Unreal Engine Issues

CustomDepth Stencils does not work with Nanite enabled meshes

Regression: Tested in UE5/Release-5.0, this issue occurs as well so regression is no. ...

Decals custom depth/stencil side effect from Lumen

The order of passes related to Decal rendering (without the DBuffer) and CustomDepth is changed by the CVar "r.Lumen.AsyncCompute", even when Lumen is not enabled. This causes Decal Materials that ...

Translucent materials appear in all stencil layers when rendered in the Movie Render Queue

No matter how many passes there are translucent objects will appear in all of them. A notable case is particles, as their materials are often translucent. Using masked materials is a possible workar ...

r.SSR.Stencil - strange default behaviour where reflections are culled automatically and disappear.

Stencil Test Post Process Breaks in Stereo Rendering

[Link Removed] post process material is blacking out our left eye A test project is provided. ...

Custom Depth Post Process Stencil does not work with Material Billboard on Actors

MaterialBillboardComponent does not render with CustomDepth material in PostProcessVolume as other objects do. Found in 4.16.3 CL 3561208, 4.17.2 CL 3658906, 4.18.1 CL 3454814 ...

Striped Stencil Artefacts across scene under OS X using ATi 4xx0 GPUs

From AnswerHub: Lighting problem [Mac] I am currently testing UE4 on a Mac at my college, but there are these strange lines where light is being cast onto surfaces. I'm currently wondering if this i ...

UMG element clipping does not work on Galaxy S8 (Mali)

UMG clipping requires stencil. Seems like we don't request stencil when creating backbuffer Changing const int EGLMinStencilBits = 0; to const int EGLMinStencilBits = 8; fixes this. ...

[CrashReport]libUnrealEditor-RenderCore!FRDGEventScopeOpArray::Execute(FRDGBreadcrumbState&) [RenderGraphEvent.cpp:149]

Generated from CrashReporter Error Message:Assertion failed: !EnumHasAnyFlags(StencilAccess, AnyCopy) [File:./Runtime/VulkanRHI/Private/VulkanBarriers.cpp] [Line: 439] Only the Stencil being transi ...

Render target size mistmatch in ShaderDrawDebug

We found a d3d debug validation assert in RDG_EVENT_NAME("ShaderDrawDebug"), with the full DLSS integration. It however also reproduces in  (4.25.1-release, dev-rendering and the plugin branch with ...