I created a new bug report about the mouse-over issue for Sender with hidden email address by default: https://bugzilla.mozilla.org/show_bug.cgi?id=1907039Let see if it will be picked up by the dev team as they may be enclined to look into it when fo...
I can also confirmed the feature is present in TB 128.0b6 (64-bit) and enabled by default showing display name <email address>. But be aware that this feature only applies to sender not present in addressbook. For your addressbook contact only the di...
For those that may be interested, it is already possible to mouse over recipient to see email address but there are more improvements coming up...Thunderbird may by default soon show Full Name <email> except for known addresses registered in address ...
