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Starting today, Node.js version 22 is available as the runtime for your builds and Vercel Functions leveraging Node. To use version 22, go to Project Settings > General > Node.js Version and select 22.x. This is also the default version for new projects.
Node.js 22 highlights:
Improved Stream performance: higher default water mark provides performance boosts across the board at the cost of slightly higher memory usage
Improved AbortSignal performance: optimized AbortSignal creation improves performance in fetch and the test runner
Improved Buffer performance: significant improvements to the
Buffer.copyandBuffer.writemethods lead to overall performance boostImproved CJS interop with ESM: added support
require()ing synchronous ESM graphs
The current version used by Vercel is 22.11.0 and will automatically update minor and patch releases. Therefore, only the major version (22.x) is guaranteed.
Read our Node.js runtime documentation to learn more.