Vercel will now automatically detect whether your Project's dependencies were added with version 7 of the npm CLI, based on the presence of the latest lockfile format.

If detected, Vercel will automatically switch to using npm v7 to install your Project's dependencies within the Build Step.

This means that, among many bug fixes in the latest version of npm, your Deployments can now make use of the following new features:

Check out the full release notes and the documentation as well.