Re: https://firmwaresecurity.com/2019/11/23/edk2-vscode-visual-studio-code-plugin-for-edkii-files/ and https://firmwaresecurity.com/2019/10/01/musupport-a-vs-code-extension-to-support-project-mu/:
there is a third UEFI plugin for Visual Studio Code, from Abhishek Sharma of Microsoft:
This is a VS code extension which helps points to definition of keywords in the UEFI code like PCDs, GUIDs, etc.