在经历 Rails 1.0, 1.1, 1.2 多个版本发布后，Rails 迎来了其 2.0 的正式发布。
Rails 2.0 在以下方面做了增强和创新:
- Action Pack: Resources
- Action Pack: Multiview
- Action Pack: Record identification
- Action Pack: HTTP Loving
- Action Pack: Security
- Action Pack: Exception handling
- Action Pack: Cookie store sessions
- Action Pack: New request profiler
- Action Pack: Miscellaneous
- Active Record: Performance
- Active Record: Sexy migrations
- Active Record: Foxy fixtures
- Active Record: XML in, JSON out
- Active Record: Shedding some weight
- Active Record: with_scope with a dash of syntactic vinegar
- ActionWebService out, ActiveResource in
- ActiveSupport
- Action Mailer
- Rails: The debugger is back
- Rails: Clean up your environment
- Rails: Easier plugin order
- hundreds of bug fixes, tweaks, and feature enhancements
robbin在其blog中发布了Rails 2.0的中文译文, 在此感谢.