Unreal Engine Issues
Unreal Engine Issues
Sequencer- FComponentMaterialInfo isn't exposed to Blueprint or script, leaving script users having to call deprecated paths
UE - Anim - Sequencer - Jul 26, 2024The ComponentMaterialTrack recently got upgraded to be able to animate parameters on different types of materials. This meant using an FComponentMaterialInfo to describe which material was being ani ...
Camera Switcher Import option not functioning properly
UE - Anim - Sequencer - Oct 22, 2019In UE 4.20 we got a feature that let you import a FBX file that contains cameras with a camereaswitcher to create a "camera cut track" within sequencer. From the release notes of 4.20: https://docs ...
[UDN 16536278] Sequencer: Stuck undo buffer when using AutoKey "Can't Undo while 'SetKey Value' is in progress"
UE - Editor - Workflow Systems - Jan 15, 2025Hello, Our animation team reported an issue with the AutoKey feature of the LevelSequencer, sometimes they will notice that after a while, the undo buffer no longer works. Unfortunately the issue ...
Montage linkable elements lose segment links when changing dependant anim sequences without loading the montage.
OLD - Anim - Apr 27, 2015If an animation has its length changed, either by changing its play rate or reimporting with a different length - elements in any unloaded montages will end up misplaced. Workaround: Load the monta ...
[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. ...