

React Universe On Air
Callstack
React Universe On Air is your go-to podcast about building cross-platform apps with React and React Native, featuring practical lessons, forward-looking ideas, and talks with industry leaders.
Episodes
Mentioned books

Apr 21, 2022 • 24min
React v18.0 & React Native 0.68 | React Universe On Air: Coffee Talk #1
Hi folks! We want to introduce you the new series of podcasts under the flag of React Universe On Air (formerly known as The React Native Show) - Coffee Talk!
In this series, our hosts will talk about the latest and most nurturing news in the React & React Native community.
In the first episode of Coffee Talk our hosts:
- Aleksandra Desmurs Linczewska (https://www.callstack.com/team/aleksandra-desmurs-linczewska,
- Łukasz Chludziński (https://www.callstack.com/team/lukasz-chludzinski)
- and Michał Pierzchała (https://www.callstack.com/team/michal-pierzchala)
discuss about the React v18 and React Native 0.68 basing on these two articles:
❯ https://reactjs.org/blog/2022/03/29/react-v18.html
❯ https://reactnative.dev/blog/2022/03/30/version-068
Give the Coffee Talks a warm welcome 💙
Grab your coffee and enjoy!

Mar 24, 2022 • 38min
Mobile Payments in React Native | React Universe On Air #12
Join software engineers from Stripe and Callstack as they discuss the history and types of mobile payments, security issues, payment providers, and the Stripe React Native library in an informative and engaging podcast episode.

Feb 2, 2022 • 52min
Expert Talks on Current and Future Trends in React Native | React Universe On Air #11
In the 11th episode of React Universe On Air (formerly known as The React Native Show), Łukasz Chludziński (https://twitter.com/loginlukasza) and his guest, Ola Desmurs-Linczewska (https://twitter.com/p_syche_), talk about the most important releases and libraries that happened in the React Native ecosystem in 2021 as well as the trends and predictions for the future.
The picks are based on Callstack experts’ responses to the following questions:
- What was the most groundbreaking moment for React Native in 2021?
- Which React Native library was the most useful last year?
- What are you looking forward to seeing in 2022 React Native wise?
Ola and Łukasz’s comments are the main course of the episode!
What else are they cooking in this edition?
Aside from speaking about the highlights of React Native 2021, Ola and Łukasz share their thoughts on New Architecture and its potential impact on React Native in 2022. They also discuss the fact that more and more companies are adopting React Native!
This and much more you can hear in our latest episode. Check it out to learn more about the current and future trends in React Native! This year already looks pretty exciting in the React Native space 🚀
Don’t forget to subscribe to our channel and share the video on your socials!
Not sure what Re.Pack is or want to find out more Hermes on iOS? Here’s a shortlist of your must-reads then! Catch up today:
➡️ Re.Pack
https://www.callstack.com/open-source/re-pack?utm_campaign=Podcast&utm_source=youtube&utm_medium=social&utm_content=RN_trends_podcast
➡️ Hermes on iOS
https://www.callstack.com/blog/bringing-hermes-to-ios-in-react-native?utm_campaign=Podcast&utm_source=youtube&utm_medium=social&utm_content=RN_trends_podcast
➡️ React Navigation
https://www.callstack.com/blog/custom-screen-transitions-in-react-navigation?utm_campaign=Podcast&utm_source=youtube&utm_medium=social&utm_content=RN_trends_podcast
Need help with your React Native project? Give us a shout!
https://www.callstack.com/contact-us?utm_campaign=Podcast&utm_source=youtube&utm_medium=social&utm_content=RN_trends_podcast
Check what we can do for you:
https://www.callstack.com/services?utm_campaign=Podcast&utm_source=youtube&utm_medium=social&utm_content=RN_trends_podcast
Callstack is looking for Senior React Native developers!
Read more about the role and apply here:
https://www.callstack.com/senior-react-native-developer?utm_campaign=Podcast&utm_source=youtube&utm_medium=social&utm_content=RN_trends_podcast

Nov 25, 2021 • 1h 8min
React Native EU 2021 Q&A Panel | React Universe On Air #10
The 10th episode of React Universe On Air (formerly known as The React Native Show Podcast) is fully dedicated to the questions that were asked during the React Native EU 2021 conference. We gathered four great React Native experts in one room to answer these questions (in Callstack's headquarters to be exact) and just let them go with the flow.
During the Q&A panel, our panelists:
Łukasz Chludziński (https://twitter.com/loginlukasza)as the host,
Wojciech Kwiatek (https://twitter.com/WojciechKwiatek) - CTO at Channels, JavaScript developer, mentor, and trainer.
Mike Grabowski (https://twitter.com/grabbou) - CTO & Co-founder at Callstack.
Satya Sahoo (https://twitter.com/satya164) - React and React Native developer at Callstack and one of the engineers that work on React Navigation library.
Paweł Trysła aka. Zamotany (https://twitter.com/_zamotany) - Software engineer at Callstack and the lead engineer at Re.Pack Open Source library (formerly Haul).
answer a number of questions related to the conference revealing their favorite talks, the present and future of React Native, Open Source libraries, and many more!
Don’t forget to push the Subscribe button and share this video on your social media. More episodes are coming soon!
#ReactNative #news #trendingtopics #ReactJS #Programming #Developer #JavaScript
Want to read more about the topics covered? Check this out:
Implementing Code Splitting in React Native with Re.Pack
https://hubs.li/H0_Qtjb0
Why Use React Native for Windows?
https://hubs.li/H0_Qtjm0
More episodes of The React Native Show:
https://hubs.li/H0_Qtjt0
Need help with your React Native project? Give us a shout!
https://hubs.li/H0_Qtml0
Check what we can do for you:
https://hubs.li/H0_QtnK0
Callstack is looking for React Native developers!
https://hubs.li/H0_QtpV0

Oct 21, 2021 • 47min
React Native News | React Universe On Air #9
✨ In September 2024, The React Native Show has become React Universe On Air ✨
This time our podcast episode focuses on everything newsworthy in the React Native world! Check the episode to be updated with the latest industry news!
The host, Łukasz Chludziński (https://twitter.com/loginlukasza), and his guests, Jan Jaworski (https://twitter.com/jaworek3211) and Satyajit Sahoo (https://twitter.com/satya164), discuss trending topics such as
- React Native 0.65 update
- React Native Windows update
- New React Native Architecture
- React Navigation v.6
- Re.Pack
- Community news
- React Native EU
Don’t forget to push the Subscribe button and share this video on your social media. More episodes are coming soon!
#ReactNative #news #trendingtopics #ReactJS #Programming #Developer #JavaScript
Want to read more about the topics covered? Check this out:
Why Is It Important to Always Run The Latest Version of React Native?
https://callstack.com/blog/always-run...
Why Use React Native for Windows?
https://callstack.com/blog/why-use-re...
Custom Screen Transitions in React Navigation
https://callstack.com/blog/custom-scr...
Implementing Code Splitting in React Native with Re.Pack
https://callstack.com/blog/implementi...
More episodes of The React Native Show:
https://callstack.com/podcast-react-n...
Need help with your React Native project? Give us a shout!
https://callstack.com/contact-us/?utm...
Check what we can do for you:
https://callstack.com/services/?utm_c...
Callstack is looking for Senior React Native developers!
Read more about the role and apply here:
https://callstack.com/senior-react-na...
Follow us on Twitter (@callstackio) to stay tuned!

Sep 10, 2021 • 39min
React Native Development on Windows | React Universe On Air #8
The eighth episode of React Universe On Air (formerly known as The React Native Show) is all about React Native for Windows. Mike Grabowski (https://twitter.com/grabbou) and his guest, Bartosz Klonowski (github.com/BartoszKlonowski), dive into desktop app development with React Native.
If you’re wondering why we should think about React Native Windows in terms of desktop development, this episode is definitely for you!
All in all, this podcast episode covers the following topics:
- Most popular frameworks and languages used in desktop application development
- React Native Windows vs. Electron
- React Native Windows development workflow
- Getting started with React Native for Windows
- Migrating from a native desktop application to React Native Windows.
Want to read about React Native development on Windows? Check our article series:
1. Why Use React Native for Windows?
https://callstack.com/blog/why-use-react-native-for-windows/?utm_campaign=RN_Windows&utm_source=youtube&utm_medium=social&utm_content=podcast
2. Business Benefits of React Native Windows
Coming soon! Be the first to know when it’s live:
https://callstack.com/blog/?utm_campaign=RN_Windows&utm_source=youtube&utm_medium=social&utm_content=podcast#newsletter
3. How to Build a Desktop App with React Native for Windows
Coming soon! Be the first to know when it’s live:
https://callstack.com/blog/?utm_campaign=RN_Windows&utm_source=youtube&utm_medium=social&utm_content=podcast#newsletter
More episodes of The React Native Show:
https://callstack.com/podcast-react-native-show?utm_campaign=RN_Windows&utm_source=youtube&utm_medium=social&utm_content=podcast
Need help with your React Native project? Give us a shout!
https://callstack.com/contact-us/?utm_campaign=RN_Windows&utm_source=youtube&utm_medium=social&utm_content=podcast
Check what we can do for you:
https://callstack.com/services/?utm_campaign=RN_Windows&utm_source=youtube&utm_medium=social&utm_content=podcast
Callstack is looking for Senior React Native developers!
Read more about the role and apply here:
https://callstack.com/senior-react-native-developer?utm_campaign=RN_Windows&utm_source=youtube&utm_medium=social&utm_content=podcast
Follow us on Twitter (@callstackio) to stay tuned!

Jul 5, 2021 • 38min
Re.Pack: Bringing Webpack to React Native | React Universe On Air #7
The 7th episode of React Universe On Air (formerly known as The React Native Show) is 100% focused on Re.Pack (https://github.com/callstack/repack) - an Open Source, Webpack-based toolkit to build React Native apps with the full support of the Webpack ecosystem.
This time Mike Grabowski’s (https://twitter.com/grabbou) guest is Paweł Trysła aka. Zamotany (https://twitter.com/_zamotany), a software engineer at Callstack (https://twitter.com/callstackio) and the lead engineer at Re.Pack. Join them as they give insights into the brand new toolkit!
In the first part, our experts introduce Re.Pack talking about its origins, explaining how it works and why Re.Pack replaced its predecessor - Haul. They address the following topics:
What is Re.Pack and how does it work?
What do we need a bundler for, in the context of React Native development?
What is the biggest selling point of Re.Pack that will make developers use it over Metro, the default bundler?
What was the reason for building Re.Pack and replacing Haul with it?
Later on, Mike and Paweł talk about use cases and benefits of using Re.Pack answering the following questions:
Which Webpack 5 features can developers use with the help of Re.Pack?
What types of apps benefit most from using Re.Pack? And what are these benefits?
Beside performance optimization, what are the other perks of using the toolkit?
At the end, Paweł explains how to get started with Re.Pack, reveals the current status of the toolkit and the plans for the near future.
Read more about Re.Pack and code splitting:
https://callstack.com/blog/code-splitting-in-react-native-applications/?utm_campaign=Re_Pack&utm_source=youtube&utm_medium=social&utm_content=Code_splitting_art
Check out more episodes of The React Native Show
https://callstack.com/podcast-react-native-show?utm_campaign=Re_Pack&utm_source=youtube&utm_medium=social&utm_content=podcast_subpage
More episodes are coming soon!
#Webpack #ReactNative #ReactJS #JavaScript #CodeSplitting #softwaredevelopment #programming #Callstack #TheReactNativeShow
Callstack is looking for Senior React Native developers!
Read about the details and apply here:
https://callstack.com/senior-react-native-developer?utm_campaign=Senior_RN&utm_source=youtube&utm_medium=social&utm_content=podcast_description_link

Jun 7, 2021 • 42min
Brownfield Development with React Native | React Universe On Air #6
The sixth episode of React Universe On Air (formerly known as The React Native Show) focuses on building apps with React Native the brownfield way. Mike Grabowski (https://twitter.com/grabbou) and his guest, Michał Chudziak (https://twitter.com/michalchudziak), discuss brownfield development in detail: from starting a new brownfield project to actual challenges with real-life examples, you will hear it all in the episode! In the last part of the episode, Michał also talks about React Native brownfield library.
All in all, this podcast episode covers the following topics:
- Greenfield vs. brownfield projects
- Starting a brownfield project
- Gradual adoption when integrating new app components
- Business benefits of brownfield development with React Native
- Challenges faced by developers running brownfield projects
- React Native brownfield library
Don’t forget to push the Subscribe button and share this video on your social media. More episodes are coming soon!
Want to read about brownfield development? Check our article series:
1. Why Brownfield Development with React Native Is Worth Your Attention
https://callstack.com/blog/brownfield-development-with-react-native/?utm_campaign=RN_Brownfield&utm_source=soundcloud&utm_medium=social&utm_content=brownfield_podcast
2. Android Brownfield App with React Native in an Easy Way
https://callstack.com/blog/android-brownfield-app-with-react-native-in-an-easy-way/?utm_campaign=RN_Brownfield&utm_source=soundcloud&utm_medium=social&utm_content=brownfield_podcast
3. iOS brownfield app with React Native in an easy way
https://callstack.com/blog/ios-brownfield-app-with-react-native-in-an-easy-way/?utm_campaign=RN_Brownfield&utm_source=soundcloud&utm_medium=social&utm_content=brownfield_podcast
More episodes of The React Native Show:
https://callstack.com/podcast-react-native-show?utm_campaign=RN_Brownfield&utm_source=soundcloud&utm_medium=social&utm_content=brownfield_podcast

May 12, 2021 • 1h 4min
React Native 0.64 with Hermes for iOS | React Universe On Air #5
In this episode of React Universe On Air (formerly known as The React Native Show Podcast), our host, Mike Grabowski, and his guests:
- Eloy Durán, a Software Engineer at Microsoft (https://twitter.com/alloy)
- and Xuan Huang, a Software Engineer at Facebook (https://twitter.com/Huxpro)
talk about the latest React Native 0.64 release which comes with Hermes support for iOS!
It’s a great opportunity to know the details of this major update to React Native 0.64 because Mike, Eloy and Xuan worked together on bringing Hermes to iOS!
In the first part of the podcast, our experts focus on the following topics:
- Hermes improvements to React Native apps in terms of three metrics: Time To Interactive (TTI), Application Size (APK), Memory consumption
- The “magic” behind Hermes - “Bytecode Precompilation” a.k.a. AOT
- The difference between AOT and JIT
- JIT JS engine pipeline vs Hermes pipeline
- The Hermes roadmap and plans for further improvements
Later on, Mike and his guests talk about the story behind bringing Hermes to React Native MacOS and take a quick look into the future of this major update.
In this part, they cover the following topics:
- What was the motivation behind adding support for Hermes on MacOS? Any plans for RN Windows?
- Were there any attempts to bring Chakra to run on macOS, to say, provide more unified experience across desktop platforms?
- On Apple devices, unlike Android ones, there was always less of performance and memory related issues when it comes to running React Native applications. What would be the selling point of Hermes in such a case?
This and much more awaits you in the Episode #5 of The React Native Show!
Don’t forget to push the Subscribe button and share this video on your social media. More episodes are coming soon!
Check out more episodes of The React Native Show
https://callstack.com/podcast-react-native-show?utm_campaign=Hermes_MB&utm_source=soundcloud&utm_medium=social&utm_content=hermes_podcast
Read more about Hermes on iOS
1. Bringing Hermes to iOS in React Native 0.64
https://callstack.com/blog/bringing-hermes-to-ios-in-react-native/?utm_campaign=Hermes_MB&utm_source=soundcloud&utm_medium=social&utm_content=hermes_podcast
2. Hermes Performance on iOS
https://callstack.com/blog/hermes-performance-on-ios/?utm_campaign=Hermes_MB&utm_source=soundcloud&utm_medium=social&utm_content=hermes_podcast

Apr 2, 2021 • 47min
Expert Guide To React Navigation | React Universe On Air #4
In this episode of React Universe On Air (formerly known as The React Native Show Podcast), our host, Mike Grabowski, and his guests:
Satya Sahoo and Mateusz Kosoń, software engineers at Callstack, are talking about the React Navigation library.
During the conversation, they cover a wide range of topics related to the React Navigation library, including:
- What is React Navigation library and what’s its biggest selling point?
- What was the idea behind creating the React Navigation library?
- How did it happen that React Navigation became a “recommended” library in the community?
- What’s coming up with the React Navigation v5?
- What issues does React Navigation v5 solve?
- What do our guests appreciate most about React Navigation v5?
Also, our guests gave us some sneak peaks at what’s coming up with the upcoming React Navigation v6.0!
Sit back, relax and enjoy The React Native Show!
Don’t forget to push the Subscribe button and share this video on your social media. More episodes are coming soon!
Video version:
https://www.youtube.com/watch?v=S2uZe6AkZOM&t=1s