Portuguese ISO language code is “pt”. In Kirby v2, the translation file was always created as “pt.php” and the language code was always “pt”.
In V3, when I create a new language for European Portuguese, I need to force the language code to “pt” instead of the suggested “po”.
However, when I edit the newly created language, the code is back to “po”.
And if I try to change something, I got an error message when I click save…