Apple today sent out a notice to developers urging those that continue to send push notifications with the legacy binary protocol to update to the HTTP/2-based APNs (Apple Push Notification ...

The Push Notification service is Apple's substitute for background processes and was originally planned for a September 2008 release.

The Push Notifications Console now includes metrics for notifications sent in production through the Apple Push Notification service (APNs).

The email shortly summarizes the Apple Push Notifications Service, which developers can use to send notifications to website users via Safari in OS X Mavericks.