- Fixed wrong reply return type and cleared internal readyPromise for improved garbage collection.
- Added feature to access Fastify decorators and updated Ecosystem docs with fastify‑lm entry.
- Refined CI workflow (read‑only permissions, continue‑on‑error), bumped dependencies, and improved test handling for IPv6 and upgrades.
v5.3.0
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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.