[OPENGL]: Enable Subsurface Scattering

Tools - Jun 29, 2015

Subsurface scattering is disabled on all OpenGL platforms despite the shaders being properly translated & OpenGL platforms supporting the relevant CPU-side APIs. This also affected Metal for the WWD ...

Cannot click send in CrashReportClient on Mac

UE - Foundation - Core - CrashReportClient - Oct 24, 2016

The CrashReportClient does not allow the send buttons to be clicked on a Mac. The client works fine on Windows. This works in 4.13.2. Works in: 4.13.2 - 3167898 Broken in: 4.14.0 - 3171634 WORKA ...

"Assertion Failed" crash while Force Deleting the FirstPerson folder within FirstPersonTemplate project

UE - Gameplay - Oct 28, 2016

The Editor crashes while Force Deleting the FirstPerson folder within a FirstPersonTemplate project. This behavior is consistent between Blueprint / Code versions of FirstPersonTemplate projects. ...

Level Visibilty track in Sequencer does not play in PIE

UE - Anim - Sequencer - Dec 29, 2016

When setting the Sublevels hidden in Sequencer, the sublevels become hidden in the viewport, but does not hide when it is played in PIE. To test if the sequence played at start, I added a cube to t ...

Drop down menus clip on 27" Screen iMacs

UE - Platform - Apple - Mar 17, 2017

Drop down menus clip on 27" Screen iMacs (See attached images.) Reported from a 27" iMac and tested on a 27" iMac here. Other models may be affected. *Image with Blue circled areas are from the use ...

[CrashReport] Mac crash - FMetalRenderPipelineDesc::CreatePipelineStateForBoundShaderState

UE - Rendering Architecture - RHI - Aug 25, 2017

This is an infrequent Mac crash that has been affecting users since at least 4.15. Users have not provided any descriptions of their actions when the crash occurred. The callstack is similar to the ...

IsTraceHandleValid with default FTraceHandles has unexpected behavior on the first frame

UE - Simulation - Physics - Sep 18, 2018

Because both FWorldAsyncTraceState's CurrentFrame and FTraceHandle are default initialized to 0, on the first frame, if a new Asnc Trace starts all default FTraceHandles will reference the same (now ...

Crash when adding Emitter in parameters in Niagara

UE - Niagara - Jun 7, 2018

When adding an emitter to a Niagara System, in 4.20 Preview 1, the Editor freezes up and crashes. ...

[XBox] -Switching to very high sample rate audio device on XBox causes crash

UE - Audio - Nov 3, 2022

When switching to an audio device with an unsupportedly high sample rate on XBox, XAudio2System->CreateMasteringVoice will crash. Ideally, it would give a warning instead and swap to the null render ...

"Failed to find object 'Class None'" in project log after creation

UE - Foundation - Core - Nov 17, 2014

Users reported seeing the line "LogUObjectGlobals:Warning: Failed to find object 'Class None.'" in the Output log after creating a project. I was able to confirm in a new blank code project without ...