It also has an endless list of visual glitches, hardware issues even with "headphones recommended by Microsoft", input issues, pretty bad UX, poor integration with Microsoft's own services (SharePoint, outlook calendar..), a horrible "test call", etc.
Doesn't seem to matter anyway, once a Windows shop is captive they know most clients are there for life..
The most annoying to me is that the elapsed time element doesn't have a fixed size. It constantly changes size and pushes all other elements from left to right. It is very distracting. I can thing of so many easy fixes for this yet it is there since at least 3 years. This comes across as very amateurish for a product of a multi billion company.