Definitely year 2017 will not be remembered by fans of technology as the year of big breakthrough. In trace of Google, which was not brings nothing innovative in new version of Android OS, Apple walk on evolution, not revolution path. Available from few days, for all of owners of compatible Apple devices, iOS 11, like the Google OS, not brings big news – it’s some minor improvements set. Neverthless, it’s time to remind something for every App Store application publisher: in Apple case, with every new version of iOS operating system, confirmation of app compatibility is absolutely necessary. This is for sure – iOS 11 definitely breaks up 32-bit apps compatibility. If your application is 32-bit you must update it to 64-bit version. In iOS 11, 32-bit apps simply won’t run. Rest of apps, if they only was be iOS 10 compatible, should not cast compatibility issues, especially if they was written in Swift 3 language. Although iOS 11 comes with Swift 4, have included backward compatibility for Swift 3. If your app is written in Swift 2 or Objective C, confirmation of compatibility is necessary. Most safer way is to think that app is not working in new OS and test it. Apple is known from „lightweight” treat of backward compatibility and change syntax of their programming languages from version to version. What even new in iOS?

New control center
It was cut for two parts. First part is fixed. It is icons of basic systems preferences and player widget. Second part of control center, user may customize, what is some kind of new feature in Apple OS. When you enter in: Settings -> Control center -> Customize tool, you have list of all shortcuts, that you may use: dictation tool, calculator, alerts, camera, screen recording, stopper, flashlight, zoom, low energy mode etc.

Screenshots
iOS 11, in the way of Android, brings ability of do screenshots and edit them in advanced editor.

And, comparably to Google OS, at this two biggest new features, list was ended. Another changes, for example: better notifications, SOS calls, screen recording or new App Store look and feel, it’s purely cosmetic changes – improves user comfort but not touch OS roots.