Ensure triggered when creating Scene Proxy for GroomComponent

UE - Rendering Architecture - RHI - Apr 30, 2025

When a room component is added in C++ via the actor constructor, an ensure is triggered from precaching and the groom component. Behavior also observed on UE5/Release-5.5, CL: 40988944 ...

Switching project monitor with shift+win+arrow keys

UE - Rendering Architecture - RHI - Apr 24, 2025

Using Windows+Shift+Arrow keys to move the application window in Windowed Fullscreen from a low resolution monitor to a high resolution monitor does not resize the application window on a Windows 10 ...

Engine no longer compiles after backporting RHI thread improvements and crash fix

UE - Rendering Architecture - RHI - Apr 24, 2025

Unreal Engine 5.4 code will no longer compile after applying both the RHI improvement code changes as described in [Link Removed] and the fix for the crash described in [Link Removed]. The compilati ...

Crash in GPUMessage.cpp when resetting FSocket when RHI is NullRHI.

UE - Rendering Architecture - RHI - Apr 5, 2025

When tearing down a nanite project with the nullrhi active, there is a crash in the FeedbackManager destructor that causes any exit to be unclean. The teardown process causes a crash as the destruc ...

GPU crash accessing Scene_GPUScene_GPUScenePrimitiveSceneData

UE - Rendering Architecture - RHI - Mar 11, 2025

GPU crash in DistanceFieldShadowing LoadDFObjectDataFromBuffer

UE - Rendering Architecture - RHI - Mar 11, 2025

GPU crash in LumenRadianceCache ClearProbeIndirectionCS

UE - Rendering Architecture - RHI - Mar 11, 2025

Resolution retrieval issues caused by multi-monitor hot-swapping.

UE - Rendering Architecture - RHI - Feb 24, 2025

I looked into the underlying code, and it seems that this situation is not well handled. One possible solution is to trigger EnumAdapters() when the system fires the WM_DISPLAYCHANGE message. This ...

Synthetic benchmark is affected by Scalability Settings

UE - Rendering Architecture - RHI - Feb 19, 2025

Sumo Digital Ltd. has reported that the synthetic benchmark has skewed GPUIndex scores when changing graphics scalability settings (i.e. r.LumenScreenProbeGather.DownsampleFactor). They are currentl ...