Apollo Changelog: March 27, 2023

Apollo has released updates including a new livestream about implementing a TypeScript subgraph using Apollo Server, an updated Odyssey Lift-off course featuring Apollo Server 4, and a GraphQL Summit supercut discussing authorization in GraphQL. The company also recently released Router version 1.13.0 with improved logging and DataDog compatibility, as well as an apollo-ios beta release for testing multipart subscriptions. Additionally, the community has shared blog posts about using Mercurius in a supergraph and why `@defer` is exciting, as well as reporting bugs in the new `@interfaceObject` implementation to Apollo's Discord server.