Rails 3.2.5 has been released
weblog.rubyonrails.orgI've just updated my "Installing Rails 3.2" guide to cover Rails 3.2.5: http://railsapps.github.com/installing-rails.html.
If you're upgrading to Rails 3.2.5 you probably should update rake, bundler, etc., while you're at it. The article offers a detailed walk through.