An OLED display trumped 4K resolution or a 240Hz refresh rate for me ...
However, one of the most interesting changes for me is that Google is now opening up Pixel's desktop mode to all users.
Samsung's Galaxy S26 series runs One UI 8.5 out of the box, but you can make it way better with these tweaks.
With the Switch 2's latest update, Nintendo added a new setting that forces Switch 1 games to run in TV Mode when handheld.