Can't PureOS upgrade options be pushed by e-mails?

[FranklyFlawless]

@jasonolshefsky

How am I supposed to know if there is a new version out?

Blog posts and respective forum threads in the Announcements category. You can use this RSS feed to stay updated with the former:

Purism

@jasonolshefsky

Is Crimson stable and official?

No and yes. See also:

PureOS Crimson Question!

Which in turn, cites this blog article: Then, bringing it up to the present, we have this scenario: Byzantium, which is stable Crimson, which is rolling The key terminology here is “hybrid point release and rolling release model”, not “hybrid stable and unstable”. By the way, here is Crimson: https://downloads.pureos.net/crimson/