When I open the permissions edit window and click the 'advanced' link at the top right, the page reloads with the same regular permissions window instead of the advanced permissions window.
very strange feeling when customer tells you that issue in your product was fixed and this info present in public release notes
any way, glad to know that your problem has been solved ))
as about mail notification, please try to check your spam folder.
at the same time I will ask forum maintainers to check is everything fine with our mail system.