Unreal Engine Issues

Display states from Solidworks assemblies are not correctly imported

FCanvasTriangleRendererItem relies on BaseVertexIndex not being zero.

The root of this issue is that FLocalVertexFactory is doing manual vertex fetch in the shader. In HLSL, this relies on SV_VertexId. In GLSL, it's gl_VertexId. HLSL does not include the base vertex i ...

Editor hits Asserts when trying to use debug rendering such as ShowFlag.LODColoration

The assert in BasePassRendering.cpp:693 fires, crashing to desktop when using this console command in the editor, in PIE, and closes out the window when playing in Standalone. Does not crash when us ...

Landscape visualizer artifacts with nanite enabled

Incorrectly displayed LOD VertexColor until Paint Mode is Selected

It seems that the attachment project's assets are Incorrectly displayed regarding LOD VertexColor until paint mode is selected. I attached the movie to explain this problem by licensee. Near LOD0 s ...

[CrashReport] UE4Editor_D3D11RHI!FD3D11DynamicRHI::SetResourcesFromTables<FD3D11PixelShader>() [d3d11commands.cpp:1500]

User comments in crash group:Light exort crashSwarm agent crash.Building lighting 1496 #if !(UE_BUILD_SHIPPING || UE_BUILD_TEST) 1497 if (!Buffer) 1498 { 1499 ***** UE ...

Baked materials containing Texture Object are black

Using a texture object in material when creating a baked material will result in black material. Confirmed in 4.23 MAIN @ CL 5806859 User also reports "this also applies to the material as seen by ...

Crash on IOS with spotlight shadow

Post Processing Settings do not update in Persona when the values are changed in Preview Scene Settings

The post processing effects do not update in the Persona Viewport in realtime. They will take effect if the post process setting is disabled and renabled. This is a regression. ...

Material Vertex Interpolator with a scalar output is replaced by MCT_Float1 in the output translation which can cause arithmetic errors