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A comment on Poll: Which iOS version do you require?.

Re:Poll: Which iOS version do you require? by clemesha on Tuesday July 19, 2011 @03:08PM (#2782564)
Can anyone give the main differences between 3.x and 4.x?

E.g. what features and/or improvements make it so apps like Foursquare require 4.0?

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Re:Poll: Which iOS version do you require? by natesm on Tuesday July 19, 2011 @04:41PM (#2782979)
Blocks.

Although I'm not sure what would happen if you compiled the appropriate parts of http://compiler-rt.llvm.org/ into a 3.x application.

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Re:Poll: Which iOS version do you require? by frankus on Tuesday July 19, 2011 @08:38PM (#2783761)
You can use a project called PLBlocks. I've successfully submitted to the App Store with it.
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Re:Poll: Which iOS version do you require? by DrJokepu on Tuesday July 19, 2011 @04:03PM (#2782811)
Here's Apple's list: https://developer.apple.com/library/ios/#releasenotes/Genera...
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Re:Poll: Which iOS version do you require? by marcf on Tuesday July 19, 2011 @03:53PM (#2782755)
I'm pretty sure the big one from a developer's perspective was background tasks.
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