I have a custom login page on a site and it has worked earlier to press the enter key on the keyboard instead of clicking on the Login button.
However, after upgrading to 9.1.1 (Platform edition) from 9.0.1 pressing the Enter key doesn't do nothing any longer.
I also reproduced this with a fresh install of 9.1.1.
I verified it's the very same skin file running by entering some text directly into the skin file and switched login between Dnn default and my custom login page. So it doesn't seem to be skin related.
Anyone else seen this behavour?
Verify pressing the enter key at the Dnn default login page will log you in after having entered your credentials.
Now create a new page and allow anyone to view the page. Add the Account Login module to the newly created page.
In Site Settings - Site Behaviour - Default Pages set the Login Page to the newly created page.
Enter your credentials and press the Enter key on the keyboard.