Or rather, a day where its easier, more flexible, and more performant for IDEs to always(only) use an embedded neovim. Getting plugin support "for free".

The keybindings would then be the only thing that the IDE changes.

I dream of the day when the IDE is in vim. There has been some great work around c# for this lately, where the compiler is running as a service and vim makes an async call for file completion, etc.

Why stop at the IDE? Why not tick a checkbox in system preferences and it lets you use vim to edit anywhere you can type text.

Now I would pay for that feature decent sum of money :D.