Comment by duped

One of the nice things today is that DAP and LSP (while very much designed around VS Code's internal extension APIs), the things that use them are basically duct taped to tiny VS Code extensions over JSON RPC. They can and will outlive VS Code as the IDE of choice.

While on the surface that means that language support doesn't have to be designed for a particular editor/IDE, what's less obvious is that LSP (in particular) can be used as a generic IDE plugin API. I've heard of some non-language support extensions (ab)use LSP to get cross-editor support with the same codebase.