Jorge Cohen
2.9K posts

Jorge Cohen
@JorgeWritesCode
Just doing my thing. Previously: React Team @Meta, Orion AR Glasses @RealityLabs, @Citymapper.

Disassemble Z80 instructions by changing the font blog.adafruit.com/2026/03/09/dis…


Am I the only one finding it weird how quickly the tide has changed for Claude 4.5 Opus ? 3 weeks ago, many here were calling AGI. Now, all of a sudden, half of X is saying Opus is good at nothing and Codex 5.2 is light years ahead. Either Opus became dramatically worse and 5.2 dramatically better… Or we are all falling for basic recency bias.




This is the fundamental conflict at the heart of the web: it was originally built as a read-write medium, using amazing OOP tech (NeXTSTEP/Objective-C), but then it had to be ported to other platforms, and became read-only.




New React Native DevTools app is really awesome, finally standalone app! 😍 Network & Performance tracing panels are now available for every React Native app 💯



React Native 0.83 is now available! This release includes React 19.2, new React Native DevTools features, and support for new Web APIs. And, it's the first React Native release with no user facing breaking changes. reactnative.dev/blog/2025/12/1…

React Native is NOT directly affected by this vulnerability 💅🍿


