Assert / crash resolving TSoftObjectPtr when exiting PIE

UE - World Creation - Procedural Tools - PCG Core - Dec 17, 2024

The main landscape actor's outer level's WorldSettings gets nullified by GC on PIE end, which leads to this problem. For some reason, this only seems to occur with the attached custom game mode : it ...

Draw debug will crash visionOS

UE - Platform - XR - Dec 17, 2024

Substrate SSR reflections are black

UE - Graphics Features - Substrate - Dec 17, 2024

Substrate Materials do not use Screen-Space reflections. Instead, they do not have any reflections (indirect specular) on the surface. ...

UserSceneTexture Post Process Material Renders Incorrectly When ScreenPercentage is Below 100

UE - Graphics Features - Dec 17, 2024

When using a UserSceneTexture in a post-process material, a visible rendering issue occurs if the viewport's ScreenPercentage is set to below 100. This issue looks like it might stem from an incorre ...

Use actor factory for creating volumes through GeometryScript CreateNewVolumeFromMesh

UE - Graphics Tools - Modeling Tools - GeometryScripting - Dec 16, 2024

Keying Level Sequence Crashes Engine

UE - Anim - Sequencer - Dec 12, 2024

Repro rate 3/5 Regression to be tested Testing with a fresh level sequence no crash occurs, Tried to do it without rekeying and did not get a crash. I repro'd it a few times and sometimes no crash ...

COM Media Type error in video writer on 8K videos

TM - Rendering - Dec 12, 2024

360 videos set to 8K resolution will fail to render in Twinmotion 2024.1.2 and newer Render attempts will end abruptly shortly after being initiated with the following error message ion the logs L ...

Skeletal Mesh gets stuck in T-Pose when using sequencer animation track with animation blueprint

UE - Anim - Sequencer - Dec 11, 2024

If an actor that is set up to use an anim blueprint is used in the sequencer, then a property on the skeletal mesh is changed in the sequencer details panel. The actor will not evaluate any animatio ...

Contact shadows bug in splitscreen

UE - Graphics Features - Dec 11, 2024

Screen Space shadows do not check the view boundary. This can cause extra shadows in split screen, as one view can cast shadows in another view. ...

Adding Megascans 3D objects to a scene can cause Twinmotion to freeze and Crash on macOS.

TM - Core - Dec 11, 2024

Looking at the logs when it happened, the logs are spammed with the following: [2024.12.10-20.34.12:438][514]LogZenServiceInstance: Display: Unreal Zen Storage Server HTTP service at [::1]:8658 sta ...