Yarn 2 requires Node ≥ 12.13.0; Node.js 14 satisfies this. Both are outdated (Node.js 14 EOL: April 2023). Yarn 2's PnP mode causes package compatibility issues for many popular libraries. Setting `nodeLinker: node-modules` mitigates this but leaves you on an EOL stack. Use Node.js 20 + Yarn 4.