Fix loading external config for Relay Compiler (#2999).
DataChecker::check now returns the operation fetch time.
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.
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.