2021-09-28, Version 14.18.0 'Fermium' (LTS), @targos

Summary

• Added new Buffer Blob support and base64url encoding; enhanced child_process APIs (URL cwd, spawn/exec timeout, cancellable exec, overlapped stdio flag) and added process worker event and source‑map enable APIs.
• Introduced networking improvements: net.BlockList with SocketAddress support, dns "tries" option and configurable result order, and added os.devNull constant.
• Extended file system and runtime features: async iterator support in fsPromises.writeFile, fsPromises.watch, BigInt file positions, CLI memory debug flag, V8 coverage APIs, and perf‑hooks histogram creation.