This seems to be important, so we’ll address it in one of the upcoming Plesk releases.
Please continue to vote so we can accurately assess the popularity of this request.
These suggestions look quite reasonable. We encourage other WPT users to join and let us know what other security improvements you’d like us to implement in WPT.
"Would love to be able to change wp-login-php file name and still be able to use the "log in" button in Plesk to login to WP."
Me too, any feedback if this could make it into the toolkit. Maybe just add support for plugins, that do that, so you don't need to add everything from scratch, if possible.