the most recently restarted dirauths appear to run Tor 0.2.6.1-alpha-dev, including four of the five US-based dirauths (moria1, Faravahar, urras, dizum). gabelmoo, tor26, longclaw, Tonga, and maatuska appear to be running Tor 0.2.5.10. dannenberg is running Tor 0.2.5.9-rc.

roger's dirauth (author of the post) moria1 (US) restarted ~1d ago and shows a blip in traffic earlier today, which may or may not have something to do with the post: https://atlas.torproject.org/#details/9695DFC35FFEB861329B9F...

peter's tor26 (austria) restarted 12h ago: https://atlas.torproject.org/#details/847B1F850344D7876491A5...

dizum (netherlands) was also recently restarted 16h ago: https://atlas.torproject.org/#details/7EA6EAD6FD83083C538F44...

Tonga (netherlands) looks mostly normal, restarted ~7d ago: https://atlas.torproject.org/#details/4A0CCD2DDC7995083D73F5...

sebastian's gabelmoo (germany) restarted 2d ago: https://atlas.torproject.org/#details/F2044413DAC2E02E3D6BCF...

CCC's dannenberg (germany) restarted 3d ago: https://atlas.torproject.org/#details/7BE683E65D48141321C5ED...

jake's urras (US) is showing relatively low bandwidth & restarted ~2d ago: https://atlas.torproject.org/#details/0AD3FA884D18F89EEA2D89...

Faravahar (US) restarted 4d ago: https://atlas.torproject.org/#details/CF6D0AAFB385BE71B8E111...

riseup's longclaw (US) restarted 9d ago: https://atlas.torproject.org/#details/74A910646BCEEFBCD2E874...

linus's maatuska (sweden) has been up for 30d: https://atlas.torproject.org/#details/BD6A829255CB08E66FBE7D...

recent activity in tor's commit log may also offer up some clues: https://gitweb.torproject.org/tor.git/log/?showmsg=1