Feature Comparison

Feature	pnpm	Yarn	npm	Notes
Workspace support	✅	✅	✅
Isolated node_modules	✅	✅	✅	Default in pnpm.
Hoisted node_modules	✅	✅	✅	Default in npm.
Plug'n'Play	✅	✅	❌	Default in Yarn.
Autoinstalling peers	✅	❌	✅
Zero-Installs	❌	✅	❌
Patching dependencies	✅	✅	❌
Managing runtimes	✅	❌	❌
Managing versions of itself	✅	✅	❌
Has a lockfile	✅	✅	✅	pnpm-lock.yaml, yarn.lock, package-lock.json.
Overrides support	✅	✅	✅	Known as "resolutions" in Yarn.
Content-addressable storage	✅	✅	❌	Yarn uses a CAS when nodeLinker is set to pnpm.
Dynamic package execution	✅	✅	✅	pnpm dlx, yarn dlx, npx.
Side-effects cache	✅	❌	❌
Catalogs	✅	❌	❌
Config dependencies	✅	❌	❌
JSR registry support	✅	✅	❌
Auto-install before script run	✅	❌	❌	In Yarn, Plug'n'Play ensures dependencies are always up to date.
Hooks	✅	✅	❌
Build script security	✅	❌	❌
SBOM generation	✅	❌	✅	pnpm sbom, npm sbom.
Listing licenses	✅	✅	❌	pnpm supports it via pnpm licenses list. Yarn has a plugin for it.

Note: To keep the comparison concise, we include only features likely to be used frequently.