I'm currently looking for something 15 inch that has reasonably high specifications and doesn't use anything that will cause any firmware issues.

I excluded a new macbook[0] for it's touchbar (can't believe they don't have the option for a 15" version without one).

I've excluded the librem 15[1] as the usb type c doesn't support display (would be nice to have two display outputs).

Does anyone have any recommendations?

[0] https://www.apple.com/uk/shop/buy-mac/macbook-pro/15-inch

[1] https://puri.sm/products/librem-15/