I have an iPhone 15 running on the current public beta (iOS 18.2 (22C5125e)). I’ve found that emails I send to the trash pop back up in my inbox & when I try to empty the emails that were already in the trash, they won’t delete. In other words, the state of the trash folder can’t change. This happens with three of my accounts: Gmail, Yahoo & Comcast. The only account it doesn’t happen with is my iCloud. Don’t know when it started, but I noticed it 11/10. I’ve already sent in feedback.
Can’t trash emails, can’t empty existing trash
AND… with today’s update, the problem has been fixed. PTL because all those emails were causing anxiety! They have all been circular-filed