Changes since langchain-classic==1.0.6

release(langchain-classic): 1.0.7 (#37240) chore(langchain-classic): deprecate hub, limit loads/dumps (#37234)

Changes since langchain-classic==1.0.5

release(langchain-classic): 1.0.6 (#37211) chore: bump jupyter-server from 2.17.0 to 2.18.0 in /libs/langchain (#37203) fix(langchain): restrict deserialization in langchain_classic.storage._lc_store (#37208) fix(langchain): use langchain-classic version for hub.pull deprecation (#37199) fix(core, langchain): harden load() against untrusted manifests (#37197)

Changes since langchain-classic==1.0.4

release(langchain-classic): 1.0.5 (#37165) refactor(langchain-classic): retarget deprecations to create_agent, other chores (#37164) chore(langchain,langchain-classic): uncomment optional deps (#37163) chore: bump types-pyyaml from 6.0.12.20250915 to 6.0.12.20260408 in /libs/langchain (#37130) chore: bump types-pytz from 2026.1.1.20260304 to 2026.1.1.20260408 in /libs/langchain (#37131) chore: bump notebook from 7.4.5 to 7.5.6 in /libs/langchain (#37104) release(perplexity): 1.2.0 (#37091) chore(docs): update x handle references (#37081) hotfix: bump min core versions (#36996) release(openai): 1.2.1 (#36995) feat(core): add content-block-centric streaming (v2) (#36834) fix(fireworks): honor max_retries (#36973) release(openai): 1.2.0 (#36961) chore: bump nbconvert from 7.17.0 to 7.17.1 in /libs/langchain (#36922) chore: bump langsmith from 0.7.13 to 0.7.31 in /libs/langchain (#36812) release(core): release 1.3.0 (#36851)

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)

Changes since langchain-classic==1.0.2

release(langchain): 1.0.3 (#35834) chore(core): move BaseCrossEncoder to langchain-core (#35809) chore: bump tornado from 6.5.2 to 6.5.5 in /libs/langchain (#35773) release(langchain_v1): 1.2.11 (#35723) chore: bump the minor-and-patch group across 3 directories with 7 updates (#35605) chore: bump types-pytz from 2025.2.0.20251108 to 2026.1.1.20260304 in /libs/langchain (#35592) chore: bump packaging from 24.2 to 26.0 in /libs/langchain (#35591)

Changes since langchain-classic==1.0.1

release(langchain): bump langchain-classic to 1.0.2 (#35601) fix(langchain-classic): patch ReDoS vulnerability in MRKL and ReAct action regex (CVE-2024-58340) (#35598) 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) chore: bump google-cloud-aiplatform from 1.117.0 to 1.133.0 in /libs/langchain (#35392) docs: fix docstring inaccuracies and update outdated LangSmith URLs (#35283) feat(openai): support automatic server-side compaction (#35212) chore: bump langchainhub from 0.1.18 to 0.1.21 in /libs/langchain in the langchain-deps group across 1 directory (#35280) chore: bump the langchain-deps group across 3 directories with 8 updates (#35257) style: bump ruff version to 0.15 (#35042) docs(langchain-classic): clarify MultiVectorRetriever usage (#35053) fix(langchain-classic): validate ensemble retriever weights (#35078) chore(deps): bump pillow from 11.3.0 to 12.1.1 in /libs/langchain (#35175) chore(deps): bump cryptography from 46.0.1 to 46.0.5 in /libs/langchain (#35147) 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) docs(langchain-classic): warn about older create_react_agent (#35052) docs(langchain-classic): add warning for initialize_agent function (#35051) feat: support state updates from wrap_model_call with command(s) (#35033) chore: add make type target (#35015) revert: "chore: add typing target in Makefile" (#35013) chore: add typing target in Makefile (#35012) chore: enrich pyproject.toml files (#34980) chore(deps): bump the uv group across 20 directories with 3 updates (#34941) chore: upgrade urllib3 to 2.6.3 (#34940) refactor: replace print with logger.info in llm_summarization_checker (#34903) fix(langchain): fix typo 'safegaurd' -> 'safeguard' (#34789) chore(deps): bump langgraph-checkpoint from 2.1.2 to 3.0.0 in /libs/cli in the uv group across 1 directory (#34787) chore(deps): bump the uv group across 5 directories with 5 updates (#34785) chore(deps): bump the uv group across 3 directories with 1 update (#34741) chore: update twitter URLs (#34736) test(langchain): delete ontotext graphdb test (#34710) fix(core): make yield_keys prefix keyword-only to match BaseStore (#34659) chore: ban relative imports on all packages (#34691) style: bump ruff version to 0.14.11 (#34674) fix(langchain,langchain-classic): more descriptive error msg when dep is not installed (#34679) fix(langchain): correct typo 'langchain experiment' to 'langchain_experimental' in error messages (#34608) fix(infra): use langchain_v1 for dev container deps (#34534) chore(deps): bump mypy to v1.19 and ruff to v1.14 (#34521) chore(langchain-classic): bump markupsafe lock for python 3.14 (#34523) fix(langchain-classic): pass default to config.getoption (#34034) style(core): fix mypy no-any-return violations (#34204)

Changes since langchain-classic==1.0.0

release(langchain-classic): 1.0.1 (#34467) fix(core): serialization patch (#34455) feat(langchain): enhance init_chat_model with improved validation (#34226) feat(langchain): Add support to google_genai provider in init_embeddings (#34388) docs: Fix typo in Zapier NLA API description (#34424) release(core): 1.2.3 (#34421) release(openai): 1.1.6: update max input tokens for gpt-5 series (#34419) release(openai): 1.1.5 (#34409) feat(infra): add CI check for out of date lockfiles (#34397) fix(huggingface): Helper logic for init_chat_model with HuggingFace backend (#34259) feat(core,anthropic): extras on BaseTool (#34120) feat(anthropic): add effort support (#34116) feat: Use uuid7 for run ids (#34172) chore: disable blockbuster for langchain-classic (#34186) style(core,langchain,qdrant): fix some docstrings for refs (#34105) fix(core): Decouple provider prefix from model name in init_chat_mode… (#34046) style(core,langchain-classic,openai): fix griffe warnings (#34074) chore(docs): fix a few refs syntax errors (#34044) chore: update README.md files (#33919) chore(langchain): pass on reference docstrings (middleware) (#33904) docs(langchain): correct IBM provider link in chat_models docstring (#33897) refactor(langchain): use create_importer for HypotheticalDocumentEmbedder (#32078) docs: fix typos in libs/langchain/langchain_classic/chains/summarize/chain.py (#33877) style: some cleanup (#33857) chore: attribute package change versions (#33854) fix(langchain): remove Tigris (#33829) chore: correct langchain-community references (#33827) style: refs pass (#33813) style: misc refs work (#33771) chore: use model IDs, latest anthropic models (#33747) chore(langchain): fix lint_imports paths (#33749) style: more refs fixes (#33730) style(core): more cleanup all around (#33711) style: more refs work (#33707) fix: links (#33691) docs(langchain): clarify create_tool_calling_agent system_prompt formatting and add troubleshooting (#33679) fix: update some links (#33686) fix(langchain): correctly initialize huggingface models in init_chat_model (#33167) style: even more refs work (#33619) style: more refs polishing (#33601)

Oct 17, 2025 2 files

Pre-release

Aug 27, 2025 2 files

Pre-release