Xcode 9.3 Beta 4 vs Xcode 26.4 Beta 3

Compare critical compatibility fields before upgrading.

Field	Xcode 9.3 Beta 4	Xcode 26.4 Beta 3	Diff
Release type	Beta 4	Beta 3	different
Edition	-	Apple Silicon	different
Release date	2018-03-05	2026-03-09	different
Minimum macOS	10.13.2	26.2	different
Swift	4.1	6.3	different
iOS SDK	unknown	26.4	different
Build	9Q127n	17E5179g	different

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