For context about OOUI and OOjs: https://www.mediawiki.org/wiki/OOUI/Using_OOUI_in_MediaWiki https://www.mediawiki.org/wiki/OOUI/Using_OOUI_in_MediaWiki, https:

For context about OOUI and OOjs: https://www.mediawiki.org/wiki/OOUI/Using_OOUI_in_MediaWiki https://www.mediawiki.org/wiki/OOUI/Using_OOUI_in_MediaWiki, https://www.mediawiki.org/wiki/OOjs https://www.mediawiki.org/wiki/OOjs A deeper dive presentation into the move into OOUI (which started meaningfully plotting and happening ca. 2013) from storing state in DOM elements, and challenges implementing it: https://www.youtube.com/watch?v=T_CUN2o4faw https://www.youtube.com/watch?v=T_CUN2o4faw