Happy to answer any questions!
A bunch of us are currently in https://meet.google.com/qre-gydb-mkv chatting about this. (Edit: the hour is over; we all left)
The earlier Apr 1st blog post was https://tailscale.com/blog/tailscale-enterprise-plan-9-suppo...
I've never set up a Plan 9 system... does this allow the distributed systems communications to run through my Tailnet?