smithy-node-native-fetch

smithy-node-native-fetch v1.2.1 provides an optimized native fetch request handler for Smithy-based clients like AWS SDK v3, exclusively for Node.js 18+. It leverages the built-in global fetch (based on undici) to eliminate browser polyfills and compatibility layers, offering better performance and compatibility with modern tooling like msw 2.x. Active development with frequent updates. Key differentiator: specifically designed for Node 18+ environments, enabling native web streams and undici's high-performance HTTP/1.1 client, while maintaining full Smithy/AWS SDK compatibility.