Unreal Engine Issues
Unreal Engine Issues
[CrashReport] UE4Editor-CoreUObject.dylib!FArchiveAsync2::Serialize()
UE - Foundation - Core - Cooker - Nov 2, 2017This is an infrequent Mac crash that has occurred for a few users between 4.17 and 4.18. Users have not provided any descriptions of their actions when the crash occurred. Callstack from Log[2017 ...
Rendering of a Text Widget with Outline does not track LayerId correctly
UE - Editor - UI Systems - May 27, 2025Text widget with Outline uses 2 LayerId levels to draw the outline and the text glyphs. This can be seen in function FSlateElementBatcher::AddShapedTextElement(), where lambda BuildFontGeometry() is ...
Failed to build in Github UE4.27.0.
UE - Simulation - Physics - Aug 30, 2021Failed to build UE4.27.0 with Win64/Development Editor. Can avoid this error that excluding the project from build configuration. (Solution UE4->Properties->Configuration Properties->Configuratio ...
Matinee tracks do not override Sound Notifies from AnimToPlay when using "Initial Position"
Tools - Oct 22, 2015In the attached project, there is an animation (with a sound notify) plugged into the AnimToPlay slot. The Initial Position is set to 0.5. The matinee in the scene overrides the animations applied ...
[CrashReport] UE4Editor-MetalRHI.dylib!FMetalRHICommandContext::RHIEndDrawIndexedPrimitiveUP()
UE - Graphics Features - Nov 2, 2017This is a trending Mac/Metal crash in the 4.18 release, although although it has existed with low frequency since at least the 4.16 release. Users have not provided any descriptions of their actions ...
Steam friends list is duplicated when opened for a second time in the packaged version of Shooter Game
UE - Networking - Jun 29, 2015If a user is logged into a Steam account with between 1 and ~10 friends (Max depends on resolution, as it'll push the excess off the screen) and they open the friends list multiple times, it'll dupl ...
HTML5 packaging fails with Github couldn't verify LLVM version
UE - Platform - Mobile - Jun 21, 2016Packaging code projects on Mac for HTML5 fails. A lot of Could not verify LLVM version warnings appear in the output log.[2016.06.21-22.27.10:488][413]UATHelper: Packaging (HTML5): UnrealBuildTool: ...
Crash undoing variable change in Animation Blueprint.
OLD - Anim - Aug 1, 2016Crash occurs when the user changes a variable in the animation blueprint, and then undo's the change. Note that this occurs with any variable being used, but the callstack will be some what differe ...
[Feature Request] Cook in the Editor should only save Asset Registry for the cook target platform
UE - Foundation - Core - Cooker - Jan 18, 2018Request from Licensee: When launch Launching in the editor, it seems that asset registries of platforms other than those specified in Launch are also generated. LogAssetRegistryGenerator: Startin ...
Mac - Media Player - Web Cam not accessible
Media Framework - Jan 20, 2020Audio/Video Devices are no longer accessible via Media Player on Mac. User info: "We think it is connected to camera and microphone privacy. We have got a crash trying to access to camera from cust ...