updating IOS app notification counter (applicationIconBadgeNumber)
The app icon on IOS has a notification counter displayed in the top right corner of the app icon. Unfortunately, this number is not being kept up-to-date. When I read an email on another device, the IOS app notification counter does not change (decrease). Gmail app can update this number in ~3 seconds after I open an email on another device.
9
votes

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Artem commented
Besides, when I archive message via notification, the badge is not updated as well. And I have to open ProtonMail app just to see that there is no unread messages at all.
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AC commented
Indeed! This is really annoying!