CSS Container Queries in 2026: 4 Production Gotchas Developers Hit First
Container queries are production-ready in 2026 with 95% browser coverage — but 4 hidden gotchas catch most developers off guard before they ship.
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Ant JS Runtime Tested: 5ms Cold Starts vs Node, Bun, Deno
Ant is a new 9MB JavaScript runtime with 5.4ms cold starts, beating Node, Bun, and Deno. Real benchmark data, install steps, and an AWS Lambda verdict.
The forEach async/await Bug That Wastes JavaScript Hours
forEach ignores promises, so await inside it never pauses the loop. Here is exactly why it happens and the three fixes, with real Node 22 benchmarks.
Biome Linter v2.5: Real 2026 Benchmarks vs ESLint and Oxlint
The Biome linter now ships 532 rules and 97% Prettier compatibility. See real 2026 benchmarks against ESLint, plus migration steps and the gotchas.
Ternlight WASM Embeddings: Browser Semantic Search in 7 MB
Ternlight packs a 384-dim embedding model into 7 MB of WebAssembly — add privacy-first semantic search to any JS frontend with zero backend and no API key.
Safari MCP Server: The Developer’s Debugging Guide 2026
Apple's Safari MCP server lets AI agents debug your site live in the browser. Full setup, all 16 tools, the isolation gotcha, and real workflows for web developers.
The 3-Second Rule: JavaScript Performance Checklist for 2026
Hit the 3-second load threshold with this opinionated JavaScript performance checklist — Core Web Vitals, lazy loading gotchas, and scheduler.yield() explained for 2026.
Next.js 16 Auth Security: 5 Mistakes Exposing Your App in 2026
Next.js 16 auth changed silently: proxy.ts replaces middleware.ts, Server Actions are open endpoints, and 13 CVEs hit in May 2026. Here is what to fix right now.
CSS Anchor Positioning in 2026: Replace JavaScript Tooltip Libraries for Good
CSS Anchor Positioning hit Baseline 2026. Build tooltips and dropdowns in pure CSS with zero JS — plus the 3 production gotchas that trip up developers.
TypeScript 5.9 import defer: Sync Lazy Loading Without the Async Mess
TypeScript 5.9 import defer gives you lazy module loading without async/await. Here's how it works, the 3 gotchas that burn developers, and when NOT to use it.