I visited tails.boum.org and noticed that in the call for testing, the RC
version number is 2.10. The first thought was that it was a typo for (3.10) and
others would surely have mentioned it somewhere in the git repository. Is this
a fork of 2.9.1 with improvements?
Whonix has forked tor-controlport-filter by Tails.
https://github.com/Whonix/control-port-filter-python
Whonix is using a different configuration parser.
This is now documented in details here:
https://www.whonix.org/wiki/Dev/Control_Port_Filter_Proxy/tor-controlport-filter/config
Best