UTF-8 in passwords

I've been told that WinSCP allows utf-8 characters in passwords.
Is this so?
If so, how would they be entered into the password field?
eg: if I want to enter a Euro sign, would I enter U+20AC, or e282ac?
Would it count as 1 character or as 3 characters?
What is the maximum number of characters allowed in a password?

About which password you are talking?

This one? https://winscp.net/eng/docs/master_password

Or for the hosts? https://winscp.net/eng/docs/guide_protecting_credentials_for_automation

I'm talking about the password I send to the host to authorize access.

hsfrey wrote:

I'm talking about the password I send to the host to authorize access.

There is no any special notes here https://winscp.net/eng/docs/ui_authenticate#password about maximum number of characters. In such situation it depends only on host's (server's) maximum number of characters allowed (+ rationality).

If I want to enter a Euro sig - then you enter €
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What do you mean by "would I enter U+20AC, or e282ac?".

Enter the Euro sign the way you would enter it elsewhere. I do not know how you do it.

See
https://www.fileformat.info/tip/microsoft/enter_unicode.htm
https://superuser.com/q/847998/213663

For me Alt+0128 works.