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AWS Lambda durable functions are now available in 16 additional AWS Regions

Published
April 22, 2026
https://aws.amazon.com/about-aws/whats-new/2026/04/lambda-durable-functions-16-new-regions/

AWS Lambda Durable Functions Now Available in 16 New Regions

AWS Lambda durable functions are now available in 16 additional AWS Regions, including Africa (Cape Town), Asia Pacific (Hyderabad), Asia Pacific (Jakarta), Asia Pacific (Melbourne), Asia Pacific (Osaka), Asia Pacific (Seoul), Asia Pacific (Taipei), Canada (Central), Canada West (Calgary), Europe (London), Europe (Paris), Europe (Zurich), Israel (Tel Aviv), Mexico (Central), South America (São Paulo), and US West (N. California). This expansion allows developers to build reliable multi-step applications and AI workflows within the Lambda developer experience.

Durable functions extend the Lambda programming model with new primitives such as "steps" and "waits", enabling checkpointing progress, automatic recovery from failures, and pausing execution without incurring compute charges for on-demand functions. This helps meet low-latency and data residency requirements by orchestrating complex processes closer to users and data.

What to do

  • Activate durable functions for new Python (versions 3.13 and 3.14), Node.js (versions 22 and 24), or Java (17+) based Lambda functions using the AWS Lambda API, AWS Management Console, or AWS SDK.
  • Use infrastructure as code tools such as AWS CloudFormation, AWS Serverless Application Model (AWS SAM), and the AWS Cloud Development Kit (AWS CDK).

Source: AWS release notes




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