Per T358560 we want to deprecate BodyValidator and everything associated with it soon, ideally in MW 1.43.
Per the [[https://www.mediawiki.org/wiki/Stable_interface_policy|stable interface policy]] we should help third parties to replace their usage of the deprecated code.
Affected 3rd party extesions:
[] [[https://www.mediawiki.org/wiki/Extension:TuleapWikiFarm|TuleapWikiFarm]]
[] [[https://www.mediawiki.org/wiki/Extension:Wikibase_RDF|ProfessionalWiki/WikibaseRDF]]
[] [[https://www.mediawiki.org/wiki/Extension:Workflows|Workflows]]
[] [[https://www.mediawiki.org/wiki/Extension:Adiutor|Adiutor]]
[] [[https://www.mediawiki.org/wiki/Extension:ExtendedSearch|BlueSpiceExtendedSearch]] (mainteained by [[https://hallowelt.com/|HalloWelt]])
[] [[https://www.mediawiki.org/wiki/Extension:Checklists|Checklists]]
[] [[https://www.mediawiki.org/wiki/Extension:ContentStabilization|ContentStabilization]]
[] [[https://www.mediawiki.org/wiki/Extension:MenuEditor|MenuEditor]]
For each of the extensions, we should propose a patch or file a ticket in the appropriate location.