Unreal Engine Issues
Unreal Engine Issues
Intermittent Crash using Rewind Debugger in Game Animation Sample
UE - Anim - Gameplay - Oct 25, 2024Licensee is reporting an intermittent crash when using the rewind debugger in the Game Anim Sample. ...
CharacterMovement doesn't clear velocity
UE - Simulation - Physics - Oct 11, 2024Velocities are not being cleared when physics simulation set to false. ...
Niagara Editor Viewport will crash when rendering opaque materials with Mobile Multi-View and Mobile Vulkan Preview Enabled
UE - Niagara - Rendering - Sep 18, 2024The Niagara viewport will crash when rendering opaque sprites if Mobile Multi View and the mobile preview are enabled. Additive materials do no crash, and if the viewport is not set to lit it does ...
Creating an HLOD with a FallbackMesh that has a section with triangles=0 will incorrectly set the UVs of the StaticMesh
UE - World Creation - Worldbuilding Tools - HLOD - Sep 11, 2024The UVs in HLOD's StaticMesh appear to be broken when there are sections with zero triangles in the fallback mesh. This is most likely the case for sections containing only small parts. Workaroun ...
AnimNotifies get reproduced more times than expected.
UE - Anim - Sep 3, 2024When setting an AnimNotify to an AnimationSequence, this AnimNotify can be triggered multiple times when only set once. This issue only happens when the mentioned AnimationSequence that contains the ...
UEdGraph pointer data is not correctly un-done and graph nodes are lost when declared as a UObject property
UE - Framework - Blueprint Editor - Aug 9, 2024When an undone operation is done for a UObject property that has a UEdGraph*, the modified UEdGraph nodes are lost. This UObject needs to be created/spawned in an Editor Environment by another Obje ...
In ULevelStreamingLevelInstance::UpdateStreamingState, AddToWorld() is called before OnLoadedActorsAddedToLevelPreEvent causing ID clash
UE - World Creation - Worldbuilding Tools - Jul 16, 2024ULevelStreamingLevelInstance::OnLoadedActorsAddedToLevelPreEvent has a comment that states it must be called before actors are registered with the world, but in ULevelStreaming::UpdateStreamingState ...
Integer overflow in NaniteBuilder can lead to an editor crash on certain meshes
UE - Graphics Features - Nanite - Jul 10, 2024NaniteBuilder uses an int8 type for ExternalEdges and counts adjacency with a int32. The bug stems for the cast to int8 when adding the adjacency count into the ExternalEdges array. The precision l ...
The default Direct Link texture path is no longer set in Twinotion settings
TM - Interoperability - Jun 27, 2024Default path for DL is not correctly set and should be set to the following: C:\Users%USERNAME%\Documents\Twinmotion2024.1\DirectLinkTextures See attached screen-shot ...
Strange results with HeightToNormalSmooth on Nanite meshes
UE - Rendering Architecture - Jun 3, 2024This appears to also occur on meshes that aren't set to Enable Nanite at all. [Image Removed] ...