Sometimes grrrit-wm messages are without the username of the owner or commentor. Specifically, it appears to happen with commits and reviews by @Ladsgroup:
[#wikimedia-dev] <grrrit-wm> (CR) : [C: 1] "Tested, works like a charm" [extensions/ORES] - https://gerrit.wikimedia.org/r/292163 [#wikimedia-dev] <grrrit-wm> (CR) Krinkle: [C: 1] Require POST for action=purge [core] - https://gerrit.wikimedia.org/r/288462 (https://phabricator.wikimedia.org/T135170) (owner: Aaron Schulz) [#wikimedia-ai] <grrrit-wm> (CR) Krinkle: Add extra_param to pass to the ORES service and use precaching (1 comment) [extensions/ORES] - https://gerrit.wikimedia.org/r/292163 [#wikimedia-ai] <grrrit-wm> (CR) : Add extra_param to pass to the ORES service and use precaching (1 comment) [extensions/ORES] - https://gerrit.wikimedia.org/r/292163 [#wikimedia-ai] <grrrit-wm> (PS4) : Add extra_param to pass to the ORES service and use precaching [extensions/ORES] - https://gerrit.wikimedia.org/r/292163