Some way of globally capturing hotkeys, for things like starting stream, media hotkeys, etc. Only passing key events to the foreground window is shortsighted, but we need a secure way of doing this.
On kde there's a feature where you can pass all keys to x11 apps and on hyprland you can specify which keys get globally passed to which apps and maybe all keys.
If all else fails you can create a script that uses obs sockets and runs as root to capture keys globally. They seem to be looking into a global keys portal though.