In System → Settings → General : any change of Language select does nothing. My front interface stays in English
Now that i want to use “Assist” it only talks in english.
Nota : locals are good (dates & numbers), but everything else stays in english
Might be your browser that are using its cache instead of getting the new info from HA. Try force updating the page. In some browsers its done by holding down CTRL and pressing F5, but check your browser manual.
Try changing the language in your profile
Lol, I am so dumb ! Thx anyway !