26 January 2011 P1.0 (Printing)

  • First Printing

13 December 2010 B8.0

  • Final beta. Now on to typeset and then to the printer.

22 October 2010 B7.0

  • Content complete. Now, on to production.

14 September 2010 B6.0

This release includes the final chapter on building graphical user interfaces with JRuby and Swing. We’ve updated the Rails and database chapters to the final release of Rails 3. Finally, we’ve updated some of the examples in the database chapter to require fewer dependencies.

24 August 2010 B5.0

The Rails chapter is now up to date with the upcoming Rails 3 release. We’ve also added two new appendices: one on JRuby’s many command line options, and one on system administration (including a quick section on JMX). To lead off the book, we have wonderful forewords from Yukihiro “Matz” Matsumoto and Bruce Tate. Thanks, guys!

29 July 2010 B4.0

For this release, we’ve added a new chapter on the JRuby compiler. We’ve also beefed up the installation section with information on Windows and Mac installers, the Ruby Version Manager (RVM), and a couple of integrated development environments (IDEs).

The ActiveRecord section of the database chapter is now up to date with Rails 3. The Beyond Unit Tests chapter has a new section on the Webrat web testing tool.

21 June 2010 B3.0

  • This release contains a new “Ruby 101” appendix geared towards developers coming to Ruby from Java.

03 June 2010 B2.0

This release includes a new chapter on Building Software for Deployment.

05 May 2010 B1.0

  • First beta