The Rust-based bundler for faster dev.
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What is Turbopack in Next.js and how does it compare to Webpack?
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nextjsturbopackwebpackbundler
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Turbopack is Next.js's Rust-based bundler designed to replace Webpack, offering much faster cold starts and incremental updates (HMR) via fine-grained caching. It's the default for next dev in recent versions; Webpack remains the fallback while Turbopack's production builds mature.
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Run dev with Turbopack
next dev --turbopack # faster cold start + HMR (default in recent Next)
# Fall back to Webpack if a custom loader/plugin isn't yet supported:
next dev05
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