Unreal Engine Issues
Unreal Engine Issues
Light Propagation Volumes Not Affected by Emissive Area Light
UE - Graphics Features - Aug 1, 2018The light propagation volume is not affected by a material with emissive area light enabled. Found in 4.19 CL# 4033788, 4.20 CL# 4233996, 4.21 CL# 4246589 ...
Fade track is not affected by "Restore State" flag
UE - Anim - Sequencer - Mar 24, 2017Fade track is not affected by "Restore State" flag Regression: Sort of. Restore State wasn't available in 4.14, but the default behavior would leave the screen black Worked: 3249277 (4.14.3) Bro ...
Differences in DistanceToNearestSurface and DistanceFieldGradient results between 4.27 and 5.0
UE - Graphics Features - Apr 27, 2022In the UE5 case, we end up seeing very harsh lines in both the gradient and the distance to nearest surface examples whereas the results in 4.27 appear smooth. It was also interesting to observe c ...
Static meshes in a particle system are not affected by decals
UE - Graphics Features - Dec 21, 2017There is an issue where Static meshes in a particle system are not affected by decals, It is unsure if this is intentional behavior or not. This issue does not appear to be a regression Versions ...
Play rate affects all blendspace samples using the same Anim Sequence
OLD - Anim - Jun 27, 2017Play rate affects all blendspace samples using the same Anim Sequence Occurs on? 4.15 - 3450819 - YES 4.16 - 3466753 - YES 4.17 - 3502710 - YES ...
Post Process Volume Priority Doesn't Affect Post Process Materials
UE - Graphics Features - Sep 17, 2018Post process volume priority doesn't affect post process materials. Found in 4.19 CL# 4033788, 4.20 CL# 4302132, and 4.21 CL# 4369303 ...
Colors of Individual Lens Flare Tints Cannot be Changed in UE 4.18+
UE - Graphics Features - Jun 15, 2018If you create a project in 4.17 and follow the Repro steps, you will be able to adjust the colors of individual lens flares. If you copy the 4.17 project into 4.18, 4.19, 4.20 Preview, or 4.21 the f ...
SSR on Translucency is not affected by Post Process Volume
UE - Graphics Features - May 24, 2018Screen space reflections on translucent materials are not affected by post process settings. Any changes made to SSR settings in the volume will do nothing to a material that is set to the transluce ...
InstancedFoliageActor experiences issues with floating point precision when far away from World Origin and is not affected by Origin Rebasing
UE - World Creation - Worldbuilding Tools - World Composition - Jul 17, 2020Foliage generated by Landscape Grass Type do not encounter this issue. Only hand painted foliage with foliage tool is not affected by rebased origin. Foliage vibrates when it is located in long dist ...
Blueprint processing is heavy in PIE since 4.26
UE - Gameplay - Blueprint - Feb 17, 2021As the attached image shows, there is no problem in 4.25.4, and the process is noticeably slower in 4.26.1. Also, there is no problem in Standalone. The problem occurs only in PIE. ...