Automatic pnpm v10 support
By Steven Van ·
Projects with a pnpm lockfile version 9.0 get v10 if they are new, while existing ones stay on v9 unless pinned with Corepack.
New pnpm projects on Vercel now build with pnpm v10 automatically. This applies to projects with a pnpm-lock.yaml file that has lockfileVersion: '9.0', and covers both the Install and Build Commands.
Existing projects stay on pnpm v9 for backwards compatibility. pnpm v9 also writes lockfileVersion: '9.0', so the lockfile alone can't tell the two versions apart. The package managers documentation says newer projects prefer pnpm 10 and older ones prefer pnpm 9. The build logs show which version a given deployment used. To move an existing project up to v10, or to pin a new one back to v9, use Corepack.
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