1040: Developing for the iPhone Duo from Syntax - Tasty Web Development Treats

Syntax - Tasty Web Development Treats

Wes Bos & Scott Tolinski - Full Stack JavaScript Web Developers

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1040: Developing for the iPhone Duo

1 hour 33 minutes Posted Sep 21, 2026 at 11:00 am.

Welcome to Syntax!

React 19.3

Pi announces Radius

iPhone Duo Initial Reactions

Developing for the iPhone Duo

Syntax Meetup in SF

Brought to you by Sentry!

Tailwind Labs is joining Shopify

Native is the Future of Mobile at Shopify

Herdr remote agents

Homebrew 7 Released

Meta Muse AI Agent

Scott’s Switzerland Trip

Mic FX from Teenage Engineering

Three.js conference Badge

Don’t let anyone take away your big box of cables

Aerospace Tiling Manager

Scott’s new backpack

Claude, change this button to blue

Knap markdown template language

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Show notes

Scott, Wes, and CJ break down developing for the iPhone Duo with the Device Posture and Viewport Segments APIs, plus the React 19.3 release and Pi’s new Radius platform. Also on deck: Tailwind joining Shopify, Shopify going back to native, Homebrew 7, Aeropeek, and Meta’s Muse Agent.

Show Notes

iPhone Duo for developers

Viewport Segments API

Device Posture API

WebKit Standards Positions

Jen Simmons’ post

ZurichJS Conference

More amazing badges

AeroPeek

Hacker News post

Comark plugin

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