WordPress 3.3 RC 3 has been released. There were just a few things to fix, so the final 3.3 release should be right around the corner.
If you’re a plugin or theme developer, and you haven’t tested your products against WordPress 3.3 yet, you my have just a few days (if not hours) left before the final release is public.
Andrew Nacin has provided an outstanding WordPress 3.3 field guide for developers and Mika Epstein has provided an awesome WordPress 3.3 known issue and FAQ master list.
As always, feel free to report any bugs that you find and contact the support forums if you need any help.
From the looks of it, WP 3.3 is now completely out.