JavaScript Weekly issue #791 covers major releases across the ecosystem: Babel 8.0 goes ESM-only and targets ES2023 by default after 8 years since v7; TypeScript 7.0 RC arrives with a Go-powered compiler promising ~10x faster builds; Vite 8.1 adds experimental bundled dev mode for faster startup; Astro 7.0 gains a Rust-powered build pipeline; and Deno 2.9 introduces desktop app support via `deno desktop`. Also covered: TanStack Table v9's 90% memory reduction via prototype-based function storage, new CSS capabilities bridging JS values, and smaller releases including pnpm 11.7/11.8, Node.js updates, Anime.js 4.5, Ink 7.1, Nuxt UI 4.9, and Nx 23.0.
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