The final build of iOS 14.0 will be released soon, and it’s about time to make sure our apps are running great on iOS 14. This year Apple introduced major changes in UISplitViewController, which are mostly dedicated to a new three-column layout and a sidebar. While the new sidebar UI…


iOS 13 brought quite a list of new features: SwiftUI, Combine, Dark Mode, RealityKit, iPad OS, etc. But several things were left almost unnoticed. Among them is a new appearance of some UIKit components. UISegmentedControl alongside with UISwitch, UIStepper, and UISlider got a new look.


This post has been updated to include the recent additions in Xcode 12 dedicated to In-App purchases testing.

One of the In-App purchases implementation steps that every developer eventually faces is a choice of a suitable purchase record persistence strategy which will make possible to give access to paid content…


At the beginning of 2018, a public report about Spectre and Meltdown vulnerabilities has been revealed to the general public. Since that day, a number of hardware and software vendors released various patches to eliminate a possibility to exploit mentioned vulnerabilities.
Due to hardware nature of both vulnerabilities, software workarounds…

Rostyslav Dovhaliuk

iOS Developer. Creator of Electronics Engineer Helper app https://apps.apple.com/app/electronics-engineer-helper/id896429646

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