It’s because that the customization is not Xamarin specific behavior but comes from the underlying Android API. Update: For more information about customizing the keyboard in xamarin forms, you can check the following links: Custom Keyboard in Xamarin forms and Custom Keyboard In Xamarin.iOS In maui, you can read more about handler to custom …

https://stackoverflow.com/questions/74409837/is-it-possible-to-customize-the-keys-shown-on-a-net-maui-keyboard