- - Adds several new lifecycle hooks (preParsing, preValidation, preSerialization, onError) and moves prefixed properties to Symbols, breaking existing plugins and patterns.
- - Strengthens error handling and security with a default error logger, improved error management, prototype‑poisoning protection, stricter Node.js version checks, and an AJV default that includes all errors (breaking).
- - Updates core dependencies (avvio 6, Pino v5), enhances TypeScript typings, fixes numerous bugs, and refreshes docs and community plugin listings.
v2.0.0
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Fix for two Fastify security advisories (GHSA‑w2qp‑rph6‑63g4 and GHSA‑3m5p‑2c4r‑xxw2).
Added per‑route logging for Google Cloud Functions and introduced `Reply.prototype.mediaType` for easier content‑type handling.
Fixed trailer state clearing when removing all trailers and corrected requestCompleted handling to use null instead of undefined.