The text in the "Powered by Mediawiki" and "a Wikimedia project" buttons should be localizable, as should the targets of the links. For example, if the wiki's (or the user's) language is set to French, the target of the "Powered by Mediawiki" button could be www.mediawiki.org/wiki/MediaWiki/fr?uselang=fr (or setlang as it becomes available), and the text "Powered by Mediawiki" could be replaced by a French translation, with the Wikimedia button linking to wikimediafoundation.org/wiki/Accueil?uselang=fr and its text also translated.
Version: unspecified
Severity: enhancement
See Also:
T44128: "Powered by Semantic MediaWiki" button needs a redesign
T45680: Default MediaWiki logo should not be hard-coded "Set $wgLogo to...." text