Unreal Engine Issues
Unreal Engine Issues
Option "Always load last project on startup" is broken on UE 5.3
UE - Editor - Dec 9, 2023In UE 5.3, when the option "Always load last project on startup" is enabled and a new Editor launch attempts to automatically reopen the last closed project, the dialog "The following modules are mi ...
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. ...
C4D Mograph not working in 4.24.0
UE - Editor - Content Pipeline - Datasmith - Importer - Dec 16, 2019A customer is reporting that C4D mograph support is broken in version 4.24. C4D file added under [Link Removed] folder in: [Link Removed] ...
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 ...
ContentExamples: UMG Example 2.3 "blueprint" is lowercased
Docs - Samples - Jan 19, 2017The word "blueprint" on stand 2.3 in the Content Examples: UMG map is lowercase, but should be capitalized ...
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. ...
Lumen temporal flicker after leaving Editor open for 3+ days
UE - Graphics Features - Lumen - Nov 18, 2024Lumen GI has temporal flickering/noise after running the Editor for 3+ days. ...
Materials with Subsurface Profile not affected by Opacity value
UE - Graphics Features - Oct 24, 2017A material with Shading Model set to Subsurface Profile is no longer affected by Opacity value in 4.17, 4.18, and 4.19 (Main) but was previously working as intended in 4.16. This is a regression. ...
Web browser widget appears to run at ~24 FPS
UE - Editor - UI Systems - Dec 5, 2016Web browser widget appears to fun at ~24 FPS. The FPS for the editors browser widget is much lower than what is seen on other browsers. ...