Fastify 5.11.1 release notes, 3 Aug 2026

fix: add http method override warning by @jean-michelet in https://github.com/fastify/fastify/pull/6879
fix(types): allow explicit http2: false in server options by @Tony133 in https://github.com/fastify/fastify/pull/6888
docs: clarify what attachValidation exposes on request.validationError by @basteez in https://github.com/fastify/fastify/pull/6891
fix: do not force close in-flight connections when forceCloseConnections is 'idle' by @aquie00t in https://github.com/fastify/fastify/pull/6889

Full Changelog: https://github.com/fastify/fastify/compare/v5.11.0...v5.11.1