A taste of what's coming in Rails 2.1
weblog.rubyonrails.org/2008/4/1/a-taste-of-what-s-coming-in-rails-2-1
From the page
Saved with the link. Notes from 2007 to 2016 are mostly the page's own words, so this is probably an excerpt.
Rails 2.1 is not far off the horizon and weve been adding a ton of extra deliciously nice goodies in preparation of its release lately. As always, the good Ryan Daigle has been keeping a watchful eye on the changelog and has been documenting some of the new features. The latest stars are:
Gem Dependencies Dirty tracking with partial updates has_finder in the form of named_scope Built-in timezone support Better caching infrastructure