Isn't Gamma one of the GoF guys who pushed bloated Design Patterns, UML & co? I would never expect him to write performant code.

Also, first time I'm hearing about Monaco. I thought VSCode was an Atom fork.

> Also, first time I'm hearing about Monaco. I thought VSCode was an Atom fork.

The text editor was based on Monaco, a Microsoft product. VS Code only borrowed Atom's multi-platform bundling technology (it was called Atom Shell back then, then renamed to Electron).