Despite being a minor point release, there are some great improvements:
- Extensions openssl and readline now working
- Code for a new graphical irb console
- Partial support for iconv and bigdecimal extensions
- RSpec now supported
- Improved Rails support
- Fixed all known block and scoping bugs
- Enhanced parser performance
- More compiler and performance work
- Refactored variable scoping logic
- 127 Jira issues resolved since 0.9.1