Unreal Engine Issues
Unreal Engine Issues
Lightmass Build Hanging at Specific Percentages
UE - Graphics Features - Sep 11, 2015Lighting will build indefinitely in certain circumstances and can be verified in Swarm Agent that it will continue to process the maps even though the log shows it has completed. This is happening i ...
[OPENGL]: Enable Subsurface Scattering
Tools - Jun 29, 2015Subsurface 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 ...
While a Custom Event's delegate pin is connected to anything its details are not visible in the Details panel
UE - Gameplay - Blueprint - Oct 27, 2015While a Custom Event's delegate pin is connected to anything its details are not visible in the Details panel. Tested with an empty reroute node as noted below as well as a Set Timer node. Reproduc ...
Crash Occurs When Attempting to Use Validated Get on a Local Variable
UE - Gameplay - Blueprint - Jan 13, 2016In a function, creating a local Pawn or Actor variable, getting it, and then converting the Get to a Validated Get will cause the editor to crash upon compiling the blueprint. Found in 4.10.2 binar ...
Memory Usage Remains High After Exiting PIE
Tools - Nov 24, 2015Originally, a project that uses about 500 mb of memory spikes to over 2 gigs during PIE. After exiting PIE, the memory usage remains well over 2 gigs and continues to rise. Found in 4.10 Binary. R ...
Drop down menus clip on 27" Screen iMacs
UE - Platform - Apple - Mar 17, 2017Drop 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, 2017This 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, 2018Because 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 ...
Matinee not triggering when moved from one level to another
Tools - Oct 19, 2015It appears that if you create a Matinee in a Sublevel, and then subsequently move the matinee between levels. It will not keep associations with the attached actors in the Matinee and not trigger e ...
"Failed to find object 'Class None'" in project log after creation
UE - Foundation - Core - Nov 17, 2014Users 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 ...