Works for me...

Mobile views show the correct usernames (cache issue maybe?):
https://en.m.wikipedia.org/wiki/Special:MobileDiff/534896890
https://en.m.wikipedia.org/wiki/Special:MobileDiff/534318598

How would a caching issue change a user name to anonymous ? Thats seem bizarree to me.

It seems to only effect the feed view. I'm not sure how to replicate this but it suspect there is something wrong in the database query.

Stab in the dark that might fix this:
https://gerrit.wikimedia.org/r/51336

I haven't seen this in a while. There was little interest in trying out my patch so I abandoned it till we have a clearer idea what is happening.

I'm no longer seeing this. Resolving and will re-open if it happens again.

Just checked and saw another one of these weird not-really-anon guys in my watchlist. Not dead yet, unfortunately :-/

mgrover wrote:

Assigned Mingle Ticket https://mingle.corp.wikimedia.org/projects/mobile/cards/739

I've still been unable to replicate this and haven't seen this in a while... am really keen to resolve this. Is this happening? Can anyone notice any patterns to when it happens?!

Bump.. any ideas?

are you filtering out the wikidata (RC_EXTERNAL) changes here? if not, probably a good idea until they can be handled in a more elegant way.

Since this is the best lead we have let's go with it and REOPEN the bug if the problem doesn't go away:
https://gerrit.wikimedia.org/r/67471

Please reopen this if you see it again after next deployment on Tuesday 11th.