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Posts by Jorge Cohen

React Native Releases in 2025: Towards a Stable Future | Jorge Cohen at React Universe Conf 2025
React Native Releases in 2025: Towards a Stable Future | Jorge Cohen at React Universe Conf 2025 YouTube video by Callstack

ICYMI - We're shipping 6 React Native this year and it's going to make your upgrading life easier! also, 1.0 maybe? who knows! I guess you'll have to watch the recording from React Native Universe. www.youtube.com/watch?v=GPto...

7 months ago 4 0 0 0

Hey Charlie, I’m sorry this is your upgrade experience. Any chance you could share more details on what goes wrong? we want to make this the best we possibly can.

7 months ago 0 0 1 0

Hey Andy, mind sharing some of the errors you’re getting? We’re always interested in hearing from our users and see how we can help, fix, etc.

7 months ago 0 0 1 0

That’s actually pretty good we might use that!

7 months ago 1 0 0 0

No worries Sam we appreciate the feedback :) thanks for sharing all of that, i`ll pass it along to the team, and we`ll see what we can do. I`ll try to keep you posted and maybe you can give things a try again in the future?

7 months ago 1 0 0 0

We’re really trying here, but as you know “There are 2 hard problems in computer science: cache invalidation, naming things, and off-by-1 errors.”

7 months ago 1 0 0 0

Hey Sam, I’m an EM on the React team at Meta, really curious to get your thoughts on Metro and see where we can improve

7 months ago 0 0 1 0
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10 years, 5 voices, 1 panel that defines where React Native has been and where it’s going. It will be a rare chance to hear from @ccheever.com (@expo.dev), @cortini.co‬ (Meta), @grabbou.com (@callstack.com), Christoph Nakazawa & @tomocchino.com (@vercel.com‬). Don't miss it 🎟️ clstk.com/4mNA8VK

7 months ago 9 4 0 0
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React Native 0.81 - Android 16 support, faster iOS builds, and more · React Native Today we are excited to release React Native 0.81!

We are excited to announce the release of React Native 0.81! 🎉

This new version brings Android 16 support, faster iOS builds (experimental), and several bugfixes.

reactnative.dev/blog/2025/08...

8 months ago 52 7 2 5
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The rate of side-projects is intensifying, as shown by number of registered domains per week 😅

8 months ago 2 0 0 0

I'll be speaking at React Universe Conf this year! Can't wait to share some of the work we've been doing to make React Native stabler for y'all!

8 months ago 5 0 0 0

My podcast player side-project thingy is going well, got a web version going too, and it's all deployed. Apps are on Testflight. First time since 2018 of having my own stuff ready to go out there! React Native and Expo are magic.

8 months ago 4 0 0 0

I’d like to believe that if you’re building something you have thoughts and opinions on how the thing should look/function. Just prompting “build me a calorie tracker/notes app/music player” etc, without thinking about what makes this different and better makes no sense to me.

8 months ago 0 0 0 0

I understand why someone would use AI coding assistance, it’s great when you know what you want to build and know mostly what you’re doing. What I don’t get is trying to one-shot things. What’s the point? I can see the value in it as an LLM tech demo, but for a product? Nah.

8 months ago 0 0 1 0

My heart Flutters thinking of all the UI I can Swiftly Compose with React Native.

8 months ago 1 0 0 0

Claude did all the boring stuff while I worked on the fun unique features I needed for my player. so awesome. took 4-5 hours in total.

8 months ago 0 0 0 0
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I love how Claude Code helps me overcome "writer's block" on my side-projects. I wanted to write this podcast player since forever (it's highly customized to my usecase, sync server and device) but couldn't bring myself to do RSS parsing for the thousandth time in my career 🥱

8 months ago 0 0 1 0

React Native 0.80 is out, Check it out! first time for me on the release crew too.

10 months ago 3 0 0 0
a digital recreation of edward hopper's "nighthawks" featuring four characters inside of a diner, all in the style of Nintendo Miis

a digital recreation of edward hopper's "nighthawks" featuring four characters inside of a diner, all in the style of Nintendo Miis

I recreated Edward Hopper's "Nighthawks" using uDraw for the Nintendo Wii (and also turned all the people into Miis)

10 months ago 2552 702 19 7
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I'm experimenting with a way to show how DOS games render themselves.

Basically I'm recording a lossless video of the game running on a very slow (virtual) CPU, then removing all the frames where nothing happens, and I'm playing it back sped up a lot.

10 months ago 1959 290 48 10

let's go back.

10 months ago 2 0 0 0

Anyway not sure what I'm trying to say here other than - time flies and life takes you unexpected places maybe?

10 months ago 1 0 0 0

I always self identified as the "iOS guy" and "startups guy" and then "citymapper guy", and now I'm not only a "Meta person", but a "React person" talk about reinventing yourself 😅 ⚛️

10 months ago 1 0 1 0
Login • Instagram Welcome back to Instagram. Sign in to check out what your friends, family & interests have been capturing & sharing around the world.

I joined CM as an iOS engineer, ended up doing Android immediately after joining and somehow found myself supporting dozens of reports (during COVID!) It was a pretty wild ride. (Here's me in the launch video for our Apple Pay integration www.instagram.com/p/B5prFHlHuYx/)

10 months ago 0 0 1 0
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Here's a piece of confetti I saved from when we launched Citymapper Pass (www.theguardian.com/uk-news/2019...)
It was the first product at Citymapper I worked on 0 to 1. Took us 3 months I think? People liked it! It worked! It was EXCITING!

10 months ago 0 0 1 0
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I just realized the other day, that I've been at Meta longer than I was at Citymapper - my first job in the UK, and the job I stayed in the longest in 20 years.

10 months ago 1 0 1 0

@ericmigi.com Hi Eric, can’t wait until I get my watch in December. Is there a way for software developers to get a dev board? Or emulator is the best way forward for now?

11 months ago 3 0 1 0
https://conf.react.dev

https://conf.react.dev

React Conf is back for 2025! Join our co-hosts, Meta and @callstack.com , October 7-8 in Henderson, Nevada or join the free livestream

1 year ago 53 13 2 1
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React Native 0.79 - Faster tooling and much more · React Native Today we are excited to release React Native 0.79!

React Native 0.79 is now available!

This release includes several performance improvements. Metro is now >3x faster to cold start! Android apps will also be faster thanks to changes to JS bundle compression.

reactnative.dev/blog/2025/04...

1 year ago 64 18 2 1
2000s photo of man with giant earbud earmuffs behind who children dressed as iPods

2000s photo of man with giant earbud earmuffs behind who children dressed as iPods

How your email finds me

1 year ago 22 1 0 0