Unreal Engine Issues
Unreal Engine Issues
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Mass instanced skinned mesh sweep removes instances without freeing their ASTP tracks
UE - MVF Character - AnimationWhen an entity stops being batched into an instanced skinned mesh component, the "Collect unwanted items & remove" sweep removes its instance,...
Mutable Material Switch node not working
UE - Runtime - MutableWhen using the Material Switch node in Mutable (UE5.8), I do not seem to get pins to wire in my Materials to switch between. Other switch node...
Substrate: FPrimitiveViewRelevance::operator|= bitwise-ORs SubstrateUintPerPixel, inflating the per-pixel byte count and asserting under the blendable GBuffer
UE - Rendering - Features - Shading ModelsA crash can occur due to this check in Substrate.cpp when a material with 2 units and a material with 5 (20 bpp) uints are combined triggering...
[SSAM]Textures that are still compiling are all counted as UnknownRef
UE - World Creation - Worldbuilding ToolsIn UE5.8, the texture scale fallback is no longer applied when SSAM is enabled. As a result, if a material cannot access its TextureStreamingD...
FDebug::EnsureFailed will only broadcast OnHandleSystemEnsure 4 times.
UE - Core - SystemsA licensee is reporting that OnHandleSystemEnsure will only be broadcasted for the first 4 ensures in the life of the process. This is hardcod...
Renamed controls creating duplicate curves in sequencer that once fixed up cause selection issues.
UE - ACT Character - Control RigWhen a control is renamed after it has already been animated in a sequence, the control curve name map needs to be fixed up. Once it is fixed,...
Deploy device not saved in Project Launcher
UE - EditorThe deploy device selected in project launcher custom profile does not get saved. After restarting the editor, all selections are cleared, and...
Particle Random Value is the same for all particles with a Niagara Mesh Renderer
UE - Rendering - Architecture - NiagaraA material using the Particle Random Value node returns the same value for every particle drawn by a Niagara Mesh Renderer. Particle transform...
Uploading of the SBT via copy queue is not guaranteed to be synced with async compute queue but only direct queue in d3d12
UE - Rendering - Features - Ray TracingWhen HitLighting is enabled, SBT commit is running on the Graphic Queue, and the pass "LumenSceneLighting->offscreenshadows->LumenDirectLighti...