useFragment

This release introduces significant enhancements to cache interaction, including support for array watching via fragments, new options for context in `useMutation`, and expanded support for GraphQL incremental delivery specifications like `@defer` (v17 alpha 9) and `@stream`.

This release adds new cache behavior for undefined array items, introduces an \`extensions\` option to cache write methods, and improves fragment hooks with memoized observable mapping.

This release adds null and array support to fragment watching APIs, introduces a `getCurrentResult` helper, deduplicates duplicate watches for better performance, and includes several bug fixes and incremental delivery updates.

This release adds improved handling of masked fragments, introduces dataState in watchFragment, normalizes empty argument storage, and updates cache read behavior, while deprecating old readFragment/readQuery signatures and removing gql from the react entrypoint.

Introduces `dataState` and customizable `DataValue` types for `useFragment` and `useSuspenseFragment`.

Apollo Client 3.13.0 adds the `useSuspenseFragment` hook, improves TypeScript typings, and fixes several bugs, while deprecating several callbacks and options.

This release introduces the useSuspenseFragment hook, improves type safety for updateQuery, adds multipart query deduplication, deprecates several callbacks and options, and includes several bug fixes and type corrections.

Patch release fixing a crash in watchFragment/useFragment with @includes and removing the unused response-iterator dependency.