Because no one asked for it.

If you compare with Apple, then:
1. Apple does not give applications the ability to know how many characters in the password  ;)
2. Security is achieved by blocking after several attempts.

I think that the smart home application is more dangerous than the banking one - because unauthorized management of the house is not only a matter of privacy of information, but also a real threat to life.

This function is in the development plan by the end of the year

It is not possible now, but it is good idea for different style.

Hello, is your problem still unresolved?

Hello, is your problem still unresolved?

Hello,

we discus it with Wouter on ISE.

It's not a good solution to suggest the length of the password to the user. Because prompting the length of the password we simplify the task of password selection by an attacker.

We not have any plans to implement this features.

Hello, we not supported server API anymore. It depends on security issues.

Hello, is your problem still unresolved?