WikimediaDebug is a browser extension to help debug WMF wikis in production. [1]

TL;DR: * The popup has been redesigned (including dark mode support). * Support for Beta Cluster (including XHGui). * A new "Inline profile" option.

For more details and a general overview of how WikimediaDebug works: See https://phabricator.wikimedia.org/phame/live/7/post/183/ https://phabricator.wikimedia.org/phame/live/7/post/183/wikimediadebug_v2_is_here/

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[1] Firefox: https://addons.mozilla.org/en-US/firefox/addon/wikimedia-debug-header/ Chrome: https://chrome.google.com/webstore/detail/wikimediadebug/binmakecefompkjggik...