What's Changed

• docs(type-providers): clarify as const usage by @smith558 in https://github.com/fastify/fastify/pull/6772
• docs: fix broken and redirected links by @Eomm in https://github.com/fastify/fastify/pull/6817
• docs: remove marko from @fastify/view engines (support dropped) by @EduardF1 in https://github.com/fastify/fastify/pull/6821
• fix: clear socket._meta on reply.hijack() when onTimeout is registered by @nerkoux in https://github.com/fastify/fastify/pull/6810
• docs: fix duplicate routeOptions entries in Request.md example by @thePranav-kpk in https://github.com/fastify/fastify/pull/6824
• chore: Bump @types/node from 25.9.4 to 26.0.1 in the dev-dependencies-typescript group by @dependabot[bot] in https://github.com/fastify/fastify/pull/6829
• docs(ecosystem): add @stitchapi/fastify to Community plugins by @rejifald in https://github.com/fastify/fastify/pull/6820
• feat: introduce log controller layer by @Eomm in https://github.com/fastify/fastify/pull/6580
• fix: use ContentType to detect json and charset in reply.send by @climba03003 in https://github.com/fastify/fastify/pull/6830
• docs: fix incorrect defaults and code examples in Server.md by @Adit-Jain-srm in https://github.com/fastify/fastify/pull/6805
• docs: fix incorrect hook count in Hooks.md by @thePranav-kpk in https://github.com/fastify/fastify/pull/6825
• chore: Bump fast-json-stringify from 6.4.0 to 7.0.0 in the dependencies group across 1 directory by @dependabot[bot] in https://github.com/fastify/fastify/pull/6800
• perf: reduce per-request overhead in the request lifecycle by @mcollina in https://github.com/fastify/fastify/pull/6831
• fix: derive request.port from request.host by @mcollina in https://github.com/fastify/fastify/pull/6680
• docs: update Logging.md with per-route log level info by @asppsa in https://github.com/fastify/fastify/pull/6627
• docs(type-providers): update import for article consistency by @smith558 in https://github.com/fastify/fastify/pull/6771

New Contributors

• @EduardF1 made their first contribution in https://github.com/fastify/fastify/pull/6821
• @thePranav-kpk made their first contribution in https://github.com/fastify/fastify/pull/6824
• @rejifald made their first contribution in https://github.com/fastify/fastify/pull/6820
• @Adit-Jain-srm made their first contribution in https://github.com/fastify/fastify/pull/6805
• @asppsa made their first contribution in https://github.com/fastify/fastify/pull/6627

Full Changelog: https://github.com/fastify/fastify/compare/v5.9.0...v5.10.0