- Introduce process.getBuiltinModule(id) to synchronously load Node.js built‑in modules, bypassing require cache modifications.
- Deprecate OpenSSL engine‑based APIs (clientCertEngine, privateKeyEngine, crypto.setEngine) in favor of the new provider model.
- Apply numerous bug fixes and minor enhancements such as correcting async‑hook disabling in inspector, adding Buffer.prototype.bytes(), new net.server.listen tracing, and extensive documentation and dependency updates.