AWS Lambda

AWS Lambda announces Lambda Web Functions

, a new serverless compute primitive where your code handles HTTP requests directly. Your code listens on a port and handles requests as it would on any HTTP server. You use frameworks you already know, such as Express or Hono, with no adapters or custom configuration.

AWS Lambda supports OAuth authentication for self-managed Apache Kafka event sources

AWS Lambda now supports OAuth authentication for self-managed Apache Kafka event source mappings (ESM), including Kafka clusters that customers run themselves and managed offerings such as Confluent Cloud, Aiven, and Redpanda.

AWS Lambda durable functions are now available in AWS European Sovereign Cloud region

AWS Lambda durable functions are now available in the AWS European Sovereign Cloud. Lambda durable functions enable developers to build reliable multi-step applications and AI workflows within the Lambda developer experience.

AWS Lambda now supports direct read configuration for Amazon S3 Files

, letting you configure which storage your functions read from: S3 Files high-performance storage or your S3 bucket. With this launch, you can optimize the throughput and latency of file reads for your Lambda functions based on your application requirements.

AWS Lambda durable functions integrates with Pydantic AI

Today, AWS Lambda durable functions announces an integration with Pydantic AI, an open source framework for building AI agents in Python.

AWS Lambda recursive loop detection is now available in Europe Sovereign Cloud

AWS Lambda recursive loop detection is now supported for functions running in Europe Sovereign Cloud.

AWS Lambda now supports Graviton5-powered EC2 instances on Lambda Managed Instances

AWS Lambda now supports AWS Graviton5-powered C9g, C9gd, M9g, and M9gd instances on Lambda Managed Instances.

AWS Lambda now supports 90-minute function timeout on Lambda Managed Instances

AWS Lambda now supports a 90-minute function timeout for asynchronous and event source mapping (ESM) invocations on Lambda Managed Instances (LMI), a 6x increase from the previous 15-minute limit.

AWS MCP Server adds a serverless capability for AWS Lambda functions

Today, AWS Model Context Protocol Server (AWS MCP Server) added a serverless capability so that coding agents such as Claude Code and Kiro can efficiently diagnose issues with your Lambda functions.

AWS Lambda now supports SnapStart for container image functions

Starting today, AWS Lambda supports SnapStart for functions packaged as container images, reducing startup times from several seconds to as low as sub-second.

AWS Lambda recursive loop detection is now available in all commercial AWS Regions

AWS Lambda recursive loop detection has expanded support to all commercial AWS Regions. This feature, which is enabled by default, is a guardrail that automatically detects and stops recursive invocations between Lambda functions and other supported services, preventing runaway…

AWS Lambda MicroVMs now supports AWS PrivateLink

, enabling private connectivity to Lambda MicroVMs directly from Amazon Virtual Private Cloud (VPC) resources without exposing traffic to the public internet.

AWS Lambda introduces managed runtimes in public preview for Node.js 26 and Python 3.15

Today, AWS Lambda introduces managed runtimes in public preview, starting with Node.js 26 and Python 3.15.

AWS Lambda functions now support full IAM resource-based policies

AWS Lambda functions now support full Identity and Access Management (IAM) resource-based policies, enabling platform admins and security teams to define granular access permissions using the full capabilities of AWS IAM.

AWS Lambda MicroVMs is now available in 5 additional AWS regions

AWS Lambda MicroVMs is now available in 5 additional AWS Regions: Asia Pacific (Mumbai), Asia Pacific (Singapore), Asia Pacific (Sydney), Europe (Frankfurt), and Europe (Stockholm). With this launch, you can use Lambda MicroVMs in a total of 10 AWS Regions.

AWS Lambda console extends console-to-IDE integration to Kiro and Cursor

AWS Lambda console now extends its console-to-IDE integration to support Kiro and Cursor IDEs. This expansion builds on the existing console-to-IDE transition for Visual Studio Code (VS Code), providing a seamless transition between cloud and local development environments for…

AWS Lambda announces scalable network bandwidth up to 3,000 Mbps for functions outside a VPC

AWS Lambda now supports scalable network bandwidth for Lambda functions, enabling faster data transfer to and from your execution environment for latency-sensitive workloads.

AWS Lambda Provisioned Mode for Amazon SQS event source mappings now supports up to 10,000 event pollers

AWS Lambda now supports a maximum of 10,000 event pollers for Provisioned Mode for Amazon SQS event source mappings (ESMs), a 5x increase from the previous limit of 2,000.

AWS Lambda now supports Java 8, 11, and 17 on Amazon Linux 2023

AWS Lambda now supports Java 8, Java 11, and Java 17 runtimes on Amazon Linux 2023 (AL2023), available as both managed runtimes and container base images.

AWS Lambda durable functions now supports custom Durable Execution SDK

Starting today, AWS Lambda durable functions allows you to bring your own Durable Execution SDK, so you can build durable workflows on any managed or custom runtime supported by Lambda.