●Change8

Migrating to Node.js v22.23.0

Version v22.23.0 introduces 2 breaking changes. This guide details how to update your code.

Released: 6/18/2026

2
Breaking Changes
2
Migration Steps
13
Affected Symbols

⚠️ Check Your Code

If you use any of these symbols, you need to read this guide:

tlscryptoWebCryptonghttp2dnsnethttp2http.Agentprocess.chdirFileHandlellhttpundiciopenssl

Breaking Changes

●Issue #1

http2: Support for priority signaling has been removed, which may break compatibility if this feature was explicitly relied upon. Users should migrate away from using priority signaling.

●Issue #2

SEMVER-MAJOR: Removed support for priority signaling in http2.

Migration Steps

  1. 1
    If you were relying on http2 priority signaling, you must update your code as this feature has been removed.
  2. 2
    Ensure that hostnames passed to network operations do not contain embedded NUL bytes.

Release Summary

This is a security release addressing multiple high and medium severity CVEs across TLS, crypto, HTTP/2, and DNS modules. It also includes dependency updates and removes deprecated http2 priority signaling.

Need More Details?

View the full release notes and all changes for Node.js v22.23.0.

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