This seems to be a different subject, or you’re just making up new criteria on the fly 😂

Firefox has finally opened up their larger add-on repo on Android. It seems to be slow going(?) but syncing extensions across desktop and mobile should eventually be possible.

Shortcuts — idk but probably not.

Use Firefox with a Mozilla account, sync bookmarks between browsers.

Since you already rejected xbrowsersync, I’m guessing that’s not the answer you want but honestly, who needs a web client if you’re syncing right into your browser?

The exact domain name I was unconsciously quoting 😂

Agreed, Kissane and Kazemi are community forces to be reckoned with in this context. Their research into governance has been funded for at least the first half of 2024.