Mind-boggingly comprehensive iOS links list over at https://github.com/vsouza/awesome-ios. Well worth checking out (via @bcf_ant).
Category: Apple
iOS 9 Safari for Web Developers
A list of all the new toys to play with as a web developer in iOS 9 Safari. 3D Touch, new Responsive Web Design breakpoints, native integration and HTML5 APIs; there’s a lot to get your hands on.
HTTPS in iOS 9
An interesting read about the large scale switch to https in iOS 9 for developers (via @bcf_ant).
Swift learning resources
iOS image size limit
Overview of Accessibility Features in iOS 7
Luis Perez has a detailed breakdown on the accessibility features coming with iOS 7. Good stuff Apple.
iPhone 5 and iOS 6 for HTML5 developers
iPhone 5 and iOS 6 for HTML5 developers provides a really good breakdown on the changes and additions available for the new device/OS.