George Kadianakis:
I think this is OK.
The patch that required Stable flag for Guard flag only got merged recently:
Just for the record, the corresponding ticket [1] and commit [2].
I'm not sure how many dirauths run a Tor version with that patch.
% git tag --contains c4208ef65f58836670dab286bad0289259582124 tor-0.2.9.1-alpha
So it's just 'moria1'.
[1] https://trac.torproject.org/projects/tor/ticket/18624 [2] https://gitweb.torproject.org/tor.git/commit/?id=c4208ef65f58836670dab286bad...
-- Ivan Markin