PCG: Unable to use Attribute property overrides to target nested struct properties, such as BodyInstance.CollisionProfileName due to how it's validated in PCGMeshSelectorByAttribute.cpp

UE - World Creation - Procedural Tools - PCG Graph - Jun 17, 2025

Context: Static Mesh Spawner is used to spawn one static mesh per point in the provided point data. PCGMeshSelectorByAttribute is used to select an entry based on an attribute present on the mesh. ...

Duplicated PCG Component instance resets overridden parameters to default

UE - World Creation - Procedural Tools - PCG Graph - Jun 4, 2025

Context: Similar to parameters in the Material editor, PCG Graph Parameters are user created overridable values and can help create customizable graphs for a variety of situations. Problem: The l ...

GPU PCG node fails to cook if within Subgraph

UE - World Creation - Procedural Tools - PCG Graph - May 13, 2025

When cooking a project that has a PCG graph with a subgraph containing a GPU node (Point Processor in the example provided), the cook fails with an illegal reference. However, the same GPU node used ...

Wires to PCG nodes with translated properties are cut

UE - World Creation - Procedural Tools - PCG Graph - Apr 19, 2024

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 ...

PCG graph always resave in the ResavePackage commandlet

UE - World Creation - Procedural Tools - PCG Graph - Nov 20, 2023

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 ...

PCG Graph on 2x2 Landscape incorrectly displays weight on paint layers

UE - World Creation - Procedural Tools - PCG Graph - May 26, 2023

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 ...