I know I’m resurrecting an old thread, but just wondering if you ever found a solution to this. I’m not 100% positive, but pretty sure it just started for me with Monterey. I would say about 70% of the time, when I open a new tab, it closes almost immediately, or when I type a new url in an existing tab, it starts to load then goes back to what was previously in the tab (e.g. do a search, loads results, then goes back to previous page). It’s not a dealbreaker but still extremely annoying. It feels like I’ve got some hardware switch accidentally pressed or something to go back, but I don’t. I was going to post a new topic, but searched, but sounds like you were having the same issue.