* (T197206) Fix performance regression when multiple DB used without caching.
* (T197030) PHPSessionHandler: Suppress headers warnings in initialize().
* (T182377, T196793) Exif: Guard against uncountable tag values.
+* (T200861) Fix total breakage of SQLite web upgrade.
=== Changes since MediaWiki 1.31.0-rc.2 ===
* (T195783) Initialize PSR-4 namespaces at same stage as normal autoloader.