https://news.ycombinator.com/item?id=37509703
>remapping keys
>Use xinput to change parameters of their input devices (libinput dropped most configuration options present with evdev)
Up to the compositor.
>Global shortcuts
Also up to the compositor. Was added to xdp in https://github.com/flatpak/xdg-desktop-portal/blob/main/data... so it's up to the compositor's xdp impl to provide it. It was created by a KDE dev so I assume KDE implements it at least.
>tunnelling over ssh