does it help much to build for older os?
Does it help to build for an older os? I understand it is possible to enable/disable particular areas of functionality in your app dynamically depending on the native os - so for example you'd remove an email button for prior 3.x ... Is this kind of thing worth doing now? Are there many people who don't have a 3.x device?
And if I did want to build under an earlier os, are the downloads for older os builds still available? I only can build under 3.x at the moment, thats my only option in my dropdown in xcode.. presumably apple want to discourage building for older os to encourage device updating - is the 2.x 'stuff' available to incorporate into my dev environment so I can build against that os?
thanks!
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