When I upgrade to a new version, it'd be nice if you'd default to KEEPING MY EXISTING SETTINGS, thank you very much. That way, aside from anything else, you wouldn't be restarting completed torrents from scratch. More to the point, I, in my not-too-unreasonable expectation of a transparent upgrade, wouldn't have to decide whether to restart or abandon the incomplete download I'm I was about three and a half days into.
Honestly, I think I preferred the old version, at least as far as its interface goes.