True. It's CB in France https://en.wikipedia.org/wiki/Groupement_des_Cartes_Bancaire...
Fewer and fewer banks supports it. It's obvious when looking at the neobanks' offers: https://www.zupimages.net/up/24/07/zbua.png ("Réseau CB: Oui [yes] / Non [no]"). A shame as the whole French payment network now relies almost solely on Visa, a $500T US giant.