Xcode 26.2 RC 1 vs Xcode 26.4 Beta 3

Compare critical compatibility fields before upgrading.

Field	Xcode 26.2 RC 1	Xcode 26.4 Beta 3	Diff
Release type	RC 1	Beta 3	different
Edition	Apple Silicon	Apple Silicon	same
Release date	2025-12-03	2026-03-09	different
Minimum macOS	15.6	26.2	different
Swift	6.2	6.3	different
iOS SDK	26.2	26.4	different
Build	17C48	17E5179g	different

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