Unreal Engine Issues

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 ...

When TSR is enabled, the maximum brightness is clamped to about 16000.

You can also check it by enabling real-time rendering in the NewMap.umap of the attached project, and then clicking on "High Resolution Screenshots". (You may need to disable and enable post-process ...

MAC: dSYM files are included in packaging when "include debug files" is checked off

When packaging settings are set to "Shipping" with "include debug files" checked off, UE4-Game-Mac-Shipping.dsym is still present in packaging adding a non-essential 619mb of data. ...

Cannot manipulate morph targets unique to Slave Component through Master Component

Cannot manipulate morph targets that are unique to the Slave Component through the Master Component. So the situation here is that the Head(Master) does not have the "BeerBelly" morph target, but t ...

Adding HISMC instances resets wind for all existing instances

When adding new HISM instances, actors using SpeedTree -> WorldPositionOffset material are reset. 4.19 Repro project provided by user. I was unable to get WPO wind working in 4.18, I did noticed th ...