First Ismara and Ithaca, now Xuthus... Penelope's Star system just keeps getting better and better.
Some might say that this mod makes it too good and essentially eliminates the need to explore for a home, but personally, I'm glad to have a nice place I can default to.
By the way, does the Atmosphere Adjuster remove pollution? I mean, if it can turn a toxic hellhole into a pristine paradise, it should be able to clean up a little smog, too. Though, I would understand if you think that the hazard from pollution comes not from the air, but whatever's on or below the surface.
Oh, and congrats on 3.0 and getting rid of the ghost planets.