InPrivate mode indicator Bug now Fixed. Version 81.0.393.0

This was before. an ugly black square with sharp edges

Now it looks clean and polished like this

Also with this update, a new flag was added:

Warning for Passive Mixed Content

Causes a 'Not Secure' chip to be shown in the omnibox if a site contains passive (aka optionally blockable) mixed content. – Mac, Windows

#passive-mixed-content-warning

Version 81.0.393.0 (Official build) canary (64-bit)