Unreal Engine Issues
Unreal Engine Issues
Check the status of an issue or Search for an existing issue.
Auto Size in Sequencer not working on MovieSceneSkeletalAnimationSection
UE - ACT Character - SequencerMy understanding of the Auto Size feature on sections in Sequencer is that I should be able to auto size a section based on its contents. For ...
[UE 5.8][MediaViewer] Crash when switching Level Editor viewport type to Cinematic Viewport
UE - CAPT - Tools - Media ViewerPOST LINK: https://forums.unrealengine.com/t/ue-5-8-mediaviewer-crash-when-switching-level-editor-viewport-type-to-cinematic-viewport/2747407 ...
WorldSettings of each World Partition cell are replicated in cooked builds
UE - Framework - NetworkingIn a cooked package build, when the cell package is loaded, AActor::PostInitProperties (Actor.cpp:555) sets RemoteRole = bReplicates ? ROLE_Si...
Sequencer.AllowPausedClock makes Audio/Platform-clock sequences evaluate at a negative time after any earlier game pause
UE - ACT Character - Sequencer5.8 added Sequencer.AllowPausedClock (on by default) in FMovieSceneTimeController_ExternalClock::OnRequestCurrentTime (MovieSceneTimeControlle...
Crash when merging a file containing an Orbit Rig
TM - ToolsReported in SF [Link Removed] Scenes containing Orbit Rigs will cause crashes when attempting to Merge with other files....
Mutable Chaos Cloth breaks when culling mesh affects mesh sections with cloth
UE - Runtime - MutableEncountering an issue since we updated to UE5.8 where characters whose cloth mesh sections have vertices culled will cause mesh degradation in...
Deadlock in URigHierarchy
UE - ACT Character - Control RigWe are regularly hitting a deadlock on 5.8.3. We have one background worker evaluating an animation, holding the RigHierarchy's ElementsLock ...
UAbilityTask_SpawnActor::BeginSpawningActor may return true when SpawnedActor contains stale value
UE - Gameplay - Gameplay Ability SystemUAbilityTask_SpawnActor::BeginSpawningActor assumes the incoming AActor*& SpawnedActor parameter is nullptr if no actor was spawned, but it do...
Sequencer custom task scheduler hangs with more than 512 tasks (TDynamicSparseBitSet::IsBitSet and operator|=)
UE - ACT Character - SequencerWith Sequencer.CustomTaskScheduling enabled, a task graph with more than 512 tasks can hang FEntitySystemScheduler::ExecuteTasks. Reported by ...
Incorrect geometry for OnMouseMove event on Slider with RightToLeft flow direction
UE - AI Workflows - UI Systems - SlateWhen a slider is in RTL flow direction, and thus its position is changed, the handle is not drawn at the correct position during mouse drag. ...