September 30, 2026

Chat API Feature Generally Available: Google Workspace Add-ons that extend Google Chat now support App Home , letting you display a custom homepage card in the Home tab of a 1:1 direct message with your Chat app. You can configure an App Home trigger in the Google Cloud console and return a RenderActions object (using pushCard or updateCard ) from an HTTP endpoint or Apps Script onAppHome callback function. For more information, see Configure a homepage for Google Chat and Receive and respond to user interactions .