JavaScript Weekly issue 790 covers a comparison of Flow vs TypeScript in 2026, a reflection on code complexity from the htmx creator, and a deep-dive into how TanStack cut TypeScript type-checking time by up to 86% in TanStack Table v9. Notable releases include Playwright 1.61 (passkey testing, WebStorage API), ESLint v10.5.0, TanStack AI Beta, React Native 0.86, and Biome 2.5 (now with 500+ lint rules). Also featured: articles on switching from React to Astro, streaming HTML in Chrome Canary, and PolyCSS, a CSS 3D engine using matrix3d() transforms.
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