Unreal Engine Issues
Unreal Engine Issues
Converting BSP to static mesh on Linux causes the editor to crash
UE - Platform - Linux - Mar 11, 2016Converting a BSP to a static mesh will freeze and crash the editor when done on Linux. Windows does not exhibit the same conversion crash. ...
Niagara Fluids Grid3D_Gas_Explosion causes a crash
UE - Niagara - May 4, 2022Placing Grid3D_Gas_Explosion into a level then packaging the level for windows will crash the packaged project. The package will give an error that it crashed while loading and quit. This does not ...
Crash when playing a HapticFeedbackEffect_Soundwave
UE - Platform - XR - Aug 30, 2016Array is -1 indexed, causing a crash. Fix is already in Dev-VR. Integrate to 4.13.1 (CL 3106922) ...
Ensure condition failed: PrimitiveComponent tried to render with Material MaterialInstanceDynamic, which was not present in the component's GetUsedMaterials results
UE - LD & Modeling - Terrain - Landscape - Feb 22, 2017Top 10 ensure in 4.15. There was a fix submitted for [Link Removed] which was verified as following those steps to reproduce no longer causes this. ...
Web Browser UMG Widget Does Not Work in DX12
UE - Graphics Features - Sep 28, 2018The Web Browser UMG Widget does not work in DX12. Found in 4.20 CL# 4369336 and 4.21 CL# 4404204 ...
Launch URL node adds http:// to commands such as mailto:
UE - Platform - Mobile - Jan 22, 2019LaunchURL places an http:// at the start of any URL that does not contain :// . This causes an issue with the mailto: command and other commands such as this. Regression?: No This occurs in 4.2 ...
Renaming a Blueprint variable loses override in grandchild Blueprint
UE - Gameplay - Blueprint Compiler - Nov 26, 2019Renaming a Blueprint variable loses override in grandchild Blueprint. Modifying and saving the BP_Child fixes the issue with BP_Grandchild losing overrides. ...
Stationary directional light per-object shadows not working with origin rebasing
UE - Graphics Features - Dec 2, 2019Not 100% clear if this is a bug or expected behaviour, but raising it as it needs looking it. Can't see it as fixed elsewhere. Confirmed broken in 4.24 too. ...
FFT corruption in bloom from sampling outside of viewport
UE - Graphics Features - May 27, 2021Licensee has suggested a fix: "Switching to >= resolves the problem: in GPUFastFourierTransform2DCore.ush, `bool InWindow = ...` at lines 127, 144, 170, and 185." ...
[Reverb Effect] - Deactivate Reverb Effect Blueprint Doesn't Deactivate Reverb
UE - Audio - Aug 11, 2021When deactivating a reverb, it's removed from the Activated List, but doesn't get removed from being the active reverb. Confirmed occurs in 4.27 and 5.0 ...