AWS Lambda adds support for Ruby 4.0

AWS Lambda Ruby 4.0 Support

AWS Lambda now supports Ruby 4.0 for creating serverless applications. Ruby 4.0 is the latest long-term support (LTS) release, expected to be supported until March 2029. It is available as both a managed runtime and a container base image, with automatic updates applied by AWS.

The Lambda Runtime for Ruby 4.0 includes advanced logging controls, providing JSON structured logs, configurable logging levels, and the ability to configure the target Amazon CloudWatch log group. This runtime is available in all AWS Regions, including China Regions and the AWS GovCloud (US) Regions.

You can deploy and manage serverless applications written in Ruby 4.0 using AWS deployment tools such as the Lambda console, AWS CLI, AWS SAM, CDK, and AWS CloudFormation.

Source: AWS release notes

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