langchain release archive — Page 1

21 tracked entries. Older history is imported progressively; see source coverage.

LangChain · stable · Oct 29, 2026

LangChain langchain-core==1.7.3 — Release Notes & Engineering Impact

LangChain langchain-core==1.7.3 is published, but the available notes are too limited to assess upgrade impact. Review the official source before upgrading.

LangChain · stable · Oct 29, 2026

LangChain langchain-core==1.7.2 — Release Notes & Engineering Impact

LangChain langchain-core==1.7.2. Source highlight: Changes since langchain-core==1.7.1

LangChain · stable · Oct 28, 2026

LangChain langchain-core==1.7.1 — Release Notes & Engineering Impact

LangChain langchain-core==1.7.1. Source highlight: Changes since langchain-core==1.7.0

LangChain · stable · Oct 27, 2026

LangChain langchain-anthropic==1.7.7 — Release Notes & Engineering Impact

LangChain langchain-anthropic==1.7.7. Source highlight: Changes since langchain-anthropic==1.7.6

LangChain · stable · Oct 26, 2026

LangChain langchain-openai==1.7.3 — Release Notes & Engineering Impact

LangChain langchain-openai==1.7.3. Source highlight: Changes since langchain-openai==1.7.2

LangChain · stable · Oct 21, 2026

LangChain langchain==1.4.7 — Release Notes & Engineering Impact

LangChain langchain==1.4.7. Source highlight: Changes since langchain==1.4.6

LangChain · stable · Oct 14, 2026

LangChain langchain==1.4.6 — Release Notes & Engineering Impact

LangChain langchain==1.4.6. Source highlight: Changes since langchain==1.4.5

LangChain · stable · Oct 12, 2026

LangChain langchain==1.4.5 — Release Notes & Engineering Impact

LangChain langchain==1.4.5. Source highlight: Changes since langchain==1.4.4

LangChain · stable · Oct 08, 2026

LangChain langchain==1.4.4 — Release Notes & Engineering Impact

LangChain langchain==1.4.4. Source highlight: Changes since langchain==1.4.3

LangChain · stable · Sep 28, 2026

LangChain langchain==1.4.3 — Release Notes & Engineering Impact

LangChain langchain==1.4.3. Source highlight: Changes since langchain==1.4.2

LangChain · stable · Sep 18, 2026

LangChain langchain==1.4.2 — Release Notes & Engineering Impact

LangChain langchain==1.4.2. Source highlight: Changes since langchain==1.4.1

LangChain · stable · Sep 16, 2026

LangChain langchain==1.4.1 — Release Notes & Engineering Impact

LangChain langchain==1.4.1. Source highlight: Changes since langchain==1.4.0

LangChain · stable · Sep 03, 2026

LangChain langchain==1.4.0 — Release Notes & Engineering Impact

LangChain langchain==1.4.0. Source highlight: Changes since langchain==1.3.18

LangChain · stable · Sep 02, 2026

LangChain langchain==1.4.0a4 — Release Notes & Engineering Impact

LangChain langchain==1.4.0a4. Source highlight: release(langchain): 1.4.0a4

LangChain · stable · Sep 01, 2026

LangChain langchain==1.4.0a3 — Release Notes & Engineering Impact

LangChain langchain==1.4.0a3. Source highlight: Third alpha of the `1.4.0` line. This release focuses on the new `langchain.mcp` namespace for adapting MCP servers into LangChain tools.

LangChain · stable · Aug 27, 2026

LangChain langchain==1.4.0a1 — Release Notes & Engineering Impact

LangChain langchain==1.4.0a1. Source highlight: fix(langchain): name the content type MCP conversion could not handle

LangChain · stable · Aug 27, 2026

LangChain langchain==1.3.18 — Release Notes & Engineering Impact

LangChain langchain==1.3.18. Source highlight: Changes since langchain==1.3.17

LangChain · stable · Aug 25, 2026

LangChain langchain==1.3.17 — Release Notes & Engineering Impact

LangChain langchain==1.3.17. Source highlight: Changes since langchain==1.3.16

LangChain · stable · Aug 20, 2026

LangChain langchain==1.3.16 — Release Notes & Engineering Impact

LangChain langchain==1.3.16. Source highlight: Changes since langchain==1.3.15

LangChain · stable · Aug 11, 2026

LangChain langchain==1.3.15 — Release Notes & Engineering Impact

LangChain langchain==1.3.15. Source highlight: Changes since langchain==1.3.14

LangChain · stable · Jul 16, 2026

LangChain langchain==1.3.14 — Release Notes & Engineering Impact

LangChain langchain==1.3.14. Source highlight: Changes since langchain==1.3.13