When on Dark Mode, using iMessage, Mail, and even on Settings, when browsing up and down a Purple color 'smear' on the screen.

When on Dark Mode, using iMessage, Mail, and even on Settings, when browsing up and down a Purple color 'smear' on the screen.

This is very noticeable in a dark room, or any low lit rooms. Can anyone tell me if this is a 'Software issue' and can be solved by a major update?

I hope Apple Inc is aware of this and is on top of the issue.

Anyone is welcome for an advise or for a proper fix.

[Re-Titled by Moderator]