User groups management
User rights log
- 19:08, 9 December 2021 Yamaguchi先生 talk contribs changed group membership for Yamaguchi先生 from administrator to administrator and autopatrolled (Manually adding autopatrolled per outcome of RFC 2021/7D.)
- 23:45, 5 November 2015 Acalamari talk contribs changed group membership for Yamaguchi先生 from pending changes reviewer and rollbacker to administrator (Wikipedia:Requests for adminship/Yamaguchi先生)
- 22:02, 14 January 2015 Just Step Sideways talk contribs changed group membership for Yamaguchi先生 from rollbacker to rollbacker and pending changes reviewer (per request at WP:PERM)
- 22:40, 30 September 2014 HJ Mitchell talk contribs changed group membership for Yamaguchi先生 from (none) to rollbacker (Trusted user)