Live tracker
LangChain releases in September 2026
GitHub lists 31 releases for langchain-ai/langchain with published_at in September 2026.
Last verified UTC, from the stored read. GitHub releases.
Key takeaways
- GitHub lists 31 releases for langchain-ai/langchain with published_at in September 2026.
- Each note is the first line of that release’s own text. Drafts are omitted.
Releases
GitHub lists 31 releases for langchain-ai/langchain with published_at in September 2026. The API page used here returns 100 releases. This month’s rows are the ones inside that page. The date is published_at. The note is the first line of the release text after section labels such as “What’s Changed.” All releases for langchain-ai/langchain.
| Version | Published | Note |
|---|---|---|
| langchain-openai==1.6.7 | September 30, 2026 | release(openai): 1.6.7 (#40933) |
| langchain-anthropic==1.7.5 | September 29, 2026 | release(anthropic): 1.7.5 (#40912) |
| langchain-core==1.6.6 | September 29, 2026 | release(core): 1.6.6 (#40906) |
| langchain-fireworks==1.7.0 | September 28, 2026 | hotfix(fireworks): replace unavailable integration test model (#40890) |
| langchain==1.4.3 | September 28, 2026 | release(langchain): 1.4.3 (#40888) |
| langchain-fireworks==1.6.3 | September 25, 2026 | release(fireworks): 1.6.3 (#40834) |
| langchain-core==1.6.5 | September 24, 2026 | release(core): 1.6.5 (#40816) |
| langchain-openai==1.6.6 | September 24, 2026 | release(openai): 1.6.6 (#40800) |
| langchain-anthropic==1.7.4 | September 23, 2026 | chore(anthropic): fix integration test cassette (#40790) |
| langchain-openai==1.6.5 | September 23, 2026 | release(openai): 1.6.5 (#40787) |
| langchain-openai==1.6.4 | September 22, 2026 | release(openai): 1.6.4 (#40775) |
| langchain-anthropic==1.7.3 | September 22, 2026 | release(anthropic): 1.7.3 (#40773) |
| langchain-fireworks==1.6.2 | September 22, 2026 | fix(fireworks): use current completions model in LLM tests (#40740) |
| langchain-deepseek==1.1.1 | September 22, 2026 | fix(deepseek,infra): resolve compatible minimum OpenAI dependencies, bump min ver (#40738) |
| langchain-openrouter==0.2.9 | September 22, 2026 | release(openrouter): 0.2.9 (#40736) |
| langchain-openai==1.6.3 | September 21, 2026 | release(openai): 1.6.3 (#40719) |
| langchain-core==1.6.4 | September 21, 2026 | release(core): 1.6.4 (#40718) |
| langchain-typesafe==0.0.1a3 | September 20, 2026 | Initial release |
| langchain==1.4.2 | September 18, 2026 | release(langchain): 1.4.2 (#40621) |
| langchain-typesafe==0.0.1a2 | September 17, 2026 | Initial release |
| langchain-typesafe==0.0.1a1 | September 17, 2026 | Initial release |
| langchain==1.4.1 | September 16, 2026 | release(langchain): 1.4.1 (#40498) |
| langchain-core==1.6.3 | September 11, 2026 | release(core): 1.6.3 (#40407) |
| langchain-anthropic==1.7.2 | September 10, 2026 | release(anthropic): 1.7.2 (#40387) |
| langchain-openai==1.6.2 | September 9, 2026 | release(openai): 1.6.2 (#40339) |
| langchain-openai==1.6.1 | September 8, 2026 | fix(openai): bump `max_completion_tokens` in cache breakpoint integration test (#40284) |
| langchain-core==1.6.2 | September 4, 2026 | release(core): 1.6.2 (#40209) |
| langchain==1.4.0 | September 3, 2026 | docs(langchain): runnable `langchain.mcp` examples (#39976) |
| langchain-anthropic==1.7.1 | September 3, 2026 | release(anthropic): 1.7.1 (#40181) |
| langchain==1.4.0a4 | September 2, 2026 | Initial release |
| langchain==1.4.0a3 | September 1, 2026 | Third alpha of the `1.4.0` line. This release focuses on the new `langchain.mcp` namespace for adapting MCP servers into LangChain tools. |
Last verified UTC from https://api.github.com/repos/langchain-ai/langchain/releases?per_page=100&page=1.
LangChain GitHub stars · langchain downloads
Other months: November 2026, October 2026, August 2026, July 2026.