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LangChain Changelog
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LangChain Changelog & Release History
Framework for building contextual, multi-actor LLM applications.
Partial archive: 10 tracked releases, Sep 28, 2026–Oct 29, 2026. Includes multiple channels and packages. Coverage & limitations .
Tracked Releases
10
Newest tracked stable: langchain==1.4.7
Average Impact Score
4.7/10
AI-evaluated significance
Source-flagged Breaking Releases
0%
0 of 10 tracked releases have source flags
Release Impact Pulse (Recent → Oldest)
Hover or click bars to jump to release
🧭 Multi-Version Upgrade Path Calculator
Summarize tracked notes between two versions of the same package and channel. Gaps may exist: this is not a complete migration plan or a safety guarantee.
From (Current):
langchain-core==1.7.3 · stable · langchain-core (Oct 29, 2026)
langchain-core==1.7.2 · stable · langchain-core (Oct 29, 2026)
langchain-core==1.7.1 · stable · langchain-core (Oct 28, 2026)
langchain-anthropic==1.7.7 · stable · langchain-anthropic (Oct 27, 2026)
langchain-openai==1.7.3 · stable · langchain-openai (Oct 26, 2026)
langchain==1.4.7 · stable · langchain (Oct 21, 2026)
langchain==1.4.6 · stable · langchain (Oct 14, 2026)
langchain==1.4.5 · stable · langchain (Oct 12, 2026)
langchain==1.4.4 · stable · langchain (Oct 08, 2026)
langchain==1.4.3 · stable · langchain (Sep 28, 2026)
→
To (Target):
langchain-core==1.7.3 · stable · langchain-core (Oct 29, 2026)
langchain-core==1.7.2 · stable · langchain-core (Oct 29, 2026)
langchain-core==1.7.1 · stable · langchain-core (Oct 28, 2026)
langchain-anthropic==1.7.7 · stable · langchain-anthropic (Oct 27, 2026)
langchain-openai==1.7.3 · stable · langchain-openai (Oct 26, 2026)
langchain==1.4.7 · stable · langchain (Oct 21, 2026)
langchain==1.4.6 · stable · langchain (Oct 14, 2026)
langchain==1.4.5 · stable · langchain (Oct 12, 2026)
langchain==1.4.4 · stable · langchain (Oct 08, 2026)
langchain==1.4.3 · stable · langchain (Sep 28, 2026)
Analyze Upgrade Path
Tracked LangChain Releases (10)
LangChain langchain-core==1.7.3 is published, but the available notes are too limited to assess upgrade impact. Review the official source before upgrading.
LangChain langchain-core==1.7.2. Source highlight: Changes since langchain-core==1.7.1
LangChain langchain-core==1.7.1. Source highlight: Changes since langchain-core==1.7.0
LangChain langchain-anthropic==1.7.7. Source highlight: Changes since langchain-anthropic==1.7.6
LangChain langchain-openai==1.7.3. Source highlight: Changes since langchain-openai==1.7.2
LangChain langchain==1.4.7. Source highlight: Changes since langchain==1.4.6
LangChain langchain==1.4.6. Source highlight: Changes since langchain==1.4.5
LangChain langchain==1.4.5. Source highlight: Changes since langchain==1.4.4
LangChain langchain==1.4.4. Source highlight: Changes since langchain==1.4.3
LangChain langchain==1.4.3. Source highlight: Changes since langchain==1.4.2