iOS 18 May Enable Users to Customize Layout of Home Screen App Icons: Gurman
iOS 18 may enable users to customize their Home Screen apps more with added options for layouts.
As noted by 9to5Mac, Apple has released iOS 6.1 beta to developers just after releasing iOS 6.0.1 publicly. Do note the image below refers to the iPhone 5 as A1428 (GSM for Canada; AT&T in the USA) and A1429 (CDMA for Verizon and others):
Release notes aren’t available yet so stay tuned for updates.