Unreal Engine Issues
Unreal Engine Issues
Material slot assignment incorrect after mesh reduction completely removes all triangles from a section
UE - Editor - Content Pipeline - Asset Build - Apr 28, 2022When mesh reduction results in a section becoming empty, the material slots are incorrectly assigned. e.g. if section 0 gets removed due to it having no triangles after reduction, then its material ...
WindDirectionalSourceComponent.h has a meta edit condition that, by referencing an undefined property (bSimulatePhysics), throws an error
UE - Framework - Apr 15, 2025WindDirectionalSourceComponent.h has a meta edit condition that, by referencing an undefined class property (bSimulatePhysics), throws an error in the logs: LogEditCondition: Error: EditCondition pa ...
Calling "GetCameraImage" rapidly ~10 times causes ARKit camera feed to stop updating
UE - Platform - XR - Nov 8, 2018If you call the "GetCameraImage" function rapidly ~10 times, it causes the ARKit camera feed to stop updating. Waiting for awhile or tapping some more seems to bring it back. Tested on macOS H ...
Planar Reflections on Mobile short view distance for non single plane faces
UE - Platform - Mobile - Jul 7, 2016Planar Reflections on mobile work well with single plane assets but not with anything with multiple sides, like a box. Tested in: 4.12.4 CL-3028348 4.13 Dev-Editor CL-3038075 ...
EditCondition specific does not prevent values from being changed.
Tools - Mar 9, 20171) Using the Meta specifier EditCondition will gray out the property box so that it cannot be clicked, but using tab from another property box will place the cursor inside the grayed out box. 2) V ...
Play Rates are not reverted when HAP Media Plugin is disabled
Media Framework - Nov 11, 2019Enabling the HAP Media player plugin permanently affects the thinned Play Rates of the Media Player asset. Tested in 4.23.1 (CL - 9631420), 4.24.0 (CL - 10091930), 4.25 (CL - 10091038) ...
Nanite displacement on landscapes not rendering on 5700XT
UE - Graphics Features - Nanite - Mar 27, 2024This only happens on a 5700XT, tested this on the 7900XT and the issue did not occur Initially reported on the Preview 1 forums: https://forums.unrealengine.com/t/unreal-engine-5-4-preview/1763516 ...
Moving Child Object in Local Space Causes Flickering
Tools - Jun 30, 2016When moving an object in the viewport that is parented to another object with a scale of -1,1,1, the child object will flicker. This is a regression, this did not occur in the 4.11.2 binary release ...
Uniform scaling in the viewport not working as expected when additive mode is enabled
UE - Editor - Workflow Systems - Apr 2, 2022The uniform scaling does not work as expected Repro Steps: 1) Add a cube to a level 2) Set the scale (X = 16, Y=9, Z=9) 3) Click the Lock icon to activate the Uniform Scale feature 4) In the viewpor ...
Distance Fields no longer work with instances when PIE/Simulate
UE - Graphics Features - Apr 20, 2015When using distance fields with instance meshes from the foliage tool everything works correctly, however, when simulating or PIE the distance fields will be removed. This working correctly in 4.7.5 ...