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@aws-sdk/client-bedrock-runtime

What changed in @aws-sdk/client-bedrock-runtime 3, from its official release notes, upgrade guides and advisories. Sources checked 2026-10-18.

16 new APIs and options2 fixes and other

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@aws-sdk/client-bedrock-runtime 318 changes

New APIs and options 16

  • The Amazon Bedrock Converse and ConverseStream APIs now support changing tools mid-conversation.

    3.1101.0release notes

  • Evaluates prompts and responses against safety checks without creating guardrail resources, returning numeric scores for application-specific adaptive logic.

    3.1069.0release notes

  • Messages can now use the system role.

    3.1056.0release notes

  • Adds support for request metadata in Invoke Model and Invoke Model with Response Stream requests.

    3.1051.0release notes

  • Converse and ConverseStream APIs now support structured outputs.

    3.983.0release notes

  • Adds support for extended prompt caching with a one-hour TTL.

    3.972.0release notes

  • Clients allow protocol selection by class constructor.

    3.953.0release notes

  • Adds support for Audio Blocks in the Bedrock Runtime client.

    3.943.0release notes

  • Adds malformed_model_output as a stop reason.

    3.943.0release notes

  • Adds malformed_tool_use as a stop reason.

    3.943.0release notes

  • Adds support for Streaming Image Output in the Bedrock Runtime client.

    3.943.0release notes

  • Adds Bedrock Runtime Reserved Service support for developers using the client.

    3.941.0release notes

  • Adds support for automatically enforcing safeguards across accounts within an AWS Organization.

    3.938.0release notes

  • Adds support for Search Results in the Bedrock Runtime client.

    3.935.0release notes

  • Amazon Bedrock Runtime adds service tier support.

    3.934.0release notes

  • Adds support for system tool and web citation responses in the Bedrock Runtime client.

    3.920.0release notes

Fixes and other changes 2

  • Event signing streams now use static credentials.

    3.1031.0release notes

  • Fixes adaptive retry throttling detection, which may affect how the SDK handles throttling during adaptive retries.

    3.1021.0release notes