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[GH-ISSUE #1379] [langchain]: <Can not access to previous langchain versions(0.1, 0.2, 0.3) docs any more> #201

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opened 2026-02-17 17:19:23 -05:00 by yindo · 1 comment
yindo commented 2026-02-17 17:19:23 -05:00
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Originally created by @choshiho on GitHub (Nov 12, 2025).
Original GitHub issue: https://github.com/langchain-ai/docs/issues/1379

Type of issue

question

Language

Python

Description

After upgrading Langchain to version 1.0, the previously familiar documentation links (such as Langchain 0.3, Langchain 0.2, Langchain 0.1), including those for retrievers, output parsers, and various other documents, have all become invalid. They now automatically redirect to the new version of Langchain's page. The experience after the upgrade is terrible—I can't find anything anymore.

Originally created by @choshiho on GitHub (Nov 12, 2025). Original GitHub issue: https://github.com/langchain-ai/docs/issues/1379 ### Type of issue question ### Language Python ### Description After upgrading Langchain to version 1.0, the previously familiar documentation links (such as Langchain 0.3, Langchain 0.2, Langchain 0.1), including those for retrievers, output parsers, and various other documents, have all become invalid. They now automatically redirect to the new version of Langchain's page. The experience after the upgrade is terrible—I can't find anything anymore.
yindo added the langchainexternal labels 2026-02-17 17:19:23 -05:00
yindo closed this issue 2026-02-17 17:19:23 -05:00
yindo commented 2026-02-17 17:19:23 -05:00
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@mdrxy commented on GitHub (Jan 23, 2026):

Reference pages for v0.3 are here

For older versions, I would recommend checking the v0.1, v0.2, v0.3 branches of the langchain repo and viewing the docs/ dir

@mdrxy commented on GitHub (Jan 23, 2026): Reference pages for v0.3 are [here](https://reference.langchain.com/v0.3/python/) For older versions, I would recommend checking the `v0.1, v0.2, v0.3` branches of the langchain repo and viewing the `docs/` dir
yindo changed title from [langchain]: <Can not access to previous langchain versions(0.1, 0.2, 0.3) docs any more> to [GH-ISSUE #1379] [langchain]: <Can not access to previous langchain versions(0.1, 0.2, 0.3) docs any more> 2026-06-05 17:25:36 -04:00
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Reference: langchain-ai/docs#201
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