Regarding Mail, I don't really want it to change. Other than the improvements in stability and speed that I've noticed over the years, Mail.app is pretty much e

Regarding Mail, I don't really want it to change. Other than the improvements in stability and speed that I've noticed over the years, Mail.app is pretty much exactly what I want in a mail reader on OSX. Sometimes Apple's changes seem purely for the sake of change and result in reduced usability (e.g. Photos), I don't want that to happen with mail.