Unreal Engine Issues
Unreal Engine Issues
[PCG] Create PCG Asset from Level crashes on loaded sub-level exports
UE - Graphics Tools - PCG - Workflow - Aug 21, 2025PCG Level Asset export doesn't support exporting a level while it is loaded as a sub-level. We should warn the user instead of crashing. ...
FMediaFoundationMovieStreamer::Init() returns true even if the movie could not open.
UE - Media Runtime - Media Framework - Aug 20, 2025Bake to Control Rig blueprint function does not work on tracks in nested sequences in Editor
zComponent - Archive - Aug 20, 2025The Bake to Control Rig node only works with single-layered level sequences. Studios using a nested level sequence setup cannot use this function. [Link Removed] ...
Objects are culled prematurely in the right eye on Quest
UE - Platform - XR - Aug 19, 2025[Image Removed] ...
AreaNavModifiers generated by SplineNavModifierComponent have the component-to-world transform incorrectly applied twice
UE - Runtime - Character - Aug 15, 2025USplineNavModifierComponent was made available in UE 5.4. It generates several FAreaNavModifier instances covering a region with a certain thickness around a USplineComponent, and worked correctly u ...
LWC Function Usage View Mode shows unchanging results for Nanite meshes with different LWC usage
UE - Rendering - Features - Aug 15, 2025[Image Removed] ...
Crash when a Deferred Decal (Translucent) base material has a Nanite Override (Masked Surface) Material and the mesh has Nanite + Ray Tracing enabled.
UE - Rendering - Features - Ray Tracing - Aug 14, 2025A 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 when using Virtual Texture as source texture
UE - Rendering - Features - Aug 14, 2025Licensees 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 ...
Niagara Data Interface "Errors and Warning" section on Module Details not updating when error messages change
UE - Rendering - Architecture - Niagara - Aug 14, 2025This is a regression: it worked correctly up to UE 5.5, but not in 5.6 or mainline latest. Possibly caused by CL 40093049. Class UNiagaraDataInterface provides virtual method GetFeedback(), which a ...