Not sure if this is *strictly* speaking a bug with your plugin on the other one :-)
I use http://wordpress.org/plugins/rename-wp-login/ to change my login page (
example.com/hard-to-guess rather than
When using that, I'm not prompted to enter a 2FA password, it just tells me it's incorrect. If I disable the plugin and login with
/wp-login.php everything works fine.
Thanks for a great plugin :-)