9.0.0

Breaking

• Rename getModernOperationVariables to getOperationVariables

Added

• Added queuePendingOperation to RelayModernMockEnvironment in testing tools. This allows the caller to manually register an operation that should be pending.
• Optionally output eager es modules (#2781).
• Expose a way to override isGeneratedFile function via language plugin (#2810).
• Allow language plugin to specify how generated files should be named (#2866).
• Allow language plugin to specify how to check for presence of graphql strings (#2811).
• Setup external config for Relay Compiler.

Fixed

• Ensure root record is always created upon store initialization, even before initial query has been processed.
• Fix disposable of optimistic updates: 87ef4ed
• Fix various issues in docs.
• Fix loading external config for Relay Compiler (#2999).

Misc

• DataChecker::check now returns the operation fetch time.
• Removed getRelayDefaultMissingFieldHandlers.js

Experimental

• Fix leaking environments when using Relay Hooks (#3014).
• Fix support of Fast Refresh when used with Relay Hooks.
• Fix recycling data for plural fragments; i.e. return an array with the sam object identity if the data hasn’t changed.
• Add support for batched @stream’ed responses.
• Internally renamed useLegacyPaginationFragment to usePaginationFragment.
• Potentially Breaking
  • preloadQuery will error if called during render.
  • Remove new connection model experimental code.
  • We know check for “active” instead of queries in “flight” when determining when to suspend. An operation may be indefinitely in flight (e.g. a live query, or a GraphQL Subscription), but it’s only “active” if it’s actively receiving payloads, e.g. during @streaming or @defer.