PublicIncludePaths array in a 4.20 plugin looks for the include path in relation to the Engine instead of the plugin

UE - Foundation - Cpp Tools - UnrealBuildTool - Jul 23, 2018

A plugin created in 4.19 automatically includes an entry for the plugin's Public directory in the PublicIncludePaths array in the Plugin.Build.cs file. Plugins created in 4.20 no longer automaticall ...

Movie Render Queue shows different behavior when a sequencer window is opened

UE - Anim - Sequencer - MRQ - Nov 20, 2023

When running Movie Render Queue job for a sequence which uses FKControlRig and a sequencer window is opened, Track->ReplaceControlRig() is called every single frame, not only an initial frame. This ...

[Substrate] Workaround for DXC problem with roll unlooping

UE - Graphics Features - Substrate - Apr 8, 2024

We should get to the bottom of this workaround and revert it eventually.  Reported here: [Link Removed]  ...

Blutility button not working after editing blueprint - need to reopen window

UE - Gameplay - Blueprint Editor - Feb 28, 2018

Blutility buttons are broken if graph is edited while panel is open. User reported bug Video repro attached ...

Session frontend screen comparison tool not showing screenshots.

UE - Automation Test - Jan 9, 2019

The Session Frontend Screen Comparison tool does not appear to be showing and screenshots taken from the Editor. ...

Packaged games do not display PlayerName correctly using Steam OSS

UE - Online - Jan 2, 2016

Packaged games do not display PlayerName correctly using Steam OSS. Does not occur in Standalone. Test project attached. To test, package for Development > Win64. When run (with the Steam client op ...

Tool tips on the main monitor scale to the DPI of the secondary monitor.

Tools - Aug 2, 2016

If the user has different DPI Scaling set on each monitor, the main monitors tool tips will change size based on the secondary monitor. ...

Nanite Mesh Dither Opacity Mask Not Working in 5.6.0

UE - Graphics Features - Nanite - Jul 30, 2025

In Unreal Engine 5.5.4, the Dither Opacity Mask option in a Masked material works correctly on Nanite meshes. However, in version 5.6.0, the dithering effect no longer applies to Nanite meshes. ...

Shadows cast on a translucent forward shaded materials renders with jagged edges

UE - Rendering - Architecture - Materials - Mar 31, 2022

Shadows cast on a translucent forward shaded materials renders with jagged edges. In 4.27 the edges are different with some jagged points only those points are not as prominent. [Link Removed] ...

Virtual Bones Are Not Retained in Retargeted Animation Aim Offsets

UE - Anim - Rigging - Retargeting - May 13, 2022

Occurs 5/5 times Virtual Bones are not retained in Retargeted Animation Aim Offset. Regression does not occur as UE5 Manny assets are not available for retargeting before UE5.    ...