- Added TypeScript typings, new schemaOptions, headers shortcut validation, and setSchemaCompiler for enhanced schema handling
- Enabled multiple HTTP methods per handler, payload support for server errors, and improved error stack tracing
- Fixed double‑listen edge cases, async undefined send issues, and synchronized hook definition; updated docs (removed pino‑http, added genReqId option, warnings, new plugins)
v0.28.0
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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.