Syncing changes in multi-user editing tool results in crash

UE - Virtual Production - Tools - Multi-user - Dec 18, 2019

When using the multi-user editing tool inside a 4.24 project, persisting changes will sometimes result in a crash.  Unable to reproduce the issue. However, the user has reported occasionally re ...

ARCore - "Get Supported AR Video Formats" returns empty on Android

UE - Platform - XR - Dec 18, 2019

Get Supported AR Video Formats node only functions on iOS. (ARCore Library has similar 'Get ARCore Camera Config' node currently) Tested with iPad A1701 and Note 9 ...

Light shaft bloom produces heavy flickering when offscreen

UE - Graphics Features - Dec 18, 2019

See attached video. Happens always in editor, will also happen in standalone game but only if viewport rect has not the full window size. The issue was not present in 4.22. Update 1/22/20:  A ...

Depth of Field blur width changes depending on screen resolution

UE - Graphics Features - Dec 18, 2019

This problem seems to occur with Cinematic DoF (DiaphragmDOF). Licensee seems to want to use the same blur when changing resolution. ...

Blank project do not show steamvr motion controller and is not working.

UE - Platform - XR - Dec 18, 2019

VR template in 4.24 binary engine works but not with blank project + steam guide setup. And, migrated working project from 4.23 also leads to same issue. working set(vr template) seems to have cor ...

Overlapping Lightmap UVs Generated When Not In None LOD Group

UE - Graphics Features - Lumen - Dec 17, 2019

Overlapping lightmaps are generated when the LOD group is not the default. Setting the LOD group to None and rebuilding lighting doesn't have the same result. Found in 4.24 CL# 10570792 Reproduced ...

Tessellation Materials are not working on Landscapes

UE - LD & Modeling - Terrain - Landscape - Dec 17, 2019

Tessellation is not working on landscapes, but it does works fine on static meshes. This is a regression from 4.23.1 (CL-9631420) where the tessellation was visible with this setup. This was tested ...

Mac - After clicking, the the Mouse position resets

UE - Platform - Apple - Dec 17, 2019

Unexpected behavior with mouse position on Mac If 'Show Mouse Cursor' is true the problem does not occur. Catalina 10.15.1 ...

USD Stage is not available on Mac and Linux

UE - Editor - Content Pipeline - Import and Export - Dec 17, 2019

On Mac and Linux the option to open the USD Stage window is not there like it is on Windows. This is not a regression since USD Stage was not preset in 4.23.1 (CL-9631420) on any platform. ...

Morph target LOD over 0 not worrking with GPU skin

UE - Rendering Architecture - RHI - Dec 17, 2019

I do not know what happen here and I need the help of the rendering team to debug this issue. There is no log at all even with -d3debug If you import the file SK_LOD_Morph_Working.fbx its a similar ...