Now if your forms has multiple languages and one of them matches with user's browser then the language will be auto-selected.
So for e.g if your form supports 2 languages English and Spanish and a user opens your form with their browser's default language set as Spanish then they won't be asked to chose a language. It will be auto-selected to Spanish.
P.S Of course like earlier they will be able to change their language from the top right dropdown in the form.