We are running Thunderbird 115 and encountering an annoying issue. We run two separate mailboxes and always sort by date with most recent at the bottom. It seems that whenever we switch from one mailbox to the other, the focus seems to jump to somewhere in the middle of the message library, rather than the 'bottom'/newest message. We scroll to the bottom, and then switch back again to the other mailbox and find our focus again somewhere in the middle...