Unreal Engine Issues
Unreal Engine Issues
Crash during shader compilation when r.Shaders.Optimize=0
UE - Rendering Architecture - Shaders - Mar 11, 2024The primary shader crashing is "FVisualizeLumenSceneCS" which I've put in the callstack section, but I think this is more likely a binding problem as I'm also see the following crash with cloud shad ...
Bindless Textures in active use are able to be garbage collected
UE - Graphics Features - Jul 9, 2025It is possible for textures referenced in the bindless texture data assets that are actively used in materials being rendered in the active viewport to be garbage collected. This results in the mat ...
Undoing alteration of a local variable's default value does not actually undo the alteration
UE - Gameplay - Blueprint - Jun 7, 2016Undoing the alteration of a local variable's default value causes the Undo toast to appear but the alteration is not actually undone. Regression: No ...
Creating animation assets from right-clicking skel mesh results in showing incorrect mesh in Persona
OLD - Anim - Dec 23, 2016REGRESSION No. When a skeleton has multiple skel meshes assigned to it, if the user creates a animation asset (animation blueprint, composite, montage) by right-clicking the skeletal mesh and selec ...
Graphical issues in editor after changing monitor resolution on Linux
UE - Platform - Linux - Feb 23, 2017Changing the monitor resolution on Linux causes Editor windows to show graphic errors. ...
Crash when quitting the editor with VR Mode enabled
UE - Editor - Workflow Systems - May 25, 2017Qutting the engine with VR Editor on causes a crash. I could not determine a way to close the VR Editor internally so I terminated the Project by using the Desktop. Many users among the community ...
DefaultBloomKernel.uexp (32MB) included on mobile
UE - Graphics Features - May 31, 2017DefaultBloomKernel.uexp (32MB) included on mobile since it is an EngineMaterial referenced. A PakBlacklist-Shipping.txt (for shipping) and/or PakBlacklist-Development (for development) can be place ...
Typo in source version of OpenGLWindows.h
UE - Platform - Mobile - Jul 17, 2018The type definitions for the Enum Macros glObjectLabelKHR and glObjectPtrLabelKHR are misspelled. Working in 4.19.2 Broken in 4.20 Tested 4.19.2 (CL - 4033788) and 4.20 (CL - 4214897) ...
Oculus Touch: Gamepad Special Left/Right inputs swapped
UE - Platform - XR - Aug 6, 2018GamepadSpecialLeft and GamepadSpecialRight inputs are swapped on Touch Controllers. Inputs are working as intended on an Xbox controller. Problem may have been introduced by Oculus, I created a 4. ...
[Landscape] returns Incorrect Physical Material
UE - Simulation - Physics - Aug 13, 2018Doing a line trace on a landscape does not return the correct physical material unless "Generate Overlap Events" was enabled after changing the physical material. If the physical material on the lan ...