Unreal Engine Issues
Unreal Engine Issues
[CrashReport] UE4Editor-ApplicationCore.dylib!FMacWindow::ApplySizeAndModeChanges()
UE - Platform - Apple - Oct 27, 2017This is an early trending Mac crash in 4.18. Users have not provided any descriptions of their actions when the crash occurred. Callstack from LogLogAssetRegistry: Asset discovery search completed ...
[CrashReport] Linux crash - FScopeContext::FScopeContext()
UE - Platform - Linux - Oct 5, 2017This is a somewhat common Linux crash occurring in 4.17.2. (there are a few older records in 4.16.2 and 4.17.1 also, but most occur in 4.17.2) Callstack from Log[2017.10.04-14.49.42:768][ 2]LogFi ...
[Device Swap][Crash][Stadia] - Crash changing audio device from 5.1 to stereo
UE - Audio - Mar 10, 2021There's a crash on stadia when changing the audio device from 5.1 to stereo. There's also a related issue where voice chat breaks when changing from 5.1 to stereo. The background is that CL14889950 ...
[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 ...
[CrashReport] FMacWindow::ApplySizeAndModeChanges | SWindow::ReshapeWindow()
UE - Platform - Apple - Dec 1, 2017This is an infrequent Mac crash in 4.18. Users have not provided any descriptions of their actions when the crash occurred. The callstack is similar to both [Link Removed] and [Link Removed] Call ...
FixDeps runs on every build even without any changes
UE - Platform - Linux - Oct 21, 2016This has been fixed for 4.15, but 4.14 was branched before the fix. Note that this issue is distinct from [Link Removed] and the fix is much simpler. Note that [Link Removed] (pull request #2839) ...
Resave commandlet broken when using BuildEnvironment = TargetBuildEnvironment.Unique;
UE - Core - Systems - May 14, 2024The explanation from the licensee seems pretty comprehensive. Text from the UDN: We've been trying to run fixupredirects via the resavepackages commandlet, but noticed that the OFPA assets were no ...
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: ...
When moving actors to the current level, their label is reset and displayed incorrectly on the Scene Outliner until the next time it is refreshed
UE - Editor - Verse Class Editor - Jul 14, 2025This is a regression, it worked correctly up to UE 5.4, but repros on UE 5.5 and 5.6. Also, this seems related to [Link Removed] ...
Geometry Collection (GC) fragments are affecting the Navmesh in wrong positions
UE - Runtime - Deformable - Dec 6, 2024Geometry Collection (GC) fragments are affecting the Navmesh in wrong positions and the identified cause is wrong indexing. Once a GC breaks, it's fragments, when big enough, are creating islands in ...