Unreal Engine Issues

Automated tests DynamicSubobjectInstancing and NonNativeInstancedSubobjects (CoreUObject group) fail

The DynamicSubobjectInstancing and NonNativeInstancedSubobjects automation tests fail. ...

Disabled Skeletal Mesh Sections cause Shadow Ray Tracing Flicker

If a skeletal mesh has a section disabled the ray traced shadow will flicker when the camera or itself moves. Previously in 5.6.0 no raytraced shadow would appear if a section was disabled. This wa ...

PCG sampling of RVT does only works when sampling the first texture layer

The logic for selecting a page table texture in FVirtualTexturePageTable::Initialize() uses the indexing for texture layers (index 0-7) to fetch from the page table textures (index 0-1). All RVT for ...

VirtualTextureStreamingPriority cannot be set per TextureLODGroup

It is currently not possible to set a VirtualTextureStreamingPriority via the TextureLodGroups that are defined in a device profile. ...

Crash on 5.7 when running with the Vulkan RHI and async compute

Making this a placeholder for now. Will fill out the description asap ...

Issue with Niagara emitter inheritance

Modules in the particle spawn stage get unlocked and lose inheritance after changing the inherited emitter's interpolated spawn mode to "No Interpolation" then resetting. ...

DoDeferredRender will not UpdateBound correctly when NavigationCachedBoundsUpdated

With InstancedStaticMeshComponent, after calling AddInstance, an instance that’s far away gets culled because of additional logic that was added in 5.7 to This works correctly in 5.6 and the instanc ...

Initialization error when creating FEventReply objects from Python

the handled value passed to unlock_mouse is actually treated as unhandled, because FEventReply has no uproperty and no Identical()function of its own. Adding WithIdenticalViaEquality can fix this is ...

Niagara problem with "Static Mesh Location" module

The bake_transform_with_settings method works in 5.6 but not 5.7

Trying to automate the process of baking transforms via python and the identical code above works in 5.6 but not in 5.7. There are no error messages in the output log. When running in 5.7, it does ...