I am still on 1Password 6 because it is the last version with the self-hosted vault.
You have to upgrade from within the IP7 app but only if you downloaded from their site, not appstore.
The main bummer is no Safari extension, which (together with no RES) is preventing me from using Safari as my main browser.
Looking back at the times ~10 years ago, it was a pretty good investment to buy software licenses before everything went SaaS.