Pushpak_R , via OnePlus 8 , Oct 28, 2020 : Even after updating gmail logo remains the same not updated to new logo. Same issue with the Disney+hotstar app.
Arjun_Choudhry , Oct 28, 2020 : Edit the icon to any other icon, then reset the icon. You should get the new Icon. Did the same here.
Arjun_Choudhry , Oct 28, 2020 : That is because Oxygen Icon pack tries to overcompensate for different shape icons. Do submit bug reports for the same. Maybe OnePlus listens this time around.
basspass , via OnePlus 8 Pro , Oct 29, 2020 : You're the boss thank you very much it worked perfectly for me too.
keithnyc , Oct 29, 2020 : Nice assist there @Arjun Choudhry . Thank you Answered/closed (I love this community)