- Added several new community plugins (fastify‑casl, secure‑session, typeorm, explorer) and introduced response validation to the ecosystem.
- Implemented validation context in validation results, ESM support, and HTTP/2 graceful shutdown handling.
- Fixed numerous bugs (serialization skip for JSON strings, hook handling, enum replacement) and updated extensive documentation and TypeScript typings.
v2.12.0
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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.