- Added Fastify split validator to the Ecosystem and introduced file routes support
- Updated and fixed several documentation links and added missing types for async onClose hook
- Fixed regressions for function decorators on Request and Reply and added HTTP/2 host constraint tests
v3.25.1
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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.