It does have extensions[1]. It just might not be able to run _all_ extensions. [1] From the link: "Inside of a codespace, you’ll have access to the Visual Stud

It does have extensions[1]. It just might not be able to run _all_ extensions. [1] From the link: "Inside of a codespace, you’ll have access to the Visual Studio Code Marketplace, and you can preload any extensions you want loaded at launch using a devcontainer configuration file. You can also personalize your codespace by pulling in dotfiles."