Badge Notifications for Outlook PWA

This extension does not work at all. I installed it after I had "installed" Outlook PWA and never had any notification show up on the app badge in the taskbar over the course of a week. I then uninstalled Outlook PWA, opened Outlook (outlook.office.com), made sure the extension could read the site, then installed Outlook PWA again. Still nothing after 2 full days. My laptop was rebooted at some point after installing the extension but had no effect.