Unreal Engine Issues
Unreal Engine Issues
Dataprep crash
UE - Editor - Content Pipeline - Visual Dataprep - Apr 16, 2025This question was created in reference to: [Link Removed] Last post fixed the import crash, but it seems it added another. If we hit Execute button twice in a row by mistake we get a crash with th ...
WindDirectionalSourceComponent.h has a meta edit condition that, by referencing an undefined property (bSimulatePhysics), throws an error
UE - Framework - Apr 15, 2025WindDirectionalSourceComponent.h has a meta edit condition that, by referencing an undefined class property (bSimulatePhysics), throws an error in the logs: LogEditCondition: Error: EditCondition pa ...
FName no longer equals FName_None when constructed with a trailing underscore and digits in range of 1-9
UE - CoreTech - Apr 15, 2025When an FName is created with a trailing underscore and any number of digits in the range of 1-9 the trailing digits are used as the internal number value for the FName lookup. This results in the F ...
Bug when loading an external project that also exists in the uprojectdirs
UE - Foundation - Cpp Tools - Apr 8, 2025When launching the editor for the "external\foreign" project, the code in GetEngineAndProjectAbsoluteDirsFromExecutable ends up superseding the path returned from {{FPlatformMisc::ProjectDir() }} wi ...
[Crash] Failed to CreatePipeline on Vulkan ES31 with a special material graph
UE - Rendering - Architecture - RHI - Apr 8, 2025Crash in GPUMessage.cpp when resetting FSocket when RHI is NullRHI.
UE - Rendering - Architecture - RHI - Apr 5, 2025When tearing down a nanite project with the nullrhi active, there is a crash in the FeedbackManager destructor that causes any exit to be unclean. The teardown process causes a crash as the destruc ...
Non-Nanite Instanced Static Mesh Collision not showing in collision view
UE - Simulation - Core - Apr 3, 2025This issue is the same as [Link Removed] Closed , but it causes confusion for developers because only Nanite ISM are rendere ...
InlineEditConditionToggle Prevents Config Bools from Being Written to Settings .ini File
UE - Editor - Verse Class Editor - Apr 1, 2025In a Developer Settings Class, Boolean properties marked with InlineEditConditionToggle do not get written to the associated settings .ini file, preventing configuration settings from being saved pr ...
Skylighting on distant objects causes severe flickering with Lumen
UE - Rendering - Graphics Features - Lumen - Mar 31, 2025Lighting on distant meshes flickers when using Lumen and Skylights. Turning Lumen off and lighting from the skylight is stable. Turning off Lumen screen traces also lowers the amount of flickering ...