This was already blogged about earlier today on SP's new Ruby on Rails blog... but I figured it needed some forum love.
The biggest upgrade in Rails history has finally arrived. Rails 1.1 boasts more than 500 fixes, tweaks, and features from more than 100 contributors. Most of the updates just make everyday life a little smoother, a little rounder, and a little more joyful.
(Check out SP's recent RoR article, too. ;))