Working on a JavaScript monorepo that uses Lerna? Dependabot will now update all your package.json files automatically.

Previously, if you were using Dependabot on a monorepo that wasn't using Yarn workspaces, each package had to be added to Dependabot individually. Then, when there were updates, Dependabot would create an individual PR for each package in the monorepo. That meant extra setup, and lots of near-identical PRs to review.

Now if you're using Lerna to manage a JavaScript monorepo you can just add the root directory to Dependabot. Then, when one of your dependencies needs updating, Dependabot will create a PR that updates it in all of your packages at once.

We think the above behaviour is a big improvement, but if you prefer to old behaviour of receiving separate PRs to each package in your monorepo you can, of course, still add each package to Dependabot individually.

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