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Bump langchain from 1.2.6 to 1.2.9#5659

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Bump langchain from 1.2.6 to 1.2.9#5659
dependabot[bot] wants to merge 1 commit intomasterfrom
dependabot/pip/langchain-1.2.9

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@dependabot dependabot bot commented on behalf of github Feb 9, 2026

Bumps langchain from 1.2.6 to 1.2.9.

Release notes

Sourced from langchain'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==1.2.9

Changes since langchain==1.2.8

fix(langchain): normalize raw schemas in middleware response_format override (#35019) feat: support state updates from wrap_model_call with command(s) (#35033) test(langchain): types in test_tool_call_limit and test_model_retry (#34629) fix(langchain): bump min core version and improve approximate token counting (#35026) release: langchain 1.2.9 (#35023) feat: threading context through create_agent flows + middleware (#34978) chore: add make type target (#35015) revert: "chore: add typing target in Makefile" (#35013) chore: add typing target in Makefile (#35012) revert: use usage metadata scaling in SummarizationMiddleware default token counter (#35002) fix(langchain): use usage metadata scaling in SummarizationMiddleware default token counter (#35001) fix(langchain): avoid UnboundLocalError when no AIMessage exists (#34816) 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)

... (truncated)

Commits
  • 81b4752 fix(langchain): normalize raw schemas in middleware response_format override ...
  • 8767a46 feat: support state updates from wrap_model_call with command(s) (#35033)
  • 273d282 chore(standard-tests): bump down to 1.1.3 (#35040)
  • 19b0923 chore(anthropic): update model profiles (#35039)
  • ad6f7c6 chore(infra): inline code docs guidelines for AGENTS.md (#35038)
  • 7853b0f release(anthropic): 1.3.2 (#35035)
  • 74b3344 fix(anthropic): support automatic compaction (Opus 4.6) (#35034)
  • d181a59 test(langchain): types in test_tool_call_limit and test_model_retry (#34629)
  • 28e40c3 release(standard-tests): release standard tests with sandbox provider (#35032)
  • 5d16ac9 feat(standard-tests): add standard tests for sandbox providers (#35018)
  • Additional commits viewable in compare view

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Bumps [langchain](https://github.com/langchain-ai/langchain) from 1.2.6 to 1.2.9.
- [Release notes](https://github.com/langchain-ai/langchain/releases)
- [Commits](langchain-ai/langchain@langchain==1.2.6...langchain==1.2.9)

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

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot bot added dependencies Pull requests that update a dependency file python Pull requests that update Python code labels Feb 9, 2026
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dependabot bot commented on behalf of github Feb 16, 2026

Superseded by #5679.

@dependabot dependabot bot closed this Feb 16, 2026
@dependabot dependabot bot deleted the dependabot/pip/langchain-1.2.9 branch February 16, 2026 03:17
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