Developer Preview: You can now build Google Chat apps as Google Workspace add-ons that use Cloud Pub/Sub to receive messages. This architecture is useful if your Chat app is behind a firewall. For details, see Build a Chat app that uses Pub/Sub.
Generally Available: The Gmail Postmaster Tools API v2 is now generally available. The API provides access to the full Postmaster Tools dataset—including compliance status data—and includes enhancements like flexible querying with queryDomainStats and support for batch operations. For details on how to use the v2 API, see the updated Postmaster Tools API documentation.
Fetched May 7, 2026