Unreal Engine Issues
Unreal Engine Issues
[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 ...
UPoseSearchDatabase::SynchronizeWithExternalDependencies re-adds existing DB assets that don't have branch in notifies
UE - Anim - Gameplay - Jul 25, 2025If we have PSDs that contain assets that were added manually to the database and also others that were added via branch in notifies then SynchronizeWithExternalDependencies will remove and re-add th ...
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] ...
Copy/Pasting Behavior Tree Nodes Reverses Decorators
UE - AI - May 20, 2016Copying and pasting behavior tree nodes reverses the order of any decorators on the node. Found in 4.11.2 binary. Reproduced in 4.12 Preview 4 binary. Regression? Yes. This does not occur in 4.10 ...
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. ...
T.MaxFPS not restored when exiting PIE while Fixed Frame Interval Playback is enabled
UE - Anim - Sequencer - Jun 12, 2017T.MaxFPS not restored when exiting PIE while Fixed Frame Interval Playback is enabled Regression: YES Directly related to CL:3365017, it would seem. Broken: 4.16 Worked: 4.15 ...
Making a Movie Scene Section Parameters struct in Blueprints will use the incorrect Can Loop values
UE - Gameplay - Blueprint - Jul 26, 2021Can Loop is the edit condition for two other values in the struct, and those will have values by default when the node is created, so Can Loop will be true in the make struct node. You can work ar ...
Disable "Deferred Rendering" option in Movie Render Queue doesn't work
UE - Anim - Sequencer - May 4, 2020Disable "Deferred Rendering" option in Movie Render Queue doesn't work and still renders the deferred pass. Currently you have to delete the Deferred Render config option completely to get the expec ...
Translucent materials appear in all stencil layers when rendered in the Movie Render Queue
UE - Anim - Sequencer - MRQ - Jul 22, 2021No matter how many passes there are translucent objects will appear in all of them. A notable case is particles, as their materials are often translucent. Using masked materials is a possible workar ...