We just upgraded from Mediawiki 1.36 to Mediawiki 1.36.1. Mediawiki 1.36 was OK. Mediawiki 1.36.1 has the problem. It looks like CSS formatting no longer works. Deprecated: Use of BaseTemplate::getFooterIcons was deprecated in MediaWiki 1.35. [Called from VectorTemplate::getFooterData in /var/www/html/w/skins/Vector/includes/VectorTemplate.php at line 223] in /var/www/html/w/includes/debug/MWDebug.php on line 376 Jeff