I just upgraded to Pine 4.58. Yes, I still use Pine for email. It's comfortable, and does everything I need for it to do.
The irritation I was having with the previous version (I actually don't know what version I was running) was that email subjects with "foreign" characters would simply display as blank. I had been putting up with this for a while, but a recent thread containing the word Détente in the subject line made me go out seeking a solution.
I can't detect any other changes of note. Yet.