"password_only_alphanumeric_allowed"
and "password_alphanumeric_required"
have been added. With these parameters, it is possible to restrict what kinds of passwords users can pick. (The first parameter will disallow any characters besides letters and numbers; the second requires a password to contain at least one small letter, one capital letter and one digit.)"country"
has been added (containing the two-letter code of account’s country).