• Customizable subscription message identifiers: The WebSocketTransport initializer can be configured with a subclass of OperationMessageIdCreator to provide a unique identifier per request. The default implementation is ApolloSequencedOperationMessageIdCreator and retains the current behavior of sequential message numbering. #1919 - Thank you to Clark McNally for the contribution!
• AWS AppSync Compatibility: Apollo-ios will now correctly handle the start_ack message that AWS AppSync servers respond with when a subscription is requested. #1919 - Thank you to Clark McNally for the contribution!
• Updated to version 2.33.6 of the Apollo CLI: Applies some new vulnerability patches to the CLI, but should not change any output. #1929
• Improved documentation: Clarification of cache normalization concepts. #1710 - Thank you to Daniel Morgan for the contribution!