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Bump langchain-core from 1.2.7 to 1.2.9#311

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dependabot/pip/langchain-core-1.2.9
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Bump langchain-core from 1.2.7 to 1.2.9#311
dependabot[bot] wants to merge 2 commits intomainfrom
dependabot/pip/langchain-core-1.2.9

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@dependabot dependabot bot commented on behalf of github Feb 7, 2026

Bumps langchain-core from 1.2.7 to 1.2.9.

Release notes

Sourced from langchain-core's releases.

langchain-core==1.2.9

Changes since langchain-core==1.2.8

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)

langchain-core==1.2.8

Changes since langchain-core==1.2.7

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)

... (truncated)

Commits
  • 3e3dbd9 release(core): 1.2.9 (#35025)
  • e12f592 release: langchain 1.2.9 (#35023)
  • dde2012 feat: threading context through create_agent flows + middleware (#34978)
  • 032d01d fix(core): adjust cap when scaling approximate token counts (#35017)
  • 9db00d3 revert: precompile hex color regex pattern at module level (#35016)
  • 1bb3663 chore: add make type target (#35015)
  • 8e4c433 revert: "chore: add typing target in Makefile" (#35013)
  • 88fa71a chore: add typing target in Makefile (#35012)
  • 5981ee1 fix(core): apply cap when scaling approximate token counts (#35005)
  • 643355f revert: use usage metadata scaling in SummarizationMiddleware default token c...
  • Additional commits viewable in compare view

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Bumps [langchain-core](https://github.com/langchain-ai/langchain) from 1.2.7 to 1.2.9.
- [Release notes](https://github.com/langchain-ai/langchain/releases)
- [Commits](langchain-ai/langchain@langchain-core==1.2.7...langchain-core==1.2.9)

---
updated-dependencies:
- dependency-name: langchain-core
  dependency-version: 1.2.9
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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🔒 Auto-locked! Make sure to pull the latest changes before merging.

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✅ Auto-verified!

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🤝 Auto-approved!

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❌ Auto-merge failed!

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