Steps to reproduce:
Pin your inbox for Gmail by pinning: mail.google.com
You expect the mail counter to read 0 and change to 1 when you receive a new email
Orion, OS version; hardware type:
Newest Orion, Most to date Mac OS X, Macbook Pro 16"
1st pic is from Orion, 2nd pic is from Chrome - in both pics my inbox is empty or at 0 new emails to be read