RNR 334 - React Native MacOS with Saad Najmi

Jun 13, 2025

Saad Najmi, a Software Engineer at Microsoft, dives deep into the world of React Native macOS. He discusses how the library is evolving and where it's currently being applied. The conversation touches on the challenges of maintaining cross-platform support and the nuances between UIKit and AppKit. Najmi also highlights the complexities of managing conditional code and the ongoing modernization of Microsoft Office apps, revealing how these advancements showcase the potential of desktop applications.

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ANECDOTE

Saad's Mac Start at Microsoft

Saad Najmi's first experience with a Mac was during his Microsoft internship.
He transitioned from using Windows and Linux to focusing on Apple development at Microsoft.

INSIGHT

Using Ifdefs to Share Code

React Native macOS uses many conditional compiler directives (ifdefs) to share code with iOS despite differences in UI frameworks.
This technique enables code reuse but complicates maintenance and legibility.

INSIGHT

Ifdefs Enable Feature Parity

Using ifdefs allows React Native macOS to stay very close to iOS code for feature parity.
Although cumbersome, this approach ensures synchronized updates and easier maintenance across platforms.

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