Xcode 4.5.2 vs Xcode 4.5.1

Compare critical compatibility fields before upgrading.

Field	Xcode 4.5.2	Xcode 4.5.1	Diff
Release type	stable	stable	same
Edition	-	-	same
Release date	2012-11-01	2012-10-03	different
Minimum macOS	10.7	10.7	same
Swift	unknown	unknown	same
iOS SDK	unknown	unknown	same
Build	4G2008a	4G1004	different

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