Unreal Engine Issues
Unreal Engine Issues
Data Table Reimport - No popup to specify source file
UE - Editor - Content Pipeline - Import and Export - Feb 6, 2019Selecting Reimport on a DataTable created in editor no longer triggers selection popup. "The change in behavior seems to be related to changes to UReimportDataTableFactory::CanReimport() which now ...
Child actors cannot be recognized as children of parent actor within parent blueprint
UE - Gameplay - Blueprint - Jul 16, 2015Parent blueprints do not recognize child class actors as the same type as the initial parent blueprint. This makes it difficult to create a master blueprint for spawning/ai control/etc. ...
Using nativized functions on buttons to spawn meshes causes assertion failure
UE - Gameplay - Blueprint - Oct 25, 2016An assertion failure is thrown when using nativized functions on an Android device. ...
r.PostProcessAAQuality does not work in mobile preview on source builds
UE - Platform - Mobile - Sep 26, 2016r.PostProcessAAQuality is not working properly in mobile preview on source versions of the engine. ...
Build crash when enabling r.CreateShadersOnLoad=1
UE - Rendering - Architecture - Shaders - Nov 10, 2025When "r.CreateShadersOnLoad" is enabled, cooking will crash due to failure to create a shader. This occurs on //UE5/Release-5.5, CL: 41545209 and //UE5/Release-5.6, CL: 45232827 ...
VR PIE with Oculus - Editor Hangs on Level Load (on 2nd+ Launch)
UE - Platform - XR - Feb 9, 2018Loading a map while in VR PIE hangs on 2nd+ play Does not occur when Oculus plugin is disabled. Does not occur in packaged project. A nonVR PIE will reset this behavior. Additional info from use ...
Color Picker always select sRGB color space even when toggled off
Tools - Jan 9, 2015The Color Picker is showing a difference in color space when toggling the sRGB setting, but the final resultant color is always the sRGB true color. ...
Cascade High DPI bug - No (no proper) horizontal scrollbar in emitter tab
Tools - Mar 22, 2018On a 4K monitor with high DPI support enabled in the Editor some issue will occur with scrolling in particle effect emitters. This causes some of the emitters to get cut off completely and unable to ...
Fail to save level with a Blueprint component containing User Data
UE - Gameplay - Blueprint Editor - Jun 10, 2019Unable to change Actor Coloration View Modes in PIE
UE - World Creation - Worldbuilding Tools - Jul 20, 2025When in PIE changing Actor Coloration view modes from the viewport visualisation mode [Liit] -> [Actor Coloration] -> ... Does not update correctly when switching view mode and sometimes isn't corr ...