Whee! I’m running 2.3.1 now. No major problems so far (though I had to upgrade FeedWordPress and the Google Sitemap Generator since those had compatibility issues)
I’m also attempting OpenID commenting again. Hopefully it works better than last time – it seems to so far…
If you didn’t already see my post this morning, we’re very close to having a new stable version. If you try checking it out from subversion, please let me know how it goes.