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langchain-ai / langchain Public
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Commits on Aug 13, 2026
* chore(model-profiles): refresh model profile data (#39625)
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Mason Daugherty (mdrxy)
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* chore(langchain): update docs on error handling for json schema (#39632)
ccurme (ccurme)
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* fix(core): respect pydantic aliases when validating tool inputs (#39572)
Hunter Lovell (hntrl)
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* release(openai): 1.5.0 (#39629)
ccurme (ccurme)
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* feat(openai): support openai 3.0 SDK (#39613)
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ccurme (ccurme)
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Mason Daugherty (mdrxy)
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* release(anthropic): 1.5.6 (#39622)
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* fix(anthropic): normalize `tool_search_tool_result` blocks (#39621)
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Commits on Aug 12, 2026
* fix(core): issues in merging chunks (#39535)
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Nishitha M (imnishitha)
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Open SWE (open-swe)
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* fix(core): handle v1 base model validation in async path (#39576)
Hunter Lovell (hntrl)
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* fix(fireworks): avoid repeated `service_tier` [closes #39619] (#39620)
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* fix(core): handle tool descriptions for infer_schema=False (#39573)
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Hunter Lovell (hntrl)
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王俊锋 (kinch-tech)
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* fix(langchain): preserve final repeated schema ordering (#39284)
Hunter Lovell (hntrl)
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* fix(openrouter): preserve cost metadata in usage chunks (#39338)
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* fix(core): clear usage metadata callback on exceptions in context manager (#39616)
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* chore(partners): bump langgraph floor in openai and huggingface lockfiles (#39617)
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* chore(model-profiles): refresh model profile data (#39609)
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Mason Daugherty (mdrxy)
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* fix(core): handle falsy LLM and chat model caches (#39283)
Hunter Lovell (hntrl)
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* chore(core): add httpx as an explicit dep (#39612)
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* fix(anthropic): correct model profile data for Fable 5, Sonnet 5, Opus 4.1 (#39604)
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* fix(core): preserve non-str/non-dict items in `DictPromptTemplate` list values (#39588)
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Commits on Aug 11, 2026
* chore: bump setuptools in Hugging Face lockfile (#39603)
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John Kennedy (jkennedyvz)
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langsmith-fleet[bot]
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* fix(core): raise ValueError when explicit tool_outputs length mismatches tool_calls in tool_example_to_messages (#39142)
Rin (RinZ27)
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* fix(core): guard malformed Anthropic content blocks (#38670)
Willow Lopez (Oxygen56)
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* release(anthropic): 1.5.5 (#39597)
ccurme (ccurme)
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* release(langchain): 1.3.15 (#39595)
ccurme (ccurme)
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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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ccurme (ccurme)
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Philemon Schöpf (philemon-otera)
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* chore(langchain): fix type errors in tests (#39589)
ccurme (ccurme)
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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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ccurme (ccurme)
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PRINCE KUMAR MAURYA (alwaysprince05)
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