Unreal Engine Issues
Unreal Engine Issues
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Crash when a floor mesh is removed while a Vehicle has SimulatePhysics disabled
UE - Runtime - SimulationWhen SimulatePhysics is disabled, the constraint update is skipped, so a reference to an invalid (already-removed) particle is left behind. A...
Level Sequence spending long time validating assets
UE - ACT Character - Control RigHi After migrating our animation project from 5.7 -> 5.8 we notice that some level seqeunces take much longer to save (during validation stag...
Sequencer Crash (GC Leak) in Editor
UE - ACT Character - SequencerA GC leak, similar to the one fixed by 44483919 but for Level Sequences in Level Instances rather than ones with Widgets. A Level Sequence Ac...
[Mutable] Morph Targets can be disabled in packaged builds when Mesh Streaming is enabled
UE - Runtime - MutableWhen a Mutable mesh instance is created while the actor spawns at a distance, only the low LODs are generated, and the mesh is created with no...
Bake To Control Rig produces empty keys when rig uses Import Skeleton in Construction Event and binding is a spawnable in a subsequence
UE - ACT Character - Control RigBake To Control Rig fails to key procedurally-created controls when all three of the following are true:The Control Rig creates its hierarchy ...
Instanced Actors: Editor preview don't show correct relative mesh transforms
UE - Engine Scaling - MassContext Actors can be converted into Instanced Actors via the IA plugin. During runtime and in the editor, an instanced actor’s visual is gen...
Landscape Textures Patches issue when using "Texture Backed Render Target" as the Height Patch Source Mode where Landscape patches are not applying properly the first time a level is opened after restart
UE - Graphics Tools - Terrain - LandscapeContext: Landscape patches are components that can be attached to meshes to affect the landscape as the mesh is repositioned. Problem: The pr...
MRG - Cinematic Assembly Tokens From Metadata Return Empty When Rendering
UE - CAPT - Color Pipeline and Rendering - MRQMetadata defined on a Cinematic Assembly isn’t accessible as naming tokens when rendering with Movie Render Graph. Global naming tokens defin...
Cannot get Texture Size property from Texture Collections
UE - Rendering - Architecture - MaterialsThe following error is shown when attempting to use the Texture Size of a Texture Collection texture object: Texture size only available for ...
Possible shader preload deadlock when using Zen streaming
UE - Rendering - ArchitectureThe deadlock happens when enough shader preload are launch in parallel on a slower IO backend (like zen). When that happens, the preload start...