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🌐Frontend Dev

Frontend web development and UI engineering

30 bites

Test yourself: Top 30 Frontend Dev questions on recent updatesMultiple choice, with the correct answer and why it is correct on every question. Free, no sign-in.

Latest in Frontend Dev, page 2

Cloudflare Sandboxes Cut Container Heartbeat Plumbing
intermediate2 min read

Cloudflare Sandboxes Cut Container Heartbeat Plumbing

Kent C. Dodds replaced Cloudflare Containers with Sandboxes, deleting heartbeat and shutdown logic for his FFmpeg pipeline. PR #729 uses one-shot exec() inside the existing queue worker, cutting deploy surface and eliminating long-lived service orchestration.

Kent C. Dodds Adds SQLite FTS5 to Vector Search
intermediate1 min read

Kent C. Dodds Adds SQLite FTS5 to Vector Search

Kent C. Dodds added SQLite FTS5 to Vectorize embeddings after semantic search missed exact matches like "React Testing Library." The hybrid pipeline uses Reciprocal Rank Fusion. If your search fails on API names, add BM25 backup, not bigger embedding models.

intermediate1 min read

Vercel Connect replaces env tokens with runtime OIDC

Vercel Connect Public Beta replaces static env tokens with short-lived, task-scoped credentials exchanged at runtime via OIDC. Agents request least-privilege access per job instead of holding long-lived shared secrets, eliminating manual rotation when…

intermediate2 min read

Vercel ships AI Gateway, Workflow SDK, and Sandbox for agents

Vercel Agent Stack unifies hundreds of models, durable workflows, and isolated microVMs for production agents. One endpoint routes across providers, checkpoints resume failed runs, and sandboxes isolate unreviewed code.

intermediate2 min read

Vercel Ship 2026: agent stack, eve framework, and microservices

Vercel Ship 2026 unveils open-source eve framework and Vercel Services for microservices July 1. Vercel is repositioning as agentic infrastructure with Connect credentials and expanded Python backends. Evaluate if your next agent deploys here instead of AWS.

Next.js 16.2 brings 67-100% faster server Fast Refresh
intermediate2 min read

Next.js 16.2 brings 67-100% faster server Fast Refresh

Next.js 16.2 Turbopack brings Server Fast Refresh to Node.js, cutting reload times 67-100% and compile times 400-900%. Only changed modules reload, not whole chains. WASM Workers, SRI, and dynamic import tree shaking land; upgrade to cut dev latency.

Next.js 16.2 adds agent-native dev tooling
intermediate1 min read

Next.js 16.2 adds agent-native dev tooling

Next.js 16.2 bundles version-matched docs with create-next-app, hitting 100% on framework evals versus 79% without. Browser errors now forward to terminal and a dev server lock file prevents agent confusion. Upgrade if you use AI coding agents.

Next.js 16.2 ships stable Adapter API for all platforms
intermediate1 min read

Next.js 16.2 ships stable Adapter API for all platforms

Next.js 16.2 ships a stable Adapter API co-built with OpenNext, Netlify, and Cloudflare. The typed build contract lets any platform target full framework fidelity using the same public hooks Vercel uses. Stop reverse-engineering build output.

Server Components, explained without the jargon
easy2 min read

Server Components, explained without the jargon

React Server Components render on the server and send the client a description of the result, not JavaScript. That means no bundle cost for server rendered parts and direct database access, with client components handling only the interactive pieces.

React interview cheatsheet: hooks rules in 60 seconds
easy2 min read

React interview cheatsheet: hooks rules in 60 seconds

The rules of hooks exist because React identifies each hook by call order, not by name. Call hooks only at the top level of a component or custom hook, never inside a loop, condition, or nested function, or state attaches to the wrong hook.

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