Stable release 5.1.12.
Stable release 5.1.11.
Stable release 5.1.10.
Stable release 5.1.9.
Stable release 5.1.8.
5.1.7 stable release.
5.1.6 stable release.
5.1.6 release candidate 1
5.1.5 stable release.
Tag release 5.1.5-rc1.
Change development version tag to 5.99.0.
Release 5.1.4.
Release 5.1.3.
5.1.2 stable release.
5.1.1 stable release.
Tag 5.1.0 release.
Tag release 5.1.0-rc2.
Tag 5.1.0-rc1
Tag release version 5.0.2.
Stable release 5.0.1