Drupion switches to multi-byte UTF-8 supported MariaDB database
Since Drupal 7.50 introduced multi-byte UTF-8 support for MySQL and other database drivers, allowing for emojis, Asian symbols, mathematical symbols, etc., it has been possible to get such symbols to be properly stored by and displayed on Drupal 7 sites.
However, the 4 byte UTF-8 support on most Drupal 7 websites remain still disabled because of mainly two reasons: