Observed behaviour
for a french topic: lang=en
https://twitter.com/sylduch/status/773057972826148865
Expected behaviour
for a french topic: lang=fr
plugin found
plugin found, but I don’t know if it works correctly
categories named as locales will be localized to that locale
GitHub - scossar/localized-categories: categories named as locales will be localized to that locale
source : Subforum with different language (help wanted) - #3 by simon - support - Discourse Meta