David Heinemeier Hansson just announced the offcial release of Rails 1.0! I also noticed that the Rails website has been updated with a new look.
According to DHH here’s what you need to do…
To install Rails 1.0:
gem install rails --include-dependencies
To learn about upgrading a Rails application not already running 0.14.x: http://manuals.rubyonrails.com/read/book/19