Pull Requests langchain-ai/langchain

refactor(core): eagerly validate trim_messages arguments core refactor

#34585 opened 2026-01-02 16:54 by Aman071106

chore(langchain): improve typing of agent decorators langchain infra

#34584 opened 2026-01-02 13:32 by cbornet

chore(langchain): fix types in test_decorators langchain

#34583 opened 2026-01-02 12:09 by cbornet

fix(core): exclude injected args from tool schema core fix

#34582 opened 2026-01-02 11:37 by mohankumar27

chore(langchain): fix types in test_composition langchain infra

#34580 opened 2026-01-02 10:28 by cbornet

fix(anthropic): skip cache_control for code_execution blocks integration fix anthropic

#34579 opened 2026-01-02 09:20 by lwtaiyty

feat(langchain): added AND-capable trigger conditions to Python SummarizationMiddleware langchain feature

#34576 opened 2026-01-02 06:18 by Davda-James

docs: Add "What's New" section to README linking to releases page documentation

#34575 opened 2026-01-02 03:13 by BushGommern

chore(langchain): fix types in test_context_editing, test_agent_name, test_response_format_integration langchain

#34574 opened 2026-01-02 00:21 by cbornet

chore(langchain): fix types in test_wrap_model_call langchain infra

#34573 opened 2026-01-01 23:18 by cbornet

chore(langchain): remove generic from FakeToolCallingModel langchain infra

#34572 opened 2026-01-01 20:47 by cbornet

chore(langchain): fix types in test_response_format and test_state_schema langchain infra

#34571 opened 2026-01-01 20:25 by cbornet

feat(langchain): sanitize Summarization Content to remove extra metadata langchain feature

#34570 opened 2026-01-01 20:05 by keenborder786

feat(core): support custom message separator in get_buffer_string() core feature

#34569 opened 2026-01-01 17:37 by chrispy-snps

chore(langchain): fix types in test_injected_runtime_create_agent and test_create_agent_tool_validation langchain infra

#34568 opened 2026-01-01 14:53 by cbornet

chore(langchain): fix types in test_framework langchain infra

#34567 opened 2026-01-01 14:24 by cbornet

test(langchain): activate test_return_direct_spec tests langchain dependencies tests

#34565 opened 2026-01-01 13:03 by cbornet

test(langchain): activate test_responses_spec tests langchain dependencies tests

#34564 opened 2026-01-01 12:29 by cbornet

fix(anthropic): CVE-2025-68664 integration dependencies fix anthropic

#34563 opened 2026-01-01 12:25 by loganaden

fix(anthropic): skip cache_control for code_execution tool blocks integration fix anthropic

#34562 opened 2026-01-01 11:46 by Ramsairohit

fix(core): inject additional kwargs into BaseTool _run and _arun core fix

#34561 opened 2026-01-01 10:13 by Ryanakml

test(langchain): complete and activate test_responses tests langchain dependencies tests

#34560 opened 2026-01-01 09:25 by cbornet

style(langchain): add ruff rule PLC0415 langchain dependencies

#34559 opened 2026-01-01 07:22 by cbornet

fix(langchain): sanitize SummarizationMiddleware history to prevent token overflow langchain fix

#34557 opened 2026-01-01 04:06 by sridhar852002

fix(core): add tracing callbacks to RouterRunnable core fix

#34554 opened 2025-12-31 16:34 by yashwanthjack

chore(langchain): activate mypy warn-unreachable langchain infra dependencies

#34553 opened 2025-12-31 15:22 by cbornet

feat(core): add more file extensions to ignore in HTML link extraction core feature

#34552 opened 2025-12-31 13:26 by Aman071106

chore(langchain): improve ignore_missing_imports config langchain infra dependencies

#34551 opened 2025-12-31 13:01 by cbornet

refactor(core): improve docstrings for HTML link extraction utilities core refactor

#34550 opened 2025-12-31 12:50 by Aman071106

chore(langchain): activate mypy warn_return_any rule langchain infra dependencies

#34549 opened 2025-12-31 12:43 by cbornet