https://reviewers.addons.thunderbird.net/En-uS/firefox/addon/simple-locale-switcher/reviews/698236/
Simple Locale Switcher :: Reviews :: Add-ons for Firefox
locale switcheradd onssimplereviewsfirefox
https://symfony.com/blog/new-in-symfony-6-1-locale-switcher
New in Symfony 6.1: Locale Switcher (Symfony Blog)
Symfony 6.1 introduces a Locale Switcher service to change the application locale dynamically.
new inlocale switchersymfonyblog