Tags give the ability to mark specific points in history as being important
1.31.0-rc.2, being the second (heh) release candidate
1.31.0-rc.1, being the second release candidate
1.31.0-rc.0, first RC of 1.31 series
1.29.1 stable release for 1.29.x series
1.29.0-rc.0: being the first release candidate
1.28.2 point release
1.27.3 point release
1.23.16 security release
1.28.0-rc.1 being the second release candidate