- Added HTTP/2 server push via a new "push" directive, introduced new plugin types and several new directives/flags (index, port flags, challenge disabling).
- Revamped TLS handling to be per‑site with new ALPN control, X25519 curve, ChaCha20‑Poly1305 suites, and other security options.
- Disabled default HTTP timeouts, updated directive syntax, and added logging, proxy, and template enhancements.