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@aws-sdk/client-lambda

What changed in @aws-sdk/client-lambda 3, from its official release notes, upgrade guides and advisories. Sources checked 2026-11-15.

1 security15 new APIs and options1 fixes and other

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@aws-sdk/client-lambda 317 changes

Security 1

  • AWS Lambda Durable Functions supports configuring a KMS key in Durable Config to encrypt durable execution data.

    3.1081.0release notes

New APIs and options 15

  • CreateFunction and UpdateFunctionConfiguration now support customer-managed runtimes, with automatic updates or the option to pin a specific runtime version using existing runtime controls.

    3.1169.0release notes

  • Adds ConsumptionMode to SelfManagedKafkaEventSourceConfig, allowing Lambda event source mappings to consume self-managed Apache Kafka topics as a queue.

    3.1161.0release notes

  • An optional X-Ray trace header is supported for chained invocations in durable executions, linking child invocations to the initiating span.

    3.1152.0release notes

  • OAuth 2.0 is now available for Confluent Schema Registry.

    3.1148.0release notes

  • Self-managed Apache Kafka event source mappings now support OAuth 2.0 (OAUTHBEARER), IAM, and IAM with OAUTHBEARER, with optional OAuth scope, audience, logical cluster, and identity pool parameters.

    3.1148.0release notes

  • AWS Lambda adds configurable control to enable or disable functions streaming file reads directly from S3 buckets, independent of memory size.

    3.1124.0release notes

  • Supports creating, retrieving, updating, and deleting function resource policies as complete JSON documents.

    3.1115.0release notes

  • AWS Lambda now supports the nodejs26.x runtime.

    3.1099.0release notes

  • A new StateReasonCode and LastUpdateStatusReasonCode value identifies failures caused by an upstream dependency or service.

    3.1087.0release notes

  • AWS Lambda now supports the Java 11 runtime on AL2023.

    3.1086.0release notes

  • AWS Lambda now supports the Java 17 runtime on AL2023.

    3.1086.0release notes

  • AWS Lambda now supports the Java 8 runtime on AL2023.

    3.1086.0release notes

  • Added support for configuring system log level and custom log group for Managed Instances Capacity Provider logging.

    3.1085.0release notes

  • Lambda can reference a copy of source code in your own S3 buckets, allowing you to maintain a single copy and manage your own code storage limits.

    3.1076.0release notes

  • Adds support for tagging Network Connector resources in AWS Lambda.

    3.1074.0release notes

Fixes and other changes 1

  • AWS Lambda now supports the python3.15 runtime.

    3.1099.0release notes