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LangChain releases in August 2026

GitHub lists 28 releases for langchain-ai/langchain with published_at in August 2026.

Last verified UTC, from the stored read. GitHub releases.

Published Updated AI Agents Info Research

Key takeaways

  • GitHub logoGitHub lists 28 releases for LangChain logolangchain-ai/LangChain logolangchain with published_at in August 2026.
  • Each note is the first line of that release’s own text. Drafts are omitted.

Releases

GitHub lists 28 releases for langchain-ai/langchain with published_at in August 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.

VersionPublishedNote
langchain==1.4.0a2 (pre-release)August 28, 2026Alpha preview of `langchain.mcp` — a first-party adapter that turns any MCP server into LangChain tools you can hand straight to `create_agent`.
langchain==1.4.0a1August 27, 2026Initial release
langchain-fireworks==1.6.1August 27, 2026release(fireworks): 1.6.1 (#39975)
langchain-core==1.6.1August 27, 2026revert: release(core): 1.6.2 (#39971)
langchain==1.3.18August 27, 2026release(langchain): 1.3.18 (#39966)
langchain-anthropic==1.7.0August 27, 2026release(anthropic): 1.7.0 (#39963)
langchain==1.3.17August 25, 2026release(langchain): 1.3.17 (#39893)
langchain-perplexity==1.4.1August 21, 2026release(perplexity): 1.4.1 (#39826)
langchain-fireworks==1.6.0August 20, 2026release(fireworks): 1.6.0 (#39810)
langchain==1.3.16August 20, 2026release(langchain): 1.3.16 (#39806)
langchain-anthropic==1.6.1August 20, 2026release(anthropic): 1.6.1 (#39804)
langchain-openai==1.6.0August 19, 2026release(openai): 1.6.0 (#39762)
langchain-anthropic==1.6.0August 19, 2026release(anthropic): 1.6.0 (#39763)
langchain-core==1.6.0August 19, 2026release(core): 1.6.0 (#39760)
langchain-openai==1.5.2August 18, 2026release(openai): 1.5.2 (#39719)
langchain-openai==1.5.2a1August 18, 2026Initial release
langchain-core==1.5.6August 17, 2026chore(core): release 1.5.6 (#39704)
langchain-openrouter==0.2.8August 14, 2026release(openrouter): 0.2.8 (#39658)
langchain-core==1.5.5August 14, 2026release(core): 1.5.5 (#39655)
langchain-openai==1.5.1August 14, 2026release(openai): 1.5.1 (#39653)
langchain-openai==1.5.0August 13, 2026release(openai): 1.5.0 (#39629)
langchain-anthropic==1.5.6August 13, 2026release(anthropic): 1.5.6 (#39622)
langchain-anthropic==1.5.5August 11, 2026release(anthropic): 1.5.5 (#39597)
langchain==1.3.15August 11, 2026release(langchain): 1.3.15 (#39595)
langchain-core==1.5.4August 11, 2026release(core): 1.5.4 (#39592)
langchain-openai==1.4.3August 10, 2026release(openai): 1.4.3 (#39485)
langchain-openai==1.4.2August 7, 2026release(openai): 1.4.2 (#39322)
langchain-anthropic==1.5.4August 5, 2026release(anthropic): 1.5.4 (#39277)

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, September 2026, July 2026.

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