For those using Worldcat: the site will be updated by end of August, 2022
There's a "New Worldcat Coming Soon" banner at the top of the page, and a note on the OCLC homepage:
https://www.oclc.org/en/worldcat-org.html
Archived: https://archive.ph/1x8OY and https://web.archive.org/web/20220819231953/https://www.oclc.org/en/worldcat-org.html