Unreal Engine Issues
Unreal Engine Issues
Opening or Creating a Material with SubSurface Profile will Crash Editor with LPV enabled
UE - Graphics Features - Dec 22, 2014After enabling Light Propagation Volumes with the console variable r.LightPropogationVolume=1, opening or creating a material with the subsurface profile model will crash the editor. Broken in 4.6. ...
Noise Material Expression is rendering outside Min and Max Range with High Position Values
UE - Graphics Features - Mar 31, 2015The Noise Material Expression is rendering values well outside the Min and Max Range set in the Expression node. Also Reproduced in Main Promotable-CL-2469752 Alerted the user to suspicions and su ...
Using VR in standalone mode will cause the screen to go black in 4.8
UE - Platform - XR - Jun 16, 2015If a user launches in standalone mode with the oculus plugged in and turned on and then proceeds to press Alt+Enter then the screen will just turn black. Must have multiple tabs in the editor open t ...
UMaterialBillboardComponent Memory Leak and Hitching (Unreal 4.19.2 + 4.19.1)
UE - Graphics Features - May 4, 2018Creating an actor with a UMaterialBillboardComponent causes Editor hitching. ...
Animation Rate Scale does not appear to have an affect when blending an animation with two different Rate Scales
OLD - Anim - Dec 14, 2018Rate Scale does not appear to have an effect when using a blend space that blends an animation with two separate Rate scales. ...
Local binary build of 4.22.1 fails when only Visual Studio 2019 is installed
UE - Foundation - Cpp Tools - Apr 30, 2019Attempting to create a local binary build of 4.22 using Visual Studio 2019 (with no other versions of Visual Studio installed) currently fails with several warnings and errors, including the followi ...
4K Resolution and High DPI Scaling in Linux aren't completely affected by System Display Scaling
UE - Platform - Linux - Aug 26, 2019Unreal doesn't change appearance when changing system configuration display scaling options. Editor Texts are still quite small and don't change based on the Display Scaling %. This bug also causes ...
Making a navigation system 'strictly static' affects all subsequently created navigation system instances
UE - AI - Mar 26, 2020The problem is a result of two things: UNavigationSystemV1::bStaticRuntimeNavigation being staticUNavigationSystemModuleConfig::UpdateWithNavSysCDO copying the data from nav sys CDO, including bStat ...
Migrating a project from UE5.2 to UE5.3.1, there was a difference in the navmesh generated on HISM
UE - AI - Navigation - Oct 24, 2023HISM is generated by ConstructionScript Actor is placed on the level and navmesh is generated on top of HISM. In UE5.2, the navmesh was generated without splitting on the HISM. In UE5.3, a break occ ...
D3D11 error when opening a level after version change
UE - Graphics Features - Sep 23, 2015After converting from 4.7.6 to 4.9.1 specific maps won't open and will crash the editor with a D3D11 error. This has been reported by multiple users but has not been reproduced internally. CrashRe ...