Unreal Engine Issues

Linux UI highlights when dragging the editor window

Buttons and other UI elements of the Linux editor are highlighted when they are over the pointer's original click position. ...

Particle Lights do not honor Lighting Channel assignments

Particle system light's module does not use Lighting Channels. The particle system itself will accept lighting from it's assigned lighting channels but the lights spawned from the particle system, n ...

CDO is not properly updated on Hot Reload causing "ghost" code.

When a hot reload is preformed, the CDO is not properly cleared. This causes a copy of the class to be generated with both the original and copy triggering calls. Workaround: Preforming an additio ...

Loss in Specularity on Skin Shading when Shadowed by Indirect Capsule Shadows using r.sss.checkerboard 0

A licensee is reporting incorrect or over exaggerated loss of specularity on the Subsurface skin shading model when shadowed by indirect capsule shadows, and then modifying the r.sss.checkerboard se ...

Planar reflections do not work in OpenGL4

This is not a regression as it occurs in 4.16.2 The test case was just recently updated to test for planar reflections so not sure if this is intended to work or not. ...

Material Editor Tooltips for Sine and Cosine Expressions are Incorrect

The tool tips for Sin and Cosine within the material editor need to be modified. The tool tips are inconsistent and do not match the information in official documentation. [Link Removed] ...

Composite Textures Normal to Roughness Alpha doesn't generate valid data

Media Sound Component does not respect SoundClass Volume on Android

Media Sound Component, Sound Class Volume not applied on Android. Tested with Galaxy S5 4.19.2 CL 4033788 4.20p5 4173640 4.21 CL 4179794 - Packaging error on android ...

Post Process Volume not updating in preview

IsReplicationPausedForConnection is never called

AActor.IsReplicationPausedForConnection is never called. ...