Unreal Engine Issues
Unreal Engine Issues
HLOD Build crashing when building nanite for mesh with 2 material having the same parameters
UE - World Creation - Worldbuilding Tools - HLOD - Dec 2, 2023From Licensee: Catching the exception with debugger allowed us to find a list of materials on the hlod mesh on which the error occured and we were then able to link it to one of our meshes causing ...
VectorNoise Material Expression Position's tooltip says it accepts 2 or 3 dimensional vectors, but the node raises an error if a Float2 is input
UE - Rendering Architecture - Materials - Dec 1, 2023[Image Removed] ...
Volumetric fog flicker side screen
UE - Rendering Architecture - Nov 29, 2023The flicker is visible in Epic scalability as well, it is just smaller on screen because the fog voxels are smaller (r.VolumetricFog.GridPixelSize). ...
Nanite shadow issue in commandline rendering
UE - Graphics Features - Nov 28, 2023Setting Texture Group "UI" from Editor Utility Blueprint at Import causes a crash
UE - Texture - Nov 28, 2023In Blueprint, binding a custom event to OnAssetPostImport and setting TextureGroup to UI causes the UE editor to crash. But if it sets to the other group like "World" or "Character", this crash does ...
UMovieSceneDMXLibrarySection::GetFixturePatches returns invalid patches
UE - Virtual Production - IO - DMX - Nov 28, 2023UMovieSceneDMXLibrarySection::GetFixturePatches() returns an invalid patch as follows. The if condition needs to be corrected. TArray<UDMXEntityFixturePatch*> UMovieSceneDMXLibrarySection::GetFixt ...
Delayed movement adjustment can include incorrect movement mode
UE - Gameplay - Player Movement - Nov 27, 2023It's possible for the server to send a client's character a movement correction with the wrong movement mode. This can occur if a project has client adjustment throttling settings enabled: Networ ...
PSO Creation hangs on task in Shipping build
UE - Rendering Architecture - RHI - Nov 27, 2023Running with `r.AsyncPipelineCompile=0` causes the issue not to happen. It fails to open about 4 times out of 5. No such problem in development build., it always succeeds. We noticed that if we de ...
Ensure in GatherSubobjectData
UE - Gameplay - Nov 27, 2023An ensure in GatherSubobjectData is being hit under certain inheritance conditions. This appears to be similar and potentially related to [Link Removed] and the fix at CL 16377852. Stepping through ...
Luminance coefficients used throughout the engine not matching sRGB standard
UE - Virtual Production - Rendering - Color - Nov 27, 2023This is causing confusion when working with color in UE5, specifically when validating for HDR between different reference materials. It has also been noted that the color primaries in PAL and NTSC ...