Not having a keyboard-like pop-up app that can work inside all other apps that's half speech-to-text processor, half emoji picker, like you have on mobile except having it on desktop.

And a way to run all Windows software flawlessly.

And making KDE the default DE because it's the best one.

And Wayland feature parity.

And another packaging format that's like Flatpak and AppImage, except the best of both combined into one, that everyone uses from now on instead of any of the others.

And something about how good Macbook trackpads are.