Unreal Engine Issues

Index of Texture Cube Array cannot be specified with VisualizeTexture on D3D11

Licensees have reported that they always see Index 0 for Texture Cube Arrays. Looking at the RenderDoc, Index1 has a white texture but it's not actually visible.[Image Removed] ...

r.GTSyncType 2​ console command causes incorrect frame rate display on Windows platform

The FRHIFrameFlipTrackingRunnable thread is not initialized on Windows, so RHIGetFrameRate always returns zero. As a workaround, remove the code added by CalculateFPSTimings for Windows platform, a ...

Crash occurs when executing r.RHIThread.Enable 2 command

This is not a regression. Tested in //UE5/Release-5.0 CL20379098 Editor crashes with an assertion after executing the command r.RHIThread.Enable 2 ...

Crash in Vulkan when changing Source Texture for Rect Light

Regression: Tested in UE5/Release-5.0, no crash occurs so this is a regression No crash occurs in 5.0, but the rect light's light does not change based on the Source Texture. Rect lights function a ...

Crash in RHICommandContext& GetContext() in Test/Shipping builds when bUseChecksInShipping is true

RHIinit() calls GRHICommandList.GetImmediateCommandList().GetContext() to make sure that GDynamicRHI->Init() initialized the immediate command list (by calling FRHICommandListImmediate::InitializeIm ...

r.AllowOcclusionQueries 0 keeps increasing PrimitiveOcclusionHistorySet memory

r.AllowOcclusionQueries 0 skips the call to TrimOcclusionHistory(), so the PrimitiveOcclusionHistorySet container continues to grow. ...

Crash after enabling iOS Metal Desktop Renderering and then enabling iOS SM5 Preview Rendering Level

Landscapes cause Vulkan crash related to GRHISupportsAttachmentVariableRateShading

Binary (Installed Build)//UE5/Release-5.1 @CL22986940 I encountered this same crash when creating a landscape twice, but was not able to consistently reproduce it with those steps. I figured out th ...

Crash occurs when disabling Show > Static Mesh in the Viewport while using Vulkan

This is a regression. Tested in: //UE5/Release-5.0 CL 20979098 - Crash did not occur. Crash occurs when disabling Show > Static Mesh in the Viewport while using Vulkan. ...

Command buffer failure rates increased on iOS 15 devices compared to earlier iOS versions

There is a licensee report that command buffer failure rates on iOS 15 devices have increased compared to earlier iOS versions, and the issue may be related to foregrounding or backgrounding. ...