- Added extensive crypto enhancements: parsePKCS12, generic MAC API, OpenSSL provider discovery for ciphers/hashes, SIV/GCM‑SIV modes, Hybrid KEMs, and FIPS‑related hardening.
- Introduced new core APIs: net now supports sending BoundSocket to threads/child processes, perf‑hooks gain SlidingWindowHistogram, CBOR export/import, meanCI API, and util adds markPromiseAsHandled, throttle, and debounce.
- Updated SQLite sync API with StatementSync.close and dispose, and deprecated Server.prototype.listen2.