On Special:Notifications in Minerva
- Click "Filter notifications"
- Make a selection
- Observe the page still has a grey overlay and you can't interact with the page.
Merged task (T259091) details:
The issue was found in wmf.1, wmf.2 and betalabs. It's reproducible on real devices (I checked iOS and Android) and in browsers' emulators
- On mobile go to Special:Notifications page
- Click "Filter notifications"
- Select one of the options - "All", "Read", "Unread" or select another wiki with notifications
The dark overlay will be displayed making the page non-responsive to all interactions