| Version | Type | Date |
|---|---|---|
| 4.2-beta | beta | Oct 2015 |
| 4.1-beta | beta | Oct 2015 |
| 4.0-pre-alpha-1 | alpha | Oct 2015 |
| 4.0-beta-7 | beta | Oct 2015 |
| 4.0-beta-6 | beta | Oct 2015 |
| 4.0-beta-5 | beta | Oct 2015 |
| 4.0-beta-4 | beta | Oct 2015 |
| 4.0-beta-3 | beta | Oct 2015 |
| 4.0-beta-2 | beta | Oct 2015 |
| 4.0-beta-1 | beta | Oct 2015 |
| 4.0-alpha-5 | alpha | Oct 2015 |
| 4.0-alpha-4 | alpha | Oct 2015 |
| 4.0-alpha-3 | alpha | Oct 2015 |
| 4.0-alpha-2 | alpha | Oct 2015 |
| 4.0-alpha-1 | alpha | Oct 2015 |
| 4.0-RC2 | candidate | Oct 2015 |
| 4.0-RC1 | candidate | Oct 2015 |