#70: SSR isn’t expensive, Next.js 15.1, CSS Wrapped, React 19 Stable, 2025 Tech Stack, React Editor, React Compiler Performance

🎄 This is the final edition for 2024, but we’ll be back in January with fresh updates on all things Next.js. Wishing you a festive holiday season and a bright beginning to the new year

Next.js 15.1 – We’ve had two surprising releases and it’s not even Christmas yet! First, the long-awaited stable release of React 19 is finally here. Hot on its heels, we got a minor Next.js 15 update that introduces support for the latest React version, enhanced error debugging, stabilization of unstable_after, and experimental support for the new authInterrupts API. Check out the links below to learn more:

• React 19 is now stable
• 𝕏 Easier error debugging
• ► Next.js 15.1: Explained!

Debunking the Myth: SSR Isn’t Expensive – Theo challenges the prevailing narrative that SSR is unnecessary and costly, and presents compelling counterarguments to demonstrate how SSR could actually save you money.

Per-User Database Architecture with Xata, Clerk Webhooks, Hookdeck, and Next.js – Learn to build a per-user database architecture using Xata, Clerk Webhooks, Hookdeck, and Next.js, ensuring data isolation, security, and compliance for various use cases.

The Mental Model of Server Components – A must read! It explains why React Server Components exists and showcases their benefits through the perspective of hydration and composition

Ref Callbacks, React 19 and the Compiler – Dominik takes another look at his first article on useCallback, correcting certain points and shares his views on some of the changes in React 19

How React Compiler Performs on Real Code – Investigates the impact of the new React Compiler on both initial load and interaction performance, and evaluates whether it can catch all rerenders.

React Tech Stack [2025] – Robin shares his thoughts on the tech stack he’d choose to build a React-based app in 2025. With a track record of excellent React articles and a recently released Next.js course, his perspective is one you won’t want to miss.

More:

• ► The React Lifecycle: Simply Explained!
• ► Is Next.js 15 any good? "use cache" API first look
• 𝕏 Client components can also be just functions
• The anatomy of a React Island
• Next.js Patterns – SSRF: letting pirates fire requests from your server

Onlook – An open source, local-first Figma-like app for React. It lets you visually edit your React app and write your changes back to code in real-time.

Better Auth Utils – A simple typescript API for common auth utilities like hashing, encryption, encoding, and OTP generation. Built on top of Web Crypto APIs

Introducing the Vercel TypeScript SDK – A type-safe Typescript SDK that gives you access to the Vercel REST API

Nosecone – An open source library to set security headers like Content Security Policy (CSP) and HTTP Strict Transport Security (HSTS)

More:

• Serverless Hosting pricing
• Plate – A comprehensive toolkit for creating AI-powered rich-text editors
• Pages CMS 1.0 – An open source CMS built for static websites that allows you to edit your content directly on GitHub
• NextUI v2.6.0 – React 19 & Next.js 15 support and 4 new components

Use SSO to access Google Calendar and other service data – Learn to use Clerk SSO to access the current user’s Google Calendar availability with an open-source demo application.

CSS Wrapped 2024 – Catch up on all the latest and greatest CSS and UI improvements that launched for Chrome and the web platform in 2024

Drizzle Database Migrations – Adam breaks down everything you need to know about Drizzle’s migration feature, from managing schema changes to syncing your existing database schema back into code.

Reflections on managing state – The author shares how trying 5 different state management libraries within seven months changed their perspective of state management in React.

Architectures of modern Front-end applications – This post explores the advantages of popular frontend architectures and helps you choose the best solution for your app

More:

• 𝕏 Use CSS Grid to stack items – Handy little trick to display a loading spinner inside a button without changing its width
• Thoughts on Tailwind 4
• Lower prices for domains on Vercel – Lowered the prices for domains by up to 50%
• Custom Environments are now available on Vercel