OK so I was trying out the new Mail feature where you can mark all as 'Read' or 'Unread', I first marked them all as 'Unread' then marked them back as 'Read', problem is that my Mail icon is now showing a ton of notifications yet actually in the Mail app there are no emails that need reading?! I've tried rebooting the phone but it's still the same:
Sent from my iPhone



Sent from my iPhone