Unreal Engine Issues
Unreal Engine Issues
Editor crash while saving asset during cook operation
UE - Foundation - Data Pipeline - Cooker - Apr 2, 2025It is possible to experience an editor crash in 5.5.4 when the cook process generates a warning that references an asset while the editor is saving. It seems that during a save operation, the code t ...
Post process settings struct will not open/break to adjust individual settings
UE - Gameplay - Blueprint - Nov 12, 2015attempting to break the post process settings struct or split a post process settings struct pin causes pin to disappear, leaving a blank target node. ...
BC7 Format in Texture Asset Mip Maps are not correct
UE - Graphics Features - Apr 18, 2016When enabling BC7 compression format for a texture in a project that has SM4 disabled will result in the last two Mip Levels being gray. This happens on any texture size. The number o mip levels may ...
No warning is shown when a disabled mobile shader permutation is required for rendering
UE - Platform - Mobile - Mar 19, 2017UWorld::AttemptDeriveFromPlayInSettings() Returns Incorrect Net Mode
UE - Networking - Apr 28, 2017UWorld::AttemptDeriveFromPlayInSettings() is returning NM_Dedicated server when Use Single Process is disabled in the play settings and the Editor Multiplayer Mode is set to Play as Listen Server. ...
When encrypt assets and packaging ,crash at game startup
UE - Foundation - Core - Sep 11, 2017When ShooterGame project is packed from RunUAT.bat, if you give encryption option, crash occurs at game startup. Without granting the encryption option crash does not occur. This occur. This problem ...
MSAA breaks post process material comparing Scene / Custom Depth
UE - Graphics Features - Sep 15, 2017The expected behavior for the attached project is to highlight meshes / portions of meshes that are obstructed from view. When using MSAA, the entire mesh is highlighted rather than only the obstru ...
Collision problem in nativized blueprint
UE - Simulation - Physics - Jan 29, 2019Issue reported by one of our licensee on the Japanese UDN https://udn.unrealengine.com/questions/480660/view.html ...
Setting Fullscreen Mode to "Fullscreen" results in Crash when using 4.23 from source
UE - Rendering Architecture - RHI - Oct 11, 2019Changing the screen settings to Fullscreen through code or blueprints results in a crash. This only happens in the source version of 4.23 and does not occur in the binary version of 4.23. I have att ...
Spline Mesh Collision doesn't work in packaged game when spawning them at runtime
UE - Simulation - Physics - May 18, 2020Spline Mesh Components lose their collision in a packaged game when spawning them at runtime, or modifying them via 'Set Start and End' function at runtime. ...