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techMEDIUM2026-05-03 19:20 UTC

Step-by-Step: Migrating from Node.js 21 to Bun 1.2 for Your Backend APIs

Step-by-Step: Migrating from Node.js 21 to Bun 1.2 for Your Backend APIs Why Migrate to Bun 1.2? Bun 1.2 is a modern JavaScript runtime built for speed, offering native TypeScript support, a built-in bundler, test runner, and package manager. Compared to Node.js 21, Bun delivers up to 3

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