

No need to block every user from the instance, you can block the entire instance in your account settings.
they/them
No need to block every user from the instance, you can block the entire instance in your account settings.
Firefox relies on gtk for for those integrated buttons. It’s maybe worth checking that your gtk theme is set to breeze in System Settings > Colours and themes > Application style > GNOME/GTK Application Style (top right …), and that firefox is set to use the system theme.
When you install whatsapp, if you deny it permission to access your phone number, or if it doesn’t find one, it allows you to enter a phone number manually. It then sends a confirmation text with a code to verify the number, just like any other website.
I used an old (non-smart) phone with a burner sim to receive the confirmation text.
I don’t use it for every day apps, but for accessing things that are only available as an app:
Nah this is just AI.