The v1.1 update has gone live on the Marketplace. Grid Creation Systems is now compatible with v4.23 as well.
@Arcane You can now populate the grid points with individual instances of actors including skeletal mesh actors & characters. Here’s an example of it being used with the character class from Top Down Template:
You can set it up by following the instructions listed in the previous post (Grid Creation Systems - #6 by Stormrage256 - Marketplace - Unreal Engine Forums). Doing so will delete the instanced static meshes and spawn new actors at grid points.