When viewing a page in the Module namespace on my test wiki, I am getting the following deprecation warnings:
Deprecated: Use of SyntaxHighlight_GeSHi::prepare is deprecated. [Called from ScribuntoContent::fillParserOutput in /home/ki/Projects/mediawiki/extensions/Scribunto/common/ScribuntoContent.php at line 123] in /home/ki/Projects/mediawiki/core/includes/debug/MWDebug.php on line 300
Deprecated: Use of SyntaxHighlight_GeSHi::buildHeadItem is deprecated. [Called from ScribuntoContent::fillParserOutput in /home/ki/Projects/mediawiki/extensions/Scribunto/common/ScribuntoContent.php at line 136] in /home/ki/Projects/mediawiki/core/includes/debug/MWDebug.php on line 300