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Matt Palmer

Matt Palmer

Head of Developer Relations

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What’s new

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Platform

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Mobile Apps on Replit

Build native iOS apps from a simple prompt. Agent creates full React Native apps, and you can add features like databases, Stripe payments, or OpenAI integrations as you go. Preview your app instantly by scanning a QR code with Expo Go, then publish to the App Store with one click. Ready to build your first mobile app? Check out Native Mobile Apps to get started, or follow the Build and launch a mobile app tutorial.
$15K Mobile Buildathon: Join the Mobile Buildathon to build something amazing and compete for prizes. Learn more.

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Redesigned tool calls UI in Agent chat

Agent chat now features a cleaner, more compact interface for tool calls. Tool calls collapse into grouped rows with stacked icons, making it easier to see what’s happening at a glance. File edits and creations link directly to the diff panel for easy review. This streamlined design helps you follow Agent runs with less noise and more clarity.
Agent chat before redesign showing verbose outputTool calls after redesign showing compact grouped actions

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Node.js security patch

A critical security vulnerability was announced in Node.js this week. All Agent development environments and Replit’s Node.js applications have been patched to use secure versions. Your apps will also update to the secure version when you republish them.