There’s one Apple TV issue that Macworld readers (and me) have dealt with for years: entering passwords! Many tvOS apps rely on a round-trip with a browser instead of a password, providing a code that you enter after using a desktop computer or mobile browser to log into an account. That’s just fine.
With apps that want actual text entered, it’s been frustrating. A few releases ago, Apple linked tvOS and iOS, so that when a text entry field appeared, you received an alert on iOS devices logged into the same Apple ID, and could at least type in from your iPhone or iPad.
You could also enter a password by tapping it in with the keyboard or switching to a password manager app in iOS, finding the account and password, copying the password, switching back, and pasting it in.