Possible to duplicate shot tracks

UE - Anim - Sequencer - Feb 5, 2026

Multiple shot tracks are a problem source, and UE seems to try and pre-empt them by disabling the menu option to add a second one when one is already in there. Duplication, however, is still permitt ...

“S” key fails to add key to transform when additive track Is locked

UE - Anim - Sequencer - Feb 2, 2026

When an additive transform track is locked, pressing the “S” key does not add a new key to the sequence. No key is added to either the additive track or the base transform track. What the user expe ...

Sequencer: Camera blends restore to incorrect view target after Keep State

UE - Anim - Sequencer - Jan 20, 2026

When a Level Sequence’s Camera Cut track with When Finished = Keep State is played, the “original state” is persisted into the PreAnimatedStorage array inside FPreAnimatedCameraCutStorage. From the ...

FMovieSceneSkeletalAnimationParams::MapTimeToAnimation returns the wrong value if InFrameRate is not the Tick Resolution

UE - Anim - Sequencer - Jan 16, 2026

FMovieSceneSkeletalAnimationParams::MapTimeToAnimation takes in an FFrameTime and FFrameRate and is supposed to tell you which frame of animation that evaluates to, when accounting for looping, play ...

Constraint Binding ID is broken on attach track when subsequence asset is moved.

UE - Anim - Sequencer - Jan 14, 2026

Moving a level sequence asset that contains actors that are being referenced as a subsequence in an attach track causes the references to drop, even though the subsequence reference is correctly upd ...

Section::TrimSection resulting in bad key values at start and end of trim range

UE - Anim - Sequencer - Dec 17, 2025

The trim process inserts keys at the start or end of the range depending if you specify Trim Left or Right, I'm finding that Trim right is inserting a key at the end of the section that is incorrect ...

The bake_transform_with_settings method works in 5.6 but not 5.7

UE - Anim - Sequencer - Nov 26, 2025

Trying to automate the process of baking transforms via python and the identical code above works in 5.6 but not in 5.7. There are no error messages in the output log. When running in 5.7, it does ...

IKeyArea::CreateCurveEditorModel is not adding custom property channel name.

UE - Anim - Sequencer - Nov 25, 2025

When you have a custom float channel and run the above, It works great if it's a regular 'MovieScene3DTransformSection' : LogPython: [ {channel_name: "Location.Y", section: "/Script/MovieSceneTrack ...

When Adding Custom Bindings, get ensure that "Multiple persistent shared references detected for Sequencer..."

UE - Anim - Sequencer - Nov 17, 2025

Ensure: Error    LogOutputDevice      Ensure condition failed: SequencerRefCount == 1 [Link Removed] [Line: 967]  1. Error    LogOutputDevice      Multiple persistent shared references detected f ...

LevelSequenceActor transform offset for Sequencer lost on value changed

UE - Anim - Sequencer - Nov 17, 2025

Toggling Lock, Pin, Ignore on subsequences or adding new transform key on a character inside a subsequence the Actors lose the LevelSequenceActor transform offset they have at preview and go back to ...