Releases: langchain-ai/langchain
langchain-openai==1.1.16
langchain-openai==1.1.15
langchain-core==1.3.0
Changes since langchain-core==1.2.31
release(core): release 1.3.0 (#36851)
release(core): 1.3.0a3 (#36829)
chore(core): keep checkpoint_ns behavior in streaming metadata for backwards compat (#36828)
feat(core): Add chat model and LLM invocation params to traceable metadata (#36771)
fix(core): restore cloud metadata IPs and link-local range in SSRF policy (#36816)
chore(deps): bump pytest to 9.0.3 (#36801)
chore(core): harden private SSRF utilities (#36768)
fix(openai): handle content blocks without type key in responses api conversion (#36725)
chore: bump pytest from 9.0.2 to 9.0.3 in /libs/core (#36719)
release(core): 1.3.0.a2 (#36698)
fix(core): Use reference counting for storing inherited run trees to support garbage collection (#36660)
docs(core): nit (#36685)
release(core): 1.3.0a1 (#36656)
chore(core): reduce streaming metadata / perf (#36588)
langchain-anthropic==1.4.1
Changes since langchain-anthropic==1.4.0
fix(anthropic): strip null encrypted_content from compaction blocks (#36850)
release(anthropic): 1.4.1 (#36848)
feat(anthropic): support opus 4.7 features (#36847)
chore: bump langsmith from 0.6.3 to 0.7.31 in /libs/partners/anthropic (#36803)
chore(deps): bump pytest to 9.0.3 (#36801)
chore: bump langsmith from 0.6.3 to 0.7.31 in /libs/partners/anthropic (#36789)
chore(model-profiles): refresh model profile data (#36482)
fix(core): fixed typos in the documentation (#36459)
chore: pygments>=2.20.0 across all packages (CVE-2026-4539) (#36385)
feat(anthropic): support adaptive thinking mode (#36293)
chore: bump requests from 2.32.5 to 2.33.0 in /libs/partners/anthropic (#36258)
chore(partners): bump langchain-core min to 1.2.21 (#36183)
fix(core,model-profiles): add missing ModelProfile fields, warn on schema drift (#36129)
ci: suppress pytest streaming output in CI (#36092)
ci: avoid unnecessary dep installs in lint targets (#36046)
langchain-text-splitters==1.1.2
Changes since langchain-text-splitters==1.1.1
release(text-splitters): 1.1.2 (#36822)
fix(text-splitters): deprecate and use SSRF-safe transport in split_text_from_url (#36821)
chore: bump langsmith from 0.6.3 to 0.7.31 in /libs/text-splitters (#36797)
chore(deps): bump pytest to 9.0.3 (#36801)
chore: bump pytest from 9.0.2 to 9.0.3 in /libs/text-splitters (#36714)
chore: add comment explaining pygments>=2.20.0 (#36570)
release(core): 1.2.26 (#36511)
chore: pygments>=2.20.0 across all packages (CVE-2026-4539) (#36385)
fix(text-splitters): prevent silent data loss for empty dict values in RecursiveJsonSplitter (#35079)
feat(text-splitters): support spacy tests with Python 3.14 (#36198)
fix(infra): correct lint_diff relative paths in package makefiles (#36333)
chore: bump requests from 2.32.5 to 2.33.0 in /libs/text-splitters (#36238)
chore: bump nltk from 3.9.3 to 3.9.4 in /libs/text-splitters (#36237)
chore(partners): bump langchain-core min to 1.2.21 (#36183)
chore(text-splitters): bump nltk in lock file (#36112)
ci: suppress pytest streaming output in CI (#36092)
chore(text-splitters): speed up ci (#36050)
ci: avoid unnecessary dep installs in lint targets (#36046)
chore: bump orjson from 3.11.5 to 3.11.6 in /libs/text-splitters (#35856)
chore: bump locks, lint (#35985)
perf(.github): set a timeout on get min versions HTTP calls (#35851)
chore: bump tornado from 6.5.2 to 6.5.5 in /libs/text-splitters (#35774)
chore: bump the minor-and-patch group across 3 directories with 3 updates (#35589)
chore: bump the other-deps group across 3 directories with 2 updates (#35512)
chore: bump nltk from 3.9.2 to 3.9.3 in /libs/text-splitters (#35449)
chore: bump the other-deps group across 3 directories with 2 updates (#35407)
langchain-openai==1.1.14
Changes since langchain-openai==1.1.13
release(openai): 1.1.14 (#36820)
fix(openai): use SSRF-safe transport for image token counting (#36819)
chore(deps): bump pytest to 9.0.3 (#36801)
chore: bump langsmith from 0.6.3 to 0.7.31 in /libs/partners/openai (#36795)
chore: bump pillow from 12.1.1 to 12.2.0 in /libs/partners/openai (#36777)
langchain-huggingface==1.2.2
Changes since langchain-huggingface==1.2.1
release(huggingface): 1.2.2 (#36832)
fix(huggingface): harden hostname validation and reject URLs in repo_id (#36831)
chore: bump langsmith from 0.6.3 to 0.7.31 in /libs/partners/huggingface (#36802)
chore(deps): bump pytest to 9.0.3 (#36801)
chore: bump langsmith from 0.6.3 to 0.7.31 in /libs/partners/huggingface (#36794)
chore(model-profiles): refresh model profile data (#36720)
chore(model-profiles): refresh model profile data (#36596)
chore: add comment explaining pygments>=2.20.0 (#36570)
chore: bump aiohttp from 3.13.3 to 3.13.4 in /libs/partners/huggingface (#36436)
chore: pygments>=2.20.0 across all packages (CVE-2026-4539) (#36385)
fix(huggingface): avoid hf api calls when using local HuggingFaceEndpoint (#35633)
chore: bump requests from 2.32.5 to 2.33.0 in /libs/partners/huggingface (#36252)
chore(partners): bump langchain-core min to 1.2.21 (#36183)
fix(core,model-profiles): add missing ModelProfile fields, warn on schema drift (#36129)
ci: suppress pytest streaming output in CI (#36092)
ci: avoid unnecessary dep installs in lint targets (#36046)
chore: bump orjson from 3.11.5 to 3.11.6 in /libs/partners/huggingface (#35861)
feat(model-profiles): new fields + Makefile target (#35788)
chore: bump tornado from 6.5.2 to 6.5.5 in /libs/partners/huggingface (#35776)
docs(huggingface): add [full] install guidance and sentence-transformers>=5.2.0 migration note (#35713)
chore: bump langgraph from 1.0.8 to 1.0.10rc1 in /libs/partners/huggingface (#35613)
langchain-core==1.3.0a3
Initial release
release(core): 1.3.0a3 (#36829)
chore(core): keep checkpoint_ns behavior in streaming metadata for backwards compat (#36828)
feat(core): Add chat model and LLM invocation params to traceable metadata (#36771)
fix(core): restore cloud metadata IPs and link-local range in SSRF policy (#36816)
chore(deps): bump pytest to 9.0.3 (#36801)
chore(core): harden private SSRF utilities (#36768)
fix(openai): handle content blocks without type key in responses api conversion (#36725)
chore: bump pytest from 9.0.2 to 9.0.3 in /libs/core (#36719)
release(core): 1.3.0.a2 (#36698)
fix(core): Use reference counting for storing inherited run trees to support garbage collection (#36660)
docs(core): nit (#36685)
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 summari...
Contributors
Assets 2
langchain-core==1.2.31
Changes since langchain-core==1.2.30
release(core): port 36816 to v1.2 and release 1.2.31 (#36817)
langchain-classic==1.0.4
Changes since langchain-classic==1.0.3
release(langchain-classic): 1.0.4 (#36827)
chore(langchain-classic): add deprecations (#36826)
fix(langchain-classic): suppress mypy errors in compat code (#36806)
chore(deps): bump pytest to 9.0.3 (#36801)
chore: bump pytest from 9.0.2 to 9.0.3 in /libs/langchain (#36718)
chore: bump pillow from 12.1.1 to 12.2.0 in /libs/langchain (#36709)
chore: bump cryptography from 46.0.6 to 46.0.7 in /libs/langchain (#36620)
chore: bump aiohttp from 3.13.3 to 3.13.4 in /libs/langchain (#36439)
chore: pygments>=2.20.0 across all packages (CVE-2026-4539) (#36385)
chore: bump cryptography from 46.0.5 to 46.0.6 in /libs/langchain (#36325)
chore: bump requests from 2.32.5 to 2.33.0 in /libs/langchain (#36242)
fix(langchain,langchain-classic): update model provider classes for Azure AI Foundry (#35812)
ci: suppress pytest streaming output in CI (#36092)
chore: bump pyasn1 from 0.6.2 to 0.6.3 in /libs/langchain (#36030)
chore: bump black from 25.9.0 to 26.3.1 in /libs/langchain (#35858)
chore: bump orjson from 3.11.5 to 3.11.6 in /libs/langchain (#35806)
fix(langchain-classic): format (#35854)
perf(.github): set a timeout on get min versions HTTP calls (#35851)
chore: housekeeping (#35850)