You can have notification on screen by the use of an app, it's a temp fix until dev do something.
(See attachement for screenshot.)
You have to Download KLWP from playstore.
And You can Download this https://drive.google.com/file/d/11X9...w?usp=drivesdk
Save it in internal storage under kustom/wallpapers
And import in the app(You need the pro version)
Like the second screenshot and enjoy.
Another one with icon little more big and cliquable so You can open directly from icon
With icon on top right clickable
Crédit for finding this Masdacheri