1931
As if it wasn't bad enough that they want me to use a random internet service to add a keyboard to a usb wifi receiver, they have the balls to put this for Firefox users. I clicked out of pure curiosity, as I'm not even remotely interested in involving a corporate internet service in getting my keyboard connected to my computer. This is the message you get now on Logi Options software if you have a Unifying Receiver: 
For the curious: https://logiwebconnect.com
EDIT: some people on the thread have brought up that the error message being displayed for Firefox users is due to the WebUSB API not being implemented by Firefox due to security concerns. This still does not justify having to use a web app to plug peripherals to a PC.
It's totally doable now. Even compared to when I switched (when Windows 10 came out), it's smoother and easier to transition.
The only real issues are adobe products being a pain in the ass. I don't use them in the first place, but they're a dealbreaker that requires dual booting for some folks.
Anything else mainstream tends to be WINE friendly nowadays. I keep a Windows 7 media computer for my music needs because musicbee is a pain in the ass on Linux, and that's it. Everything else is linux now that's mine.
For music, consider running a Plex server and using Plexamp. It's a fantastic app, and they recently made the basic features free - previously you had to have a Plex Pass. There's Plexamp apps for Windows, MacOS, Linux, Android, and iOS.