I'm dreaming, I know, but I think TerraPlusPlus could really benefit from the fact that Distant* Horizons now supports iris shaders. TerraPlusPlus could gain a lot from this update.

TerraPlusPlus is a Forge mod, we would need to redo the entire mod for this.

I know, mate... when I realized just how powerful the DH+iris combo really is, the first thing that came to mind was this Terra project.

The only way right now to use Distance Horizons with a Terra "world", is to set up TerraPlusMinus on a server (ex. on a Paper server), and connect to it with a Fabric client. Here's what it looks like in game: