Selecting Reimport on a virtual texture results in crash

UE - Graphics Features - Nov 14, 2019

Reimporting a virtual texture results in a crash. Tested in: 4.24P2 CL#10091930 ,  4.25 CL#10183780 ...

The color picker stops working after changing the color once on a color property on a component

UE - Editor - UI Systems - Slate - Nov 13, 2019

Changing the color on a component property via the color picker will cause the picker to stop working until it's closed and reopened. This occurs because a property change event is sent out, and the ...

EQS Overlap test no longer recognizes custom Collision Object Channel

UE - AI - Nov 12, 2019

Environment Queries Ignore tests for Custom Collision Object Overlaps. Note: The expected behavior seems to have worked in 4.21, After following the steps to reproduce, I can verify a successful de ...

Rect lights cause visual noise on the light rendered when using raytracing

UE - Graphics Features - Lumen - Nov 12, 2019

Rect lights cause visual noise on the light rendered when using raytracing. It is easier to see when you get rid of all other light sources in the scene. I have attached an example project. This se ...

Crash when AnimBlueprint and Bleuprint Interface has Same Name Function

OLD - Anim - Nov 12, 2019

When AnimBP and Blueprint Interface was added to the AnimBP has same name function, compiling AnimBP occur crash. ...

Texture Group MaxLODSize doesn't recognize changes to WorldNormalMap in DefaultDeviceProfiles.ini

UE - Foundation - Core - Nov 11, 2019

When trying to change the MaxLODSize using DefaultDeviceProfiles.ini, some of the groups scale but others don't. This was reported and tested in 4.23.1 (CL-9631420). This was reproduced in 4.22.3 ...

Sub Anim Instances Evaluate when not contributing

OLD - Anim - Nov 8, 2019

When using a sub anim instance, the instance will continue to update/evaluate even when its value is not currently contributing to the final pose. ...

Procedural Mesh Component 'Create StaticMesh' does not preserve collision

UE - LD & Modeling - Modeling Tools - Mesh Editing - Nov 5, 2019

Creating a static mesh from a procedural mesh does not preserve simple collision or collision settings. ...

Animation flickers when made visibility is re-enabled

OLD - Anim - Nov 4, 2019

An animation can display an incorrect frame upon having its visibility re-enabled, resulting in a noticeable flicker. This can be prevented by setting the mesh's 'Visibility Based Anim Tick Option' ...

Editor Shortcuts stop working if the editor is launched with a non-Latin-based language

Tools - Nov 4, 2019

Editor shortcuts will not work if you launch the editor with a non-Latin-based language (ex. Russian, Chinese).  The editor must be closed and restarted with English (or possibly any Latin alphabet- ...