AWS Lambda adds support for Rust

Published
November 14, 2025
https://aws.amazon.com/about-aws/whats-new/2025/11/aws-lambda-rust/

AWS Lambda Rust Support Now Generally Available

AWS Lambda now supports building serverless applications using Rust. Previously classified as ‘experimental’, Rust support in Lambda is now backed by AWS Support and the Lambda SLA.

New Features

  • Rust Support: Rust is now a Generally Available programming language for AWS Lambda.
  • Performance: Rust offers high performance and memory efficiency.
  • Safety: Compile-time code safety features.
  • Ecosystem: Mature package management and tooling ecosystem.

What to do

  • Start building performance-sensitive serverless applications in Rust.
  • Utilize Lambda’s built-in event source integrations, fast scaling, automatic patching, and usage-based pricing.
  • Check out the Lambda documentation for more information.

Source: AWS release notes




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