Unreal Frontend output log is garbled if using non-ASCII language

UE - Foundation - Core - May 25, 2015

If you set the editor language to a non-ASCII language like Japanese, Korean or Chinese, any localized strings that have non-ASCII characters will appear as "?" in the output of UnrealFrontend. [Im ...

Blutility Shelf tab not recognized on restart

Tools - Mar 13, 2019

Restarting the editor after docking a Blutility Shelf causes the tab to no longer be recognized. Tested in 4.21.2 (CL - 4753647), 4.22 (CL - 5365847), 4.23 (CL - 4980862) ...

Apple VoiceOver not compatible with UE

UE - Platform - Mobile - May 13, 2019

InstallVisualizers.bat does not install debug Visualizers for Visual Studio 2017

UE - Foundation - Core - Sep 24, 2018

The InstallVisualizers.bat file for 4.20 does not include a way to install the Visualizers for Visual Studio 2017. With Visual Studio 2017 now the default Windows IDE for the Engine, it may be helpf ...

Widgets set to the color FF00FFFF will become gray after compile

UE - Editor - UI Systems - Jun 22, 2016

Widgets set to the color FF00FFFF will become gray after compile ...

Folders beginning with two periods are incorrectly collapsed by FPaths::CollapseRelativeDirectories

UE - Foundation - Core - Jul 3, 2019

The Function FPaths::CollapseRelativeDirectories assumes that any instance of the characters "/.." are a relative path to the parent directory, and removes them along with the preceding directory. H ...

Inconsistent Behavior of TFieldPath and nullptr comparison

UE - CoreTech - UObject - Mar 7, 2025

Commit 6448c6f (https://github.com/EpicGames/UnrealEngine/commit/6448c6f6d1de1e9fac9614248e06ba06b837814d) introduced inconsistent behavior for TFieldPath and nullptr comparison, depending on constn ...

Custom Fonts do not show up properly in HTML5

UE - Platform - Mobile - Apr 24, 2015

Custom UMG fonts do not show up correctly when launching to HTML5 from a packaged project. The fonts show up correctly for Windows packaged projects. ...

Setting a 3D widget's space setting to Screen instead of World while in split screen will cause major graphical errors

UE - Editor - UI Systems - Feb 10, 2015

Changing the 3D widget's space setting to screen instead of world in split screen causes major graphical errors as seen in the attached project. ...

Material editor: Custom node doesn't generate error in stats output

UE - Graphics Features - Aug 22, 2018

In 4.20 custom code material nodes no longer output their errors to the stats window. ...