Fastify Releases

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Cadence:83%

Completeness:100%

Health:100%

Recent Updates

v6.0.0-alpha.2

Aug 19, 2026

v5.12.1

Aug 18, 2026

Updates for August 13, 2026(2 updates)

Aug 13, 2026

v6.0.0-alpha.0

Aug 11, 2026

Updates for August 8, 2026(2 updates)

Aug 8, 2026

v5.11.1

Aug 3, 2026

v5.11.0

Jul 30, 2026

v5.10.0

Jul 5, 2026

Uniform Changelog API

Access Fastify changelog updates through our uniform API. Same JSON structure across all sources — no adapter-specific parsing needed.

API Endpoint

GET https://watchchangelog.com/api/v1/entries?source=fastify.releases

Response Sample

{
  "source": "fastify.releases",
  "vendor": "Fastify",
  "id": "tag:github.com,2008:Repository/69495170/v6.0.0-alpha.2",
  "published_at": "2026-08-19T01:55:00.000Z",
  "title": "v6.0.0-alpha.2",
  "url": "https://github.com/fastify/fastify/releases/tag/v6.0.0-alpha.2",
  "summary": "⚠️ Security release Fix for GHSA-w2qp-rph6-63g4 Fix for GHSA-3m5p-2c4r-xxw2 What's Changed test: fix reply.mediaType by @climba03003 in #6949 ci: allow backport in pr title by @climba03003 in #6948 fix: run preClose hook exactly once per declaring instance by @contactjawad in #6940 docs: remove deprecated-API notices ahead of v6 cleanup by @Tony133 in #6951 fix: report canonical route url for hidden prefix slash route by @paulkagiri in #6719 New Contributors @contactjawad made their first contribution in #6940 @paulkagiri made their first contribution in #6719 Full Changelog : v6.0.0-alpha.1...v6.0.0-alpha.2",
  "tags": [
    "Fastify",
    "fastify.releases",
    "nodejs",
    "backend",
    "framework",
    "open-source"
  ]
}