Unreal Engine Issues

Destroying a welded actor is causing an Array index out of bounds crash on 5.6

Destroying a welded actor is causing an Array index out of bounds crash on 5.6. The licensee has provided a repro project that reliably causes a crash whenever the spawned actor is destroyed. There ...

UText3DComponent's Text property access: UE 5.3 broke BP setters. UE 5.6 unneccessarily broke compatibility and incorrectly removed BP getters.

Class UText3DComponent from the "Text 3D" plugin contains a "FText Text" member which must be set through a SetText() function to correctly update the component's internal state. Up to UE 5.2, "Tex ...

Nanite Mesh Dither Opacity Mask Not Working in 5.6.0

In Unreal Engine 5.5.4, the Dither Opacity Mask option in a Masked material works correctly on Nanite meshes. However, in version 5.6.0, the dithering effect no longer applies to Nanite meshes. ...

Copy/pasting folders and root tracks doesn't paste the root tracks

UPoseSearchDatabase::SynchronizeWithExternalDependencies re-adds existing DB assets that don't have branch in notifies

If we have PSDs that contain assets that were added manually to the database and also others that were added via branch in notifies then SynchronizeWithExternalDependencies will remove and re-add th ...

Nanite Landscapes in Non world partition maps has missing sections

Nanite in non world partition worlds builds with missing section, almost half the landscape is missing. Looking at the nanite overdraw as attached, it shows an interesting pattern. ...

Data like Camera Tracks can get corrupted inside Level Sequences when Undoing some operations

Camera trucks can get in a invalid state when you undo certain operations. One example would be undoing a camera set that has been added to a camera track. When you undo that operation, other camera ...

When exporting a level sequence (with its associated level) to USD, the asset paths for the reference are different from 5.5 and older

In 5.6, a referenced asset path looks something like         prepend references = @../../../../../Data/USD/Exports/FN-Main/ExportFolder/Assets/Sphere.usda@ instead of         prepend references = ...

The Geometry Collection Dataflow node CreateGeometryCollectionFromSources is breaking Material Assignment

The Geometry Collection Dataflow node CreateGeometryCollectionFromSources is breaking Material Assignment. As the licensee has pointed out, this previously worked in 5.5. The most probably cause fo ...

UE5.6+ - Mutable - IDPrefix crash when combining Child Objects, Add to Mesh Component and Extend Mesh Section.

So the issue seems to be a combination of Add To Mesh Component and Extend Mesh Section. I've tried this in Epic Launcher 5.6, 5.6 in-house modified engine as well as ue5-main 5.7 from git (editor ...