For me it’s the removal and change of UI elements. There is still no built in way to move the task bar to the top or side of the screen and to get a useful right click menu back I have to go into the registry and change a value. There is also the whole thing where you are forced to use a Microsoft account with no option to use a local account instead.

There is a vocal contingent of people online who hate that chromium has the vast majority of market share of browser rendering engines.

I would say pop due to fedora getting caught up in the all drama surrounding red har right now