That’s a fact. In one sample case below, one user noticed that his Note5’s notifications or icon badges appear to not work properly by displaying incorrect badge figures after Android Oreo update.

S8 App Icon Badge Missing After Software Update Problem: I recently updated my Galaxy S8 and after the update I no longer see the icon for my notifications.

Back in March, Google introduced a new rounded square icon requirement for the Play Store on Android and Chrome OS. Google Play rounded icons live today ...

Unfortunately, Android only displays a badge over app icons when an alert is sitting in the notification shade, so the API isn't supported on mobile.