An issue was discovered in the Wikibase extension for MediaWiki before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1. There is no rate limit for merging items.Referenceshttps://phabricator.wikimedia.org/T345064https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Wikibase/+/961264
