Board Thread:Support Requests - Getting Technical/@comment-28245851-20170913171503/@comment-27958705-20170921185220

it can be solved by client-side patch. smth like mw.hook('wikipage.content').add(function(content){if (content.find('.tabber:not(.tabberlive)').length) mw.loader.load('ext.tabber')}); but it is not a reliable long-term solution.