Speeding up the web with the speculation rules API | Barry Pollard

More from PodRocket All episodes →

1. 

   16 Dec 2025 · 38 min

   React got hacked with David Mytton

   In this episode, Noel sits down with David Mytton, founder and CEO of Arcjet, to unpack the React2Shell vulnerability and why it became such a serious remote code execution risk for apps using React server components and Next.js. They explain how server-side features introduced in React 19 changed the attack surface, why cloud providers leaned on WAF mitigation instead of instant patching, and what this incident reveals about modern JavaScript supply chain risk. The conversation also covers dependency sprawl, rushed patches, and why security as a feature needs to start long before…

2. 

   4 Dec 2025 · 22 min

   Whats new in React 19.2 with Shruti Kapoor

   Shruti Kapoor comes back onto the podcast to discuss React 19.2, how it builds on React 19 and React 18, and new features like Activity, View Transitions, useEffectEvent, and React server components improvements powered by cacheSignal. They explore partial pre rendering, Suspense boundary batching, the stable React Compiler for auto memoed apps, and new Chrome dev tools performance tracks. The episode also covers Next.js 16 framework support and the updated ESL plugin react hooks. Links Website: https://shrutikapoor.dev LinkedIn: https://www.linkedin.com/in/shrutikapoor08/ YouTube:…

3. 

   27 Nov 2025 · 23 min

   The useless useCallback: React performance myths unpacked, with Dominik Dorfmeister (Repeat)

   In this repeat episode, Dominik Dorfmeister unpacks the pitfalls of React’s useCallback and useMemo, revealing how these hooks often introduce more complexity than performance gains. He explores the promise of the React Compiler, the practical power of the “latest ref” pattern, and strategies to boost code readability and maintainability at scale. Learn why overusing useEffect and manual memoization can do more harm than good, and how teams can level up their PR reviews and performance practices using tools like the ESLint React Compiler plugin. Links Bluesky:…

4. 

   20 Nov 2025 · 24 min

   First look at Prisma ORM v7 with Will Madden

   Jack Herrington talks with Will Madden about how Prisma ORM is evolving in v7, including the transition away from Rust toward TypeScript, less magic, and a new Prisma config file for more predictable good DX. They dig into Prisma Postgres, improvements to Prisma Studio, better support for serverless environments, and how JavaScript ORM tools like Prisma as an object relational mapper will fit into future agentic coding workflows powered by LLMs. Links LinkedIn: https://www.linkedin.com/in/willmadden Resources X thread with highlights: https://x.com/prisma/status/1991155390080598366 Blog…

5. 

   13 Nov 2025 · 49 min

   GitHub’s Octoverse: TypeScript, Copilot, and Open Source Struggles

   In this episode of PodRocket, Jack and Paige dive into the latest GitHub Octoverse report, covering trends like shipping faster with AI, the dominance of TypeScript as the top language, the rise of AI-generated pull requests, and the concerning drop in code review comments. They unpack the growing role of Copilot, the tension between OSS contributions and burnout, and the surge in AI infrastructure projects like Ollama. The discussion also touches on open source governance, the docs gap, prompt injection risks, and whether AI-powered browsers can succeed beyond the dev crowd. Links Resources…

6. 

   30 Oct 2025 · 50 min

   Remix v3, React 19.2, H-1B fees and Firefox fanboys

   This months panel dives into Remix v3 without React, exploring its DIY VDOM framework and manual reactivity approach. We discuss the latest React Foundation governance changes and what React 19.2 brings, from the Activity component to useEffectEvent and server streaming support. The conversation also covers how the proposed H-1B $100,000 fee could affect tech hiring, thoughts on Firefox, the Perplexity and Washington Post paywall, and a spicy Tailwind vs CSS debate. Links Paige Niedringhaus Website: https://www.paigeniedringhaus.com X: https://x.com/pniedri GitHub:…

7. 

   23 Oct 2025 · 32 min

   Ripple.js with Dominic Gannaway

   Dominic Gannaway joins us to talk about Ripple.js, a new TypeScript-first UI framework built with its own templating language and a focus on clarity and reactivity. We explore how Ripple.js handles fine-grained updates through its track and block system, why it avoids global state, and how context plays a key role. Dominic also walks us through the developer experience, from the language server and VS Code integration to syntax highlighting and the Prettier plugin, plus how the framework handles error boundaries, server-side rendering, future plans, and more. Links Twitter:…

8. 

   21 Oct 2025 · 26 min

   Source maps: how does the magic work? with Nicolo Ribaudo

   Ever wondered how source maps actually work? In this episode, Nicolo Ribaudo, Babel maintainer and TC39 delegate, breaks down how source maps connect your JavaScript, TypeScript, and CSS back to the original code — making debugging, stack traces, and observability smoother in Chrome dev tools. We dive into how source maps help in both development and production with minified code, explore tools like Webpack, Rollup, Next.js, and Svelte, and share when you should turn off source maps to avoid confusion. Links Website: https://nicr.dev LinkedIn:…

9. 

   16 Oct 2025 · 40 min

   WASM 3.0 with Andreas Rossberg

   Andreas Rossberg unpacks WASM 3.0, covering new capabilities like garbage collection, exception handling, tail calls, and support for 64-bit addressing with multiple memories. The discussion explores deterministic profiles following relaxed sim, WebAssembly’s capability-based security model, and advances in sandboxing and module design. Andreas connects these features to practical use cases in JavaScript engines and applications like Google Sheets, then looks ahead to experimental work on threading, stack switching, and async programming models shaping the next phase of the WebAssembly…

10. 

    8 Oct 2025 · 27 min

    Semantic HTML still matters with Jono Alderson

    Jono Alderson joins the podcast to discuss why semantic HTML still matters today. He shares how thoughtful markup can improve accessibility and performance, from using the picture tag and responsive images to optimizing with content-visibility CSS. The conversation dives into common pitfalls like div soup, the shift toward more template-centric design, and techniques for improving the critical rendering path. Jono also discusses preloading, HTTP early hints, and the evolving role of structured data, LLMs, and Google’s trust signals in shaping a more meaningful and efficient web. Links…