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Agents tracked: 258 Downloads (7d): 219M up 6.1% GitHub stars: 5.5M VS Code installs: 148M Releases (7d): 293 Agent pull requests (last week): 937K Updated Oct 7, 2026
Release GitHub Releases

LangChain 1.4.3 released

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 initchatmodel (#40837)…

What changed

  • 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 initchatmodel (#40837)…

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