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  • @langchain/langgraph@1.2.0 6b576f08b6
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    yindo released this 2026-02-26 14:37:34 -05:00 | 391 commits to main since this release

    📅 Originally published on GitHub: Thu, 26 Feb 2026 19:37:45 GMT
    🏷️ Git tag created: Thu, 26 Feb 2026 19:37:34 GMT

    Minor Changes

    • #2002 fce9d38 Thanks @hntrl! - feat(langgraph): add Overwrite class for bypassing channel reducers

      Adds an Overwrite class and OverwriteValue type that allow nodes to bypass reducers in BinaryOperatorAggregate channels, writing values directly instead of passing them through the reducer function. This is useful when a node needs to replace accumulated state rather than append to it.

      • New Overwrite class exported from @langchain/langgraph
      • BinaryOperatorAggregate channel detects OverwriteValue and sets the value directly
      • Annotation, StateSchema, and zod schema type mappings updated to include OverwriteValue in update types

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