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Pull requests: langchain-ai/langchain
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      fix(langchain): add explicit langgraph-prebuilt dependency
        
              
                dependencies
  Pull requests that update a dependency file 
              
                fix
              
                langchain
  Related to the package `langchain` 
              
                v1
  Issue specific to LangChain 1.0 
        
      
    
      
  
        
          #33809
            opened Nov 4, 2025  by
            zhangzhefang-github
            
        
        
            
    
  
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    3 tasks done
  
      fix(langchain_v1): disable summarization when max_tokens_before_summary is None
        
              
                fix
              
                langchain
  Related to the package `langchain` 
              
                v1
  Issue specific to LangChain 1.0 
        
      
    
        
          #33796
            opened Nov 3, 2025  by
            karamvirsingh1998
            
        
        
            
    
  
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      fix(langchain_v1): ensure HITL middleware edits persist correctly
        
              
                fix
              
                langchain
  Related to the package `langchain` 
              
                v1
  Issue specific to LangChain 1.0 
        
      
    
      
  
        
          #33789
            opened Nov 3, 2025  by
            zhangzhefang-github
            
        
        
            
    
  
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      fix init_chat_model for Hugging Face models
        
              
                langchain
  Related to the package `langchain` 
        
      
    
      
  
        
          #33786
            opened Nov 2, 2025  by
            riunyfir
            
        
        
            
    
  
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      fix(langchain_v1): initialize variables in _fetch_last_ai_and_tool_messages
        
              
                documentation
  Improvements or additions to documentation 
              
                fix
              
                langchain
  Related to the package `langchain` 
              
                v1
  Issue specific to LangChain 1.0 
        
      
    
      
  
        
          #33785
            opened Nov 2, 2025  by
            gowtham1412-p
            
        
        
            
    
  
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      fix: fix data[key] edge case such as an empty string
        
              
                core
  Related to the package `langchain-core` 
              
                fix
        
      
    
      
  
        
          #33779
            opened Nov 1, 2025  by
            MichaelLi65535
            
        
        
            
    
  
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    3 tasks done
  
      fix(core): preserve raw similarity in _max_inner_product_relevance_score_fn
        
              
                core
  Related to the package `langchain-core` 
              
                fix
        
      
    
      
  
        
          #33776
            opened Nov 1, 2025  by
            arpon-kapuria
            
        
        
            
    
  
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      fix(langchain): Update langchain-core dependency version
        
              
                dependencies
  Pull requests that update a dependency file 
              
                fix
              
                langchain
  Related to the package `langchain` 
              
                v1
  Issue specific to LangChain 1.0 
        
      
    
      
  
        
          #33775
            opened Nov 1, 2025  by
            mcavdar
            
        
        
            
    
  
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      style(langchain_v1): Simplify Middleware Wrap tool call handling
        
              
                langchain
  Related to the package `langchain` 
              
                linting
  Linting, formatting, typing, or style 
              
                v1
  Issue specific to LangChain 1.0 
        
      
    
        
          #33746
            opened Oct 30, 2025  by
            le-codeur-rapide
            
        
        
            
    
  
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      add re-entrancy guard to RootListenersTracer to prevent recursive listener invocations
        
              
                core
  Related to the package `langchain-core` 
        
      
    
      
  
        
          #33745
            opened Oct 30, 2025  by
            riunyfir
            
        
        
            
    
  
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      fix(core): add tool_call_id to on_tool_error event data
        
              
                core
  Related to the package `langchain-core` 
              
                fix
        
      
    
      
  
        
          #33731
            opened Oct 29, 2025  by
            Shreyanshsingh23
            
        
        
            
    
  
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      fix(langchain_v1): ShellToolMiddleware session lost on HIL resume
        
              
                fix
              
                langchain
  Related to the package `langchain` 
              
                v1
  Issue specific to LangChain 1.0 
        
      
    
      
  
        
          #33723
            opened Oct 29, 2025  by
            aroun-coumar
            
        
        
            
    
  
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      feat(groq): add prompt caching token usage details
        
              
                feature
              
                integration
  Related to a provider partner package integration 
        
      
    
      
  
        
          #33708
            opened Oct 28, 2025  by
            MshariAlaeena
            
        
        
            
    
  
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      chore(core): add ruff rule Related to the package `langchain-core` 
              
                dependencies
  Pull requests that update a dependency file 
              
                infra
  Chores, devops, repo meta changes 
        
      
    
      
  PLR2004
        
              
                core
  
        
          #33706
            opened Oct 28, 2025  by
            cbornet
            
        
        
            
    
  
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      feat: agent runtime w/ agent name
        
              
                feature
              
                langchain
  Related to the package `langchain` 
              
                v1
  Issue specific to LangChain 1.0 
        
      
    
      
  
        
          #33689
            opened Oct 27, 2025  by
            sydney-runkle
            
        
        
            
    
  
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      Harrison/middleware extend middleware
        
              
                langchain
  Related to the package `langchain` 
              
                v1
  Issue specific to LangChain 1.0 
        
      
    
        
          #33677
            opened Oct 26, 2025  by
            hwchase17
            
        
        
            
    
  
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      feat(perplexity): Created Dedicated Output Parser to Support Reasoning Model Output for perplexity
        
              
                feature
              
                integration
  Related to a provider partner package integration 
        
      
    
      
  
        
          #33670
            opened Oct 25, 2025  by
            keenborder786
            
        
        
            
    
  
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      fix(openai): Respect 300k token limit for embeddings API requests
        
              
                fix
              
                integration
  Related to a provider partner package integration 
        
      
    
      
  
        
          #33668
            opened Oct 25, 2025  by
            KaparthyReddy
            
        
        
            
    
  
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      fix(openai): Improve vLLM API compatibility and error messages
        
              
                fix
              
                integration
  Related to a provider partner package integration 
        
      
    
      
  
        
          #33662
            opened Oct 24, 2025  by
            KaparthyReddy
            
        
        
            
    
  
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      fix(core): preserve injected arguments when args_schema is BaseModel
        
              
                core
  Related to the package `langchain-core` 
              
                fix
        
      
    
      
  
        
          #33649
            opened Oct 23, 2025  by
            bhaskargurram-ai
            
        
        
            
    
  
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