Google Calendar will be losing a few features, Google Sync will be axed (on the consumer side), as will Google Calendar Sync, SyncML, the Issue Tracker Data API, and the Punchd app.

Google just made the lives of third-party calendar developers much easier. Rather than having to constantly poll Google Calendar servers for updates, the Calendar API now supports push notifications.

Google has made a small change to the Google Calendar API that nonetheless could make a huge difference for developers and users. The Calendar API now supports push notifications - alerts sent ...