http://www.syndie.i2p/dev.html
$minor $quality ,
where $major indicates a substantial functional change, $minor indicates bugfixes and small improvements, and $quality values of a,b,rc indicate whether
a release is a lpha quality (substantial changes still in progress,
liable to break, for geeks only), b eta quality (unstable, but
changes are primarily bugfixes, for geeky testers), r elease c andidate quality (final testing before release),
respectively. Releases without a,b,rc are stable, production quality
releases.