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pypi / langchain-aws

langchain-aws

What changed in langchain-aws 1, from its official release notes, upgrade guides and advisories. Sources checked 2026-10-28.

4 new APIs and options1 behavior and defaults10 fixes and other

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@unstale/cli 0.2.9 on npm

langchain-aws 115 changes

New APIs and options 4

  • Adds support for Z.ai models on ChatBedrockConverse.

    1.9.1release notes

  • Supports requestMetadata on InvokeModel API calls.

    1.9.1release notes

  • Model profiles declare mid-conversation support.

    1.8.2release notes

  • Claude Haiku 5.5 supports effort levels and default thinking.

    1.8.2release notes

Behavior and default changes 1

  • Reports Converse thinking tokens in output_token_details.

    1.9.0release notes

Fixes and other changes 10

  • Fixes the put→get round-trip for AgentCoreMemoryStore.

    1.9.1release notes

  • Replaces blanket media type profile overrides with per-model ones.

    1.9.1release notes

  • Adds missing reasoning_effort_levels overrides to model profiles.

    1.9.1release notes

  • Makes the fallback name for unnamed file blocks deterministic.

    1.9.1release notes

  • Prevents failure when content has a general plain-text MIME type.

    1.9.0release notes

  • Resolves actor_id for nested subgraph get_state.

    1.9.0release notes

  • Adds missing reasoning_effort_levels to model profiles.

    1.9.0release notes

  • ChatBedrock input_tokens now includes cache read and write tokens, matching ChatBedrockConverse behavior since 1.4.6.

    1.9.0release notes

  • Streaming support is fixed for Claude Haiku 5.5.

    1.8.2release notes

  • Streamed tool_use blocks with input that is not valid JSON are replayed.

    1.8.2release notes