ODSC - Launching a newly created project via UnrealFrontend fails to load some materials and crashes

Rendering - Sep 6, 2021

The same repro steps on 4.26.2 will launch the project successfully. Packaging a project once to create complete ShaderMaps will work around the issue. ...

Splitscreen View2 influences translucency in view 1

Rendering - Sep 2, 2021

The videos + screenshots in the zip file show the issue on the modified gun sight. The licensee has provided a suggested fix here -[Link Removed] ...

>1ms increase in frame time with showflag.translucency , despite minimal translucency in the scene

Rendering - Sep 2, 2021

Licensee reports this change, and can confirm a very rough similarity observed in a template project in 4.27: [Image Removed] ...

Pixelated volumetric translucent shadows

Rendering - Aug 17, 2021

I narrowed down the issue to the Main call of ShadowProjectionPixelShader, and tested (on 4.26 and 4.27) a combo of different material and light shadow settings, as well as enabling transmission on ...

Vertex Interpolators broken in landscape materials

Rendering - Aug 17, 2021

D:/Unreal/UE4_Release-4.27/Engine/Shaders/Private/LandscapeVertexFactory.ush(788,3-59): Shader FDebugViewModeVS, Permutation 0, VF FLandscapeVertexFactory[Image Removed]:/Unreal/UE4_Release-4.27/Eng ...

Editor crashes when dragging the BP_LightStudio asset into the level

Rendering - Aug 12, 2021

When dragging the BP_LightStudio asset, that is included in Starter Content, the engine crashes. Out of the 4 times I reproduced this, one of the instances didn't crash until I dragged the BP_LightS ...

GPU Debug Label is not set on some textures

Rendering - Aug 11, 2021

texture streaming is one of the reasons that drop the label but not the only reason. add a line of code RHIBindDebugLabelName(NewTexture, *OldTexture->GetName().ToString()); into FMetalDynamicRHI:: ...