a dangerous approach and should not be used sparingly. <key>NSAppTransportSecurity</key> <dict> <!--Include to allow all connections (DANGER)--> <key>NSAllowsArbitraryLoads</key> <true/> </dict>
• Whitelist Facebook Servers for Network Requests • Whitelist Facebook Apps URL scheme to conforms to new changes to -canOpenURL:, described in this WWDC video.
but iOS 9 now allows activities to be searchable. • Web Markup: Web Markup allows apps that mirror their content on a website to index their content in Spotlight. • CoreSpotlight: allows to index any content inside of our app.
iOS 8.3 to iOS 9.0 API Differences • Apple Developer Portal • App Transport Security Tech Note • Get Your App Ready for iOS 9 • What's new in iOS 9 - Hackinginswift.com • NSHipster iOS 9
compared to iOS 8. It mainly focuses on Swift lang, Watch OS and the new tvOS SDK. The only addition to Objective-C are the __kindOf selector, generics and nullability annotation.
for now but someday Apple will enforce for apps submit to App Store (like 64- bit requirement a while ago). I encourage you to visit App Transport Security Tech Note for more information.