* (T109121) Remove deprecated pear/mail_mime-decode from composer suggested libraries.
* (T200595) Fix PHP 7.3 warnings of using "continue" in some scenarios instead
of "break".
+* (T206979) Fix PHP 7.3 warnings of using "compact()" when some variables may
+ not be set.
+* Fix PHP 7.3 warnings "preg_replace(): [...] invalid range in character class"
== MediaWiki 1.31.1 ==