Unreal Engine Issues
Unreal Engine Issues
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[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 - 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 - Audio - 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....
MRG - Actors with deformers do not deform when holdout is enabled in Movie Render Graph
UE - CAPT - Color Pipeline and Rendering - MRQActors with deformers do not deform when holdout is enabled in Movie Render Graph [Link Removed] From EPS: We use Movie Render Graph with mu...
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. ...
Light Function and Post Process domain material thumbnails show the default material
UE - Rendering - Architecture - MaterialsSince 5.8, materials whose Material Domain is Light Function or Post Process no longer preview correctly in the editor. They render as the def...