See a Log24 search that includes earlier posts on “Redactedentity.”
Recent activity by that entity at the Encyclopedia of Mathematics:
As the above “recent changes” list notes, Redactedentity added
a new favicon section to Talk:EoM on December 7, 2020. Details —
The new section as it appeared later, with “Redactedentity”
replaced by “Mihir Narayanan” —
Update at 5:35 PM ET on Thursday, Dec. 10, 2020 —
User “Redactedentity” at Wikipedia is now user “Mihir Narayanan.”