Change Details

**Steps to replicate the issue** (include links if applicable): * In multi language wiki (wikidata,meta) the current interface language is English * open top language selector and try to choose any other language **What happens?**: the interface language remain English **What should have happened instead?**: the interface language must changed to selected language **Remark**: I can change the interface language from preferences. **Update*: this is Firefox bug, Chrome is OK

**Steps to replicate the issue** (include links if applicable): * in multi-language wiki (wikidata,meta,mediawiki) . I will use wikidata urls as s example * you have set a global interface language in [[https://www.wikidata.org/wiki/Special:GlobalPreferences#mw-prefsection-personal| (Internationalization section) ]] no matter what language you choose in global preferences (for example Spanish) * you set an exception for interface language in the wiki [[https://www.wikidata.org/wiki/Special:Preferences#mw-prefsection-personal|(Internationalization section)]] by checkbox of ``Set a local exception for this global preference.`` and set the language to English in same page. * go to any other page [[https://www.wikidata.org/wiki/Wikidata:Main_Page|main page for example]]. * open top language selector and try to choose any other language (Deutsch for example). **What happens?**: the interface language remain English **What should have happened instead?**: the interface language must changed to selected language **Remark**: I can change the interface language from preferences. this bug checked in chrome and firefox. wikidata, meta and mediawiki got same result.

**Steps to replicate the issue** (include links if applicable): * I* in multi -language wiki (wikidata,meta) the current interface language is English,mediawiki) . I will use wikidata urls as s example * you have set a global interface language in [[https://www.wikidata.org/wiki/Special:GlobalPreferences#mw-prefsection-personal| (Internationalization section) ]] no matter what language you choose in global preferences (for example Spanish) * you set an exception for interface language in the wiki [[https://www.wikidata.org/wiki/Special:Preferences#mw-prefsection-personal|(Internationalization section)]] by checkbox of ``Set a local exception for this global preference.`` and set the language to English in same page. * go to any other page [[https://www.wikidata.org/wiki/Wikidata:Main_Page|main page for example]]. * open top language selector and try to choose any other language (Deutsch for example). **What happens?**: the interface language remain English **What should have happened instead?**: the interface language must changed to selected language **Remark**: I can change the interface language from preferences. **Update*: this is Fthis bug checked in chrome and firefox bug,. Chrome is OK wikidata, meta and mediawiki got same result.