Some PCG nodes have translated properties, which will cause wires to be cut. This is why things PCG biome sample maps do not work correctly in CJK language settings. The workaround is to set the lan ...
The package that contains the PCGGrapch is dirtied on load (UPackage::SetDirtyFlag) which triggers a resave operation. I traced it back to the following callstack: UnrealEditor-CoreUObject.dll!UPac ...
In my example picture I have "Grass" set as the target attribute area but the debug cubes are appearing on the dirt and snow as well. This only happens when the landscape subsections are set to 2x ...