Next-generation MacBook Pros are yet to arrive, but it turns out that Apple referred to unreleased hardware in its WWDC21 keynote. Mini-LED shortages are delaying the release of the rumoured MacBook Pro 14 and MacBook Pro 16 though, which reputedly Apple had hoped to start mass-producing in Q2 2021.
https://www.notebookcheck.net/Apple-namechecks-the-M1X-MacBook-Pro-mini-LED-shortages-delaying-release.544361.0.html
YouTube automatically sets those. I just checked on a video I uploaded previously. The meta keywords are all things I did not set myself.