And they fixed the issue by making the highlight color the same as the normal color (so each pixel is still associated with a timezone/country) internally.

This later led to Poland going Atlantis, when MS removed its timezone instead of moving it to another timezone.

https://devblogs.microsoft.com/oldnewthing/20061027-00/?p=29...

https://content.spiceworksstatic.com/service.community/p/pos...