Xcode 15.1 Beta 3 vs Xcode 26.4 Beta 3

Compare critical compatibility fields before upgrading.

Field	Xcode 15.1 Beta 3	Xcode 26.4 Beta 3	Diff
Release type	Beta 3	Beta 3	same
Edition	-	Apple Silicon	different
Release date	2023-11-14	2026-03-09	different
Minimum macOS	13.5	26.2	different
Swift	5.9.2	6.3	different
iOS SDK	17.2	26.4	different
Build	15C5059c	17E5179g	different

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