Sourced from apollo-server's changelog.

v2.25.4

• ⚠️ SECURITY: If your server does not explicitly enable graphql-upload support via the uploads option to new ApolloServer and your schema does not use the Upload scalar (other than in its own definition), Apollo Server will not process the multipart/form-data requests sent by graphql-upload clients. This fixes a Cross-Site Request Forgery (CSRF) vulnerability where origins could cause browsers to execute mutations using a user's cookies even when those origins are not allowed by your CORS policy. If you do use uploads in your server, the vulnerability still exists with this version; you should instead upgrade to Apollo Server v3.7 and enable the CSRF prevention feature. (The AS3.7 CSRF prevention feature also protects against other forms of CSRF such as timing attacks against read-only query operations.) See advisory GHSA-2p3c-p3qw-69r4 for more details.

v2.25.3

• ⚠️ SECURITY apollo-server-core: Update default version of the GraphQL Playground React app loaded from the CDN to be @apollographql/[email protected]. This patches an XSS vulnerability. Note that if you are pinning the Playground React app version in your app with new ApolloServer({playground: {version: 'some version'}}), you will need to update the specified version to 1.7.42 or later to avoid this vulnerability. If you disable GraphQL Playground with new ApolloServer({playground: false}), this vulnerability does not affect you. See advisory GHSA-qm7x-rc44-rrqw for more details.

v2.25.2

• apollo-server-express: Update dependencies on @types/express and @types/express-serve-static-core. [PR #5352](apollographql/apollo-server#5352)

v2.25.1

• apollo-server-core, apollo-server-express: Upgrade subscriptions-transport-ws dependency and remove unneeded runtime dependency on ws. This should enable you to install Apollo Server without depending on versions of ws vulnerable to CVE-2021-32640. Note that the superficial integration of the unmaintained subscriptions-transport-ws package will be removed in Apollo Server 3; you can also avoid this vulnerability by disabling the built-in subscription support with new ApolloServer({subscriptions: false}) and using a maintained package such as graphql-ws instead. (Instead of taking this upgrade, you can also upgrade ws to 5.2.3, which was just released.)

v2.25.0

• apollo-server-core: You may now specify your Studio graph as a graph ref (id@variant) via the APOLLO_GRAPH_REF environment variable or new ApolloServer({apollo: {graphRef}}) instead of specifying graph ID and graph variant separately. The apollo object passed to plugin serverWillStart and to gateway load now contains a graphRef field.
• apollo-server-core: Fix a race condition where schema reporting could lead to a delay at process shutdown. [PR #5222](apollographql/apollo-server#5222)
• apollo-server-core: Allow the Fetch API implementation to be overridden for the schema reporting and usage reporting plugins via a new fetcher option. [PR #5179](apollographql/apollo-server#5179)
• apollo-server-core: The server.executeOperation method (designed for testing) can now take its query as a DocumentNode (eg, a gql-tagged string) in addition to as a string. (This matches the behavior of the apollo-server-testing createTestClient function which is now deprecated.) We now recommend this method instead of apollo-server-testing in our docs. [Issue #4952](apollographql/apollo-server#4952)
• apollo-server-testing: Replace README with a deprecation notice explaining how to use server.executeOperation instead. [Issue #4952](apollographql/apollo-server#4952)

v2.24.1

• apollo-server-core: Fix a typo that could lead to TypeScript compilation when combined with a recent version of @types/node. (This bug had no runtime effect.) [PR #5149](apollographql/apollo-server#5149)

v2.24.0

• apollo-server-core: Apollo Studio usage reporting uses a more efficient format which sends fewer detailed traces to Apollo's server. This change should not have a major effect on the experience of using Apollo Studio. [PR #4142](apollographql/apollo-server#4142)

v2.23.0

• apollo-server-core: Add optional argument to ApolloServer.executeOperation allowing the caller to manually specify an argument to the config function analogous to that provided by integration packages. [PR #4166](apollographql/apollo-server#4166) [Issue #2886](apollographql/apollo-server#2886)
• [email protected]: New BaseRedisCache class which takes an ioredis-compatible Redis client as an argument. The existing classes RedisCache and RedisClusterCache (which pass their arguments to ioredis constructors) are now implemented in terms of this class. This allows you to use any of the ioredis constructor forms rather than just the ones recognized by our classes. This also fixes a long-standing bug where the Redis cache implementations returned a number from delete(); it now returns a number, matching what the KeyValueCache interface and the TypeScript types expect. [PR #5034](apollographql/apollo-server#5034) [PR #5088](apollographql/apollo-server#5088) [Issue #4870](apollographql/apollo-server#4870) [Issue #5006](apollographql/apollo-server#5006)
• apollo-server-core: Fix type for formatResponse function. It never is called with a null argument, and is allowed to return null. [Issue #5009](apollographql/apollo-server#5009) [PR #5089](apollographql/apollo-server#5089)
• apollo-server-lambda: Fix regression in v2.21.2 where thrown errors were replaced by throwing the JS Error class itself. [PR #5085](apollographql/apollo-server#5085)
• apollo-server-core: If a client sends a variable of the wrong type, this is now reported as an error with an extensions.code of BAD_USER_INPUT rather than INTERNAL_SERVER_ERROR. [PR #5091](apollographql/apollo-server#5091) [Issue #3498](apollographql/apollo-server#3498)
• apollo-server-lambda: Explicitly support API Gateway payloadFormatVersion 2.0. Previously some codepaths did appropriate checks to partially support 2.0 and other codepaths could lead to errors like event.path.endsWith is not a function (especially since v2.21.1). Note that this changes the TypeScript typing of the onHealthCheck callback passed to createHandler to indicate that it can receive either type of event. If you are using TypeScript and care about having a precise typing for the argument to your onHealthCheck callback, you should determine which payload format you want to support and write new ApolloServer<APIGatewayProxyEvent>(...) or new ApolloServer<APIGatewayProxyEventV2>(...) (importing these types from aws-lambda), or differentiate between the two formats by checking to see if 'path' in event. [Issue #5084](apollographql/apollo-server#5084) [Issue #5016](apollographql/apollo-server#5016)

v2.22.2

• apollo-server-core: Fix a regression in v2.22.0 where combining apollo-server-core v2.22 with an older version of an integration package could lead to startup errors like called start() with surprising state invoking serverWillStart. The fix involves changing the semantics of the protected willStart method (which is left in only for backwards compatibility). [Issue #5065](apollographql/apollo-server#5065) [Issue #5066](apollographql/apollo-server#5066) [PR #5073](apollographql/apollo-server#5073)

v2.22.1

• apollo-server-core: Fix a regression in v2.22.0 where startup errors could be thrown as part of the GraphQL response instead of redacted in one edge case. [PR #5064](apollographql/apollo-server#5064)

v2.22.0

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