Unreal Engine Issues

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

SynchronizeWithExternalDependencies can cause soft lock with Pose Search DDC tasks during cook

SynchronizeWithExternalDependencies will call Modify on the Pose Search Database when the database has changed. This will call FAsyncPoseSearchDatabasesManagement::OnObjectModified which in turn ma ...

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 ...

VALIDATE_UNIFORM_BUFFER_LIFETIME fails compilation

Also verified on Release-5.5.4 CL 40574608 ...

UWorldPartitionSubsystem::IsStreamingCompleted returning the wrong query result when all cells and actors in location are in DataLayers

Context: Data Layers is a system within World Partition used to organize Actors both in the Editor and at runtime. It allows for the user to dynamically load and unload layers in the Editor to help ...

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. ...

heterogeneous volumes SkyLight VolScatter Intensity not working

Heterogeneous Volumes do not respect the Volumetric Scattering Intensity values when running with Lumen, but do (correctly) when rendering with the Path Tracer. ...

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 ...