compatibility with nulls [aheckmann]
• Changed; Query#{run,exec} return promises [aheckmann]

1.1.2 / 2011-03-03

• Restored Query#exec and added notion of default operation [brian]
• Fixed ValidatorError messages [brian]

1.1.1 / 2011-03-01

• Added SchemaType String lowercase, uppercase, trim.
• Public exports (Model, Document) and tests.
• Added ObjectId casting support for Documents.

1.1.0 / 2011-02-25

• Added support for replica sets.

1.0.16 / 2011-02-18

• Added $nin as another whitelisted $conditional for SchemaArray [brian]
• Changed #with to #where [brian]
• Added ability to use $in conditional with Array types [brian]

1.0.15 / 2011-02-18

• Added id virtual getter for documents to easily access the hexString of the _id.

1.0.14 / 2011-02-17

• Fix for arrays within subdocuments [brian]

1.0.13 / 2011-02-16

• Fixed embedded documents saving.

1.0.12 / 2011-02-14

• Minor refactorings [brian]

1.0.11 / 2011-02-14

• Query refactor and $ne, $slice, $or, $size, $elemMatch, $nin, $exists support [brian]
• Named scopes sugar [brian]

1.0.10 / 2011-02-11

• Updated node-mongodb-native driver [thanks John Allen]

1.0.9 / 2011-02-09

• Fixed single member arrays as defaults [brian]

1.0.8 / 2011-02-09

• Fixed for collection-level buffering of commands [gitfy]
• Fixed Document#toJSON [dalejefferson]
• Fixed Connection authentication [robrighter]
• Fixed clash of accessors in getters/setters [eirikurn]
• Improved Model#save promise handling

1.0.7 / 2011-02-05

• Fixed memory leak warnings for test suite on 0.3
• Fixed querying documents that have an array that contain at least one specified member. [brian]
• Fixed default value for Array types (fixes GH-210). [brian]
• Fixed example code.

1.0.6 / 2011-02-03

• Fixed post middleware
• Fixed; it's now possible to instantiate a model even when one of the paths maps to an undefined value [brian]

1.0.5 / 2011-02-02

• Fixed; combo $push and $pushAll auto-converts into a $pushAll [brian]
• Fixed; combo $pull and $pullAll auto-converts to a single $pullAll [brian]
• Fixed; $pullAll now removes said members from array before save (so it acts just like pushAll) [brian]
• Fixed; multiple $pulls and $pushes become a single $pullAll and $pushAll. Moreover, $pull now modifies the array before save to reflect the immediate change [brian]
• Added tests for nested shortcut getters [brian]
• Added tests that show that Schemas with nested Arrays don't apply defaults [brian]

1.0.4 / 2011-02-02

• Added MongooseNumber#toString
• Added MongooseNumber unit tests

1.0.3 / 2011-02-02

• Make sure safe mode works with Model#save
• Changed Schema options: safe mode is now the default
• Updated node-mongodb-native to HEAD

1.0.2 / 2011-02-02

• Added a Model.create shortcut for creating documents. [brian]
• Fixed; we can now instantiate models with hashes that map to at least one null value. [brian]
• Fixed Schema with more than 2 nested levels. [brian]

1.0.1 / 2011-02-02

• Improved MongooseNumber, works almost like the native except for typeof not being 'number'.