This is something that folks are working on via the `passwordrules` attribute https://github.com/whatwg/html/issues/3518 https://github.com/whatwg/html/issues/

This is something that folks are working on via the `passwordrules` attribute https://github.com/whatwg/html/issues/3518 https://github.com/whatwg/html/issues/3518 With that and a well-known endpoint for changing passwords (not quite the same thing as what you’re describing; https://w3c.github.io/webappsec-change-password-url/ https://w3c.github.io/webappsec-change-password-url/) we are moving in that direction.