Composition IME : La touche Entrée déclenche l'envoi du message au lieu de confirmer la saisie

[j.jaffeux (Joffrey Jaffeux)]

That should fix it once merged:

FIX: improves input method editor in chat

Note that I tried on google.com too for example, and the first choice won’t work with enter, you need to use 1 for it to work.