Jesse Smith from distrowatch did a review of LMDE 3 here: https://distrowatch.com/weekly.php?issue=20180917#mint
LMDE 3 - End of Life (July 2020) https://blog.linuxmint.com/?p=3887 LMDE 4 was released in March 2020: https://www.wilderssecurity.com/threads/427204/