Crash when a Deferred Decal (Translucent) base material has a Nanite Override (Masked Surface) Material and the mesh has Nanite + Ray Tracing enabled.

UE - Graphics Features - Ray Tracing - Aug 14, 2025

A crash occurs when Nanite override material instance is used in a project with Ray tracing enabled where: 1 The Material assigned to the static mesh uses Deferred Decal / Translucent and the Nani ...

Rect Light not rendered correctly in MRQ when using Virtual Texture as source texture

UE - Virtual Production - Tools - MRQ - Aug 14, 2025

Licensees have reported that this issue occurs when rendering from the command line: Rectangular lights with virtual textures do not render when you run the "Render (Remote)" button in the Editor, a ...

bIncludeComponentLocationIntoBounds breaks bounds calculations

UE - Anim - Runtime - Aug 13, 2025

Bounds generation when bIncludeComponentLocationIntoBounds is active is broken. Both the calculation of the local bounds and the world bounds are incorrect (see screenshot). When that flag is acti ...

Lumen Card Sharing is active on material with custom primitive data

UE - Graphics Features - Lumen - Aug 13, 2025

The wrong emissive value may be used on Nanite objects with custom primitive data when Lumen card sharing is enabled. This issue can be mitigated with: r.LumenScene.SurfaceCache.AllowCardSharing 0 ...

Directory placeholders can get added to the external actor packages.

UE - Virtual Production - Tools - Shot Management - Aug 13, 2025

We should not create placeholders when using WP or OFPA. ...

Visual helpers for Spacing and Area are visible when occluded

TM - Tools - Aug 11, 2025

Reported in SF [Link Removed] Visual helpers for Area and Spacing tools are always visible when helpers are enabled, including when occluded by other geometry. This behavior is inconsistent with o ...

Modifying PostProcess Film Slope can cause TSR to produce ghosting artefacts

UE - Graphics Features - Aug 11, 2025

When TSR is active, the scene is dark, and a foreground object is lit, modifying the Film/Slope value on a PostProcessVolume can lead to TSR ghosting. TSR occurs prior to Tonemapping, so the issue ...

USourceControlHelpers::IsEnabled crashes shipping builds

UE - Editor - Workflow Systems - Aug 11, 2025

The licensee has reported that the naming of the IsEnabled node is not descriptive enough and can be easily confused with other IsEnabled functions or variables. The Licensee has requested that the ...