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Xcode Download Navigator

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Xcode 3.0 vs Xcode 3.1

Compare critical compatibility fields before upgrading.

FieldXcode 3.0Xcode 3.1Diff
Release typestablestablesame
Edition--same
Release date2007-10-252008-07-10different
Minimum macOS10.510.5same
Swiftunknownunknownsame
iOS SDK2.0unknowndifferent
Build9A5819M2199different
Recommendation: keep production teams on stable releases unless you need to validate new SDK capabilities.