It only makes sense in the context of host security and stability, as proven by plugin issues in those IDEs. However, to come back to your point, there are muc

It only makes sense in the context of host security and stability, as proven by plugin issues in those IDEs. However, to come back to your point, there are much better high performance OS IPC mechanisms for inter process communication than sending JSON down through a TCP wire. As others point out, Electron.