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Agents tracked: 258 Downloads (7d): 219M up 6.1% GitHub stars: 5.5M VS Code installs: 148M Releases (7d): 293 Agent pull requests (last week): 937K Updated Oct 7, 2026
Release GitHub Releases

LangGraph 1.2.13 released

fix(langgraph): fork before replaying an update checkpoint the thread moved past; fix(langgraph): keep an updatestate on an older checkpoint out of its other branches; fix(langgraph): keep DeltaChannel counters on every updatestate path

What changed

  • fix(langgraph): fork before replaying an update checkpoint the thread moved past
  • fix(langgraph): keep an updatestate on an older checkpoint out of its other branches
  • fix(langgraph): keep DeltaChannel counters on every updatestate path
  • release(langgraph): 1.2.13
  • fix(langgraph): don't walk history for a DeltaChannel that was never written
  • fix(langgraph): don't replay an abandoned branch into a DeltaChannel fork
  • chore(deps): bump notebook from 7.5.6 to 7.5.7 in /libs/langgraph
  • fix(langgraph): hydrate subgraph delta channels with the caller-resolved saver

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More about LangGraph

  1. Release GitHub Releases

    LangGraph 1.2.14 released