#443 — September 10, 2025 |
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An Interactive Guide to TanStack DB — TanStack DB is the latest project from the popular TanStack collection and offers an embedded client‑side database that uses differential dataflow to power live, relational queries, sub‑ms incremental updates, and optimistic writes. But what does that mean in real life? Maxi spent a week playing with it to see what makes it tick and where it enhances the TanStack Query experience. Maxi Ferreira |
![]() Take Control of User Roles and Permissions with WorkOS RBAC — As your app grows, hard-coded roles and permissions become messy and slow development. WorkOS RBAC makes it easy to define roles, group permissions, and manage access at scale with simple APIs, a powerful dashboard, and native SSO and SCIM integrations. WorkOS sponsor |
▶ The Talks from React Universe Conf 2025 — React Universe Conf 2025 took place last week in Poland and there were some great talks including Meta’s Jorge Cohen talking about React Native releases in 2025, Christoph Nakazawa on building scalable applications, and Aurora Scharff digging into modern React development patterns. Callstack |
IN BRIEF:
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How Shopify Migrated to React Native's New Architecture — The New Architecture heralded a big shift in how React Native worked and became the default in React Native 0.76. Shopify, heavily reliant on RN, had some big migrations to perform to get their apps using New Architecture and they share their process and observations here. Shopify |
Introducing Free Trials in Clerk Billing — The easiest way to… not charge your customers?🤔 Find out how. Clerk sponsor |
📄 Using Node.js's Native Test Runner with TypeScript and React Matthew Brown 📺 How to Make an Audio Visualizer with React Native Audio API and Skia Daniel Friyia 📄 Finally, Safe Array Methods in JavaScript Matt Smith |
🛠 Code, Tools & Libraries |
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React Bits: 100+ Creative, Animated React Components — If you want a bit of visual pizzazz in your project, this is for you. The components span from a variety of text effects to general animations, a ‘chroma grid’, bouncing cards, distortions, and more. The newest addition is called Laser Flow and provides an animated laser targeting effect. GitHub repo. David Has |
React Three Timeline: Write Composable 3D Behaviors Like a Story — Write 3D behaviors like a story using async generator functions. There’s a live demo here (with source) (doesn’t autoplay, but it gets loud). Bela Bohlender |
React Native Liquid Glass: iOS 26 Effect for iOS React Native Apps — A simple customizable way to bring the iOS 26 ‘liquid glass’ effect into RN apps. Callstack |
🎬 Mediabunny: A Complete Media Toolkit for JavaScript — A library to read, write and convert popular media file formats (e.g. MP4, MP3, and more) without leaning on dependencies like FFmpeg. Notably, the Remotion (React video generation toolkit) has decided to sponsor Mediabunny and plans to "phase out Remotion Media Parser and Remotion WebCodecs and help Mediabunny become the go-to multimedia toolkit for the web." Vanilagy |
React Horizontal Heatmap — For timelines, activity charts, health status indicators, etc.
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📢 Elsewhere in JavaScript |
A roundup of some other interesting stories in the broader JavaScript landscape, in case you've missed them:
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