The update to v115.2.2 in 64 bit windows appears to be a step backwards. My subscribed subfolders on my IMAP server are no longer visible. When I select File->Subscribe, I can see them, and they are all checkmarked, but they are not visible in the Folder pane. Also, the mouse scroll wheel has stopped working! I cannot use the scroll wheel to scroll through the Mail pane or the Folder pane, nor can I scroll in an email window. Please advise how to go back to a version of Thunderbird that actually works.