In a Geometry Collection, enabling Nanite Fallback in a Nanite Enabled collection won't generate a Physics Body when Nanite is disabled

UE - Simulation - Physics - Destruction - Jun 30, 2025

In a Geometry Collection, enabling Nanite Fallback in a Nanite Enabled collection won't generate a Physics Body when Nanite is disabled. To verify this, follow the steps provided in the Steps to Re ...

The DistanceCurveModifier generates Distance Curves with zero values for Root Motion animations

UE - Anim - Gameplay - Jun 30, 2025

The DistanceCurveModifier data modifier generates curves that return zero values only. This issue has been tested on several Animation Sequences with enabled Root Motion and always occurred. ...

Incorrect UV coordinates when visualizing mesh painting texutre on Nanite splines

UE - Graphics Features - Jun 30, 2025

The UV coordinates for visualizing the mesh painting texture on Nanite spline meshes are not working correctly. This runs the code in the NANITE_VISUALIZE_MESH_PAINT_TEXTURE section in NaniteVisuali ...

"Filter Recursively" option in the Content Browser does not function

UE - Editor - Applied Usability - Jun 27, 2025

Sphere Mask ArgInvHardness missing multiplication

UE - Rendering Architecture - Materials - Jun 27, 2025

Hi Epic, In MaterialExpressions.cpp UMaterialExpressionSphereMask::Compile(), hardness is not calculated the same way in both <if> conditions. One is missing a multiplication by 0.01f. Specificall ...

[Level Instances] Editor Actor Folders does a full refresh after any LI is loaded, leading to wasted time when bulk loading LIs for a given WP region load

UE - World Creation - Worldbuilding Tools - Level Instances - Jun 26, 2025

From Licensee: We discovered a pretty big performance hit in editor when loading level instances for a world partition map, specifically: EditorActorFolders.cpp:FActorFolders::OnAllLevelsChanged() ...

Inconsistent results displaying redirectors in the Content Browser

UE - Editor - Applied Usability - Jun 26, 2025

There are also some other issues with the filter. Enabling "Show redirectors" does not update in real time, you have to exit and re-enter the folder. ...

Water Body Custom generates Map Check Warnings

UE - Graphics Tools - Terrain - Water - Jun 26, 2025

From licensee: Water Body Custom Actors generate this warning during Map Check: WaterBodyCustom_UAID_507C6F36B9215C5B02_1871778061 Static mesh actor has NULL StaticMesh property. To reproduce, si ...

In Sequencer, copying a Missing/Invalid Bound Object to a track may crash the Editor with an Unhandled Exception at UExporter::FindExporter()

UE - Anim - Sequencer - Jun 26, 2025

In Sequencer, copying a Missing/Invalid Bound Object to a track may crash the Editor with an Unhandled Exception at UExporter::FindExporter(). The licensee has provided a txt file that contains the ...