Apple has seeded developers of its iPhone Developer program with the fourth beta version of iPhone firmware 2.1. The latest update again consists of more bug fixes.
However, Apple has strangely pulled out the Push Notification Service APIs in this release for "further development".
The Push Notification APIs is Apple’s solution for one of the features that
we have been asking for, ability for native iPhone apps to run in the
background especially for applications like Instant Messenger, Facebook etc.
Apple had announced during the Worldwide Developer’s Conference 08 Keynote address that the Push Notification would be released sometime in September. The early implementation of the Apple Push Notification Service API were included since the second beta version of iPhone firmware 2.1 but only to approximately 4000 iPhone developers who were accepted in the program prior to July 11th.
Apple had last released the third beta version on Aug 10th which included bug fixes to iPhone firmware 2.x, and second beta version on July 30th which included bug fixes and early implementation of the Push Notification Service APIs.
Apple had released the first beta version of iPhone firmware 2.1 on 25th July which hinted of the
much-awaited Copy & Paste and Turn-by-Turn GPS feature.
iPhone firmware 2.1 is expected to be released to iPhone users in September.
[via Mac Rumors]
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