This seems to be happening again as of today:
https://commons.wikimedia.org/wiki/Special:Contributions/127.0.0.1
And been causing loads of AbuseFilter warnings all day long which is causing lots of noise in patrolling tools:
https://commons.wikimedia.org/w/index.php?title=Special:AbuseLog&wpSearchUser=127.0.0.1
Version: master
Severity: major