React Native: Foundation Work and Flow Modernization
Today we're diving into some important foundation work in React Native with viewport size support being added to LayoutContext, setting the stage for future calc() functionality. Plus, a massive modernization effort updated Flow casting syntax across 300+ files, and we got Flow 0.307.0 deployed.
Duration: PT4M20S
Episode overview
This episode is a short developer briefing from React Native.
It explains recent repository work in plain language.
- Show: React Native
- Published: 2026-03-28T10:02:44Z
- Audio duration: PT4M20S
Transcript excerpt
This excerpt keeps the crawler page concise. Listen to the episode or use the RSS feed for the full update.
Hey there, React Native developers! Welcome back to another episode. I'm your host, and I'm genuinely excited to chat with you about what's been happening in the React Native world on this beautiful March 28th.
You know what I love about following open source development? It's like watching a house being built - sometimes you see the flashy stuff like new windows and paint, but today we're talking about the foundation work that makes everything else possible. And trust me, this foundation work is pretty exciting once you…
Let's start with the biggest story today. Kamil Paradowski just landed a really thoughtful piece of infrastructure work - adding viewport size to the LayoutContext class. Now, I know that might sound a bit technical at first, but here's why this is cool: it's laying the groundwork for calc() support in React Native…
What I really appreciate about this change is how surgical it is. Kamil extracted just this piece from a larger pull request, which shows great engineering judgment. The viewport dimensions are now available during layout on both Android and iOS, but it doesn't change any external behavior yet. It's pure plumbing…
Now, speaking of modernization, Sam…
The…
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