Application framework RubyOnRails version 1.1 was released on Tuesday, adding more than 500 fixes and new features to the popular system for developing Web applications with the lightweight Ruby scripting language. The star addition to Rails 1.1 is support for AJAX-style programming. Tasks that previously required more extensive coding and server calls can now be handled more concisely with RJS templates. Here's a list of what's new in version 1.1.