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 ...

Action Rpg Sample Creating a new GameplayCue handler crashes the editor in 4.24

UE - Gameplay - Dec 17, 2019

In Action Rpg sample, creating a new Blueprint of type GameplayCueNotifyActor or GameplayCueNotifyStatic, results in an Engine crash. The call stack leads to a PrintF Slate warning message that woul ...

Niagara Uniform Ranged for integers maximum is exclusive but should be inclusive

UE - Niagara - Dec 17, 2019

Uniform Ranged for integers maximum is exclusive but should be inclusive or at least say otherwise ...

SSGI AO not visible in Lit Viewmode

UE - Graphics Features - Dec 16, 2019

No screen space AO in lit viewmode with SSGI Confirmed in 4.25 MAIN @ CL 10730208 (but you must move camera after activiating SSGI for scene to update) ...

VR Preview + Wireframe View Mode = Wireframe only in Left Eye

UE - Platform - XR - Dec 16, 2019

Wireframe View mode only rendering in Left Eye. Was working pre rendering-refactor (4.21) Confirmed in 4.25 MAIN @ CL 10730208 ...