Merge branch 'main' into release-3.4.

CHANGELOG.md

@@ -61,6 +61,15 @@
 ### Documentation
 TBD
 
+## Apollo Client 3.3.16
+
+### Bug fixes
+- Prevent `undefined` mutation result in useMutation <br/>
+  [@jcreighton](https://github.com/jcreighton) in [#8018](https://github.com/apollographql/apollo-client/pull/8018)
+
+- Fix `useReactiveVar` not rerendering for successive synchronous calls. <br/>
+  [@brainkim](https://github.com/brainkim) in [#8022](https://github.com/apollographql/apollo-client/pull/8022)
+
 ## Apollo Client 3.3.15
 
 - Increment `queryInfo.lastRequestId` only when making a network request through the `ApolloLink` chain, rather than every time `fetchQueryByPolicy` is called. <br/>

README.md

@@ -21,3 +21,15 @@ The Apollo Client API reference can be found at: <br/>
 - [@benjamn](https://github.com/benjamn) (Apollo)
 - [@hwillson](https://github.com/hwillson) (Apollo)
 - [@jcreighton](https://github.com/jcreighton) (Apollo)
+- [@brainkim](https://github.com/brainkim) (Apollo)
+
+## Who is Apollo?
+
+[Apollo Graph, Inc.](https://apollographql.com/) creates industry-leading tools for building applications with GraphQL:
+
+- [Apollo Client](https://www.apollographql.com/apollo-client/) – The most popular GraphQL client for the web. Apollo also builds and maintains [Apollo iOS](https://github.com/apollographql/apollo-ios) and [Apollo Android](https://github.com/apollographql/apollo-android).
+- [Apollo Server](https://www.apollographql.com/docs/apollo-server/) – Build a production-ready JavaScript GraphQL server with a schema-first approach.
+- [Apollo Studio](https://www.apollographql.com/studio/develop/) – A turnkey portal for GraphQL developers, featuring a powerful GraphQL IDE (the [Apollo Explorer](https://www.apollographql.com/docs/studio/explorer/)), metrics reporting, schema search, and documentation.
+- [Apollo Federation](https://www.apollographql.com/apollo-federation) – Create and manage a single data graph composed of subgraphs that can be developed independently.
+
+We are fully committed to advancing the frontier of graph development with open-source libraries, hosted software tooling, developer extensions, and community contributions.

docs/shared/link-chain.mdx

@@ -0,0 +1,28 @@
+```js:title=index.js
+import { ApolloClient, InMemoryCache, HttpLink, from } from "@apollo/client";
+import { onError } from "@apollo/client/link/error";
+
+const httpLink = new HttpLink({
+  uri: "http://localhost:4000/graphql"
+});
+
+const errorLink = onError(({ graphQLErrors, networkError }) => {
+  if (graphQLErrors)
+    graphQLErrors.forEach(({ message, locations, path }) =>
+      console.log(
+        `[GraphQL error]: Message: ${message}, Location: ${locations}, Path: ${path}`,
+      ),
+    );
+
+  if (networkError) console.log(`[Network error]: ${networkError}`);
+});
+
+// If you provide a link chain to ApolloClient, you
+// don't provide the `uri` option.
+const client = new ApolloClient({
+  // The `from` function combines an array of individual links
+  // into a link chain
+  link: from([errorLink, httpLink]),
+  cache: new InMemoryCache()
+});
+```