The Steam controller 2 will be releasing soon if you want trackpads and extra buttons. I also think Valve is licencing to third parties. IIRC 8bitdo will make a Steam Controller
What makes it appealing imo is the immutable aspect. It makes it much harder to break which is what the average user needs. And Distrobox is now included by default which makes it possible to install whatever packages you need inside a container.
The Steam controller 2 will be releasing soon if you want trackpads and extra buttons. I also think Valve is licencing to third parties. IIRC 8bitdo will make a Steam Controller