http://x5e3cyboahzpxy5mtarihvfd2dphbzyzeqvrz5evd54ulii3dym43qqd.onion/only-a-third-of-darknet-sites-have-switched-to-the-v3-link-standard/index.html
October 2021: Stable versions were released for all Tor branches that did not support v2 domains. November 2021: Tor Browser 11 was released, which permanently removed support for v2 domains. Alas, despite all this preparation, experts at DarkOwl, a darknet monitoring company, report that the Tor network still largely consists of servers running the old v2 links domains.