Nick Mathewson: [...]
- tbb.json
Allows "SETEVENTS STREAM" and "GETINFO circuit-status", for which see "onioncircuits" above.
===== Filters from https://git-tails.immerda.ch/tails/tree/config/chroot_local-includes/etc/tor...
[...]
- tor-browser.yml
As "tbb.json" above.
FWIW, I think that Tails' control port filter exposes to Tor Browser only the streams and circuits it has initiated itself. I'll let anonym comment further on this.
Cheers,