Mobile Joysticks snap to edge upon any input

UE - Platform - Mobile - Sep 9, 2021

When dragging the mobile joysticks in any direction, the snap to the edges regardless of how much the user inputs in said direction. This occurs with both the left and right joystick. This also occu ...

ODSC - Launching a newly created project via UnrealFrontend fails to load some materials and crashes

UE - Rendering Architecture - Materials - Sep 6, 2021

The same repro steps on 4.26.2 will launch the project successfully. Packaging a project once to create complete ShaderMaps will work around the issue. ...

HiResScreenshot has incorrect masking when screenshot resolution scale does not match the viewport.

UE - Rendering Architecture - RHI - Sep 6, 2021

After a bit of investigation, the way to fix this would be to modify MergeMaskIntoAlpha to pass in the actual resolution scale and the requested size, and only mask the overlapping pixels. Currently ...

Splitscreen View2 influences translucency in view 1

UE - Graphics Features - Sep 2, 2021

The videos + screenshots in the zip file show the issue on the modified gun sight. The licensee has provided a suggested fix here -[Link Removed] ...

OpenXR Thumbstick Up/Down/Left/Right Input Actions do not fire

UE - Platform - XR - Sep 1, 2021

OpenXR Thumbstick Up/Down/Left/Right Input Actions do not seem to fire.  I tested on Quest 2, but it sounds like the problem may be all of OpenXR. ...

Shader compilation failure crash with DX12, Tesselation, Distance fields, Instanced Stereo, and Hierarchical LOD Coloration viewmode

UE - Graphics Features - Aug 5, 2021

upd. Regression was checked on //UE4/Release-4.26 CL 15973114, issue wasn't reproduced. Regression - YES Shader compilation failure crash with DX12, Tesselation, Instanced Stereo, and Hierarchical ...

VCAM 2.0 - No signal on iPad from Mac OSX

UE - Virtual Production - Tools - Virtual Camera - Jul 19, 2021

UDN case link with this ticket [Link Removed] ...

GAME option of GenerateProjectFiles.bat does NOT work properly

UE - Foundation - Cpp Tools - UnrealBuildTool - Jul 13, 2021

if using -GAME option of GenerateProjectFiles.bat, it does not work correctly by the following codes.protected void AddProjectsForAllModules( List<FileReference> AllGames, Dictionary<FileReference, ...

Crash on multi viewport when streaming in sub level with rect lights

UE - Rendering Architecture - RHI - May 13, 2021