It’s runs really well, actually. I don’t have any solid numbers because I wasn’t really into that side of it, but I had a fairly large base going, about 20 hours past endgame (no where near a megabase, though) and no performance issues.

But the bugs are an essential part of any Bethesda game

I use Ecosia. Supposedly I’ve done enough searches for 241 trees to be planted, and I’ve yet to see anything that suggests they dont follow through with the promise to fund the planting of trees (although I’ve not actively looked). I think it’s backed by bing so the results are a bit iffy sometimes, but I use the equivalent of ddg bangs to search Google if I need