Notice: this site does not host installersEvery download button points to Apple-owned pages or files on Apple domains. This is an independent navigation project, not an official Apple property.
Xcode Download Navigator

Find the right Xcode version quickly.

← Back to downloads

Xcode 4.2 vs Xcode 4.2.1

Compare critical compatibility fields before upgrading.

FieldXcode 4.2Xcode 4.2.1Diff
Release typestablestablesame
Edition--same
Release date2011-10-122011-11-17different
Minimum macOS10.6.810.7different
Swiftunknownunknownsame
iOS SDKunknownunknownsame
Build4C1994D502different
Recommendation: keep production teams on stable releases unless you need to validate new SDK capabilities.