World Position Offset invalidates Point Lights Entire Virtual Shadow Map Cache when light frustrum is only overlapping a small portion of the mesh

UE - Graphics Features - Oct 22, 2025

When adding a spotlight to the scene it does not correctly use cached virtual shadow map pages when the spotlight overlaps a mesh using WPO. This can be most easily observed by entering 'Cached Pag ...

Video length indicator no longer works

TM - Tools - Oct 21, 2025

Reported in SF [Link Removed] In videos containing multiple parts, the cumulative time indicator that shows the full length of the video no longer works correctly and will incorrectly display a len ...

Mover character no longer calls ProduceInput on server when the only client unpossesses it and disconnects

UE - Gameplay - Player Movement - Mover - Oct 21, 2025

When a client disconnects/unpossesses a mover character, the character's Network Prediction Component will re-configure itself now that it does not have a net connection. However, this handling will ...

Children of editor-only actors do not maintain correct transforms when placed inside level instances for PIE and cooked builds

UE - World Creation - Worldbuilding Tools - Level Instances - Oct 20, 2025

We have found an issue where children of editor-only actors get wrong transforms in PIE and cooked builds when placed inside level instances. This affects both engine version 5.5 and 5.6. The issue ...

Inconsistent Nanite raster bin debug visualisation colors

UE - Graphics Features - Nanite - Oct 20, 2025

The raster bin debug colors are not always consistent when a static mesh and spline mesh are present ...

In the GameUserSettings class, Landscape quality is not taken into account by GetOverallScalabilityLevel, but is changed by SetOverallScalabilityLevel.

UE - Gameplay - Oct 17, 2025

Context: GameUserSettings stores user settings for a game, for example graphics and sound settings. The Scalability settings provide a way for to adjust the quality of various features in order to m ...

GeneSplicerModule has linking errors in a Development target

MetaHuman - Oct 16, 2025

The FArchiveMemoryStream class is defined in GeneSplicerModule and RigLogicModule. This generate linker error as this doesn't respect the "One Definition Rule"  1>Module.GeneSplicerModule.cpp.ob ...

Mutable - morph does not work for a skinned mesh with more than one uv channel

UE - Anim - Mutable - Oct 16, 2025

The morph functionality fails to change when the skinned mesh contains more than one UV channel in a Customizable Object. ...

Right eye looks worse than left with Deferred

UE - Platform - XR - Oct 16, 2025