- - Fixed high‑severity OpenSSL vulnerabilities (CVE‑2021‑3450, CVE‑2021‑3449) and npm y18n prototype‑pollution issue (CVE‑2020‑7774) across all 15.x, 14.x, 12.x, and 10.x releases.
- - Added async iterator support to fsPromises.writeFile and introduced SocketAddress class; added abort‑signal support to net, tls, and readline interfaces; made net.BlockList cloneable.
- - Included assorted minor enhancements, documentation updates, and test/tooling improvements.