Unreal Engine Issues
Unreal Engine Issues
Alembic Caches Not Working With Lumen
UE - Graphics Features - Lumen - Jan 20, 2022It appears that Alembic caches do not influence Lumen's indirect lighting (except for shadowing). Alembic geometry caches should influence lighting in Lumen as any other geometry in a level. I hav ...
IOS mouse pointer / cursor support
UE - Platform - Mobile - Jan 20, 2022Dependency tracking of external actors broken when using python
UE - World Creation - Worldbuilding Tools - OFPA - Jan 19, 2022Licensee reports dependency tracking using Python doesn't work with WP since it relies on external actors. ...
The orientation of the tangent space seems wrong with SkinCache recompute tangent enabled
UE - Graphics Features - Jan 19, 2022HLOD lightmap lost after level reopening with "save LODActors to HLOD Packages" option in project settings is on.
UE - World Creation - Worldbuilding Tools - HLOD - Jan 11, 2022Updating a material layer may not update materials that are using that material layer instance
UE - Rendering Architecture - Materials - Jan 7, 2022Material layer instances do not generate a valid UMaterialFunctionInterface::StateId. For this reason, materials and material instances that use material layer instances will not recompile their sh ...
World Outliner: Selecting Folder fails (needs to be clicked twice)
UE - Editor - Workflow Systems - Jan 7, 2022I've investigated the issue and it is related to TypedElementSelection sending out end of frame selection change events. WorldOutliner when it is the source of a selection change does so inside a r ...
C.haos Cloth : ClothLOD does not change when out of view
UE - Simulation - Physics - Jan 6, 2022Cloth LOD Index is changed only during the mesh is on the screen. LOD Index is set to 0 at spawning, so clothing simulation runs as minimum LOD level until the mesh is in the field of view. It's no ...
SetIsRequestingUnloadAndRemoval causes OnLevelUnloaded callback not to fire
UE - World Creation - Worldbuilding Tools - Dec 16, 2021When unloading a level via ULevelStreamingDynamic, if you register a callback for OnLevelUnloaded and then unload the level with SetIsRequestingUnloadAndRemoval, the level appears to be removed from ...
1 frame flickering when creating UMG using Textblock, ScaleBox and Overlay
UE - Editor - UI Systems - Slate - Dec 15, 2021As a report of a similar issue, changing the text to right-aligned causes a similar issue. This issue seems to have been occur by a change in CL7540157. It also seems to be improved by adding the p ...