langchain
416 issues found
core: AIMessageChunk validator escapes non-ASCII in tool_call_chunks[].args
5/25/2026
PIIMiddleware state hooks skip tool-call-only AI messages and stringify structured content
5/24/2026
PIIMiddleware state hooks miss tool-call args and corrupt structured content
5/24/2026
docs: add .cursorrules for AI-assisted development consistency
5/24/2026
VectorStore.add_texts exhausts generator inputs before creating documents
5/24/2026
bug: RePhraseQueryRetriever._aget_relevant_documents raises NotImplementedError
5/22/2026
`ChatOpenAI` Responses API streaming drops reasoning summary when provider sends `response.output_item.done` instead of `response.reasoning_summary_text.delta`
5/22/2026
Support callable/dynamic system_prompt in create_agent
5/22/2026
BUG: Missing targets in .PHONY declarations across libs/ Makefiles
5/22/2026
AzureChatOpenAI._create_chat_result emits PydanticSerializationUnexpectedValue warnings for structured-output responses
5/22/2026
Lazy instantiation for fallback models in ModelFallbackMiddleware
5/23/2026
Governance callback handler for tool call authorization, cost tracking, and audit trails
5/21/2026
ChatAnthropic.bind_tools mutates caller-provided tool_choice dict
5/20/2026
anthropic: base64 file blocks with non-PDF text mime types fail with media_type validation error
5/20/2026
Agent.save() and Chain.save() write JSON/YAML without explicit encoding='utf-8' — fails on Windows / non-utf-8 locales
5/20/2026
BUG: tool_search_tool_result blocks retain stream-chunk index field, breaking multi-turn API calls
5/20/2026
feat(partners): ContextOverflowError for Groq/Mistral + standard test coverage
5/19/2026
feat(text-splitters): add SemanticCohesionSplitter with adaptive Max-Min cohesion threshold
5/18/2026
partners/exa: add integration header and instant search type
5/18/2026
feat(exa): add integration header and instant search type
5/18/2026