As a cheatsheet
0.0.0-milestone-somethingN
— for arbitrary milestones with specific features0.0.0-alphaN
— non-feature complete early release0.0.0-betaN
— feature complete (softly feature complete, a little bit lax here, but that is intentional)0.0.0-rcN
— strongly feature complete with all expected fixes release candidates0.0.0
— ga releases (we don't use "final", "release", or "ga" suffixes)