Crash occurs when searching for a directional light on Advanced_Lighting map

Rendering - Jun 14, 2021

When using the Place Actors panel on the Advanced_Lighting map a crash occurs when searching for a directional light. I was only able to reproduce this issue on that map. This issue is occurring ...

PDO black pixel artefacts while moving

Rendering - Jun 14, 2021

Worth noting on PC this is visible but doesn't always occur.  [Image Removed] ...

Color space transform in the UI composition is incorrect on DX12 HDR (r.HDR.UI.CompositeMode=1)

Rendering - Jun 11, 2021

Color space conversion in the UI composition is incorrect on DX12 HDR. In the main() function In CompositeUIPixelShader.usf, you can see the following color space transform.// sRGB -> RRT -> ODT ...

Masked areas render as black if material uses any virtual texture

Rendering - Jun 9, 2021

Masked materials that sample virtual texture don't function correctly. They render black instead of masked. This happens when there is no depth pre pass enabled. Automatically enabling depth pre p ...

Different instanced materials are seen as the same material due to GUID

Rendering - Jun 3, 2021

See licensee description of the issue: The problem appears when I have two instanced materials with the same number of parameters. I've noticed that ShaderMapId has MaterialLayersParameterIDs where ...

Decals can't use TransformLocalPositionToWorld material node

Rendering - Jun 1, 2021

Likely we just need to create a new macro to enable TransformLocalPositionToWorld and TransformLocalPositionToPrevWorld in alternative use cases such as this. ...

Shadows can appear interrupted

Rendering - May 28, 2021

Screenshots of the issue are attached. Shadows can appear interrupted and cut off in UE5 Early Access This issue is occurring in //UE5/Release-5.0-EarlyAccess Binary CL 16433597 This issue is NOT o ...

DistanceToNearestSurface used for post process broken when separate actor culled

Rendering - May 27, 2021

This one may not necessarily be a bug, as this is related to the nature of culling. If it is not, please let me know if there is an alternative method the licensee could use here in order to track a ...

Crash in virtual texturing when material instance texture sample param is switched to a non-square texture

Rendering - May 27, 2021

The 4kVT is applied correctly, and you can switch the master material sampler to use the 2048x1024 texture, but if you switch it via the material instance param instead, the crash occurs. ...

Motion blur on player/weapons with TAA

Rendering - May 27, 2021

Looks like this can occur with motion blur off aswell, so likely it's a TAA motion vector issue. Similar issue occurs in UE5 (see [Link Removed]) ...