Unreal Engine Issues
Unreal Engine Issues
[Sequencer] Setting additive transform keyframes on Actor Blueprints (using S hotkey) causes Actor to pop
UE - Anim - Sequencer - Jun 22, 2023See attached gif for popping behavior. The issue does not occur if using the Enter hotkey or clicking the Add Keyframe button. The issue also does not occur on static or skeletal meshes. ...
When exporting a level sequence (with its associated level) to USD, the asset paths for the reference are different from 5.5 and older
UE - Editor - Content Pipeline - USD - Jul 21, 2025In 5.6, a referenced asset path looks something like prepend references = @../../../../../Data/USD/Exports/FN-Main/ExportFolder/Assets/Sphere.usda@ instead of prepend references = ...
Editor crashes if you hold shift after dragging a marquee selection on anim sequence notifies then select notifies using ctrl
OLD - Anim - Jun 23, 2017Looks like this all depends on pressing shift after creating a marquee ...
Sequencer: Undoing creation of a new section can call section drawing code with viewmodel tree in invalid state
UE - Anim - Sequencer - Aug 1, 2024The Section reference in ISequencerSection::GetSectionHeight can be in the process of garbage collection during an undo of a section addition- this causes things like GetTypedOuter<UMovieSceneTrack> ...
Assert in MoviewPipelinePIEExecutor when cancelling movie scenes during rendering
UE - Anim - Sequencer - MRQ - Sep 11, 2024When rendering a single Level Sequence with MRQ, removing the Level Sequence that is actively rendering will create an array out of bounds exception. Also confirmed in //UE5/Main, CL: 36086643 ...
Dragging Audio assets onto the Sequencer timeline will create a new audio track when dropped onto an object's audio subtrack
UE - Anim - Sequencer - Aug 12, 2019Dropping audio assets onto audio subtracks in the timeline adds them to a regular audio track instead. ...
Nested level visibility track bug
UE - Anim - Sequencer - May 31, 2024The Level Visibility tracks part of a Subsequence are turned off every time you save the Leve Sequence. It does not happen if Level Visibility tracks are added in the main Sequence. ...
If LevelSequence ends during a shot that includes a CineCameraActor, Player Camera is not reset correctly
UE - Anim - Sequencer - Dec 13, 2022Reproduced 3/3 times, issue does not occur in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed Regression. Issue occurs when sequence ends with shot, and if sequence is interrupted during shot. ...
Camera Shot Blend does not work when Reverse Play
UE - Anim - Sequencer - Feb 13, 2024Camera shot blending on Sequencer does not work when Reverse Play. If we place two cameras in a scene and just blend them by Camera Shot track in sequencer, the view point is interpolated between th ...
Transform Origin Scale on the Level Sequencce Actor's Instance Data can affect rotations
UE - Anim - Sequencer - Apr 30, 2025Scale is used as part of the rotation calculation for transform multiplication, and it can have an effect in the sequence transform origins. It's expected that scale is completely ignored, and shou ...