Unreal Engine Issues

Frustum culling provides inconsistent results causing particles to render even when the bounds are out of view.

When the camera is just outside of the box bounds and it is angled directly away from it , it will start rendering the particles again (as determined by stat GPU differences) despite being out of vi ...

InstanceLocalBounds is lost when calling GetCustomUniformBufferResource

Looks like he data is being lost along the chain from our call to GetCustomUniformBufferResource and is erased in both FPrimitiveSceneProxy::UpdateUniformBuffer and in FPrimitiveSceneShaderData::Bui ...

Volume material doesn't support EyeAdaptation node

check(!bPostTickComponentUpdate) fails triggered by UNiagaraComponent::CreateRenderState_Concurrent() and StaticMeshCompilingManager::FinishCompilation()

Reported alongside [Link Removed] Context: Some ActorComponents can schedule end-of-frame work which UWorld executes later in the frame in UWorld::SendAllEndOfFrameUpdates(). By-design it appears t ...

Client Ensure FShaderMapResource_SharedCode::ReleaseRHI is still referenced on exit/shutdown

Very rarely, the game client will crash on shutdown and the log will contain messages that look like: LogOutputDevice: Error: Ensure condition failed: false [File:Engine\Source\Runtime\RenderCore\ ...

Crash from RDG limit when using Warmup

We need to better detect when we need to flush to avoid hitting the RDG limit. There is no test project at the moment, more details can be found here ...

YCoCg to sRGB?

Both the material and the Niagara compute shader use the same function to interpret the YCoCg color data, but the Niagara compute shader returns an incorrect color. Also found on CL: 32347737 in Re ...

Sparse volume textures displayed in Heterogeneous volume only visible in left eye

Sparse volume textures displayed in Heterogeneous volumes are only visible in the left eye, as well as Niagara Fluid Sims. UDN for reference: [Link Removed] ...

GPU ribbon links can occasionally fail

Sometimes GPU ribbons will link between one another like this, checking in the debugger you can see that the RibbonIDs are different. [Image Removed] ...