Relay Releases Changelog – Watch Changelog

Uniform Changelog API

Access Meta 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=relay.releases

Response Sample

{
  "source": "relay.releases",
  "vendor": "Meta",
  "id": "tag:github.com,2008:Repository/40508605/v21.0.1",
  "published_at": "2026-05-27T17:05:47.000Z",
  "title": "v21.0.1",
  "url": "https://github.com/facebook/relay/releases/tag/v21.0.1",
  "summary": "Version 21.0.0 had an issue where it failed to include our new TypeScript types in the published NPM bundle. Thanks to @PHILLIPS71 for the pull request identifying and resolving the issue. This point release resolves that issue and includes a number of other minor improvements which have landed since to v21.0.0 release. Bug fixes Fix(build): ship TypeScript definition files in gulp dist build ( #5287 ) by Jordan Phillips ( commit ) Added Feat(compiler): add --noWatchman CLI flag ( #5292 ) by Jordan Eldredge ( commit ) Improvements Feat: Warn on deprecated enum values used as arguments ( #5277 ) by jungwoo3490 ( commit ) Add shard_extra_artifacts feature flag to shard PHP text artifacts by Tianyu Yao ( commit ) Allow updatable fragments to be spread at the top level of another fragment by Rajiv Anisetti ( commit ) Documentation Improvements Update v21 release notes, compiler CLI docs, and codemods guide by Jordan Eldredge ( commit ) Document fetchPolicy option for fetchQuery ( #5244 ) by BatriÄ‡ PeroviÄ‡ ( commit ) Update Film import path to include file extension ( #5243 ) by Meshack Ogeto ( commit ) Fix the quickstart docs by Evan Yeung ( commit ) Relay 21 release notes blog post by Jordan Eldredge ( commit ) Miscellaneous Implement feature flag to gate rollout of flow modern syntax by Sam Zhou ( commit ) Use simpler intersect algorithm by Matt Mahoney ( commit ) Update compiler clock to query result on subscribe by Shashank Kambhampati ( commit )",
  "tags": [
    "Meta",
    "relay.releases",
    "graphql",
    "client",
    "react"
  ]
}