Unreal Engine Issues

DX12 crash by lost device while building PSO

It seems to be occurred when exiting fullscreen exclusive mode during the PSO build. And it seems to happen during the loading screen as well as the PSO build. What I suspect is that when focus los ...

[Synth][Tone Generator] - Editor crashes when Starting Synth Component Tone Generator

Starting a SynthComponentToneGenerator crashes the editor with the following assert:Assertion failed: bSuccess [File:D:\build\++UE5\Sync\Engine\Source\Runtime\SignalProcessing\Private\AudioBufferDis ...

Source control commandlets do not consistently check provider status for read only or checkout and instead rely on read only state of files

Automotive Materials - ClearCoat Specular Artifact with Saturation ~1

[Link Removed][Link Removed] ...

[Debug Tools][Crash] - Enabling au.editor.ForceAudioNonStreaming causes editor to crash the next time the user PIEs

Encountered while going through some debug commands. Repro 3/3. Crash Reporter Link: [Link Removed]Assertion failed: ChunkIndex != 0 [File:E:\User\Engine\Source\Runtime\Engine\Private\AudioStreaming ...

Depth of field rendering artifacts - flickering and masking

Flickering and large flashes can be seen on reflective objects that are out of focus with DOF enabled. DumpGPU shows that artifacts are visible in TSR . ...

Niagara Fluids Plugin creates a memory reference of any saved level by only being active, before being actually used.

While Niagara Fluids Plugin is active it creates a memory reference of any saved level regardless of being actually used. Simply enabling the plugin shows a memory reference while deleting the level ...

Using multiple SceneCapture2D with DLSS Enabled crashes UE

A licensee is reporting a crash (or rather a check fail) in Sceneview.cpp which happens with when a SceneCapture2D is used with DLSS enabled. He has a fix, and wants to share it with us for integrat ...

Editor window changes size each time the same project is opened

The editor window is slightly bigger each time you open the same project. This doesn't persist over to any other project. I also checked in 4.8 from p4, this also occurs in: 4.8 /UE4/Promoted-CL ...

Crash, Couldn t find Shader FHitProxyVS for Material Resource M_Glass

Changing the properties of M_Glass and M_Metal_Copper to two sided via the property matrix crashes the editor to desktop. (Note: M_Glass with ANY of the M_Metal Materials except M_Metal_Chrome will ...