1. Ruby 2.1.5 Released: 26 Nov 2014 (9 months ago) Technical Details | Change Log
  2. Ruby 2.0.0 Released: 25 Feb 2013 (2 years 6 months ago) Technical Details | Change Log
  3. Ruby 1.9.3 Released: 01 Nov 2011 (3 years 9 months ago) Technical Details | Change Log
  4. Ruby 1.9.2 Released: 21 Aug 2010 (5 years ago) Technical Details | Change Log
  5. Ruby 1.9.1 Released: 09 Jun 2010 (5 years 2 months ago) Technical Details | Change Log
1