| Version | Type | Date |
|---|---|---|
| 6.6.9 | release | Feb 2016 |
| 6.6.8-p1 | release | Oct 2015 |
| 6.6.8 | release | Jun 2015 |
| 6.6.4 | release | May 2015 |
| 6.6.7 | release | May 2015 |
| 6.6.5 | release | Apr 2015 |
| 6.6.3-p1 | release | Mar 2015 |
| 6.6.3 | release | Feb 2015 |
| 6.6.2-p2 | release | Feb 2015 |
| 6.6.2-p1 | release | Jan 2015 |
| 6.6.2 | release | Jan 2015 |
| 6.6.1 | release | Jan 2015 |
| 6.6.0 | release | Jan 2015 |
| 6.5.6-p1 | release | Jan 2015 |
| 6.5.6 | release | Dec 2014 |
| 6.5.5 | release | Nov 2014 |
| 6.5.2 | release | Oct 2014 |
| 6.5.1 | release | Oct 2014 |
| 6.2.1-p1 | release | Oct 2014 |
| 6.5.0-p1 | release | Oct 2014 |
| 6.5.0 | release | Sep 2014 |
| 6.2.1 | release | Sep 2014 |
| 6.2.0 | release | Aug 2014 |
| 6.2.0-rc6p1 | candidate | Aug 2014 |
| 6.2.0-rc5 | candidate | Aug 2014 |
| 6.2.0-rc4 | candidate | Jul 2014 |
| 6.2.0-rc2 | candidate | Jul 2014 |
| 6.2.0-rc1 | candidate | Jun 2014 |
| 6.1.9 | release | Jun 2014 |