1) The patch number is for things like bug and security fixes, and gets reset every time the major/minor version gets bumped. 2) Every 6 week release you bump

1) The patch number is for things like bug and security fixes, and gets reset every time the major/minor version gets bumped. 2) Every 6 week release you bump the minor version _unless_ some big feature(s) are ready to be rolled in, in which case you bump the major version instead.