langchain==1.4.3

langchain-ai/langchain Releases Developers & Open Source 09/29/2026, 04:17 Score 8/10

Summary

Changes since langchain==1.4.2 release(langchain): 1.4.3 ( #40888 ) fix(langchain): sanitize cache settings for fallback models ( #40886 ) feat(langchain): support Bedrock Mantle chat models in init_chat_model ( #40837 ) fix(langchain): recognize GPT-6 structured output without profiles ( #40844 ) docs(infra): fix AGENTS.md root setup guidance and package doc accuracy ( #40794 ) fix(langchain): repair invalid tool calls in create_agent ( #40530 ) chore(langchain): remove commented-out cohere extra ( #40713 ) chore(deps): bump anyio from 4.11.0 to 4.14.2 in /libs/langchain_v1 ( #40626 )

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