Seems reasonable to me. Did you see this blog post from the guy who writes the Instapaper app?
http://www.marco.org/2011/08/13/instapaper-ios-device-and-version-stats-update 96% of the users of Instapaper are on iOS 4.2 or better. Simon Mac Donald http://hi.im/simonmacdonald On Fri, Nov 25, 2011 at 8:11 PM, Shazron <shaz...@gmail.com> wrote: > I believe we've had this discussion before but no decision was made (I > think?) - time to re-visit. > > I propose we only support iOS 4.2 going forward (in 1.4?) since it > offers the most features built-in to the UIWebView: > http://www.mobilexweb.com/blog/safari-ios-accelerometer-websockets-html5 > On the native Objective-C side, supporting iOS 4 will also allow us to > use blocks http://pragmaticstudio.com/blog/2010/7/28/ios4-blocks-1 > which is a fundamental technology used in all of their framework APIs > since iOS 4 > > Risk factors: > * Plugin problems - plugins using blocks in native code cannot be used > on iOS 3. This can be mitigated with support for PhoneGap versions (as > well as built in macros for iOS versions) in pre-processor macros, so > this can be conditionally compiled. This can be solved with versioning > in our future proposed plugin packaging > * Possibly maintaining a iOS 3.x branch at the last iOS 3.x supported > PhoneGap version for bug fixes -- for those that want to still use > that version -- don't really want to do this though > > We stopped iOS 2.x support when iOS 4.x came out (thus, we usually > only supported one version back from the current OS version). > > [iPhone] > The oldest iPhone to have iOS 4.2 support is the iPhone 3G (released > July 2008 - 3+ yrs old, discontinued). Current iPhone is the 4S, 3 > models ahead. > [iPod Touch] > The oldest iPod Touch to have iOS 4.2 support is the iPod Touch 2nd > Generation (released Sep 2008 - 3+ yrs old, discontinued). Current > iPod Touch is the 4th Gen, 2 models ahead. > [iPad] > The oldest iPad to have iOS 4.2 support is the iPad 1 (released April > 2010, 1+ yrs old, reportedly discontinued). Current iPad is the iPad > 2, 1 model ahead. >
