Apple to Allow Background Tasks on iPhone?
macrumors.com
macrumors.com
This article has no information. We can speculate endlessly about what Apple is going to release, but it's not very useful. Let's wait and see.
On the other hand, getting the notification service right on the back end would likely have required a lot of effort and cost. It's not surprising so much that the service was never delivered, moreso that it was announced at all.
If background tasks are allowed to run in the future, I'd anticipate Bad Things for battery life, one of the strategic weak spots for the iPhone.
At one time UNIXes were all about time sharing and quotas. I think bringing some of that back (certainly with different controls and interfaces) would be beneficial.