Not to mention open source software is often best-in-class in a lot of fronts but for anything involving video, audio, or graphic design, it's generally abysmal.
(Next person who tells me to use Scribus for anything gets to format a newsletter and a poster of my choosing. lol)
My big Win10 complaints are that they still allow applications to steal focus, and even with their nifty new notification center, they're not forcing apps to use it so most of them are still dumping the notifications on my screen any which way.
Using Windows is like begging to be interrupted at anytime whatsoever. It's extremely disruptive.
Neat new thing I found out yesterday ... If you have to kill Explorer.exe for any reason, it now takes most (if not all) of your open applications with it. Twenty minutes of work I'd like to get back because one of my apps I was working with by definition doesn't auto save.