Unreal Engine Issues
Unreal Engine Issues
DX12 crash by lost device while building PSO
UE - Graphics Features - Sep 22, 2020It seems to be occurred when exiting fullscreen exclusive mode during the PSO build. And it seems to happen during the loading screen as well as the PSO build. What I suspect is that when focus los ...
ComponentInstancingData lacks support for FMapProperty
UE - Gameplay - Blueprint - Sep 1, 2020Map and set container value overrides will be lost in a cooked build for any Blueprint component that's dynamically instanced in a cooked build if the owning Actor class enables the optimized compon ...
Delay Node not persisting through Concatenator Node in Sound Cue Editor
UE - Audio - Mar 11, 2016Sound Waves do not continue to play when using a delay node before a Concatenator. I tested this issue in the binary releases of 4.9.2 and 4.10.4 and it did not occur in either version. ...
Crash moving a spline point after making it the root component of a blueprint
Tools - Sep 23, 2016Editor is crashing when attempting to move a spline point after making it the root component of the blueprint ...
Pick Parent Class window for new blueprints does not properly list available classes on Linux
Tools - Apr 8, 2016When opening the Pick Parent Class window on Linux, the expansion arrow next to All Classes does not properly extend to show all classes. Workaround: After clicking the arrow to extend the drop dow ...
Procedural meshes spawned at runtime cause a crash
UE - Simulation - Physics - Jan 10, 2017When using a procedural mesh at runtime, projects fail on mobile devices. Tested on both Android Nvidia Shield and iPhone 6+. ...
When using a SpeedTree asset, a Zero Triangles warning appears
Tools - Nov 25, 2019When exporting from SpeedTree with LODs + billboard, It seems that a warning is issued by including a material used only by Billboard. Is there a way to deal with it? ...
NavMesh generation should not care for Actors that are hidden in the Editor.
UE - AI - Navigation - Aug 5, 2025The problem is that the Cube is still loaded but "HiddenEd". It's AActor::bHiddenEdLayer property is set to true by the WorldPartition System. The Actor is dirty which makes the WP system pin it (wo ...
Unable to see a Texture Format when using the Launch On feature
Tools - Jan 21, 2015When you Click the Arrow down to the right of the Launch On button, The texture format for an Android device is showing as a jumbled mix of numbers and letters and not in any specific format. ...
Texture Compression Quality vs. Speed Tooltip shows Incorrect Range for Settings
Tools - Nov 23, 2016Texture Compression Quality vs. Speed settings menu description and Tooltip do not match. ...