Linux Mint 19.3 is officially out, “What’s New” and release notes here (for Cinnamon):
https://www.linuxmint.com/rel_tricia_cinnamon_whatsnew.php
https://www.linuxmint.com/rel_tricia_cinnamon.php
I’ve been waiting on this version for a while as it uses kernal 5.0 which should handle ZxR soundcards out of the box, rather than having to fiddle around updating the kernal in previous versions