Xcode 12.5 vs Xcode 26.4 Beta 3

Compare critical compatibility fields before upgrading.

Field	Xcode 12.5	Xcode 26.4 Beta 3	Diff
Release type	stable	Beta 3	different
Edition	-	Apple Silicon	different
Release date	2021-04-26	2026-03-09	different
Minimum macOS	11.0	26.2	different
Swift	5.4	6.3	different
iOS SDK	14.5	26.4	different
Build	12E262	17E5179g	different

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