Juan Torchia's Technical Blog

Tag: nextjs-16

Jun 09 2026

React 19 Server Components and caching: the mental model I was missing after reading the docs

This isn't another RSC tutorial. It's the conceptual map I built after reading the official docs and understanding why the folklore around 'always use use client' is wrong — and what actually happens when you put Server Components in a real layout with dynamic data.

Jun 09 2026 · 9′ · Tutorials · TypeScript · nextjs

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Jun 04 2026

Next.js 16 Middleware: authorization patterns that scale and the ones that cause race conditions

I tested 4 authorization patterns in Next.js 16 Middleware with edge runtime. One causes silent race conditions, another gives you unexpected latency, and only one scales without compromises. Here's the honest tradeoff analysis of each.

Jun 04 2026 · 9′ · Tutorials · TypeScript · nextjs

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