Xcode 3.1.2 vs Xcode 26.4.1

Compare critical compatibility fields before upgrading.

Field	Xcode 3.1.2	Xcode 26.4.1	Diff
Release type	stable	stable	same
Edition	-	Apple Silicon	different
Release date	2008-11-23	2026-04-16	different
Minimum macOS	10.5	26.2	different
Swift	unknown	6.3.1	different
iOS SDK	unknown	26.4.1	different
Build	9M2621	17E202	different

Recommendation: keep production teams on stable releases unless you need to validate new SDK capabilities.