Initial release

release(core): 1.3.0a1 (#36656) chore(core): reduce streaming metadata / perf (#36588) release(core): release 1.2.28 (#36614) fix(core): add more sanitization to templates (#36612) release(core): 1.2.27 (#36586) fix(core): handle symlinks in deprecated prompt save path (#36585) chore: add comment explaining pygments>=2.20.0 (#36570) release(core): 1.2.26 (#36511) fix(core): add init validator and serialization mappings for Bedrock models (#34510) feat(core): add ChatBaseten to serializable mapping (#36510) chore(core): drop gpt-3.5-turbo from docstrings (#36497) fix(core): correct parameter names in filter_messages docstring example (#36462) release(core): 1.2.25 (#36473) fix(core): harden check for txt files in deprecated prompt loading functions (#36471) fix(core): fixed typos in the documentation (#36459) release(core): 1.2.24 (#36434) feat(core): impute placeholder filenames for OpenAI file inputs (#36433) chore: pygments>=2.20.0 across all packages (CVE-2026-4539) (#36385) fix(core): add "computer" to _WellKnownOpenAITools (#36261) release(core): 1.2.23 (#36323) revert: Revert "fix(core): trace invocation params in metadata" (#36322) chore: bump requests from 2.32.5 to 2.33.0 in /libs/core (#36243) release(core): 1.2.22 (#36201) fix(core): validate paths in prompt.save and load_prompt, deprecate methods (#36200) release(core): 1.2.21 (#36179) fix(core,model-profiles): add missing ModelProfile fields, warn on schema drift (#36129) chore(core): remove stale blockbuster allowlist for deleted context module (#36168) ci: suppress pytest streaming output in CI (#36092) release(core): 1.2.20 (#36085) fix(core): trace invocation params in metadata (#36080) feat: Add LangSmith integration metadata to create_agent and init_chat_model (#35810) feat(core): harden anti-ssrf (#35960) ci: avoid unnecessary dep installs in lint targets (#36046) docs(core): document base_url in mermaid api (#35961) chore: bump orjson from 3.11.5 to 3.11.6 in /libs/core (#35805) chore: housekeeping (#35850) release(core): 1.2.19 (#35832) chore(core): move BaseCrossEncoder to langchain-core (#35809) chore: bump tornado from 6.5.2 to 6.5.5 in /libs/core (#35775) release(core): 1.2.18 (#35704) fix(core): fix double backticks in deprecation docstring for alternative_import (#35658) fix(core): preserve default_factory when generating tool call schema (#35550) feat(openai): support tool search (#35582) chore: bump the minor-and-patch group across 3 directories with 7 updates (#35605) release(core): 1.2.17 (#35527) fix(core): extract usage metadata from serialized tracer message outputs (#35526) chore: bump the langchain-deps group across 3 directories with 7 updates (#35513) chore: bump the langchain-deps group across 3 directories with 14 updates (#35441) release(core): 1.2.16 (#35439) fix(core): treat empty tool chunk ids as missing in merge (#35414) fix(core): improve error message for non-JSON-serializable tool schemas (#34376) fix(core): improve typing/docs for on_chat_model_start to clarify required positional args (#35324) perf(core): defer specific langsmith imports to reduce import time (#35298) revert: add ChatAnthropicBedrockWrapper (#35371) release(core): 1.2.15 (#35367) fix(anthropic): replace retired model IDs in tests and docstrings (#35365) feat(anthropic): add ChatAnthropicBedrock wrapper (#35091) style: fix some ruff noqa (#35321) release(core): 1.2.14 (#35328) chore(core): remove langserve from sys info util, add deepagents (#35325) fix(core): fix merge_lists incorrectly merging parallel tool calls (#35281) fix(core): accept int temperature in _get_ls_params for LangSmith tracing (#35302) revert: accept integer temperature values in _get_ls_params (#35319) fix(core): accept integer temperature values in _get_ls_params (#35317) docs(core): update load note to be precise (#35309) fix(core): prevent recursion error when args_schema is dict (#35260) fix(core): preserve index and timestamp fields when merging (#34731) docs(core): add security warnings and best practices for deserialization (#35282) docs: fix docstring inaccuracies and update outdated LangSmith URLs (#35283) fix(core): correct misleading jinja2 sandboxing comment (#35183) chore: bump the langchain-deps group across 3 directories with 8 updates (#35257) release(core): 1.2.13 (#35230) docs(core): expanded get_lc_namespace docstring (#35229) feat(openrouter): add langchain-openrouter provider package (#35211) style: bump ruff version to 0.15 (#35042) release(core): 1.2.12 (#35192) fix(core): fix setting ChatGeneration.text (#35191) release(core): 1.2.11 (#35144) fix(openai): sanitize urls when counting tokens in images (#35143) chore(core): clean up docstring mismatch and redundant logic in langchain-core (#35064) fix(core): replace bare except with Exception in tracer (#35138) release(core): 1.2.10 (#35136) chore(deps): bump the langchain-deps group across 3 directories with 40 updates (#35129) chore(deps): bump the langchain-deps group across 3 directories with 11 updates (#35121) feat(core): add ContextOverflowError, raise in anthropic and openai (#35099) feat(model-profiles): add text_inputs and text_outputs (#35084) feat(core): count tokens from tool schemas in count_tokens_approximately (#35098) docs(core): add missing name docstring for RunnableSerializable (#35088) release(core): 1.2.9 (#35025) fix(core): adjust cap when scaling approximate token counts (#35017) revert: precompile hex color regex pattern at module level (#35016) chore: add make type target (#35015) revert: "chore: add typing target in Makefile" (#35013) chore: add typing target in Makefile (#35012) fix(core): apply cap when scaling approximate token counts (#35005) feat(core): allow scaling by reported usage when counting tokens approximately (#34996) test(core): increase delta_time for flaky test (#34982) chore: enrich pyproject.toml files (#34980) release(core): 1.2.8 (#34975) docs(core): add examples for pretty_repr, pretty_print (#34968) docs(core): use proper admonition for get_buffer_string (#34967) docs: add usage examples to core classes (#34841) chore(core): fix docstring format (#34966) chore(deps): bump the uv group across 20 directories with 3 updates (#34941) docs: add example to create_message function docstring (#34851) docs(core): clarify @tool decorator argument and return type requirements (#34860) fix(core): fix nested mustache variable extraction and update docs (#34872) fix(core): allow base model annotations for empty model (#34932) chore: upgrade urllib3 to 2.6.3 (#34940) fix(core): prevent crash in ParrotFakeChatModel when messages list is empty (#34943) fix(core): google docstring parsing with no arguments/reserved arguments (#34861) test(core): add tests for approximate token counting with multimodal messages (#34898) fix(core): replace Iterable with Iterator for block iteration (#34934) fix(core): yield_blobs returns Iterator (#34935) docs: Fix typo in Runnable description of async variants (#34905) fix(core): raise outputparserexception for unknown tools (#34923) docs(core): nit (#34914) chore(core): nits (#34897) feat(core): add multimodal support to count_tokens_approximately (#34883) fix(core): fix typo 'use a a' -> 'use as a' in check_version.py (#34878) style(core): lint (#34862) feat(core): add XML format option for get_buffer_string (#34802) chore(core): relax packaging constraints (#34832) chore(deps-dev): bump setuptools from 67.8.0 to 78.1.1 in /libs/core in the uv group across 1 directory (#34825) chore(core, langchain): add version consistency check pre-commit hooks (#34782) docs(core): enhance docstring for RunnableConfig for clarity on total=False (#34756) docs(core): clean up callbacks param descriptions (#34738) fix(core): correctly guard against non-text-block types (#34729) chore: update twitter URLs (#34736) refactor(core): generalize comma_list utility to support any Iterable (#34714) fix(core): add explicit tags parameter to sync LLMManagerMixin methods (#34722) docs(core): enhance docstrings for ToolCall and ToolCallChunk (#34719) fix(core): add tool_call_id to on_tool_error event data (#33731) fix(core): improve error message for missing title in JSON schema functions (#34683) fix(core): make yield_keys prefix keyword-only to match BaseStore (#34659) chore(core): bump lock (#34695) chore(core): improve types for RunnableLambda (#34539) chore(core): improve types for StreamingRunnable (#34540) style(core): fix some noqa escapes (#34675) style: bump ruff version to 0.14.11 (#34674) fix: remove relative imports (#34680) release: langchain-core 1.2.7 (#34678) fix: don't trace injected args only found in signature (#34670) feat(core): add more file extensions to ignore in HTML link extraction (#34552) refactor(core): improve docstrings for HTML link extraction utilities (#34550) test(core): add edge case for empty examples in LengthBasedExampleSelector (#34641) fix(core): fix strict schema generation for functions with optional args (#34599) feat(core): support custom message separator in get_buffer_string() (#34569) refactor(core): add warning for fallback GPT-2 tokenizer usage (#34621) fix(core,langchain): use get_buffer_string for message summarization (#34607) test(core): add tests for formatting utils and merge functions (#34511) fix(core): strip message IDs from cache keys using model_copy (#33915) fix(core): exclude injected args from tool schema (#34582) refactor(core): select chunk_id via ranking and remove extra allocation (#34588) release(core): 1.2.6 (#34586) chore(core): Update LangChainTracer to use Pydantic v2 methods (#34541) docs(core): add docstrings to internal helper functions (#34525) docs(core): refresh content.py docstrings (#34546) chore(deps): bump mypy to v1.19 and ruff to v1.14 (#34521) refactor(core): fix some missing generic types (#31658) style(core): add ruff RUF012 rule (#34492) fix(core): support (message class, template) tuples in ChatPromptTemplate.from_messages (#33989) test(core): add regression test for list-index $ref resolution (#34097) fix(core): fix callback manager merge mixing handlers (#32028) (#33617) style: add ruff ISC001 rule (#34493) style(core): fix mypy no-any-return violations (#34204) docs(core): image url docstring enhancement (#34488) test(core): URL-encode bgColor parameter in mermaid.ink API calls (#34466) style(core): fix some noqa: ARG rules (#34437) fix(core): URL-encode bgColor in mermaid API calls (#34461) perf(core): move origin type map to module level in function_calling.py (#34481) style(core): add ruff rules TC (#34476) perf(core): precompile hex color regex pattern at module level (#34480) docs(core): update to indicate betas (#34457) release(core): 1.2.5 (#34456) fix(core): serialization patch (#34455) fix(core): RunnablePick method return types (#34208) fix(core): preserve Field(description=...) in @tool decorator (#34354) fix(core): populate default args from tool's args_schema (#34399) fix(core): use tool_calls instead of deprecated function_call in get_buffer_string (#34355) feat(core): add PEP 702 __deprecated__ attribute support to @deprecated (#34257) fix(core): ensure tool_call_count is never null (#34431) feat(core): automatically count and store meta for tool call count (#33756) feat(core): add 'approximate' alias in place of count_tokens_approximately (#33045) chore(core): fix some ruff preview rules (#34425) release(core): 1.2.4 (#34429) feat(core): add usage_metadata to metadata in LangChainTracer (#34414) fix(core): defer persisting traces for iterator inputs (#34416) chore(core): fix some docstrings (#34426) release(core): 1.2.3 (#34421) fix(core): allow unknown blocks in convert_to_openai_messages (#34420) feat(infra): add CI check for out of date lockfiles (#34397) chore(core): bump lockfile (#34392) release(core): 1.2.2 (#34391) fix(core): use get_type_hints for Python 3.14 TypedDict compatibility (#34390) release(core): 1.2.1 (#34370) fix(core): handle None arguments in parse_tool_call (#34242) chore(core): fix some types related to ToolCallChunk (#34283) release(core): 1.2 (#34319) style(core): docs nit (#34312) fix(core): widen openai tool/function conversion input type to Mapping (#34304) chore(core): add admonitions around use of load (#34285) feat(core,anthropic): extras on BaseTool (#34120) release: langchain-core 1.1.3 (#34266) fix(core): undo jinja2 restrictions (#34072) fix: remove partial usage for retriever func + afunc (#34265) release(core): 1.1.2 (#34253) fix(core): pass tool_call_id to on_tool_start callback (#34235) chore(core): improve typing of messages utils functions (#34225) fix(core): prevent async task garbage collection (RUF006) (#34238) chore(core): use anext and deprecate py_anext (#34211) feat(core): support google maps grounding in genai block translator (#34244) docs(core,groq,openai): nits for ref docs (#34243) docs(core): improve style for refs (#34227) docs(core): update StrOutputParser docstring (#34213) release: langchain-core 1.1.1 (#34212) feat: Use uuid7 for run ids (#34172) fix: tool call id bug introduced w/ runtime injection (#34185) chore: update test to be compatible with mem-optimized runtree (#34176) docs(core): update docstrings in RunnableConfig, dereference_refs (#34131) docs(anthropic,core,langchain): updates (#34106) style(core,langchain,qdrant): fix some docstrings for refs (#34105) fix(core): handle missing StructuredPrompt schema (#34096) fix(core): ensure_ascii=False in PydanticOutputParser exception formatting (#34006) fix(infra,core): nits (#34079) style(core,langchain-classic,openai): fix griffe warnings (#34074) chore(docs): fix a few refs syntax errors (#34044) release(core): 1.1.0 (#34063) feat(model-profiles): distribute data across packages (#34024) release(core): 1.0.7 (#34036) fix(core): fix validation for input variables in f-string templates, restrict functionality supported by jinja2, mustache templates (#34035) release: langchain-core 1.0.6 (#34018) chore: Support tool runtime injection when custom args schema is prov… (#33999) feat(core): add proxy support for mermaid png rendering (#32400) release(core): 1.0.5 (#33973) fix(core): don't mask exceptions (#33959) docs(core): add clarity to base token counting methods (#33958) chore(core,infra): nits (#33954) chore(core): fix some ruff TC rules (#33929) chore: update README.md files (#33919) test(core): add comprehensive tests for groq block translator (#33906) revert(core): "applied secrets_map in load to plain string values" (#33913) fix(core): applied secrets_map in load to plain string values (#33678) release(core): 1.0.4 (#33886) feat(core): support draw subgraph using pygraphviz (#32966) fix(core): Fix tool name check in name_dict for PydanticToolsParser (#33479) fix(core): Filter empty content blocks from formatted prompts (#32519) fix(core): context preservation in shielded async callbacks (#32163) fix(core): RunnablePick may not return a dict if keys is a string (#31321) fix(core): fix Runnable parallel schema being empty when children runnable input schemas use TypedDict (#28196) docs: fix typos in libs/core/langchain_core/utils/function_calling.py (#33873) docs: fix typos in libs/core/tests/unit_tests/utils/test_strings.py (#33875) docs: fix typos in libs/core/tests/unit_tests/indexing/test_hashed_document.py (#33874) docs: fix typos in libs/core/tests/unit_tests/test_tools.py (#33876) docs: fix typos in some files (#33867) style: some cleanup (#33857) chore: attribute package change versions (#33854) fix(core): handle missing dependency version information (#33844) chore: correct langchain-community references (#33827) chore(core): add ruff rule PLR2004 (#33706) chore(core): clean pyproject formatting (#33821) docs(model-profiles): fix typo (#33820) style: refs pass (#33813) fix(core): add no colors check (#33780) release(core): 1.0.3 (#33768) style: misc refs work (#33771) docs(core): improve tools module docstrings (#33755) feat(core): mint langchain-model-profiles and add profile property to BaseChatModel (#33728) chore: use model IDs, latest anthropic models (#33747) release: core 1.0.2 and langchain 1.0.3 (#33736) fix: filter out injected args from tracing (#33729) style: more refs fixes (#33730) fix(core): improve JSON get_format_instructions using Opik Agent Optimizer (#33718) style(core): more cleanup all around (#33711) style: more refs work (#33707) fix(core): translate Google GenAI text blocks to v1 (#33699) feat(langchain): export UsageMetadata (#33692) fix: links (#33691) fix(core): fix PydanticOutputParser's get_format_instructions for v1 models (#32479) refactor(core): Minor refactor for code readability (#33674) fix(infra): add emacs backup files to gitignore (#33675) fix: update some links (#33686) style(core): more refs work (#33664) fix(core): make handling of schemas more defensive (#33660) release(core): 1.0.1 (#33639) feat(core): automatic set required to include all properties in strict mode (#32930) docs(core): Updated docs for mustache_template_vars (#33481) style: even more refs work (#33619) style: more refs work (#33616) style: more refs polishing (#33601) ci(infra): test CodSpeed with Python 3.13 (#33599) style(anthropic): use aliases for model names (#33590) chore: update pyproject.toml url entries (#33587) release(core): 1.0.0 (#33562) fix(core): support for Python 3.14 (#33461) docs: more fixes for refs (#33554) release: joint rcs for core + langchain (#33549) chore(langchain): allow injection of ToolRuntime and generic ToolRuntime[ContextT, StateT] (#33546) chore: more sweeping (#33533) release(core): 1.0.0rc2 (#33530) docs(anthropic): update extended thinking docs and fix urls (#33525) feat(core): support vertexai standard content (#33521) style: more sweeping refs work (#33513) style: more work for refs (#33508) feat(core): include original block type in server tool results for google-genai (#33502) release(core): 1.0.0rc1 (#33497) chore(core): delete BaseMemory, move to langchain-classic (#33373) docs: update package READMEs (#33488) fix(core): propagate extras when aggregating tool calls in v1 content (#33494) chore(core): delete items marked for removal in schemas.py (#33375) fix(docs): Fix several typos and grammar (#33487) chore(core): delete function_calling.py utils marked for removal (#33376) chore(core): delete pydantic_v1/ (#33374) feat(groq): support built-in tools in message content (#33459) chore(core): delete get_relevant_documents (#33378) style: llm -> model (#33423) chore(langchain): remove arg types from docstrings (#33413) style: fix tables, capitalization (#33417) fix(core): handle parent/child mustache vars (#33345) style: remove Defaults to None (#33404) style: .. code-block:: admonition translations (#33400) style: address Sphinx double-backtick snippet syntax (#33389) chore(core): remove arg types from docstrings (#33388) chore: update Sphinx links to markdown (#33386) fix(core): override streaming callback if streaming attribute is set (#33351) refactor(core): clean up sys_info.py (#33372) style: remove more Optional syntax (#33371) chore: drop UP045 (#33362) refactor(core): remove keep-runtime-typing from pyproject.toml following dropping 3.9 (#33360) style: monorepo pass for refs (#33359) fix(core): don't print package if no version found (#33347) chore: enrich pyproject.toml files with links to new references, others (#33343) release(core): 1.0.0a8 (#33341) fix(core): add back add_user_message and add_ai_message (#33340) release(core): 1.0.0a7 (#33309) fix(core,openai,anthropic): delegate to core implementation on invoke when streaming=True (#33308) fix(core): fix string content when streaming output_version="v1" (#33261) chore(infra): pdm -> hatchling (#33289) style(core): drop python 39 linting target for 3.10 (#33286) chore(core): docstring nits (#33285) chore(core,langchain,langchain_v1)!: remove globals from langchain-v1, update globals in langchain-classic, langchain-core (#33251) feat(core): add optional include_id param to convert_to_openai_messages function (#33242) chore: delete deprecated items (#33192) docs: v1 docs updates (#33173) release: v1.0.0 (#32567) release(core): 0.3.77 (#33185) feat: (core, standard-tests) support PDF inputs in ToolMessages (#33183) chore(core): remove runnable section from README.md (#33171) docs(core): remove non-existent param from as_tool docstring (#33165) fix(core): Support of 'reasoning' type in 'convert_to_openai_messages' (#33050) docs: more standardization (#33124) docs: standardize .. code-block directive usage (#33122) chore: bump ruff version to 0.13 (#33043) test(core): resolve pytest marker warning (#33111) test(core): resolve pydantic_v1 deprecation warning (#33110) refactor(core): use aadd_documents in vectorstores unit tests (#33109) fix(core): use version agnostic get_fields (#33108) test(core): use secure hash algorithm in indexing test to eliminate SHA-1 warning (#33107) test(core): suppress pydantic_v1 deprecation warnings during import tests (#33106) test(core): don't use deprecated input_variables param in from_file (#33105) refactor(core): don't use deprecated input_variables param in from_file (#33104) test(core): enhance stringify_value test coverage for nested structures (#33099) test(core): suppress deprecation warnings in PipelinePromptTemplate (#33102) fix(core): use secure hash algorithm in indexing test to eliminate SHA-1 warning (#33101) style(core): typo/docs lint pass (#33093) chore: update pyproject.toml files, remove codespell (#33028) docs(core): fix bugs and improve example code in chat_history.py (#32994) docs(core): add type hints to BaseStore example code (#32946) chore(langchain): Fix typos in core docstrings (#32928) docs(core): remove duplicate 'the' in indexing/api.py (#32924) chore(core): test that default values in tool calls are preserved in json schema representation (#32921) chore: bump mypy version to 1.18 (#32914) fix(core): resolve mermaid node id collisions when special chars are used (#32857) fix(core): preserve ordering in RunnableRetry batch/abatch results (#32526) feat(core): allow overriding ls_model_name from kwargs (#32541) fix(core): fix support of Pydantic v1 models in BaseTool.args (#32487) fix(core): resolve infinite recursion in _dereference_refs_helper with mixed $ref objects (#32578) fix(core): force overwrite additionalProperties to False in strict mode (#32879) fix(core): AsyncCallbackHandler docstring cleanup (#32897) fix(core): raise OutputParserException for non-dict JSON outputs (#32236) revert: "chore: remove ruff target-version" (#32895) feat(core): allow custom Mermaid URL (#32831) fix(core): preserve ToolMessage.status field in convert_to_messages (#32840) test: Add failing test for BaseCallbackManager.merge (#32040) test(core): reactivate commented tests in test_indexing (#32882) chore: remove ruff target-version (#32880) release(core): 0.3.76 (#32877) fix(core): honor enabled=false in nested tracing (#31986) fix(core): ensure InjectedToolCallId always overrides LLM-generated values (#32766) chore(docs): update package READMEs (#32869) chore(core): cleanup pyproject.toml (#32865) refactor(core): improve beta decorator (#32505) feat(core): add id field to Document passed to filter for InMemoryVectorStore similarity search (#32688) feat(core): support AWS Bedrock document content blocks in msg_content_output (#32799) feat(core): support for adding PromptTemplates with formats other than f-string (#32253) chore(core): add ruff rule PLC0415 (#32351) chore(core): fix some pydocs to use google-style (#32764) chore(core): fix some ruff preview rules (#32785) chore(core): fix some docstrings (from DOC preview rule) (#32833) refactor(core): use pytest style in TestGetBufferString (#32786) chore(core): enable ruff docstring-code-format (#32834) chore(core): fix some mypy warn_unreachable issues (#32560) feat(core): add web_search in OpenAI tools list (#32738) chore: adress pytest-asyncio deprecation warnings + other nits (#32696) release(core): 0.3.75 (#32693) feat(core): trace response body on error (#32653) chore(core): add note about backward compatibility for tool_calls in additional_kwargs in JsonOutputKeyToolsParser docs(docs): fixed typos in documentations (#32661) chore(core): add mypy pydantic plugin (#32604) refactor(core): Use duck typing for _StreamingCallbackHandler (#32535) fix(core): Support no-args tools by defaulting args to empty dict (#32530) docs: update outdated README.md content (#32540) chore(core): bump lock feat: port various nit changes from wip-v0.4 (#32506) fix(core): fix beta decorator for properties (#32497) chore: formatting across codebase (#32466) release(core): 0.3.74 (#32454) feat(openai): custom tools (#32449) release(core): 0.3.73 (#32446) feat(core): zero-out token costs for cache hits (#32437) fix(core): fix index checking when merging lists (#32431) fix(core): revert "fix: tool call streaming bug with inconsistent indices from Qwen3" (#32307) fix: lint fix: tool call streaming bug with inconsistent indices from Qwen3 (#32160) fix(core): resolve cache validation error by safely converting Generation to ChatGeneration objects (#32156) chore(core): add test for nested pydantic fields in schemas (#32285) refactor: remove references to unsupported model claude-3-sonnet-20240229 (#32281) fix(core): track within-batch deduplication in indexing num_skipped count (#32273) fix: formatting issues in docstrings (#32265) feat(docs): improve devx, fix Makefile targets (#32237) fix: LLM mimicking Unicode responses due to forced Unicode conversion of non-ASCII characters. (#32222) fix(docs): capitalization, codeblock formatting, and hyperlinks, note blocks (#32235) release(core): 0.3.72 (#32214) fix(core): Dereference Refs for pydantic schema fails in tool schema generation (#32203) docs: formatting cleanup (#32188) release(core): 0.3.71 (#32186) fix(core): exclude api_key from tracing metadata (#32184) fix(core): add type key when tracing in some cases (#31825) feat(core): add sanitize_for_postgres utility to fix PostgreSQL NUL byte DataError (#32157) fix(core): fix parse_resultin case of self.first_tool_only with multiple keys matching for JsonOutputKeyToolsParser (#32106) release(core): 0.3.70 (#32144) docs(core): move incorrect arg limitation in rate limiter's docstring (#32118) fix(core): fix docstrings and add sleep to FakeListChatModel._call (#32108) fix(core): better error message for empty var names (#32073) fix(core): implement sleep delay in FakeMessagesListChatModel _generate (#32014) fix(core): JSON Schema reference resolution for list indices (#32088) feat(core): update _import_utils.py to not mask the thrown exception (#32071) fix: fixing missing Docstring Bug if no Docstring is provided in BaseModel class (#31608) fix: issue a warning if np.nan or np.inf are in _cosine_similarity argument Matrices (#31532) release(core): release 0.3.69 (#32056) feat(core): add an option to make deserialization more permissive (#32054) chore(core): unpin packaging dependency (#32032) docs: add deprecation notice for PipelinePromptTemplate (#31999) fix(core): correct return type hints in BaseChatPromptTemplate (#32009) feat(core): add ruff rules D to tests except D1 (#32000) fix[core]: added error message if the query vector or embedding contains NaN values (#31822) ruff: restore stacklevels, disable autofixing (#31919) core: docs: clarify where the kwargs in on_tool_start and on_tool_end go (#31909) ruff: more rules across the board & fixes (#31898) ollama: thinking, tool streaming, docs, tests (#31772) fix: fix file open with encoding in chat_history.py (#31884) core: Cleanup pyproject (#31857) fix: remove unused type ignore from three_values fixture in TestAsyncInMemoryStore (#31895) core: Ruff preview fixes (#31877) core: make ruff rule PLW1510 unfixable (#31868) core: Bump ruff version to 0.12 (#31846) core[patch]: Int Combine when Merging Dicts (#31572) core: release 0.3.68 (#31848) core: Use parametric tests in test_openai_tools (#31839) core[path]: Use context manager for FileCallbackHandler (#31813) core: release 0.3.67 (#31791) core: expose tool message recognized block types (#31787) docs: enhance docstring for disable_streaming parameter in BaseChatModel (#31759) fix: update import paths for ChatOllama to use langchain_ollama instead of community (#31721) core[patch]: Add additional hashing options to indexing API, warn on SHA-1 (#31649) standard-tests: refactoring and fixes (#31703) core: Use parametrized test in test_correct_get_tracer_project (#31513) docs: document Anthropic cache TTL count details (#31708) core[patch]: Improve RunnableWithMessageHistory init arg types (#31639) core: fix get_buffer_string output for structured message content (#31600) core[patch]: check before removing tags (#31691) core: release 0.3.66 (#31690) core[patch]: Returning always 2D Array for _cosine_similarity (#31528) core[patch]: Add doc-strings to tools/base.py (#31684) core: Cleanup Pydantic models and handle deprecation warnings (#30799) core and langchain: Remove upper bound restriction langsmith dependency (#31629) bump langsmith to allow 0.4 (#31594) core: In LangChainTracer, send only the first token event (#31591) core: release 0.3.65 (#31557) core(fix): revert set_text optimization (#31555) core: use run tree post/patch (#31500) core[patch]: Correct type casting of annotations in _infer_arg_descriptions (#31181) core[patch]: revert change to stream type hint (#31501) core: Add mypy strict-equality rule (#31286) fix: module 'defusedxml' has no attribute 'ElementTree' (#31429) (#31431) core: release 0.3.63 (#31419) langchain-core: Add image_generation tool to list of known openai tools (#31396) standard-tests: add benchmarks (#31302) core: release 0.3.62 (#31376) anthropic: support for code execution, MCP connector, files API features (#31340) core: release 0.3.61 (#31317) openai[patch]: support built-in code interpreter and remote MCP tools (#31304) core: Improve Runnable __or__ method typing annotations (#31273) core: support Union type args in strict mode of OpenAI function calling / structured output (#30971) core: Add ruff rules A (builtins shadowing) (#29312) langchain[patch]: Allow async indexing code to work for vectorstores that only defined sync delete (#30869) core: Add ruff rules RUF (#29353) core: release 0.3.60 (#31249) core: Add ruff rules SLF (#30666) perf[core]: remove unnecessary model validators (#31238) packaging[core]: bump min pydantic version (#31239) langchain-core[patch]: Incremental record manager deletion should be batched (#31206) perf[core]: remove generations summation from hot loop (#31231) perf[core]: remove costly async helpers for non-end event handlers (#31230) core: Fix some private member accesses (#30912) core: Fix issue 31035 alias fields in base tool langchain core (#31112) core: release 0.3.59 (#31150) fix(core): Permit OpenAI style blocks to be passed into convert_to_openai_messages (#31140) core: release 0.3.58 (#31099) core, openai[patch]: prefer provider-assigned IDs when aggregating message chunks (#31080) 0.3.57 (#31095) Enable run mutation (#31090) packaging: remove Python upper bound for langchain and co libs (#31025) core: release 0.3.56 (#31000) core: release 0.3.56rc1 (#30998) core[patch]: fix edge cases for _is_openai_data_block (#30997) feat(core): Autogenerate filenames for when converting file content blocks to OpenAI format (#30984) core, standard-tests: support PDF and audio input in Chat Completions format (#30979) core[patch]: update dict prompt template (#30967) core, openai: support standard multi-modal blocks in convert_to_openai_messages (#30968) core[patch]: release 0.3.55 (#30952) core: Make Graph.Node.data optional (#30943) core: Improve OutputParser error messaging when model output is truncated (max_tokens) (#30936) core[patch]: de-beta usage callback (#30928) core: release 0.3.54 (#30911) core[patch]: add retries and better messages to draw_mermaid_png (#30881) core[patch]: Raise AttributeError (instead of ModuleNotFoundError) in custom __getattr__ (#30905) core: release 0.3.53 (#30901) multiple: permit optional fields on multimodal content blocks (#30887) core: Removing unnecessary pydantic core schema rebuilds (#30848) core[fix]: Fix __dir__ in __init__.py for output_parsers module (#30856) core: Remove some noqa (#30855) core[fix]: remove load from dynamic imports dict (#30849) core: release 0.3.52 (#30850) Fix from langchain_core.load.load import load import (#30843) core[patch]: dict chat prompt template support (#25674) multiple: multi-modal content blocks (#30746) Tinkering with CodSpeed (#30824) Consistent docstring indentation (#30834) core[lint]: fix issue with unused ignore in __init__.py files (#30825) core[performance]: use custom __getattr__ in __init__.py files for lazy imports (#30769) core: Improve mypy config (#30737) core: Add ruff rules FBT001 and FBT002 (#30695) core[patch]: Share executor for async callbacks run in sync context (#30779) core[lint]: Use 3.9 formatting for docs and tests (#30780) core[lint]: Fix typing in test_async_callbacks (#30788) core: Specify code when ignoring type issue (ruff PGH003) (#30675) core[patch]: support customization of backoff parameters in with_retries (#30773) Async callback benchmark (#30777) [performance]: Use hard coded langchain-core version to avoid importlib import (#30744) Adding more import time benchmarks for langchain-core (#30770) core: Add ruff rules PLR (#30696) core: Add ruff rules ARG (#30732) [performance]: Adding benchmarks for common langchain-core imports (#30747) Clean up numpy dependencies and speed up 3.13 CI with numpy>=2.1.0 (#30714) core: Add ruff rules PYI (#29335) core: Add ruff rules PGH (except PGH003) (#30656) core: Fix handler removal in BaseCallbackManager (Fixes #30640) (#30659) core: Add ruff rules DTZ (#30657) core: Rework pydantic version checks (#30653) core: Add ruff rules TD and FIX (#30654) release: bump core to v0.3.51 (#30668) core[patch]: log information from certain errors (#30626) partners: Add Perplexity Chat Integration (#30618) core: Add ruff rules RET (#29384) core: 0.3.50 release (#30623) core: Add ruff rules for Pylint PLC (Convention) and PLE (Errors) (#29286) core: Propagate config_factories in RunnableBinding (#30603) core: Add ruff rule FBT003 (boolean-trap) (#29424) core: Add ruff rules PERF (#29375) core: Add ruff rules PT (pytest) (#29381) core: Add ruff rules S110 and S112 (#30599) core: Add ruff rules D (docstring) (#29406) core: Accept ALL ruff rules with exclusions (#30595) core[patch]: pydantic 2.11 compat (#30554) core: Fix test_stream_error_callback (#30228) core: Add ruff rules G, FA, INP, AIR and ISC (#29334) Include delayed inputs in langchain tracer (#30546) core[patch]: fix loss of partially initialized variables during prompt composition (#30096) core[patch]: specify default event loop scope in pyproject.toml (#30543) fix types Merge branch 'master' of github.com:xzq-xu/langchain into xzq-xu/master x Merge branch 'master' into master x core: Bump ruff version to 0.11 (#30519) core[patch]: stop deleting records with "scoped_full" when doc is empty (#30520) core[patch]: Add ruff rules for PLW (Pylint Warnings) (#29288) format test lint passed modify test name add a unit test core[patch]: release 0.3.49 (#30500) format import add a new-line remove unused e _prep_run_args，tool_input copy, Exception _prep_run_args，tool_input copy

Fix: Prevent run_manager from being added to state object

core[patch]: store model names on usage callback handler (#30487) core[patch]: mark usage callback handler as beta (#30486) core[patch]: Remove old accidental commit (#30483) core[patch]: add token counting callback handler (#30481) core[patch]: Fix handling of title when tool schema is specified manually via JSONSchema (#30479) docs[patch]: update trim_messages doc (#30462) core[patch]: release 0.3.48 (#30458) core: add tool_call exclusion in filter_message (#30289) docs[patch]: add warning to token counter docstring (#30426) core(mermaid): allow greater customization (#29939) core[patch]: optimize trim_messages (#30327) core[patch]: more tests for trim_messages (#30421) core: release 0.3.47 (#30396) multiple: enforce standards on tool_choice (#30372) core[patch]: release 0.3.46 (#30383) Dereference run tree (#30377) Unset context to None in var (#30380) Unset context after step (#30378) core[patch]: add util for approximate token counting (#30373) Rm test for parent_run presence (#30356) core: release 0.3.45 (#30277) fix(core): Ignore missing secrets on deserialization (#30252) openai[patch]: support Responses API (#30231) core[patch]: release 0.3.44 (#30236) core[patch]: support single-node subgraphs and put subgraph nodes under the respective subgraphs (#30234) Flush (#30157) core[patch]: release 0.3.43 (#30173) core[patch]: catch structured_output_format (#30172) core[patch]: export ArgsSchema (#30169) core[patch]: release 0.3.42 (#30163) core[patch]: update structured output tracing (#30123) core, openai, standard-tests: improve OpenAI compatibility with Anthropic content blocks (#30128) core(mermaid): fix error when 3+ subgraph levels (#29970) core[patch]: release 0.3.41 (#30100) [Doc] Improve api doc (#30073) core: make with_alisteners() example workable. (#30059) core: Add ruff rules PTH (pathlib) (#29338) core[patch]: Fix FileCallbackHandler name resolution, Fixes #29941 (#29942) core: Add ruff rules TC (#29268) core[patch]: version 0.3.40 (#29997) core[patch]: allow passing description to @tool decorator (#29976) docs[patch]: update disable_streaming docstring (#29968) core[patch]: release 0.3.39 (#29966) core[patch]: pydantic 2.11 compat (#29963) core[patch]: release 0.3.38 (#29962) core, openai[patch]: support serialization of pydantic models in messages (#29940) core: Add ruff rules ANN (type annotations) (#29271) core[patch]: dont deep copy merge_message_runs (#28454) core[patch]: return ToolMessage from tools when tool call ID is empty string (#29921) core: add sambanova chat models to load module mapping (#29855) core[patch]: set version="v2" as default in astream_events (#29894) core[patch]: release 0.3.37 (#29895) core[patch]: de-beta rate limiters (#29891) core: basemessage.text() (#29078) core: release 0.3.36 (#29869) core[patch]: allow passing JSON schema as args_schema to tools (#29812) all: Bump blockbuster version to 1.5.18 (#29806) multiple: fix uv path deps (#29790) core : update the class docs of InMemoryVectorStore in in_memory.py (#29781) core[patch]: release 0.3.35 (#29764) core: Fix output of convert_messages when called with BaseMessage.model_dump() (#29763) core: Make abatch_as_completed respect max_concurrency (#29426) Core: Fix add for concatting two BaseMessageChunk's (#29531) core: Handle unterminated escape character when parsing partial JSON (#29065) core: release 0.3.34 (#29644) infra: migrate to uv (#29566) core: allow passing message dicts into ChatPromptTemplate (#29363) Drop duplicate inputs (#29589) core[patch]: Use Blockbuster to detect blocking calls in asyncio during tests (#29043) core: release 0.3.33 (#29483) multiple: structured output tracing standard metadata (#29421) docs:Fix Imports for Document and BaseRetriever (#29473) core: release 0.3.32 (#29450) change behavior for converting a string to openai messages (#29446) core: Add ruff rules TRY (tryceratops) (#29388) core: Cache RunnableLambda repr (#29199) core: Cache RunnableLambda deps (#29200) core[patch]: fix API reference for draw_ascii (#29370) core: Bump ruff version to 0.9 (#29201) core: Auto-fix some docstrings (#29337) core: fix call to get closure vars for partial-wrapped funcs (#29316) core[patch]: 0.3.31 (#29320) core: Add ruff rule S101 (no assert) (#29267) core: Add ruff rule W293 (whitespaces) (#29272) core[patch]: release 0.3.30 (#29256) core: Add support for calls in get_function_nonlocals (#29255) DOC: Improve human input prompt in FewShotChatMessagePromptTemplate example (#29023) core: allow artifact in create_retriever_tool (#28903) core[patch]: release 0.3.29 (#29017) core[patch]: substantially speed up @deprecated (#29016) core[patch]: remove deprecated functions from tool binding hotpath (#29015) core[patch]: fix deprecation admonition in API ref (#28992) (Core) Small Change in Docstring for method partial for BasePromptTemplate (#28969) infra: speed up unit tests (#28974) core,anthropic[patch]: fix with_structured_output typing (#28950) core[patch]: remove redundant imports (#28861) core[patch]: release 0.3.28 (#28837) core: dont mutate tool_kwargs during tool run (#28824) fix crash when using create_xml_agent with parameterless function as … (#26002) core: typo Utilities for tests. -> Utilities for pydantic. (#28814) core: typo in runnable (#28815) core[patch]: Release 0.3.27 (#28799) core[patch], openai[patch]: Handle OpenAI developer msg (#28794) [Core] respect tracing project name cvar (#28792) core: release 0.3.26 (#28793) refactor: improve docstring parsing logic for Google style (#28730) core[patch]: export InjectedToolCallId (#28772) core: add kwargs support to VectorStore (#25934) core: xml output parser tags docstring (#28745) core: release 0.3.25 (#28718) core[patch]: throw exception indexing code if deletion fails in vectorstore (#28103) core[minor]: add new clean up strategy "scoped_full" to indexing (#28505) core[patch]: Update error message in indexing code for unreachable code assertion (#28712) core[patch]: Reverts PR #25754 and add unit tests (#28702) core[patch]: Release 0.3.24 (#28656) core,langchain,community[patch]: allow langsmith 0.2 (#28598) core[patch]: Release 0.3.23 (#28648) core[patch]: return ToolMessage from tool (#28605) core: deprecate PipelinePromptTemplate (#28644) Core: google docstring parsing fix (#28404) [Core]: Small Docstring Clarification for BaseTool (#28148) core[patch]: Fixed trim functions, and added corresponding unit test for the solved issue (#28429) core: fix path test (#28584) multiple: combine sync/async vector store standard test suites (#28580) core[patch]: Release 0.3.22 (#28582) core, tests: more tolerant _aget_relevant_documents function (#28462) core: deprecation doc removal (#28553) docs: more api ref links, add linting step to prevent more (#28495) fix: Handle response metadata in merge_messages_runs (#28453) core[patch]: release 0.3.21 (#28314) core[patch]: Compat pydantic 2.10 (#28308) core[patch]: release 0.3.20 (#28293) core[patch]: support final AIMessage responses in tool_example_to_messages (#28267) core: add space at end of error message link (#28270) core[minor]: Add other langgraph packages to sys_info (#28190) standard-tests: rename langchain_standard_tests to langchain_tests, release 0.3.2 (#28203) multiple: langchain-standard-tests -> langchain-tests (#28139) core: release 0.3.19 (#28137) core[patch]: add caching to get_function_nonlocals (#28131) core[patch]: support numpy 2 (#27991) core: release 0.3.18 (#28070) core: added DeleteResponse to the module (#28069) core[patch]: Update doc-strings in callbacks (#28073) partners: add xAI chat integration (#28032) core[patch]: release 0.3.17 (#28060) anthropic[major]: support python 3.13 (#27916) core[patch]: Release 0.3.16 (#28045) docs: new stack diagram (#27972) langchain_core: add file_type option to make file type default as png (#27855) docs: fix trim_messages docstring (#27948) core[patch]: make oai tool description optional (#27756) core: fix CommaSeparatedListOutputParser to handle columns that may contain commas in it (#26365) langchain[patch]: Add warning in react agent (#26980) core: use friendlier names for duplicated nodes in mermaid output (#27747) core[patch]: update image util err msg (#27803) core[patch]: Release 0.3.15 (#27802) core[patch]: rm image loading (#27797) Improvement [docs] Improve api docs (#27787) core[patch]: Release 0.3.14 (#27764) core[patch]: make get_all_basemodel_annotations public (#27761) core[patch]: support bedrock converse -> openai tool (#27754) Support message trimming on single messages (#27729) core: JsonOutputParser UTF characters bug (#27306) core[patch]: Improve type checking for the tool decorator (#27460) core: test runner improvements (#27654) core[patch]: improve performance of InMemoryVectorStore (#27538) all: test 3.13 ci (#27197) core[patch]: Release 0.3.13 (#27651) core: remove mustache in extended deps (#27629) core: add flake8-bandit (S) ruff rules to core (#27368) core[patch]: fix repr and str for Serializable (#26786) core[patch]: convert_to_openai_tool Anthropic support (#27591) core: fix Image prompt template hardcoded template format (#27495) core: release 0.3.12 (#27410) docs, core: error messaging [wip] (#27397) core[patch]: 0.3.11 release (#27403) core[patch]: add convert_to_openai_messages util (#27263) multiple: rely on asyncio_mode auto in tests (#27200) core[patch]: Ignore ASYNC110 to upgrade to newest ruff version (#27229) core[patch],langchain[patch],community[patch]: Bump version dependency of tenacity to >=8.1.0,!=8.4.0,<10 (#27201) core: release 0.3.10 (#27209) core[patch]: utils for adding/subtracting usage metadata (#27203) core[patch]: support ValidationError from pydantic v1 in tools (#27194) core: Add various ruff rules (#26836) core: update make format to fix all autofixable things (#27174) core: Add ruff rules for error messages (EM) (#26965) core[minor]: Improve support for id in VectorStore (#26660) core[patch]: Update AsyncCallbackManager to honor run_inline attribute and prevent context loss (#26885) core[minor]: add **kwargs to index and aindex functions for custom vector_field support (#26998) core[patch]: correct typo doc-string for astream_events method (#27108) core[patch]: Release 0.3.9 (#27117) core,integrations[minor]: Dont error on fields in model_kwargs (#27110) core: fix batch race condition in FakeListChatModel (#26924) core[patch]: exclude model cache from ser (#27086) core[patch]: add UsageMetadata details (#27072) core[patch]: Release 0.3.8 (#27046) core[patch]: Support injected tool args that are arbitrary types (#27045) core[patch]: fix init of RunnableAssign (#26903) multiple: update docs urls to latest 2 (#26837) core[patch]: improve index/aindex api when batch_size<n_docs (#25754) core[patch]: Add kwargs to Runnable (#27008) Merge pull request #26794 core[patch]: Release 0.3.7 (#27004) core[patch]: fix structured prompt template format (#27003) core: Add ruff rules for pycodestyle Warning (W) (#26964) core[patch]: Add ruff rules for flake8-simplify (SIM) (#26848) docs: Upgrade examples with RunnableWithMessageHistory to langgraph memory (#26855) core: Add ruff rules for PIE (#26939) core[fix]: using async rate limiter methods in async code (#26914) core: Fix IndexError when trim_messages invoked with empty list (#26896) core: release 0.3.6 (#26863) core: Add ruff rules for comprehensions (C4) (#26829) [Core] Add more interops tests (#26841) [Core] Inherit tracing metadata & tags (#26838) core: Run LangChainTracer inline (#26797) core[patch]: On Chain Start Fix for Chain Class (#26593) core[patch]: set default on Blob (#26787) core: release 0.3.5 (#26737) [LangChainTracer] Omit Chunk (#26602) [Tracer] add project name to run from tracer (#26736) core: fix "template" not allowed as prompt param (#26060) core: release 0.3.4 (#26729) core: In astream_events propagate cancellation reason to inner task (#26727) core: release 0.3.3 (#26713) core[patch]: Fix defusedxml import (#26718) core/langchain: fix version used in deprecation (#26724) core[patch],langchain[patch]: deprecate memory and entity abstractions and implementations (#26717) Avoid copying runs (#26689) core[patch]: support js chat model namespaces (#26688) core[patch]: Release 0.3.2 (#26686) core[patch]: Fix load of ChatBedrock (#26679) core[patch]: support load from path for default namespaces (#26675) core, community: move graph vectorstores to community (#26678) core: Add N(naming) ruff rules (#25362) core: use ruff.target-version instead (#26634) core: remove [project] tag from pyproject (#26633) core: Put Python version as a project requirement so it is considered by ruff (#26608) core[patch]: Add ruff rule UP006(use PEP585 annotations) (#26574) docs: pypi readme image links (#26590) core,openai,grow,fw[patch]: deprecate bind_functions, update chat mod… (#26584) core[patch]: Release 0.3.1 (#26581) core[patch]: Fix "argument of type 'NoneType' is not iterable" error in LangChainTracer (#26576) core[minor]: remove beta from RemoveMessage (#26579) core: release 0.3.0 (#26453) multiple: pydantic 2 compatibility, v0.3 (#26443) core[patch]: Release 0.2.40 (#26435) core: add additional import mappings to loads (#26406) core[patch]: fix empty OpenAI tools when strict=True (#26287) core[patch]: fix regression in convert_to_openai_tool with instances of Tool (#26327) core[patch]: Support non ASCII characters in tool output if user doesn't output string (#26319) Keyword-like runnable config (#26295) core[patch]: Release 0.2.39 (#26279) core[minor]: Remove serialized manifest from tracing requests for non-llm runs (#26270) core[patch]: wrap mermaid node names w/ markdown in <p> tag (#26235) core[patch]: fix edge labels for mermaid graphs (#26201) infra: Clear cache for env-var checks (#26073) fmt fmt core[patch]: Release 0.2.38 (#25974) core[minor]: Add support for multiple env keys for secrets_from_env (#25971) docs: fix bullet list spacing (#25950) core[patch]: support additional kwargs on StructuredPrompt (#25645) core: Include global variables in variables found by get_function_nonlocals (#25936) core[patch]: handle serializable fields that cant be converted to bool (#25903) community[patch], docs: Add API reference doc for GraphVectorStore (#25751) core[patch]: Release 0.2.37 (#25900) core[patch]: dont mutate merged lists/dicts (#25858) core: prompt variable error msg (#25787) core: release 0.2.36 (#25819) core[patch]: Add B(bugbear) ruff rules (#25520) docs: improve docs for InMemoryVectorStore (#25786) core[patch]: Release 0.2.35 (#25729) all: Improve make lint command (#25344) infra: reenable min version testing 2, ci ignore ai21 (#25709) core[patch]: Fix type for inner input in base prompts (#25713) partners: Use simsimd types (#25299) core[patch]: mmr util (#25689) core: pydantic output parser streaming fix (#24415) core[patch]: Add _api.rename_parameter to support renaming of parameters in functions (#25101) core[patch]: add additionalProperties recursively to oai function if strict (#25169) infra: xfail pydantic v2 arg to py function (#25686) core[patch]: Add UP(upgrade) ruff rules (#25358) core[patch]: Remove different parent run id warning (#25683) core[patch]: support drawing nested subgraphs in draw_mermaid (#25581) core[patch]: add option to specify the chunk separator in merge_message_runs (#24783) Fix UnionType type var replacement (#25566) core[patch]: Improve some error messages and add another test for checking RunnableWithMessageHistory (#25209) infra: test convert_message (#25632) core[patch]: Release 0.2.34 (#25622) core[patch]: support oai dicts as messages (#25621) core: fix fallback context overwriting (#25550) core[minor]: add langsmith document loader (#25493) core[patch]: Allow bound models as token_counter in trim_messages (#25563) core,community: add beta decorator to missed GraphVectorStore extensions (#25562) infra: test chat prompt ser/des (#25557) core[patch]: Release 0.2.33 (#25498) core, partners: implement standard tracing params for LLMs (#25410) core[minor], anthropic[patch]: Upgrade @root_validator usage to be consistent with pydantic 2 (#25457) fireworks[patch]: Upgrade @root_validators to be pydantic 2 compliant (#25443) Merge support for group manager (#25360) core[patch]: Release 0.2.32 (#25420) core[patch]: tool import fix (#25419) core[patch]: Release 0.2.31 (#25388) core: fix issue#24660, slove error messages about ValueError when use model with history (#25183) docs: udpated api reference (#25172) core[minor]: Prevent PydanticOutputParser from encoding schema as ASCII (#25386) multiple: update removal targets (#25361) core: release 0.2.30 (#25321) core[patch]: Update API reference for fake embeddings (#25313) core[patch]: add standard tracing params for retrievers (#25240) docs: update numbering of items in docstring (#25267) core[patch]: Deprecating beta upsert APIs in vectorstore (#25069) community[patch],core[patch]: Update EdenaiTool root_validator and add unit test in core (#25233) core[patch]: use time.monotonic() instead time.time() in InMemoryRateLimiter core[patch]: fix deprecation pydantic bug (#25204) core[minor]: Add factory for looking up secrets from the env (#25198) core: autodetect more ls params (#25044) core[minor]: Add from_env utility (#25189) core[patch]: Add pydantic get_fields adapter (#25187) core[patch]: Fix aindex API (#25155) core[patch]: Add unit tests for Serializable (#25152) core[patch]: support Field deprecation (#25004) core[patch]: check for model_fields attribute (#25108) core[patch]: Release 0.2.29 (#25126) core[patch]: base language model disable_streaming (#25070) core[patch]: Relax rate limit unit tests in terms of timing (#25140) core[patch]: Sort Config attributes (#25127) core[patch]: Release 0.2.29rc1 (#25115) core[patch], openai[patch]: enable strict tool calling (#25111) core[minor]: Add support for DocumentIndex in the index api (#25100) Set Context in RunnableSequence & RunnableParallel (#25073) docs: runnable docstring space (#25106) core[patch]: Include dependencies in sys_info (#25076) docs: update numbering of items in method docs (#25093) core[patch]: Remove default BaseModel init docstring (#25009) core[patch]: Add pydantic metadata to subset model (#25032) docs: change for optional variables in chatprompt (#25017) core[patch]: exclude special pydantic init params (#25084) core[patch]: Relax time constraints on rate limit test (#25071) core[minor]: Introduce DocumentIndex abstraction (#25062) docs: show beta directive (#25013) docs: fix kwargs docstring (#25010) docs: show deprecation warning first in api ref (#25001) core[patch]: Release 0.2.28 (#25000) core[patch]: merge message runs nit (#24997) core[patch]: Release 0.2.27 (#24952) core[patch]: Fix tool args schema inherited field parsing (#24936) core: docstrings BaseCallbackHandler update (#24948) core[patch]: runnable config ensure_config deep copy from var_child_runnable… (#24862) core[patch]: In unit tests, use schema()instead of BaseModel.schema() (#24930) core[patch]: stringify tool non-content blocks (#24626) core[minor]: Add support for pydantic 2 to utility to get fields (#24899) core[patch]: Release 0.2.26 (#24898) core[patch]: Update unit tests with a workaround for using AnyID in pydantic 2 (#24892) core[patch], integrations[patch]: convert TypedDict to tool schema support (#24641) core: release 0.2.25 (#24833) core: Fix implementation of trim_first_node/trim_last_node to use exact same definition of first/last node as in the getter methods (#24802) core[patch]: introduce ToolMessage.status (#24628) core[patch]: support tool calls with non-pickleable args in tools (#24741) core[patch]: Respect injected in bound fns (#24733) core: use mypy<1.11 (#24749) Add type() in error msg (#24723) core[patch]: Correct doc-string for InMemoryRateLimiter (#24730) core[patch]: Release 0.2.24 (#24722) core[patch]: ChatPromptTemplate.init same as ChatPromptTemplate.from_… (#24486) core[minor]: Add BaseModel.rate_limiter, RateLimiter abstraction and in-memory implementation (#24669) core: Don't draw None edge labels (#24690) core[patch]: fix mutating tool calls (#24677) core[minor]: Support asynchronous in InMemoryVectorStore (#24472) core[minor]: Add InMemoryRateLimiter (#21992) core[patch]: add to RunnableLambda docstring (#24575) core[patch]: Release 0.2.23 (#24557) core[patch]: Fix word spelling error inglobals.py(#24532) core[patch]: merge_content fix (#24526) community[minor]: add document transformer for extracting links (#24186) all: add release notes to pypi (#24519) core[patch]: don't serialize BasePromptTemplate.input_types (#24516) core,groq,openai,mistralai,robocorp,fireworks,anthropic[patch]: Update BaseModel subclass and instance checks to handle both v1 and proper namespaces (#24417) core[patch]: enable RunnableWithMessageHistory without config (#23775) core[patch]: Accept configurable keys top-level (#23806) core[patch]: ensureiteratorin scope foratransform_stream_with_configexcept (#24454) core[minor]: Relax constraints on type checking for tools and parsers (#24459) core[patch]: Fix utils.json_schema.dereference_refs (#24335 KeyError: 400 in JSON schema processing) (#24337) core[patch]: Release 0.2.22 (#24423) core[patch]: core lint fix (#24447) core: In ensure_config don't copy dunder configurable keys to metadata (#24420) standard-tests[patch]: Add pytest assert rewrites (#24408) core[minor]: Support all versions of pydantic base model in argsschema (#24418) core[patch]: Update API reference for astream events (#24359) core[patch]: Release 0.2.21 (#24372) core[patch]: add InjectedToolArg annotation (#24279) core[patch]: Fix regression requiring input_variables in few chat prompt templates (#24360) core[patch]: Fix one unit test for chat prompt template (#24362) core[patch]: Release 0.2.20 (#24322) Docs: Add how to dispatch custom callback events (#24278) core: docstringsvectorstoresupdate (#24281) core[patch]: fix Typing.cast import (#24313) core: docstringsdocuments(#23506) core[patch]: Add encoding options when create prompt template from a file (#24054) core[patch]: docstringslangchain_core/files update (#24285) core[patch]: Update typing for template format to include jinja2 as a Literal (#24144) core[patch]: allow message utils to work with lcel (#23743) docs: Spell check fixes (#24217) core docstringstracersupdate (#24211) core: docstringsutilsupdate (#24213) core[patch]: Release 0.2.19 (#24272) core[patch]: support passingargs_schemathroughas_tool(#24269) langchain[minor]: Generic configurable model (#23419) core[patch]: add tool name to tool message (#24243) core[patch]: Release 0.2.18 (#24230) core[patch]: fix ToolCall "type" when streaming (#24218) core[patch]: Mark GraphVectorStore as beta (#24195) core[patch]: Release 0.2.17 (#24189) core[minor]: rename ToolMessage.raw_output -> artifact (#24185) core[patch]: docstringsrunnablesupdate (#24161) core: release 0.2.16 (#24159) core: Remove extra newline (#24157) core[patch]: Tool accept RunnableConfig (#24143) core[minor], integrations...[patch]: Support ToolCall as Tool input and ToolMessage as Tool output (#24038) core[patch]: Release 0.2.15 (#24149) core[patch]: Update styles for mermaid graphs (#24147) core[patch]: propagateparse_docstringto tool decorator (#24123) core[patch]: Clean up indexing test code (#24139) core[patch]: add versionadded toas_tool(#24138) core: release 0.2.14, remove poetry 1.7 incompatible flag from root (#24137) core: Add metadata to graph json repr (#24131) core: fix docstring (#24129) core: mermaid: Render metadata key-value pairs when drawing mermaid graph (#24103) core[minor]: Add dispatching for custom events (#24080) core: release 0.2.13 (#24096) core[patch]: support conversion of runnables to tools (#23992) core[minor]: Add ToolMessage.raw_output (#23994) [Core] Fix fstring in logger warning (#24043) core: Speed up json parse for large strings (#24036) core: Move json parsing in base chat model / output parser to bg thread (#24031) core: release 0.2.12 (#23991) core[minor],community[patch],standard-tests[patch]: Move InMemoryImplementation to langchain-core (#23986) core[minor],community[minor]: Upgrade all @root_validator() to @pre_init (#23841) core[patch]: Use InMemoryChatMessageHistory in unit tests (#23916) core[patch]: Clarify upsert response semantics (#23921) core[patch]: Add comment to clarify aadd_documents (#23920) core, anthropic[patch]: support streaming tool calls when function has no arguments (#23915) core[minor]: Add Graph Store component (#23092) core: docstringsload(#23787) core[minor]: add upsert, streaming_upsert, aupsert, astreaming_upsert methods to the VectorStore abstraction (#23774) core[patch]: Fix typo in docstring (graphm -> graph) (#23910) core: docstringsoutputs(#23889) core: docstringsprompts(#23890) core[patch]: Accounting for Optional Input Variables in BasePromptTemplate (#22851) core[patch]: Fix logic in BaseChatModel that processes the llm string that is used as a key for caching chat models responses (#23842) core[minor]: update conversion utils to handle RemoveMessage (#23840) core[patch]: Speed up unit tests for imports (#23837) core[patch]: extract input variables forpathanddetailkeys in order to format anImagePromptTemplate(#22613) core[patch]: docstringsoutput_parsers(#23825) infra: update mypy 1.10, ruff 0.5 (#23721) [Core] Unify function schema parsing (#23370) core: docstringsindexing(#23785) core: docstringsmessages(#23788) core[patch]: Release 0.2.11 (#23780) core[patch]: mark RemoveMessage beta (#23656) core[patch]: fix nested sections for mustache templating (#23747) core[patch]: Add versionadded to get_by_ids (#23728) core[minor]: Create BaseMedia object (#23639) core[patch]: use async messages where possible (#23718) core[minor]: Add maxsize for InMemoryCache (#23405) core[patch]: Fix llm string representation for serializable models (#23416) core: fix NameError (#23658) core[minor]: Add get_by_ids to vectorstore interface (#23594) core: add RemoveMessage (#23636) docs[patch]: Update diagrams (#23613) core:chat*docstrings (#23412) core[patch]: Add unit test when catching generator exit (#23402) core[minor]: Add optional ID field to Document schema (#23411) docs[patch]: Update docs introduction and README (#23558) core[patch]: docstringsagents(#23502) core[patch]:callbacksdocstrings (#23375) core: docstringsexample_selectors(#23542) core[patch]: use args_schema doc for tool description (#23503) core: release 0.2.10 (#23420) [docs]: split up tool docs (#22919) [Core] Logging: Suppress missing parent warning (#23363) core[patch]: export tool output parsers from langchain_core.output_parsers (#23305) core[patch]: Add unit test for str and repr for Document (#23414) Merge pull request #22662 [Core] Add support for inferring Annotated types (#23284) core[minor]: update draw_mermaid node label processing (#23285) docs: fix merge message runs docstring (#23279) docs: fix trim_messages code blocks (#23271) docs: fix message transformer docstrings (#23264) core[minor]: BaseChatModel with_structured_output implementation (#22859) core[patch]: fix no current event loop for sql history in async mode (#22933) core[patch]: set schema format for AsyncRootListenersTracer (#23214) docs: BaseChatModel key methods table (#23238) docs: fix chat model methods table (#23233) core[patch]: Fix doc-strings for code blocks (#23232) core[patch]: Add clarification about streaming to RunnableLambda (#23227) Fix return value type of dumpd (#20123) core(patch): Fix encoding problem of load_prompt method (#21559) core[minor]: Adds an in-memory implementation of RecordManager (#13200) core:Add optional max_messages to MessagePlaceholder (#16098) core[patch]: Document agent schema (#23194) core[patch]: Document messages namespace (#23154) core[patch]: Add doc-strings to outputs, fix @root_validator (#23190) core[patch[: add exceptions propagation test for astream_events v2 (#23159) core[patch]: fix chat history circular import (#23182) core[patch]: Add an example to the Document schema doc-string (#23131) core[patch]: update test to catch circular imports (#23172) core[patch]: Add documentation to load namespace (#23143) core[patch]: Add doc-string to document compressor (#23085) core[patch]: Expand documentation in the indexing namespace (#23134) core[patch]: Document embeddings namespace (#23132) core[patch]: Update documentation in LLM namespace (#23138) core[patch]: runnablewithchathistory from core.runnables (#23136) core[minor]: handle boolean data in draw_mermaid (#23135) core[patch]: Pin pydantic in py3.12.4 (#23130) docs: Fix URL formatting in deprecation warnings (#23075) core[minor]: Support multiple keys in get_from_dict_or_env (#23086) core[patch]: Release 0.2.9 (#23091) core[patch]: Document BaseStore (#23082) core[patch],community[patch],langchain[patch]:tenacitydependency to version>=8.1.0,<8.4.0(#22973) Include "no escape" and "inverted section" mustache vars in Prompt.input_variables and Prompt.input_schema (#22981) core[minor]: message transformer utils (#22752) core[patch]: Release 0.2.8 (#23012) core: run_in_executor: Wrap StopIteration in RuntimeError (#22997) core: release 0.2.7 (#22917) core: in astream_events v2 always await task even if already finished (#22916) core[patch]: Fix FunctionCallbackHandler._on_tool_end (#22908) core[patch]: fix validation of @deprecated decorator (#22513) core: release 0.2.6 (#22868) core[patch]: Treat type as a special field when merging lists (#22750) core: In astream_events v2 propagate cancel/break to the inner astream call (#22865) core[patch]: allowing latestpackagingversions (#22792) ci: add testing with Python 3.12 (#22813) core[patch]: Update remaining root_validators (#22829) core[patch]: update some root_validators (#22787) core: fix mustache falsy cases (#22747) core[patch]: Add missing type annotations (#22756) core: add error message for non-structured llm to StructuredPrompt (#22684) [Core] Unified Enable/Disable Tracing (#22576) multiple: get rid of pyproject extras (#22581) core[patch]: Release 0.2.5 (#22642) core[patch]: Correctly order parent ids in astream events (from root to immediate parent), add defensive check for cycles (#22637) core[minor]: Add parent_ids to astream_events API (#22563) core[minor]: Add an async root listener and with_alisteners method (#22151) core[patch]: Use explicit classes for InMemoryByteStore and InMemoryStore (#22608) docs: Fix description (#22611) docs: Fix typo (#22603) core[patch]: Improve VectorStore API doc (#22547) core[patch]: Add similarity_score_threshold to VectorStore search types (#22477) core[patch]: Deduplicate of callback handlers in merge_configs (#22478) core[patch]: Release 0.2.4 (#22489) core[patch]: bump langsmith (#22476) Use immutable sequence type for batch/batch_as_completed types (#22433) core[patch]: Fix VectorStore's as_retriever mutating tags param (#22470) core(patch):fix partial_variables not working with SystemMessagePromptTemplate (#20711) core[patch]: RFC: Allow concatenation of messages with multi part content (#22002) core: In BaseRetriever make get_relevant_docs delegate to invoke (#22434) core: In RunnableSequence pass kwargs to the first step (#22393) core[patch]: Release 0.2.3 (#22329) core[patch]: fix runnable history and add docs (#22283) [Core] Update Tracing Interops (#22318) core[patch]: Release 0.2.2 (#22289) core[patch]: allow access RunnableWithFallbacks.runnable attrs (#22139) core[patch]: AddTypeErrorhandler intoget_graphofRunnable(#19856) docs: fix some spelling mistakes caught by newest version of code spell (#22090) core: bump to 0.2.1rc (#22080) core, partners: add token usage attribute to AIMessage (#21944) infra: rm unused # noqa violations (#22049) core[patch]: Release 0.2.1 (#22003) core[patch]: Add unit test for RunnableGenerator for eventstream v2 (#21990) core[patch]: In astream_events(version=v2) tap output of root run (#21977) docs: set default anthropic model (#21988) core[patch]: Fix NPE in function_calling._get_python_function_required_args (#21863) Fix base.py typo (#21862) docs: lcel how to and cheatsheet (#21851) core: Tap output of sync iterators for astream_events (#21842) core[patch]: Check if event loop is closed in memory stream (#21841) core: release 0.2.0 (#21829) core, standard tests, partner packages: add test for model params (#21677) core[major]: only use function description (#21622) Finish agent migration doc (#21731) [Core] Check is async callable (#21714) core[minor]: Add v2 implementation of astream events (#21638) docs: update structured how to (#21679) core[patch]: Update mypy config (#21684) core[patch]: Add unit tests with some streaming scenarios (#21668) core[patch]: Add unit test to catch ordering (#21669) core[patch]: Fix typo in VectorStoreExampleSelector doc-string (#21574) multiple: core 0.2 nonbreaking dep, check_diff community->langchain dep (#21646) core[major]: AsyncCallbackManagerForToolRun no longer casts return object to string (#20374) core[patch]:Fix Incorrect listeners parameters for Runnable.with_listeners() and .map() (#20661) core: allow mermaid node labels to have any characters (#21385) core: release 0.1.52 (#21350) fix: core: Include in json output also fields set outside the constructor (#21342) core: release 0.1.51 (#21328) core[patch]:utils.guard_importfix (#21133) fix: core: draw_mermaid() would create subgroup for edges with same src and tgt (#21275) (all): update removal in deprecation warnings from 0.2 to 0.3 (#21265) core: release 0.1.50 (#21230) core: tracer: remove numeric execution order (#21220) core[patch]: Release 0.1.49 (#21211) core[patch]: Fixes for convert_messages (#21207) [Core] Tracing: update parent run_tree's child_runs (#21049) core: release 0.1.48 (#21113) core[minor],langchain[patch],community[patch]: Move storage interfaces to core (#20750) core: release 0.1.47 (#21094) [Patch] Dedent docstring (#20959) community[minor]: Add async methods to CassandraCache and CassandraSemanticCache (#20654) [Core] Feat Pretty Print Tool calls (#20997) core[patch[: docstring update (#21036) Ignore self/cls from required args of class functions in convert_to_openai_tool (#20691) Catch System Error in ast parse (#20961) core[patch]: Enhance link extraction with query parameters (#20259) core[minor], community[patch], langchain[patch]: move BaseChatLoader to core (#19607) core: fix batch ordering test (#20952) remove placeholder error message (#20340) Use lstv2 (#20747) core[patch]: improve comma separated list output parser to handle non-space separated list (#20434) core, community: deprecate tool.__call__ (#20900) core[minor], langchain[patch], community[patch]: mv StructuredQuery (#20849) core[patch]: Release 0.1.46 (#20891) [Core] Feat: update config CVar in tool.invoke (#20808) support messages in messages out (#20862) docs, multiple: de-beta with_structured_output (#20850) Better support for subgraphs in graph viz (#20840) core[minor],langchain[patch]: Move base indexing interface and logic to core (#20667) core[patch],community[patch]: Move file chat history back to community (#20834) core: use qualname in beta message (#20361) community[patch],core[minor]: Move in memory cache implementation to core (#20753) core[patch]: Remove autoupgrade to addable dict in Runnable/RunnableLambda/RunnablePassthrough transform (#20677) core[minor],langchain[patch],community[patch]: Move InMemory and File implementations of Chat History to core (#20752) core, openai: support custom token encoders (#20762) community[patch],core[minor]: Move BaseToolKit to core.tools (#20669) patch: deprecate (a)get_relevant_documents (#20477) core: release 0.1.45 (#20664) core[patch]: Fix runnable map ser/de (#20631) core: deprecation default to qualname (#20578) core: fix fireworks mapping (#20613) community, core[callbacks]: move FileCallbackHandler from community to core (#20495) docs: aws docs updates (#20571) core: fix attributeerror in runnablelambda.deps (#20569) core[patch]: Release 0.1.44 (#20564) anthropic[patch]: serialization in partner package (#18828) core: default chat/llm _identifying_params to lc_attributes (#20232) Runnable graph viz improvements (#20529) Fix getattr in runnable binding for cases where config is passed in as arg too (#20528) core[minor], langchain[patch]:toolsdependencies refactoring (#18759) community[minor]: Add glue catalog loader (#20220) core[patch]: Fix imports defined in messages sub-package (#20500) core: release 0.1.43 (#20489) core: forward config params to default (#20402) core: Add concept of conditional edge to graph rendering (#20480) Remove logic to exclude intermediate nodes from rendering time (#20459) Fix CDN URL in mermaid graph renderer (#20381) docs: Refine RunnablePassthrough docstring (#19812) community[patch]: update use of deprecated llm methods (#20393) core[patch]: configurable init params (#20070) core: bind_tools interface on basechatmodel (#20360) core[patch]: Update documentation for base retriever (#20345) docs: Update documentation for custom LLMs (#19972) core[patch]: Release 0.1.42 (#20332) mistral[patch]: add IDs to tool calls (#20299) core[patch]: For now remove user warning (#20321) core[patch]: fix ChatGeneration.text with content blocks (#20294) core[patch]: include tool_calls in ai msg chunk serialization (#20291) core: mustache prompt templates (#19980) update agents to use tool call messages (#20074) infra, multiple: rc release versions (#20252) core[patch]: Pre-release 0.1.42-rc.1 (#20248) core[minor], ...: add tool calls message (#18947) core[patch]: Release 0.1.41 (#20233) core[minor]: Implement aformat_messages for _StringImageMessagePromptTemplate (#20036) core[minor]: Implement aformat for FewShotPromptWithTemplates (#20039) [core] fix: manually specifying run_id for chat models.invoke() and .ainvoke() (#20082) langchain-core[minor]: Allow passing local cache to language models (#19331) core[patch]: Document BaseCache abstraction in code (#20046) core[minor]: Implement aformat_prompt and ainvoke in BasePromptTemplate (#20035) core[minor]: Add async aformat_document method (#20037) Merge pull request #20038 anthropic[minor]: tool use (#20016) core[minor]: support pydantic V2 for JSONOutputParser, allow for other sources of JSON schemas (#19716) core[minor]: Add aformat to FewShotPromptTemplate (#19652) core[patch]: mypy ignore fixes #17048 (#19931) core: fix try_load_from_hub for older langchain versions load_chain (#19964) core[minor]: Add aload to document loader (#19936) core: fix return of draw_mermaid_png and change to not save image by default (#19950) core[patch]: Release 0.1.39 (#19940) core: BaseChatModel modify chat message before passing to run_manager (#19939) core[patch]: remove requests (#19891) core[patch]: Release 0.1.38 (#19895) Core[major]: Base Tracer to propagate raw output from tool for on_tool_end (#18932) core: Assign missing message ids in BaseChatModel (#19863) core: Add docs for RunnableConfigurableFields (#19849) core: generate mermaid syntax and render visual graph (#19599) core[patch]: Release 0.1.37 (#19831) dont mutate metadata/tags (#19742) core[minor]: Add aformat_messages to FewShotChatMessagePromptTemplate and ChatPromptTemplate (#19648) core[patch]:: XML parser to cover the case when the xml only contains the root level tag (#17456) core[patch]: fix beta, deprecated typing (#18877) core[runnables]: docstring for class RunnableSerializable, method configurable_fields (#19722) core[runnables]: docstring of class RunnableSerializable, method configurable_alternatives (#19724) core[patch]: Fix jsonOutputParser fails if a json value contains ``` inside it. (#19717) core[patch], infra: release 0.1.36, run partner CI on core PRs (#19688) core: Two updates to chat model interface (#19684) core[patch]: ToolException docs/exception message (#17590) core[minor]: Add async methods to MaxMarginalRelevanceExampleSelector (#19639) core[minor]: support pydantic v2 models in PydanticOutputParser (#18811) docs: Improve docstring for Runnable bind method (#19659) core: Add async methods to LengthBasedExampleSelector (#19640) core[patch]: Release 0.1.35 (#19660) core[patch]: Patch XML vulnerability in XMLOutputParser (CVE-2024-1455) (#19653) core[patch]: XMLOutputParser fix to handle changes to xml standard library (#19612) docs: Update docstring for MessagesPlaceholder (#19601) core[patch]: Release 0.1.34 (#19609) load: Optionally disable reading secrets from env (#19596) core[patch]: Temporarily disable test for streaming xml parser (#19610) core[patch]: Reverting changes with defusedXML (#19604) core[patch]: Remove anyio dependency (#19583) core[minor]: Use BaseChatMessageHistory async methods in RunnableWithMessageHistory (#19565) core: Add async methods to BaseExampleSelector and SemanticSimilarityExampleSelector (#19399) core[minor]: Add default implementations to amax_marginal_relevance_search_by_vector and adelete (#19269) docs: Add in code documentation to core Runnable map methods (docs only) (#19517) core[patch]: fix xml output parser transform (#19530) core[runnables]: docstring for class runnable, method with_listeners() (#19515) core[patch]: Use defusedxml in XMLOutputParser (#19526) docs: docstring Runnablepipeandpickmethods (docs only) (#19395) core[minor]: Add utility code to create tool examples (#18602) core[patch]: allow "placeholder" type in from_messages tuples (#19152) core[patch]: Release 0.1.33 (#19348) [Feat] Accept non-dict if only 1 prompt input variable (#19156) core: Updated docstring for RunnablePick (#18832) core[patch]: Updatemessagesnamespace to fix API reference docs (#19161) core: Simplify astream logic in BaseChatModel and BaseLLM (#19332) core: implement a batch_size parameter for CacheBackedEmbeddings (#18070) code[patch]: Add in code documentation to core Runnable with_retry method (docs only) (#19192) core[patch]: Pass sync run manager for sync stream fallback in astream (#19280) core[patch]: Moveglobalsto a module instead of a package (non breaking change) (#19159) core[minor]: Enhance cache flexibility in BaseChatModel (#17386) core: update _rm_titles to account for title argument name bug (#19036) core: Updated docstring for Context class (#19079) core: Fix Exception handling in XMLOutputParser (#19126) [Enhancement] Add support for directly providing a run_id (#18990) core[patch]: Add LLM output to message response_metadata (#19158) core[minor]: moved fake llms and embeddings to core (#19226) docs: Add docs for RouterRunnable (#19191) docs: Add in code documentation to core Runnable with_fallbacks method (docs only) (#19104) core[minor]: allow LLMs async streaming to fallback on sync streaming (#18960) community, langchain, infra: revert store extended test deps outside of poetry (#19153) community, langchain, infra: store extended test deps outside of poetry (#18995) core[patch]: rc release 0.1.33-rc.1 (#19103) core[patch]: Change structured prompt lc id to match js (#19099) core[patch]: RunnablePassthrough transform to autoupgrade to AddableDict (#19051) code[patch]: Add in code documentation to core Runnable assign method (docs only) (#18951) core[patch]: Release 0.1.32 (#19088) core: Runnable pass kwargs to _astream_log_implementation in astream_log (#19055) Add new beta StructuredPrompt (#19080) core[minor]: Add Runnable.batch_as_completed (#17603) core[patch]: release 0.1.31 (#18989) core[patch]: fixed circular dependency with json schema (#18657) core[minor]: add streaming support to OAI tool parsers (#18940) core[minor]: generation info on msg (#18592) core[patch]: support labeled json schema as tools (#18935) core[patch]: move some attr/methods to BaseLanguageModel (#18936) core[major]: On Tool End Observation Casting Fix (#18798) core: add in-code docs for RunnableAssign class (#18826) core[patch]: fix arbitrary config keys (#18827) core[minor]: Chat Models to fallback astream to fallback on sync stream if available (#18748) core[minor]: add BaseMessage.response_metadata (#18699) core[patch]: improve PydanticOutputParser typing (#18740) core[patch]: Automatic upgrade to AddableDict in transform and atransform (#18743) Docs: Add custom parsing documentation and extending langchain (#18331) core: upgrade mypy to recent mypy (#18753) community: If load() has been overridden, use it in default lazy_load() (#18690) core[patch]: release 0.1.30 (#18706) core: Move document loader interfaces to core (#17723) core[patch]: deprecate hwchase17/langchain-hub, address path traversal (#18600) core[patch]: Release 0.1.29 (#18530) infra: fake model invoke callback prior to yielding token (#18286) docs:runnablemodule description (#17966) Fix missing labels (#18356) [Core] Patch: rm dumpd of outputs from runnables/base (#18295) multiple[patch]: fix deprecation versions (#18349) core[patch]: deprecation docstring with lib (#18350) core[patch]: Release 0.1.28 (#18341) Add PNG drawer for Runnable.get_graph() (#18239) Remove check preventing passing non-declared config keys (#18276) docs: deprecation of OpenAI functions agent, astream_events docstring (#18164) core[patch]: Release 0.1.27 (#18159) core[minor]: move document compressor base (#17910) core[patch]: support JS message serial namespaces (#18151) langchain[patch], core[patch], openai[patch], fireworks[minor]: ChatFireworks.with_structured_output (#18078) core[patch], langchain[patch], templates: move openai functions parsers to core (#18060) Improve runnable generator error messages (#18142) Fix bug with using configurable_fields after configurable_alternatives (#18139) Add BaseMessage.id (#17835) core[patch]: Runnable with message history to use add_messages (#17958) core[patch]: Release 0.1.26 (#17990) docs, templates: update schema imports to core (#17885) core[minor], openai[minor], langchain[patch]: BaseLanguageModel.with_structured_output #17302) docs: modules descriptions (#17844) core: fix .bind when used with RunnableLambda async methods (#17739) core[patch]: Release 0.1.25 (#17833) Add JSON representation of runnable graph to serialized representation (#17745) Docs: Add custom chat model documenation (#17595) Cache calls to create_model for get_input_schema and get_output_schema (#17755) core[patch]: Release 0.1.24 (#17744) docs: Fix bug that caused the word "Beta" to appear twice in doc-strings (#17704) core[patch], community[patch], langchain[patch], experimental[patch], robocorp[patch]: bump LangSmith 0.1.* (#17567) docs: Fix bug that caused the word "Deprecated" to appear twice in doc-strings (#17615) core[minor]: add name to basemessage (#17539) langchain.core : Use shallow copy for schema manipulation in JsonOutputParser.get_format_instructions (#17162) core[patch]: Release 0.1.23 (#17479) core: improve None value processing in merge_dicts() (#17462) core[patch]: Support .yml extension for YAML (#16783) infra: unit testingcheck_package_version(#16825) core[patch]: Replace memory stream implementation used by LogStreamCallbackHandler (#17185) Support serialization when inputs/outputs contain generators (#17338) infra: add print rule to ruff (#16221) infra, multiple: Upgrade configuration for Ruff v0.2.0 (#16905) core[patch]: docstring update (#16813) core[patch]: Add unit test to cover different streaming format for json parsing (#17063) core[patch]: Release 0.1.22 (#17274) [Langchain_core]: Added Docstring for RunnableConfigurableAlternatives (#17263) langchain[minor], core[minor]: update json, pydantic parser. add openai-json structured output runnable (#16914) langchain[minor], community[minor], core[minor]: Async Cache support and AsyncRedisCache (#15817) Fix stream events/log with some kinds of non addable output (#17205) core[patch]: Release 0.1.21 (#17202) core[patch], community[patch]: link extraction continue on failure (#17200) core[patch]: Release 0.1.20 (#17194) core[minor]: Use batched tracing in sdk (#16305) Add trace_as_chain_group metadata (#17187) core[patch]: Release 0.1.19 (#17117) core[patch]: Add astream events config test (#17055) Add prompt metadata + tags (#17054) docs: update parse_partial_json source info (#17036) Fix condition on custom root type in runnable history (#17017) Shield callback methods from cancellation: Fix interrupted runs marked as pending forever (#17010) infra: add -p to mkdir in lint steps (#17013) core[patch]: Add langsmith to printed sys information (#16899) Add async methods to BaseChatMessageHistory and BaseMemory (#16728) core[patch]: Fixed bug in dict to message conversion. (#17023) core[patch]: handle some optional cases in tools (#16954) core[patch]: Add doc-string to RunnableEach (#16892) core[patch]: doc init positional args (#16854) core[patch]: Message content as positional arg (#16921) core[patch]: fix chat prompt partial messages placeholder var (#16918) core[minor]: add validation error handler toBaseTool(#14007) core[patch]: Remove deep copying of run prior to submitting it to LangChain Tracing (#16904) core[patch]: Hide aliases when serializing (#16888) Fix loading of ImagePromptTemplate (#16868) core[patch]: Release 0.1.18 (#16870) Add async methods to BaseStore (#16669) core(minor): Add bulk add messages to BaseChatMessageHistory interface (#15709) docs: Update doc-string in base callback managers (#15885) Fix Dep Recommendation (#16793) docs: add csv use case (#16756) core[patch]: preserve inspect.iscoroutinefunction with @beta decorator (#16440) core[patch]: Release 0.1.17 (#16737) core: expand docstring for RunnableGenerator (#16672) Core: fix Anthropic json issue in streaming (#16670) core[minor]: Image prompt template (#14263) In stream_event and stream_log handle closed streams (#16661) Accept message-like things in Chat models, LLMs and MessagesPlaceholder (#16418) core: expand docstring for RunnableParallel (#16600) docs: Update in code documentation for runnable with message history (#16585) core[patch]: Release 0.1.16 (#16589) core[patch], community[patch], openai[patch]: consolidate openai tool… (#16485) core[patch]: passthrough BaseRetriever.invoke(**kwargs) (#16551) core[patch]: consolidate conditional in BaseTool (#16530) Remove double line (#16426) core[patch]: Release 0.1.15 (#16473) Core[Patch] Parse tool input after on_start (#16430) core[patch] Do not try to access attribute of None (#16321) core[patch]: Fix f-string formatting in error message for configurable_fields (#16411) infra: absoluteEXAMPLE_DIRpath in core unit tests (#16325) multiple: update langsmith dep (#16407) core[patch]: preserve inspect.iscoroutinefunction with @deprecated decorator (#16295) core[patch]: Release 0.1.14 (#16382) core[patch], community[patch], langchain[patch], docs: Update SQL chains/agents/docs (#16168) core[patch]: Removeprintstatement on missinggrandalfdependency in favor of more explicit ImportError (#16326) Docs: Update README.md in core (#16329) core[patch]: Update sys info information (#16297) core[patch] Fix tracer output of streamed runs with non-addable output (#16324) core[patch]: simple fallback streaming (#16055) astream_events: Add version parameter while method is in beta (#16290) core[patch]: Release 0.1.13 (#16287) core[patch], openai[patch]: Chat openai stream logprobs (#16218) core[minor]: RFC Add astream_events to Runnables (#16172) Use env for revision id if not passed in as param; usegit describeas backup (#16227) core[patch]: testing add chat model for unit-tests (#16209) Update readme (#16160) core[patch]: Release 0.1.12 (#16161) core[patch]: support old core namespaces (#16155) docs: in RunnableRetry, correct the example snippet that uses with_retry method on Runnable (#16108) google-vertexai[minor]: add function calling on VertexAI (#15822) core[patch]: Release 0.1.11 (#16100) core[patch]: pass exceptions to fallbacks (#16048) core[patch]: simple prompt pretty printing (#15968) Batch update of alt text and title attributes for images in md/mdx files across repo (#15357) stop making copies of inputs (#15926) Passthrough configurable primitive values as tracer metadata (#15915) core[patch]: release 0.1.10 (#15911) add old serializable mapping (#15906) core[patch]: release 0.1.9 (#15794) core[patch]: add alternative_import to deprecated (#15781) core(minor): Add a way to print out system information for debugging purposes. (#15718) core[patch]: Release 0.1.8 (#15677) Do not issue beta or deprecation warnings on internal calls (#15641) Populate streamed_output for all runs handled by atransform_stream_with_config (#15599) docs: langchain-openai (#15513) core[patch]: deprecate v1 tracer (#15608) core[patch]: Release 0.1.7 (#15610) openai[minor]: implement langchain-openai package (#15503) core[patch], community[patch]: mark runnable context, lc load as beta (#15603) core[patch]: add beta decorator (#15589) core[minor], langchain[minor]: deprecate old Chain and LLM methods (#15499) core[patch]: Further restrict recursive URL loader (#15559) core[patch]: Release 0.1.6 (#15547) core[patch], langchain[patch], community[patch]: Revert #15326 (#15546) core[patch]: Release 0.1.5 (#15480) Patch: improve type hint (#15451) core[patch]: update LanguageModelInput from List to Sequence (#14405) adding vectorstore_kwarg attribute to search_similarity function (#14604) core: update json output parser (#15079) core:adds tests for partial_variables (#15427) docs, experimental[patch], langchain[patch], community[patch]: update storage imports (#15429) add get prompts method (#15425) Use tz-aware utc datetimes in tracer (#15187) docs, community[patch], experimental[patch], langchain[patch], cli[pa… (#15412) Fetch runnable config from context var inside runnable lambda and runnable generator (#15334) langchain[patch], experimental[patch]: replace langchain.schema imports (#15410) Calculate trace_id and dotted_order client side (#15351) Update _retrieve_ref inside json_schema.py to include an isdigit() check (#14745) Docs: add param comment fortracing_v2_enabled(#15308) Catch type errors in dumps/dumpd (#15336) Propagate context vars in all classes/methods (#15329) Delete V1 tracer and refactor tracer tests to core (#15326) Fix executor Patch: improve check openai version (#15301) core: Update messages/__init__.py to account for AIMessageChunk which breaks message history runnable. (#15327) old py compat Propagate context vars in all classes/methods [core] add test for json parser (#15297) Improve markdown list parser (#15295) core[patch]: Release 0.1.4 (#15319) Strip code block fences and extra test from xml when doing streaming … (#15293) core, community: propagate context between threads (#15171) Make all json parsing less strict by default (#15287) [core, langchain] modelio code improvements (#15277) Update passthrough.py (#15252) Fix: UseUnioninstead of|to improve compatibility, fix #15244 (#15245) Add .pick and .assign methods to Runnable (#15229) Implement nicer runnable seq constructor, Propagate name through Runn… (#15226) Add create_conv_retrieval_chain func (#15084) [core] prompt changes (#15186) Better input and output schemas for chains that start or end with a R… (#15185) Implement RunnablePassthrough.pick() (#15184) Implement stream and astream for RunnableLambda (#14794) Fix runnable vistitor for funcs without pos args (#15182) [core: minor] fix getters (#15181) [core] langauge model like (#15180) [core] print ascii (#15179) Improve graph repr for runnable passthrough and itemgetter (#15083) Nc/dec22/runnable graph lambda (#15078) core(minor): Allow explicit types for ChatMessageHistory adds (#14967) Improve: remove extra spaces in get_from_env error (#15064) Add Runnable.get_graph() to get a graph representation of a Runnable (#15040) infra: Fix test filesystem paths incompatible with windows (#14388) Move json and xml parsers to core (#15026) Add option to make messages placeholder optional (#15031) core[patch]: Release 0.1.3 (#15022) Implement streaming for all list output parsers (#14981) core[patch]: update langchain-core runtime library name (#14884) core(minor): Implement stream and astream for RunnableBranch (#14805) core[patch]: 0.1.2 (#14959) docstringscoreupdate (#14871) add methods to deserialize prompts that were old (#14857) docs: developer docs (#14776) [Tracing] String Stacktrace (#14131) core[patch]: Release 0.1.1 (#14738) core[patch]: Fix runnable with message history (#14629) \Fix tool_calls message merge (#14613) docs: fix links in readme (#14624) docs: core and community readme (#14623) core[minor]: Release 0.1.0 (#14607) allow other namespaces (#14606) Update RunnableWithMessageHistory (#14351) infra: import checking bugfix (#14569) infra: import CI speed (#14566) infra: import CI fix (#14562) core[patch]: Release 0.0.13 (#14558) Move runnable context to beta (#14507) community[major], core[patch], langchain[patch], experimental[patch]: Create langchain-community (#14463) RunnableWithMessageHistory: Fix input schema (#14516) manual mapping (#14422) core[patch], langchain[patch], experimental[patch]: import CI (#14414) Use deepcopy in RunLogPatch (#14244) core[patch]: Release 0.0.12 (#14415) core[patch], langchain[patch]: fix required deps (#14373) core[patch]: Release 0.0.11 (#14367) [core/minor] Runnables: Implement a context api (#14046) core[patch]: message history error typo (#14361) core[patch], langchain[patch]: ByteStore (#14312) Update doc-string in RunnableWithMessageHistory (#14262) AddingBaseChatMessageHistory.str(#14311) Fixing empty input variable crashingPromptTemplatevalidations (#14314) core[patch]: Release 0.0.10 (#14303) Harrison/delegate from template (#14266) fix: call _on_llm_error() (#13581) core[patch]: add response kwarg to on_llm_error langchain[patch]: Fixconfigarg detection for wrapped lambdarunnable (#14230) Fix Azure Openai function calling in streaming mode (#13768) Removing extraStdOutCallbackHandleroverridden methods (#14136) core[patch]: Release 0.0.9 (#14182) core[patch]:BaseTracerhelper method forRunlookup (#14139) core[minor], langchain[patch], experimental[patch]: Added missingpy.typedtolangchain_core` (#14143) Update Prompt Format Error (#14044) core[patch]: release 0.0.8 (#14086) core[patch]: Add **kwargs to Langchain's dumps() to allow passing of json.dumps() … (#10628) infra[patch]: add base deps and fix docs lint (#13998) core[patch]: release 0.0.7 (#13989) Track RunnableAssign as a separate run trace (#13972) In Runnable.stream_log build up final_output from adding output chunks (#12781) Fixes for opengpts release (#13960) infra[patch], langchain[patch]: fix test deps and upper bound langchain dep on core(#13984) fix merge None value and non None value error (#13703) RELEASE: core 0.0.7 (#13973) RunnableLambda: create afunc instance from func when not provided (#13408) Implement stream() and astream() for agents (#12783) langchain[patch], core[patch]: Make common utils public (#13932) Document Runnable Binding (#13927) RELEASE: 0.0.341 (#13926) improvement: fix chat prompt loading from config (#13818) Add option to prefix config keys in configurable_alts (#13714) DOCS: fixed error in the docstring of RunnablePassthrough class (#13843) RELEASE: core 0.0.6 (#13853) BUGFIX: Add import types and typevars from core (#13829) RELEASE: core 0.0.5 (#13786) IMPROVEMENT: filter global warnings properly (#13754) Add Batch Size kwarg to the llm start callback (#13483) RELEASE: core 0.0.4 (#13745) REFACTOR: combine core documents files (#13733) BUGFIX: add prompt imports for backwards compat (#13702) IMPROVEMENT: Conditionally import core type hints (#13700) BUGFIX: llm backwards compat imports (#13698) BUGFIX: handle tool message type when converting to string (#13626) Added partial_variables to BaseStringMessagePromptTemplate.from_template(...) (#13645) INFRA: Lint for imports (#13632) BUG: more core fixes (#13665) REFACTOR: Refactor langchain_core (#13627) Separate out langchain_core package (#13577)