There is an accessibility issue for keyboard access in that you cannot tab to the Close button (or use Esc key to close it). This means that the dialog is stuck open and users cannot use site navigation to go anywhere else.
@bgurney What dialogue/close button are you referring to?
Sorry, the User Feedback dialog that can be used on error pages for collecting additional information.
Thanks @bgurney. I've transferred this issue to the correct repo and let the team know.
Sorry it took so long for us to get to. We'll be looking into this soon as I just verified this is still the case.