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langchain-ai
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langchain
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Commits on Aug 11, 2026
release(anthropic): 1.5.5 (#39597)
ccurme (ccurme)
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119bf69
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release(langchain): 1.3.15 (#39595)
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release(core): 1.5.4 (#39592)
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feat(langchain): expose `trace_policy` on `AgentMiddleware` (#38910)
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chore(model-profiles): refresh model profile data (#39579)
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fix(anthropic): report reasoning tokens in usage metadata (#39590)
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Philemon Schöpf (philemon-otera)
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chore(langchain): fix type errors in tests (#39589)
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chore(model-profiles): refresh model profile data (#39430)
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Commits on Aug 10, 2026
release(openai): 1.4.3 (#39485)
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Commits on Aug 9, 2026
chore(model-profiles): refresh model profile data (#39344)
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fix(openai): filter invalid tool calls from content (#39366)
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fix(core): compat with pydantic 2.14 (#39328)
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Commits on Aug 8, 2026
chore: bump h2 from 4.3.0 to 4.4.1 in /libs/langchain (#39325)
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chore: bump h2 from 4.3.0 to 4.4.1 in /libs/langchain_v1 (#39324)
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fix(text-splitters): raise TypeError for non-dict, non-convertible input to RecursiveJsonSplitter (#39238)
Soban Shankar (Soban-2004)
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fix(core): stop StructuredPrompt from mutating caller kwargs (#39174)
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Commits on Aug 7, 2026
fix(core): preserve flat tool args schema for `RootModel` runnables (#39307)
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Ashutosh Kumar (ashusnapx)
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fix(langchain): preserve history on `SummarizationMiddleware` summary failure (#39268)
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chore(model-profiles): refresh model profile data (#39318)
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chore: bump h2 from 4.3.0 to 4.4.1 in /libs/partners/qdrant (#39323)
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fix(anthropic): fix `KeyError` on rename in Claude file-tool middleware (#39293)
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Nishitha M (imnishitha)
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LincolnBurrows2017
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fix(exa): handle missing optional result metadata (#39171)
Ali Satwat Khan (alisatwat3)
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d616af7
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feat(openrouter): preserve provider in response metadata (#39301)
Kellampalli Saathvik (broskell)
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chore(openai): update guidance for responses API for OpenAI-compatible providers (#39327)
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fix(langchain): handle import error in `LLMToolEmulator` by `model` (#39290)
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Nishitha M (imnishitha)
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Mohammad Mohtashim (keenborder786)
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chore(openai): update docstring for `include_response_headers` (#39326)
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release(openai): 1.4.2 (#39322)
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fix(openai): handle `ContextWindowExceededError` (#39300)
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chore(model-profiles): refresh model profile data (#39299)
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refactor(langchain): update doc strings (#39305)
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Commits on Aug 6, 2026
feat(langchain): add `state_schema` param to `wrap_tool_call` (#39292)
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Nishitha M (imnishitha)
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fix(langchain): re-export `PIIMatch` from `middleware` package (#39291)
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Taraka Abhiram (abhi-0203)
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fix(langchain): restrict narrowed `ToolStrategy` in bound tools (#39259)
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Commits on Aug 5, 2026
fix(anthropic): clearer error when no credentials are configured (#39285)
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feat(langchain): filter internal middleware model calls from `messages` projection (#39252)
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