Last minute notice from Apple to iPhone developers -All apps must be compatible with iPhone OS 3.0

All applications for iPhone must compatible with OS 3.0. As we all know Apple is preparing for new OS 3.0 for iPhone but today apple sent out am email to all developer community saying that they are now reviewing (and accepting) applications made with and for the iPhone OS 3.0. Also Apple is asking developers of all existing apps to verify that there app should work with OS 3.0 and there should not be compatibility issue. This is big news for all iPhone application developers and very short notice for them to get ready for OS 3.0. This email upsets may developers -see this, this and this
Here is a text of an email:
All apps must be compatible with iPhone OS 3.0
Millions of iPhone and iPod touch customers will move to iPhone OS 3.0 this summer. Beginning today, all submissions to the App Store will be reviewed on the latest beta of iPhone OS 3.0. If your app submission is not compatible with iPhone OS 3.0, it will not be approved.
Existing apps in the App Store should already run on iPhone OS 3.0 without modification, but you should test your existing apps with iPhone OS 3.0 to ensure there are no compatibility issues. After iPhone OS 3.0 becomes available to customers, any app that is incompatible with iPhone OS 3.0 may be removed from the App Store.
Some important information on how to upgrade your iPhone OS to new 3.0:
- Log in to developer.apple.com using your developer acount
- Download new iPhone SDK for 3.0 and install
- Download iTunes 8.2 and install (Must - in order to upgrade your iPhone with OS 3.0)
- Download iPhone OS 3.0 beta 5 or 4
- Connect your Phone with iTunes and ‘Restore’ your Phone using “iPhone OS 3.0 beta 5″
Fine print warning: There is no way back, if you want to downgrade your OS in future. Its permanent change.

iPhone 3.0 upgrade email
Additional reading:
Breaking News: No new app submissions unless they run on OS 3.0


