Vercel's AI SDK 5 Released!

PAPAFAM Newsletter #187

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We have your Weekly Tech Crunch ready for implementation. Check out these amazing tools that you can add to your coding work flow.

Vercel's AI SDK 5 Released

This is a huge update. The redesigned chat is now fully type-safe from server to client, with a clean split between UI and model messages. You get agentic loop control for building reliable AI agents, customizable message types, streaming typed data parts, and tool invocations that are actually type-safe. There is much more. Definitely worth checking out!

Fluid: How we built serverless servers

Vercel dropped the engineering details behind Fluid Compute and Active CPU pricing. By building a custom transport layer, they enabled streaming and can now send multiple requests to the same Lambda instance.

The Useless useCallback

A look at why useCallback and useMemo can feel like pointless busywork, how just one non‑memoized prop can undo your entire caching strategy, and why new tools like useEffectEvent and React Compiler could put an end to the headaches.

Observable Notebooks 2.0 Technology Preview

The Observable Framework and the new Notebook Kit are just two parts of a rich ecosystem of reactive JavaScript ‘notebook’-style tools for creating data visualizations (example) and dashboards, originally created by Mike Bostock. This v2 release previews a big step forward with a new notebook file format based on HTML and, for the first time, support for true vanilla JavaScript, complete with the ability to import libraries with import. Here’s another neat example showing off the potential. There are a lot of parts here, so dig in.

We’ve moved from TanStack Start to Next.js

Switching from TanStack Start to Next.js led to better performance and SEO. Lighthouse scores increased, and the site now loads faster. CPU and memory usage are more consistent. Next.js also simplified the development process.

Stop Shipping Bloat: Practical Bundle Diet for Next.js Developers

Lists methods for making Next.js applications faster by shrinking their JavaScript bundles.

Build an AI Workout Tracker w/ React Native + More!

Join me as I show you how to build a Workout Tracker App from scratch with React Native - This comprehensive tutorial covers everything you need to create a Workout Tracker Mobile App!

Aydin Joshi, a PAPAFAM Diamond Member, just launched a SaaS on Product Hunt!

Our Book Recommendation For You

Principles by Ray Dalio

One of the world’s most successful investors and entrepreneurs, shares the unconventional principles that he’s developed, refined, and used over the past forty years to create unique results in both life and business—and which any person or organization can adopt to help achieve their goals...Read More