SteamOS is more locked down, the root is read only and there’s no layering system so every update completely undoes any changes you might have forced on the root partitions.

Xone is indeed pre-installed, Xbox controllers are just plug and play, or pair and play for Bluetooth. You need to open a help thread if you’re having issues, but try updating the firmware of your controller in the meantime.

At this point when people tell me the website runs like shit I just laugh and tell them they’ve been filtered. That does 120 FPS on a phone, if you’re lagging on that site just go ahead and give up on gaming.