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[PR #5432] feat: Implement durability mode argument #4433

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opened 2026-02-20 17:50:11 -05:00 by yindo · 0 comments
yindo commented 2026-02-20 17:50:11 -05:00
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Original Pull Request: https://github.com/langchain-ai/langgraph/pull/5432

State: closed
Merged: Yes

  • Replaces checkpoint_during: bool
  • checkpoint_during is deprecated but still respected
  • We implement three durability modes (from least to most durable):
    • "exit" - save checkpoint only when the graph exits (equivalent to checkpoint_during=False)
    • "async" - save checkpoint asynchronously while the next step executes (the default, equivalent to old checkpoint_during=True)
    • "sync" - save checkpoint synchronously before the next step starts (new mode, slower but most durable)
**Original Pull Request:** https://github.com/langchain-ai/langgraph/pull/5432 **State:** closed **Merged:** Yes --- - Replaces checkpoint_during: bool - checkpoint_during is deprecated but still respected - We implement three durability modes (from least to most durable): - "exit" - save checkpoint only when the graph exits (equivalent to checkpoint_during=False) - "async" - save checkpoint asynchronously while the next step executes (the default, equivalent to old checkpoint_during=True) - "sync" - save checkpoint synchronously before the next step starts (new mode, slower but most durable)
yindo added the pull-request label 2026-02-20 17:50:11 -05:00
yindo closed this issue 2026-02-20 17:50:11 -05:00
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Reference: langchain-ai/langgraph#4433
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