Unreal Engine Issues
Unreal Engine Issues
Unable to play level sequences or actor sequences while the game is paused
UE - Anim - Sequencer - Dec 7, 2020This is caused by several failures in the custom ticking and update logic for level and actor sequences. A possible solution is shelved in 14859265, but will need testing with all known cases of pau ...
Actors move around between keys in a Sequencer while Zooming in/out of the Timeline if a possessing a Cine Camera in the Sequencer
UE - Anim - Sequencer - Oct 24, 2022This is not a regression. Tested In: //UE5/Release-5.0 CL20979098 Actors move around between keyed points in a Sequencer while Zooming in/out of the Timeline if a Cine Camera is possessed in the S ...
For Level Sequence with multiple Shot and Transform Tracks, the Restore State of a Level Sequence Actor may not work due to the When Finished setting of the Transform Track.
UE - Anim - Sequencer - Jun 19, 2020LevelSequenceActor's Restore State is enabled, but the character does not return to the position it was in before the level sequence was played. The LevelSequence of the attached project has two S ...
Sequencer shot blend will have incorrect blend time if play rate of sequence is changed.
UE - Anim - Sequencer - Jan 7, 2025When there is a blended camera cut and the sequences playrate is changed, the camera blend time will not match the new rate and play incorrectly. ...
Sequencer: Skeletal Animation with montages can cause blending issues when re-playing the same sequence on the same character
UE - Anim - Sequencer - Oct 1, 2024The code in MovieSceneSkeletalAnimationSystem.cpp storages montage data on a per skeletal mesh component, per section basis. This (and a few other bits of logic) cause issues for external UDN user w ...
Animation Modifiers that contain a null Animation Sequence value cause the Engine to crash when applied to an Animation Sequence
OLD - Anim - Nov 14, 2018When an Animation Modifier passes a null Animation Sequence value to an Animation Sequence the Editor will crash. This is a regression from 4.20.3 (CL-4369336). This was reported and tested in 4.21 ...
No output pin for created actor on "Create Level Sequence Player"
UE - Anim - Sequencer - Jun 7, 2017No output pin for created actor on "Create Level Sequence Player". This originally spawned from a licensee looking for a way to set the "Sequence Player" to a different sequence, but it also showed ...
Sequencer will not play Blendshape (Morph Target) Animations while in Realtime
UE - Anim - Sequencer - Mar 16, 2016An Animation Track that references a Blend Shape, Morph Target, Animation will not play when you play from Level Sequencer in Editor unless you turn off real time. Also it seems if Realtime is turn ...
Sequence with restore state set is causing a "Fatal world leaks detected" crash
UE - Anim - Sequencer - May 14, 2025We recently had a few occurrences of crashes caused by a "Fatal world leaks detected" error when unloading a level (in a packaged game and in editor). I tracked down what was keeping a references t ...
Sequencer Export to FBX file framerate is always 30fps, regardless of playback rate in Sequencer
UE - Anim - Sequencer - Apr 24, 2020This issue can cause problems for developers who are operating at framerates that aren't 30fps (eg 24). In Sequencer: [Link Removed] In Maya: [Link Removed] ...