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Changelog

All notable changes to this package will be documented in this file. The format is based on Keep a Changelog


[1.4.6] - 2021-01-08


Fixed


Create button on timeline panel no longer defaults to an invalid path. (1289923)
Fixed issue where Timeline's bindings field would loses names and bindings when selecting clips. (1293941)
Make Timeline's duration result displayed in the Inspector, when switching from duration mode: Based On Clips to Fixed Length, closer to the actual duration. (1156920)
Copy/Paste of clips in the Timeline Window will no longer paste clips at an invalid time in mix-mode. (1289925)


[1.4.5] - 2020-11-19


Fixed


Fixed issue where changing a clip's extrapolation values would clear the current clip selection. (936046)
Fixed multiple issues related to the curves view:


Fixed curve removal not functioning with PlayableAssets (clips & tracks curves). (1231002)
Fixed inconsistent icon display on curves.
Fixed incorrect ordering of properties. Properties now have a object/type/property ordering.
Fixed unnecessary grouping of fields.
Changed context menu from Remove Properties to Remove Curves to better reflect the change in functionality between curves for GameObjects and curves for PlayableAssets.
Fixed behaviour where removing a single field in a Position, Rotation or Scale group would remove the entire group.


Fixed case where pausing in Playmode and switching the active director in editor could pause the director. (1263707)
Material properties are now displayed by their shader name in the curves view when possible. (1115961)
Fixed issue where a signal could be pasted on a track that doesn't support notifications. (1283763)
Fixed issue where a clip could be paseted on an incompatible track. (1283763)
Fixed errors when leaving prefab mode when a timeline is opened. (1280331)
No preview will be shown when the PlayableDirector is disabled. (1286198)
Fixed issue where an infinite clip's Foot Ik property was not visible in the Inspector when selecting its track. (1279824)
Fixed issue where child particle systems were not controlled correctly when they are not subemitters. (1212943)
Fixed inconsistent recording behaviour on audio tracks and PlayableAssets. Default values are changed when a value is not recorded, and the key added/updated when a value is already animated. (1283453)
Fixed issue where the curves view for tracks and PlayableAssets would not update when changed externally (such as from the Animation window).
Fixed Add Key/Remove Key context menus not being properly enabled in some cases when using tracks and PlayableAssets.
Fixed simulation of subemitters when scrubbing a timeline. (1142781)
Fixed choppy playback of particles with a large fixed time step. (1262234)


[1.4.4] - 2020-10-09


Fixed


Disable drag and drop of Signal asset on Control Track. (1222760)
Fixed system locale causing issues when keying float values on custom clips. (1190877)
Fixed issue where recording to a clip would place keys on the frame. (1274892)
Fixed keyboard clip selection from locked tracks. (1233612)
Fixed issue where the Timeline window would stay locked even when no timeline asset is shown. (1278598)
Fixed issue where invoking SelectLeft or SelectRight shortcuts on a group track, the group would not collapse or expand. (1279379)
Fixed  Blend Curve Editor from the clip's inspector that was not responding correctly to undo and redo commands. (978673)
Fixed issue where the Frame All action would not frame keys outside of clips when the curve display is collapsed.  (1273725, #295)
Scrolling the horizontal scrollbar of the timeline to the right edge will no longer prevent the user from dragging left again. (1127199, #301)
Splitting a clip with an ease in or out value now ensures ease duration stays on correct side of split. (1279350)
Fixed delay when zooming in after reaching Timeline window's maximum and then zooming back. (1214228)
Prevent creation of presets with Group Tracks. (1281056)
Fixed issue where markers placed on top of clips could not be selected. (1284807, #314)
Fixed issue where multiple markers placed on top of each other could not be selected. (1284801, #314)


[1.4.3] - 2020-08-26


Fixed


Fixed incorrect selection when clicking on a clip's blend. (1178052)
Fixed issue where an exception was thrown when drawing an Audio clip's waveform when that clip wasn't in the AssetDatabase. (1268868)
When choosing Add Signal Emitter from Signal Asset, closing the Object Selector window will not add an empty Signal Emitter. (1261553)
Fixed issue where an error would appear when editing keys in the Animation window if the Timeline window is opened. (1269829)
Fixed issue where the Frame All operation would continually increase the zoom value when only empty tracks are added to the timeline (1273540).


[1.4.2] - 2020-08-04


Fixed


Fixed double-click not opening the AnimationWindow on clips with animated parameters. (1262950)
Fixed issue where the Timeline window would rebuild its Playable Graph every time an AnimationClip would be added, changed or deserialized. (1265314, 1267055)


[1.4.1] - 2020-07-15


Fixed


Fixed IndexOutOfRangeException exception being thrown when editing inspector curves. (1259902)
Fixed IndexOutOfRangeException exception being thrown when the New Signal dialog replaces an existing signal. (1241170)
Fixed signal state being reset on paused timelines. (1257208)
Fixed nested custom types not updating animation values in the inspector. (1239893)
Fixed AnimationTracks SceneOffset mode incorrectly overriding root transform on tracks without root transform in editor. (1237704)
The DisplayName attribute is now supported when used with TrackAssets. (1253397)
Fixed NullReference exception being thrown when clicking on the Scene Preview checkbox if the Timeline window was closed. (1261543)


[1.4.0] - 2020-06-26


Added


Added ClipCaps.AutoScale to automatically change the speed multiplier value when the clip is trimmed in the Timeline window.
Added a DeleteClip method in TrackAsset.
Added dependency on Animation, Audio, Director and Particle System modules. (1229825)
Added an option in TimelineAsset.EditorSettings to disable scene preview.
Added base classes to define custom actions:


TimelineAction
TrackAction
ClipAction
MarkerAction


Added the following attributes that can be used with action classes:


ApplyDefaultUndo to automatically manage undo operations.

ActiveInMode to control in which Timeline mode the action is valid.

MenuEntry to add the action to the context menu.

TimelineShortcut can be added to a static method to invoke the action with a shortcut.


Invoker to invoke actions using Timeline's selection or context.

MenuOrder contains menu priority values, to be used with MenuEntry.

TimelineModes to specify in which mode an action is valid, to be used with MenuEntry.

ActionContext to provide a context to invoke TimelineActions.

ActionValidity to specify is an action is valid for a given context.

UndoExtension to manage undo operations with common Timeline types.


Changed


Improved performance with ControlTracks in preview mode for cases where multiple Control Tracks are assigned to the same PlayableDirector.
Improved layout and appearance of track header buttons.
Reduced icons' file size without any quality loss.
A track's binding will be duplicated when pasting or duplicating a track.
When creating a new timeline asset, the "Timeline" suffix will not be added to the file name twice.

ClipCaps.All now includes the new Autoscale feature. To get the previous ClipCaps.All behaviour on clips, use

ClipCaps.Looping | ClipCaps.Extrapolation | ClipCaps.ClipIn | ClipCaps.SpeedMultiplier | ClipCaps.Blending


Inline curve selection is now synced with the clip's selection.
Selecting a curve view property will also select the corresponding curve view.
Clicking and holding the Command or Control key on a curve view will deselect it if it was already selected.
Improved Timeline window UI performance.


Fixed


Selecting clips from locked tracks is not allowed anymore when using the playhead's context menu.
Inserting gaps in locked tracks is not allowed anymore.
When adding an Activation track, the viewport is adjusted to show the new Activation clip.
Fixed issue where trimming AnimationClips would also change the speed multiplier.


[1.3.4] - 2020-06-09


Fixed


Fix a Control Track bug that caused the first frame of an animation to evaluated incorrectly when scrubbing forwards and backwards. (1253485)
Fixed memory leak where the most recently played timeline would not get unloaded. (1214752 and 1253974)


[1.3.3] - 2020-05-29


Fixed


Fixed regression where animation tracks were writing root motion when the animation clip did not contain root transform values (1249355)


[1.3.2] - 2020-04-02


Fixed


Fixed issue where the clip Inspector's curve preview would close when clicking on the curve. (1228127)
Fixed issue where the curves view was not synced between Animation and Timeline windows. (1213937)
Fixed issue where play range didn't loop when range ends on the final frame. (1215926)
Fixed issue where displaying an array in the curves view generated errors. (1178251)


[1.3.1] - 2020-03-13


Fixed


Fixed issue where the curves view would flicker when editing multiple keys. (1217326)
Fixed issue where adding a keyframe in the curves view at the end of a clip would not place the keyframe at the correct position. (1221337)


[1.3.0] - 2020-02-26


Added


Inline Curve Properties can be removed.
Tracks can be individually resized.


Changed


Creating a new Timeline will no longer automatically add an Animation Track and an Animator to the target GameObject.
Ease-in and ease-out values for clips are no longer restricted to 50% of the clip's duration.
The resize handle for inline curves has been moved to the track header area.
Reduced the minimum width of the track header area.
Trimming the left edge of a clip while pressing the Shift key will change the Speed Multiplier value.


Fixed


Fixed humanoid characters going to default pose during initial root motion recording. (1174752)
Fixed Override Tracks not masking RootTransform when an AvatarMask without the Root Node is applied. (1190600)
Fixed preview of Avatar Masks on base level Animation Tracks. (1190600)


[1.2.13] - 2020-02-24


Fixed


Fixed Performance issue where Control Tracks would resimulate during the tail of a non-looping particle clip. (1216702)
Fixed adjacent recording clips highlighting the wrong clip. (1210312)
Fixed timescale drawing to only draw visible lines which avoids a hang with very large clips. (1213189)
Fixed SignalReceiver.ChangeSignalAtIndex incorrectly throwing exception when multiple entries are set to null. (1210877)
Fixed a memory leak with Animation Clips in Edit mode.
Fixed issue where changes to a Signal Receiver component in a prefab were reverted. (1210883)
Fixed avatar mask reassignment not causing immediate re-evaluation. (1219326)
Fixed issues related to recursive control tracks. (1178423)
Fixed issue where using the HideInMenu attribute in combination with a class inheriting from Marker would not hide the marker from the Timeline context menus. (1221054)


[1.2.12] - 2020-02-21


Fixed


Fixed issue where the curves view would change its framing when moving a clip. (1217353)


[1.2.11] - 2020-01-22


Fixed


Fixed Control Track inspector dropdown not opening. (1208943)
Fixed issue where applying the Match content command on subtimeline clip with a newly created subtimeline with no duration makes the clip disappear. (1203662)
Fixed issue where the opened timeline is changed to another timeline when switching focus from Unity to a different application. (1087348)
Fixed issue where the keys in the inline curves view were incorrectly positioned (1205835)


Changed


ControlPlayableAsset.searchHierarchy (a.k.a. Control Children) now defaults to false.


[1.2.10] - 2019-12-08


Fixed


Fixed issue where object selectors on tracks did not show bound objects. (1202853)
Fixing inspector blend graph display for animation clips. (1201474)
Fixed Timeline Window lock state when restarting Unity and no timeline are selected. (1201405)


[1.2.9] - 2019-12-06


Fixed


Added missing high-resolution icons for Personal Skin.


[1.2.8] - 2019-11-21


Fixed


Fixed issue where recording couldn't be turned on for override tracks. (1199389)
Fixed overlay bug when panning. (1198348)
Fixed Foot IK being applied in Editor when option is disabled. (1197426)
Fixed issue where the Animation Track's inline curves were not properly aligned when panning the timeline. (1198364)


[1.2.7] - 2019-11-15


Fixed


Fixed inline curves to display PlayableBehaviour array properties. (1178251)
Fixed clip selection from playhead. (1187495)
Fixed recorded clips dirtying the scene on copy/paste. (1181492)


[1.2.6] - 2019-10-25


Added


Added Timeline manual.


[1.2.5] - 2019-10-16


Changed


Added tooltips that were missing for Timeline selector and settings buttons. (1152790)
Removed Undo menu entry that was added when clicking on the Inline curves button. (1187402)


Fixed


Fixed issue where recording couldn't be turned off when an object is deactivated. (1187174)
Timelines listed in the Timeline selector will now be sorted alphabetically. (1190514)
Fixed Insert Frames options from Trackhead context menu not applying to markers. (1187895)
Fixed incorrect display when a large number of nested group tracks was added to a Timeline. (1157367)


[1.2.4] - 2019-10-03


Changed


Properties in the Inline Curve editor will now be listed in the same order as the Animation window. (1184058)
Updated the appearance of the Timeline window to conform to the editor's UX redesign

Improved the appearance of clip blends.


Fixed


Adding a PlayableDirector with no Playable Asset will no longer trigger a repaint of the Timeline Window on each frame. (1172707)
Fixed issue where a clip's blend selection border was not drawn correctly when there was a previous clip. (1178173)
Fixed issue where Animation Events were fired twice when the Playable Director Wrap mode is set to Loop. (1173281)
Fixed issue where double-clicking on a Timeline Asset would not open it in the Timeline window. (1182159)
Fixed issue where the paste shortcut would not work when copying and pasting between two different timelines. (1184967)
Fixed audio stutter when going into playmode. (1167289)
Fixed PreviousFrame and NextFrame controls in subtimelines with large offsets. (1175320)
Fixed issue where exceptions were thrown when resetting a Signal Receiver component. (1158227)
Increased font size of clip labels (1179642)


[1.2.3] - 2019-10-03


Fixed


Removed unnecessary directories from the package.


[1.2.2] - 2019-08-20


Fixed


Fixed issue where fields for custom clips were not responding to Add Key commands. (1174416)
Fixed issue where a different track's bound GameObject is highlighted when clicking a track's bound GameObject box. (1141836)
Fixed issue where a clip locks to the playhead's position when moving it. (1157280)


[1.2.1] - 2019-08-01


Fixed


Fixed appearance of a selected clip's border.
Fixed non-transform properties from AnimationClips not being correctly put into preview mode when the avatar root does not contain the animator component. (1162334)
Fixed an issue where the context menu for inline curves keys would not open on MacOS. (1158584)
Fixed recording state being incorrect after toggling preview mode (1146551)
Fixed copying clips without ExposedReferences causing the scene to dirty (1144469)


[1.2.0] - 2019-07-16

Compatible with Unity 2019.3


Added


Added ILayerable interface. Implementing this interface on a custom track will enable support for multiple layers, similar to the AnimationTracks override tracks.
Added "Pan" autoscrolling option in the Timeline window.
Enabled rectangle tool for inline curves.


Changed


Scrolling horizontally with the mouse wheel or trackpad now pans the timeline view horizontally, instead of zooming.
Scrolling vertically with the mouse wheel or trackpad on the track headers or on the vertical scroll bar now pans the timeline view vertically, instead of zooming.


Fixed


Fixed an issue causing info text to overlap when displaying multiple lines (1150863).
Fixed duration mode not reverting from "Fixed Length" to "Based On Clips" properly. (1154034)
Fixed playrange markers being drawn over horizontal scrollbar (1156023)
Fixed an issue where a hotkey does not autofit all when Marker is present (1158704)
Fixed an issue where an exception was thrown when overwriting a Signal Asset through the Signal Emitter inspector. (1152202)
Fixed Control Tracks not updating instances when source prefab change. (case 1158592)
An exception will be thrown when calling TrackAsset.CreateMarker() with a marker that implements INotification if the track does not support notifications. (1150248)
Fixed preview mode being reenabled when warnings change on tracks. (case 1151381)
Fixed minimum clip duration to be frame aligned. (case 1156602)
Fixed playhead being moved when applying undo while recording.(case 1154802)
Fixed warnings about localEulerAnglesRaw when using RectTransform. (case 1151100)
Fixed precision error on the duration of infinite tracks. (case 1156723)
Fixed issue where two GatherProperties call were made when switching between two PlayableDirectors. (1159036)
Fixed issue where inspectors for clips, tracks and markers would get incorrectly displayed when no Timeline Window is opened. (1158242, 1158283)
Fixed issue with clip connectors that were incorrectly drawn when the timeline was panned or zoomed. (1141960)
Fixed issue where evaluating a Playable Graph inside a Notification Receiver would cause an infinite recursion. (1149930)
Fixed Trim and Move operations to ensure playable duration is updated upon completion. (1151894)
Fixed options menu icon that was blurry on high-dpi screens. (1154623)
Track binding field is now larger. (1153446)
Fixed issue where an empty Timeline window would create new objects on each repaint. (1142894)
Fixed an issue causing info text to overlap when displaying multiple lines (when trimming + time scaling, for example). (1150863)
Fixed duration mode not reverting from "Fixed Length" to "Based On Clips" properly. (1154034)
Prevented the PlayableGraph from being created twice when playing a timeline in play mode with the Timeline window opened. (1147247)
Fixed issue where an exception was thrown when clicking on a SignalEmitter with the Timeline window in asset mode. (1146261)
A timeline will now be played correctly when building a player with Mono and Managed Stripping Level set higher than Low. (1133182)
The Signal Asset creation dialog will no longer throw exceptions when canceled on macOS. (1141959)
Fixed issue where the Emit Signal property on a Signal Emitter would not get saved correctly. (1148709)
Fixed issue where a Signal Emitter placed at the start of a timeline would be fired twice. (1149653)
Fixed record button state not updating when offset modes are changed. (1142747)
Cleared invalid assets from the Timeline Clipboard when going into or out of PlayMode. (1144473)
Copying a Control Clip during play mode no longer throws exceptions. (1141581)
Going to Play Mode while inspecting a Track Asset will no longer throw exceptions. (1141958)
Resizing Timeline's window no longer affects the zoom value. (1147150)
Snap relaxing now responds to Command on Mac, instead of Control. (1149144)
Clips will no longer randomly disappear when showing or hiding inline curves. (1141661)
The global/local time referential button will no longer be shown for a top-level timeline. (1080872)
Playhead will not be drawn above the bottom scrollbar anymore. (1134016)
Fixed moving a marker on an Infinite Track will keep the track in infinite mode (1141190)
Fixed zooming in/out will keep the padding at the beginning of the timeline (1030689)
Fixed marker UI is the same color and size on infinite track (1139370)
Fixed Disable the possibility to add Markers to tracks of a Timeline that is ReadOnly (1134463)
Fixed wrong context menu being shown when right-clicking a marker (1133592)
Fixed creation of override track to work with multiselection (1133592)


[1.1.0] - 2019-02-14

Compatible with Unity 2019.2


Added


ClipEditor, TrackEditor and MarkerEditor classes users can derive from to control visual appearance of custom timeline clips, tracks and markers using the CustomTimelineEditor attribute.
ClipEditor.GetSubTimelines to allow user created clips that support sub-timelines in editor
TimelineEditor.selectedClip and TimelineEditor.selectedClips to set and retrieve the currently selected timeline clips
IPropertyCollector.AddFromName override that takes a component.
Warning icons to SignalEmitters when they do not reference an asset
Ability to mute/unmute a Group Track.
Mute/Unmute only selected track command added for tracks with multiple layers.
Animate-able Properties on Tracks and Clips can now be edited through inline curves.
Added loop override on AnimationTrack clips (1140766)
ReadOnly/Source Control Lock support for Timeline Scene


Changed


Control Track display to show a particle system icon when particle systems are being controlled
Animate-able Properties for clips are no longer edited using by "recording"; they are edited through the inline curves just like tracks.
AudioTrack properties can now be animated through inline curves.
Changed Marker show/hide to be undoable. Hide will also unselect markers. (1124661)
Changed SignalReceivers show their enabled state in the inspector. (1131163)
Changed Track Context Menu to show "Add Signal Emitter" at the top of the list of Marker commands. (1131166)
Moved "Add Signal Emitter" and "Add Signal Emitter From Asset" commands out of their sub-menu. (1131166)


Fixed


Fixed markers being drawn outside their pane. (1124381)
Fixed non-public tracks not being recognized by the Timeline Editor. (1122803)
Fixed keyboard shortcuts for Frame All (default: A) and Frame Selected (default: F) to also apply horizontally (1126623)
Fixed recording getting disabled when selecting a different GameObject while the Timeline Window is not locked. (1123119)
Fixed time sync between Animation and Timeline windows when clips have non-default timescale or clip-in values. (930909)
Fixed animation window link not releasing when deleting the timeline asset. (1127425)
Fixed an exception being raised when selecting both a Track marker and a Timeline marker at the same time. (1113006)
Fixed the header marker area will so it no longer opens its context menu if it's hidden. (1124351)
Fixed Signal emitters to show the Signals list when created on override tracks. (1102913)
Fixed a crash on IL2CPP platforms when the VideoPlayer component is not used. (1129572)
Fixed Timeline Duration changes in editor not being undoable. (1109279)
Fixed Match Offsets commands causing improper animation defaults to be applied. (911678)
Fixed Timeline Inspectors leaving EditorGUI.showMixedValue in the wrong state. (1123895)
Fixed issue where performing undo after moving items on multiple tracks would not undo some items. (1131071)
Fixed cog icon in the Signal Receiver inspector being blurry. (1130320)
Fixed Timeline marker track hamburger icon not being centered vertically. (1131112)
Fixed detection of signal receivers when track is in a group. (1131811)
Fixed exception being thrown when deleting Signal entries. (1131065)
Fixed Markers blocking against Clips when moving both Clips and Markers in Ripple mode. (1102594)
Fixed NullReferenceException being thrown when muting an empty marker track. (1131106)
Fixed SignalEmitter Inspector losing the Receiver UI when it is locked and another object is selected. (1116041)
Fixed Marker and Clip appearing to be allowed to move to another track in Ripple mode. (1131123)
Fixed issue where the Signal Emitter inspector did not show the Signal Receiver UI when placed on the timeline marker track. (1131811)
Fixed Replace mode not drawing clips when moved together with a Marker. (1132605)
Fixed inline curves to retain their state when performing undo/redo or keying from the inspector. (1125443)
Fixed an issue preventing Timeline from entering preview mode when an Audio Track is present an a full assembly reload is performed. (1132243)
Fixed an issue where the Marker context menu would show a superfluous line at the bottom. (1132662)
Fixed an issue preventing Timeline asset to be removed from a locked Timeline Window when a new scene is loaded. (1135073)
Fixed EaseIn/Out shortcut for clips


[1.0.0] - 2019-01-28

Compatible with Unity 2019.1


Added


This is the first release of Timeline, as a Package
Added API calls to access all AnimationClips used by Timeline.
Added support in the runtime API to Animate Properties used by template-style PlayableBehaviours used as Mixers.
Added Markers. Markers are abstract types that represent a single point in time.
Added Signal Emitters and Signal Assets. Signal Emitters are markers that send a notification, indicated by a SignalAsset, to a GameObject indicating an event has occurred during playback of the Timeline.
Added Signal Receiver Components. Signal Receivers are MonoBehaviour that listen for Signals from Timeline and respond by invoking UnityEvents.
Added Signal Tracks. Signal Tracks are Timeline Tracks that are used only for Signal Emitters.


Fixed


Signal Receiver will no longer throw exceptions when its inspector is locked (1114526)
Context menu operations will now be applied on all selected tracks (1089820)
Clip edit mode clutch keys will not get stuck when holding multiple keys at the same time (1097216)
Marker inspector will be disabled when the marker is collapsed (1102860)
Clip inspector will no longer throw exceptions when changing values when the inspector is locked (1115984)
Fixed appearance of muted tracks (1018643)
Fixed multiple issues where clips and markers were selectable when located under the time ruler and the marker header track (1117925, 1102598)
A marker aligned with the edge of a clip is now easier to select (1102591)
Changed behaviour of the Timeline Window to apply modifications immediately during Playmode (922846, 1111908)
PlayableDirector.played event is now called after entering or exiting Playmode (1088918)
Undoing a paste track operation in a group will no longer corrupt the timeline (1116052)
The correct context menu will now be displayed on the marker header track (1120857)
Fixed an issue where a circular reference warning appeared in the Control Clip inspector even if there was no circular reference (1116520)
Fixed preview mode when animation clips with root curves are used (case 1116297, case 1116007)
Added option to disable foot IK on animation playable assets (case 1115652)
Fixed unevaluated animation tracks causing default pose (case 1109118)
Fixed drawing of Group Tracks when header is off-screen (case 876340)
Fixed drag and drop of objects inside a group being inserted outside (case 1011381, case 1014774)