Migration to 11 : easiest way to keep Firefox Sync working?

Hi all,

I am quite happy with Firefox Sync on my server. Unfortunately, as you may know, Firefox Sync is not ported from Python 2 to Python 3 by Mozilla (who work on an underfunded replacement)

I hope to upgrade my Yunohost before Syncstorage-rs is ready and think of running a separate server and restore FFSync from backup, and remove it from my ‘normal’ server.

Do you have another suggestion? Or a completely different way of syncing passwords, bookmarks and tabs?