Unreal Engine Issues
Unreal Engine Issues
[CrashReport] UnrealEditor-AppFramework!SColorPicker::HandleParentWindowClosed(TSharedRef<SWindow,1> const &) [SColorPicker.cpp:1530]
UE - Editor - UI Systems - Sep 26, 2022Generated from CrashReporter This is NOT a regression. Tested in //UE4/Release-4.27 at CL18319896 Tested in //UE5/Main at CL 22175708 - Issue did not occur ...
Reverting a material through source control on Mac causes the thumbnail to become distorted
Tools - Oct 17, 2016The thumbnail on mac becomes distorted when the material is reverted through source control. This does not occur on windows and is not a regression. Opening the Material or right clicking on it ma ...
Physical Material Masks do not work in non-editor builds
UE - Simulation - Physics - Aug 12, 2022Physical material masks are not working as expected in cooked builds. Licensee reports that the mask data is empty at runtime. ...
Substrate Add node only adds the first Substrate Slab's Emissive value when "Use Parameter Blending" is enabled
UE - Graphics Features - Substrate - Jan 10, 2025As per the steps to reproduce, the Substrate Add node only adds the first Substrate Slab's Emissive value when "Use Parameter Blending" is enabled. Leaving "Use Parameter Blending" unchecked on the ...
Material Parameter Collections are not working on Android v 5 phones from 4.11
UE - Platform - Mobile - Feb 9, 2016Material Parameter Collections are not successfully passing stored values into Materials when packaged for an Android Phone with an OS version of 5. Both version 4 and 6, correctly use the MPC.Test ...
Mesh Painting sometimes fails to paint the closest face in the hovered area
Tools - Oct 10, 2016Sometimes it's not catching certain polys as vertex paint targets. Looks like it happens when there's more than one layer of forward facing geometry over the highlighted area, and it just takes the ...
Niagara Mesh Renderer's ParticleColor is not reflected in raytraced reflections
UE - Graphics Features - Lumen - Jun 2, 2020Mesh's ParticleColor is not reflected in raytraced reflections Sprite Particles do not encounter this issue. ...
Post Processing continues to affect Sprites after project setting defaults are disabled and all volumes and cameras' settings are disabled
UE - Graphics Features - Nov 19, 2014After disabling the defaults in Project Settings > Rendering > Default Postprocessing Settings, disabling all GlobalPostProcessSettings volumes, and setting the Post Process Blend Weight in the play ...
scroll box inside retainer box does not respect scroll box clipping
UE - Editor - UI Systems - Feb 14, 2018There is an issue where scroll boxes inside retainer boxes do not respect scroll box clipping. This issue appears to be a regression. Versions tested: Issue does not occur in 4.17 4.17.2 CL - 36589 ...
Lidar Point Cloud Plugin functions return empty locations for individual points (both relative and world scale)
UE - Editor - Content Pipeline - Feb 21, 2025The locations of individual point cloud points are empty in the array returned from the get_points_in_box_as_copies,get_points_in_sphere_as_copies,line_trace_multi functions. The last boolean argum ...