Unreal Engine Issues

UObject set to DefaultToInstanced will show all properties declared at the blueprint level, even in they're private and not instance editable

Licensee found that when creating a UObject class with DefaultToInstanced and EditInLineNew specified, and then a derived BP was created using the UObject class and used as a variable type in an act ...

Moving noise is visible in hair shadows when Lumen screen traces are active

Dark moving noise is visible in hair in the shadows when Lumen screen traces are active.  Example of noise when screen tracing is frozen:[Image Removed] Turning off Lumen screen traces using r.Lume ...

GetMotionControllerData doesn't return expected data

Repro project: [Link Removed] ...

Package Map warnings when spawning primary asset class on server after seamless travel

This issue seems to occur due to the client keeping the NetGUID for the class/object, while the server will clean up this NetGUID during travel. When the client sends the class and its NetGUID as pa ...

Generated assets not showing up in world partition level until map reloaded - DirtyActorTracker

Breakpoint on SetText node in WBP PreConstruct triggers editor hang on save

A user reported that when calling SetText on a text widget in a widget blueprint's PreConstruct causes an editor hang when you put a breakpoint on SetText and attempt to save the asset. The issue i ...

ExportMaterialUVDensities() gets the incorrect value where the alpha channel is referenced

ExportMaterialUVDensities() gets the incorrect value where the alpha channel is referenced (e.g. RegisterIndex of the texture is [3] or [7]) because FMeshRenderer::RenderMaterialTexCoordScales() use ...

MaterialTextureScale calculated incorrectly for materials with WorldPositionOffset

When a Material uses WorldPositionOffset, the MaterialTextureScale is calculated incorrectly because FMaterialUtilities::ExportMaterialUVDensities() calls FMeshRenderer::RenderMaterialTexCoordScales ...

"Auto" option in Media IO is not updated correctly when apply is clicked

[AI] Incorrect collision for USplineMeshComponent

The collision for a spline mesh can be calculated incorrectly. The issue appears to be when Alpha is out of range when calculating the slice transforms at splice offsets. ...