#59: Next.js Announcements, shadcn/ui CLI, LLM and RSCs, React Email 3.0

So many updates:

• 𝕏 Upcoming caching simplifications: Say goodbye to unstable_noStore() and dynamic function calls! Caching in page files is about to get a lot simpler
• 𝕏 Next.js 15 stable version soon: Final RC version will be released soon and after that Next.js 15 goes brrrr
• Unused Server Actions get automatically removed: No more accidentally exposed endpoints. Next.js will now clean up unused server actions for you
• New middleware API with Node.js support coming
• Next.js Conf 2024: Save the date, October 24th! Get your tickets for Next.js Conf 2024, where more announcements are sure to drop

shadcn/ui: Introducing the new CLI – The new CLI is now available: Install anything from anywhere. Add components, themes, hooks, functions, animations, and generated code to your apps.

Build-time Components – Get a deeper understanding of React Server Components and how they stack up against other approaches

How to Handle Errors in Next.js for Node With the App Router – Learn best practices for setting up local and global error pages and error recovery in Next.js

LLM and RSC: A match made in Heaven – Explore why React Server Components are ideal for generative UIs in this in-depth piece

Returning JSX from React Server Actions – A lesser-known trick. Simplify your code by returning JSX directly from Server Actions

New docs:

• Progressive Web Applications (PWA)
• Incremental Static Regeneration (ISR)

React Email 3.0 – A library for creating beautiful emails using React. This major release comes with a lot of changes including a brand new component library, performance improvements and React 19 support

Upstash Workflow – A solution for handling background jobs in serverless environments without running into timeouts.

next-loading-box – A handy component to manage loading states during route changes (Pages Router only)

TimePicker (shadcn/ui) – A simple, customizable date-time picker component built on shadcn/ui

More:

• 𝕏 Node.js 22.8.0 – Fixes an issue with excessive memory usage in React.cache()
• postgres-new – In-browser Postgres sandbox with AI assistance written in Next.js

What’s new in React 19 – A high-level look at what you need to know, and how to start using React 19 on Vercel today

Introducing the Vercel Marketplace – The new marketplace simplifies the process of adding external services such as Supabase, Redis and more. Check out this video by Lee for more details

REST API for the Vercel Firewall – Manage your Vercel Firewall configurations and rules via a new REST API

How To Create An NPM Package – Step-by-step guide on publishing a package to npm with a complete setup