AssetLocalization does not work and the asset does not switch to localization asset even if culture is specified

UE - Editor - UI Systems - Localization - Dec 20, 2024

Asset localization does not work. When playing in standalone, it shows "jp" texture instead of "en" texture even if "-culture=en" is set. This appears to be a regression issue, as the localization w ...

MakeArray wildcard node gives a compilation error when being used in a Blueprint Macro.

UE - Framework - Blueprint - Dec 19, 2024

There is an error with the SmartMacroInterface, where you can't use an empty wildcard "Make Array" node. This error makes the blueprint not compile and the macro unusable. Disabling the bUseSimpleWi ...

SSourceControlChangelistsWidget : hitting the checkf for duplicate uncontrolled items in OnRefreshUncontrolledChangelistWidgets

UE - Editor - Workflow Systems - Dec 18, 2024

A checkf can fail in SSourceControlChangelists.cpp with the message: The same uncontrolled item was visited twice. It is likely present in more than one uncontrolled changelist This has been addre ...

Regression - Nav mesh is not generated on BSP brushes after loading a map

UE - AI - Navigation - Dec 18, 2024

In UE 5.5, when loading a map and selecting "Build – Build Paths", the nav mesh is not generated on any BSP brushes (although it is correctly generated in static meshes). This did not happen in earl ...

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

Modifying FinstancedStruct (Blueprint structs) properties inside another FInstancedStruct triggers an ensure and properties do not get saved.

UE - AI - Dec 16, 2024

There is a bug with Blueprint structs having FInstancedStruct as a property. If you modify the DefaultValues of any property of an FInstancedStruct inside the blueprint struct asset, an ensure will ...