- Enable nested plugins to override decorators and attach validation results to requests; preserve stack traces on request end
- Update TypeScript typings for HTTP/2 allowHTTP1 flag, add Fastify Babel support, and fix broken documentation links
- Refresh documentation: contentTypeParser.js, Reply.md, and validation error handling details
v1.13.0
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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.