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[PR #4448] packaging: removing pydantic v1 support #3832

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opened 2026-02-20 17:49:14 -05:00 by yindo · 0 comments
yindo commented 2026-02-20 17:49:14 -05:00
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Original Pull Request: https://github.com/langchain-ai/langgraph/pull/4448

State: closed
Merged: Yes

Also moving over any logic from langchain-core to here as we slowly drop langchain-core dependency.

Pydantic v1 is no longer undergoing active maintenance and v2 has been out for almost 2 years, so it seems like an appropriate time to drop v1 scar tissue.

**Original Pull Request:** https://github.com/langchain-ai/langgraph/pull/4448 **State:** closed **Merged:** Yes --- Also moving over any logic from `langchain-core` to here as we slowly drop `langchain-core` dependency. Pydantic v1 is no longer undergoing active maintenance and v2 has been out for almost 2 years, so it seems like an appropriate time to drop v1 scar tissue.
yindo added the pull-request label 2026-02-20 17:49:14 -05:00
yindo closed this issue 2026-02-20 17:49:14 -05:00
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Reference: langchain-ai/langgraph#3832
Delete Branch "%!s()"

Deleting a branch is permanent. Although the deleted branch may continue to exist for a short time before it actually gets removed, it CANNOT be undone in most cases. Continue?