Unreal Engine Issues
Unreal Engine Issues
Regression with RecomputeTangents on SkeletalMeshes in 5.6
UE - Graphics Features - Jul 21, 2025Licensee noticed a regression in 5.6 where the non-masked recompute tangents option doesn't work anymore. The option is called "Enabled with no mask" in 5.6 but "All" in 5.5. Under the hood, this se ...
Adjusting Lighting Rig Rotation manually only affects the sky and not the lighting
UE - Gameplay - Aug 2, 2016In the Preview Scene Settings, adjusting the Lighting Rig Rotation setting manually doesn't affect the lighting. It only affects the sky. ...
Changing the mass for a Destructible asset does not affect it
UE - Simulation - Physics - Destruction - Nov 19, 2014DESCRIPTION: Changing the mass of a Destruction asset does not affect it. In comparison doing the same for a static mesh set to simulate physics will adjust accordingly. Forums Post: https://forum ...
Flipping faces on a brush affects all other brushes
UE - LD & Modeling - Modeling Tools - BSP - Apr 9, 2015Flipping faces on a brush affects all other brushes Subtractive brushes will have their internal faces show if enough additive brush faces are flipped. If the faces of a subtractive brush are flip ...
The cap of a sliced procedural mesh is not affected by lighting
UE - Gameplay - Jul 14, 2016After slicing a procedural mesh, the cap on the sliced end does not seem to be affected by lighting. This can result in the end looking dark. ...
OSVR is affected by screen percentage Post Process volumes
UE - Platform - XR - May 6, 2016Found on: //UE4/Dev-VR CL-2967563 Screen percentage post process volumes affect rendering on the OSVR. It also renders incorrectly when affected. The incorrect effect has been logged as [Link Remo ...
Enum to Byte conversion returns 2 for the first enum then 4 then 6 and so on rather than 0, 1, 2, etc
UE - Gameplay - Blueprint - Sep 1, 2015Enum to Byte conversion returns 2 for the first enum then 4 then 6 and so on rather than 0, 1, 2, etc. This is a regression; does NOT occur in 4.8.3. Reproduced in 4.9.0 binary and Main (2675088) ...
Cull Distance Volumes Affecting Actors After Being Deleted
UE - Graphics Features - Oct 7, 2019Cull Distance Volumes Affecting Actors After Being Deleted. Found in 4.22 CL# 7053642, 4.23 CL# 8386587, and 4.24 CL# 9428115 ...
Specular Scale 0 on Light still affects Groom asset
UE - Rendering Architecture - Jul 30, 2025When a light's Specular Scale is set to 0, the specular still affects hair / groom assets. The specular of other assets (like a shiny static mesh in the scene) is properly affected by the change. ...
Actor references in Level Blueprint show an incorrect display name after converting the project from 4.6.1 to 4.7 Preview or 4.8
UE - Gameplay - Blueprint - Jan 26, 2015Actor references in Level Blueprint show an incorrect display name on their nodes after converting the project from 4.6.1 to 4.7 Preview or 4.8. Reproduced in 4.7.1 Preview 4 and in Main (Promotabl ...