Unreal Engine Issues
Unreal Engine Issues
Deleting a Sync Marker created by an Animation modifier deletes all Sync Marks made by the Animation Modifier
UE - Anim - Jan 14, 2022Using the delete key or context menu to delete a single sync marker created by an Animation Modifier deletes all sync markers created by the Animation Modifier. If all the markers are deleted, and ...
Off by one in skeletal animation length
UE - Anim - Sequencer - Feb 14, 2019Editor sometimes crashes when trying to compile an Animation Blueprint that extends a class with AnimInstanceProxy
UE - Anim - Runtime - Anim Blueprints - Jan 10, 2023Reproduced 3/3 times, issue does not occur in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed Regression. Seems to work fine when compiled once, but after the 2nd or 3rd time it crashes. ...
[Interchange][glTF] Morph animations are not imported
UE - Editor - Content Pipeline - Import and Export - Apr 30, 2025[Link Removed] From the UDN: When importing a glTF file from Blender with both skeletal and morph animations, only the bone animations are imported - the morph animation curve is completely missing ...
SequencerActor tag getting added multiple times to a spawnable actor
UE - Anim - Sequencer - Jan 16, 2017A Spawnable actor gets "SequencerActor" tag on spawn, but this tag addition does not seem to check already assigned tag(s). So the actor can receive SequencerActor tags multiple times. ...
Depth of field rendering artifacts - flickering and masking
UE - Rendering Architecture - Jan 16, 2024Flickering and large flashes can be seen on reflective objects that are out of focus with DOF enabled. DumpGPU shows that artifacts are visible in TSR . ...
[CrashReport] UE4Editor-MovieSceneTracks!UMovieSceneComponentMobilitySystem::RestorePreAnimatedState
UE - Anim - Sequencer - Sep 13, 2021[CrashReport] UE4Editor-MovieSceneTracks!UMovieSceneComponentMobilitySystem::RestorePreAnimatedState(IMovieScenePreAnimatedStateSystemInterface::FPreAnimationParameters const &) [MovieSceneComponent ...
Update Mesh Section incorrectly sets vertex colors for a Procedural Mesh
UE - Graphics Tools - Modeling Tools - Jun 21, 2022This is a regression tested in //UE4/Release-4.27 CL#18319896 Update Mesh Section incorrectly sets vertex colors for a Procedural Mesh. The closer a colors R, G, or B value is to 1.0 or 0.0 the mor ...
Crash when using "Set Key Time" on an animation key in UMG
UE - Anim - Sequencer - Nov 25, 2015If the user right clicks a key in the animation timeline in UMG and uses "Set key time" the editor will crash. [Link Removed] ...
Groom shadows stay visible when component is hidden
UE - Rendering Architecture - Jan 8, 2024This appears to happen with both Virtual Shadow Maps and Cascaded Shadow Maps. ...