- Rubygems 0.8.3’s installer was broken unless you already had an older version of RubyGems installed. That’s fixed.
- Change in the way Gem::Specification internally deals with lazy attributes and defaults, bringing (with some loadpath_manager changes) a fairly significant increase in speed.
- Support for lower-cased Gem file names (for you, Paul Duncan :)
- Erik Veenstra’s patch for making Gem versions sortable.