Relay Releases

Latest: v21.0.1 · 27 May 2026 - 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 Batrić Perović ( 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 )