Cocoa Delights #4

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Cocoa Delights #4

Weekly development newsletter for iOS specialists, macOS developers, and Swift enthusiasts from our mobile team.


Notarizing Your Mac Software for macOS Catalina

As a reminder, Mac software distributed outside the Mac App Store must be notarized by Apple in order to run on macOS Catalina. To make this transition easier and to protect users on macOS Catalina who continue to use older versions of software, we’ve adjusted the notarization prerequisites until January 2020. More here

Apple updated the iOS Apple Design Resources for Sketch

Many small layout fixes to table rows accessories and separators, navigation bars, modal cards, Pay buttons and typos. More here

Libraries & Repositories

Photo by Radu Marcusu on Unsplash


An attempt to recreate pop-ups from Apple Music app and App Store Feedback in Swift. More on Github.


Interactive view transition to display menus with flowing and bouncing effects in Swift. More on Github.


A fast and flexible O(n) difference algorithm framework for Swift collection. More on Github.


A TabBarController with customizable animation for selection. More on Github.


Clippy from Microsoft Office is back and runs on macOS! Written in Swift. More on Github.


Photo by Clément Falize on Unsplash

NSHipster: Dark Mode on iOS 13

Reed here

Julian Schiavo: Allowing users to manage their Siri Shortcuts in your app

Reed here

Better Programming: 5 Trending iOS Libraries to Add to Your Projects

Reed here

Don’t forget to follow our Medium blog and Twitter if you enjoyed this issue. See you next week 🙋‍♂️