langchain-ai/langgraph 1.2.13: langgraph==1.2.13
fix(langgraph): fork before replaying an update checkpoint the thread moved past (#9170)
ProofCode ↗
Key points
- fix(langgraph): keep an updatestate on an older checkpoint out of its other branches (#9165)
- fix(langgraph): keep DeltaChannel counters on every updatestate path (#9142)
- fix(langgraph): don't replay an abandoned branch into a DeltaChannel fork (#8548)
- chore(deps): bump notebook from 7.5.6 to 7.5.7 in /libs/langgraph (#9168)
Sources (1)
- [1]langchain-ai/langgraph 1.2.13: langgraph==1.2.13GitHub: langchain-ai/langgraph · Oct 5, 05:51 PM
* fix(langgraph): fork before replaying an update checkpoint the thread moved past (#9170)
* fix(langgraph): keep an update_state on an older checkpoint out of its other branches (#9165)
Extractive summary: sentences quoted from the sources.
Before this
- Oct 2, 2026langchain-ai/langchain langchain-text-splitters==1.1.3
- Sep 30, 2026langchain-ai/langchain langchain-openai==1.6.7
- Sep 29, 2026langchain-ai/langchain langchain-anthropic==1.7.5
- Sep 29, 2026langchain-ai/langchain langchain-core==1.6.6
- Sep 28, 2026langchain-ai/langchain langchain-fireworks==1.7.0
- Sep 15, 2026Introducing Gemini 3.8 Live and 3.8 Live Extended Thinking