with this new medawiki version I get this error in orange color
Warning: OutputPage::getModuleStyles: style module should define its position explicitly: ext.slideshow.css ResourceLoaderFileModule [Called from OutputPage::getModuleStyles in C:\wamp\www\mediawiki-1.26.0\includes\OutputPage.php at line 621] in C:\wamp\www\mediawiki-1.26.0\includes\debug\MWDebug.php on line 300
and there is no new version of this exetension : how to solve this warning which mask the top of my site