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LangChain

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Framework for LLM applications and agents

Selected, dated changes from official vendor sources. Not a complete version history.

Latest Version:v1.4.2
Entries:1
Source:Reviewed vendor sources

Changes (1)

v1.4.2New

LangChain 1.4.2 preserves tool calls during approval edits

September 18, 2026

Editing tool calls in a human-in-the-loop step no longer drops the model-generated tool calls.