Unreal Engine Issues

Exporting a spawnable through Python doesn't work

Crash occurs when disabling Show > Static Mesh in the Viewport while using Vulkan

This is a regression. Tested in: //UE5/Release-5.0 CL 20979098 - Crash did not occur. Crash occurs when disabling Show > Static Mesh in the Viewport while using Vulkan. ...

[CrashReport] Crash on Linux - llvm::MachineFunctionPass::runOnFunction()

This is a top community crash occurring on Linux. A log file is attached. Additional information is currently unavailable. ...

Alpha channel is not working on drag and drop function

When using the drag and drop function in UMG on an image with an alpha map the background will show up as black instead of translucent. ...

[CrashReport][Assert] UnrealEditor-D3D12RHI!FD3D12ResourceLocation::ReleaseResource() [Engine/Source/Runtime/D3D12RHI/Private/D3D12Resources.cpp:1392]

Users affected: 73 Total occurrences: 156 Last occurrence: October 22nd 2024, 9:59:58 am First occurrence: October 2nd 2024, 4:53:30 pm Latest version: ++UE5+Release-5.5-CL-36679577 Platform: Win64 ...

Difference in LODs between PIE and editor

It is possible to repo this without the exact steps, but that leaves it ambiguous if the camera moved when exiting PIE or not. ...

[CrashReport] Access violation - FLandscapeEditDataInterface::SetAlphaData()

This is a common crash affecting users in 4.15 and 4.16. This callstack was previously linked to [Link Removed], but that had a specific repro case that was fixed in 4.14. Users are not providing ...

/std:c++17 key is hidden in generated .vcxproj after adding it to the BuildConfiguration.xml

As far as I can tell this is a regression. After including C++17 in the build configuration it shouldn't be hidden in the .vcxproj? ...

Changes to InputMappingContext made during game play revert to previous state after restarting engine

Reproduced 3/3 times. Issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. The following Blueprint nodes are affected by the same issue:Map KeyUnmap KeyAdd Playe ...

Crash on Unreal Editor Exit due to subclass of UEditorUtilitySubsystem

Since UE5.4, it has been reported that if there's a class derived from UEditorUtilitySubsystem, the program crashes when the editor exits. This is because the code added in CL30853505 accesses freed ...