Unreal Engine Issues

Moving RecastNavMesh in the level and then toggling Display settings causes the navmesh to move in the level

If the user moves the RecastNavMesh actor in the level, the navmesh will be offset each time they change a Display setting in the Details panel. ...

Setting the Falloff Distance of a Sound Wave/Cue to 0.0 will no longer Play Sound

As the title suggests, whenever you add a Sound Cue or Wave to a level and set it's 'Falloff Distance' to 0.0 the sound will no long play. I have attached a project to provide a simple regression t ...

Niagara Simulation Stage + DynamicMaterialParameters crash

deleting the code "&& SimulationStages[i]->bEnabled" in UNiagaraEmitter::GetScripts will bypass the problem [Image Removed] ...

4.22.1 Crash in FVulkanResourceMultiBuffer::Lock

Vulkan Multibuffer Lock mechanism for ReadOnly does not appear to be implemented. Temporary workaround has been provided to licensee. ...

MipLevel sample mode doesn't work as expected in Adaptive RVT

[Standalone Installer] The binaries for Mac are missing

Project Crashes with Warning: LightPropagationVolume.dll is Missing From Your Computer

After disabling LightPropagationVolume in Plugins Editor, upon restart editor issues warning message 3 times and crashes, leaving project unable to be opened. REGRESSION: This does not occur in UE ...

Compiling on Mac fails if build path has spaces

UPDATE: We were able to get around this issue by renaming our external drives. The actual problem is that Mono's xbuild fails to build UnrealBuildTool QA REGRESSION: YesWORKING: 2386770BROKEN: 23 ...

Crash upon opening Windows 64 bit development build with only DX10 RHI enabled

When packaging with only support for DirectX10 RHI, the editor will crash after hitting "OK" on the window that mentions that the Global Shader Cache file is missing. This was encountered while run ...

Curl Noise Force Not Applying to Niagara Emitter

Curl noise force will not affect a Niagara particle regardless of strength. Current work around is to disable then re-enable "apply forces" under "solve forces and velocity" Found in 4.20 CL# 4233 ...