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ReactJS changelog digest

Jan 26 - Feb 1, 2026. Useful releases, risky migrations, and noisy updates from the ReactJS channel.

No matching updates in this bucket.

ReactJS updates in 2026-w05

Added new features including mock API for node:test, FileHandle.readv, JSR support for @jsr scope, external socket‑based cron, V8 14.5 upgrade, and inspect publish UID flag for VSCode debugging.

Fixed memory leak in span map and ensured LRU cache items have a minimum size to prevent unbounded growth.

Fix numerous bugs across the runtime, including Intel‑Mac cross‑compilation for Deno, a fetch file‑descriptor leak, bundle name clashes and esbuild cleanup issues, and several Node compatibility fixes (process.argv, stdin TTY, crypto cip...

Security update addressing CVE-2025-59471, CVE-2025-59472, and CVE-2026-23864.

Fix security vulnerabilities identified in CVE-2025-59471 and CVE-2025-59472

Imported from changelog source; review and generate a concise summary before publishing.