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chore(deps): bump langchain-core from 1.4.0 to 1.5.3 in /backend/pipeline - #2468

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chore(deps): bump langchain-core from 1.4.0 to 1.5.3 in /backend/pipeline#2468
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dependabot/pip/backend/pipeline/langchain-core-1.5.3

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Bumps langchain-core from 1.4.0 to 1.5.3.

Release notes

Sourced from langchain-core's releases.

langchain-core==1.5.3

Changes since langchain-core==1.5.2

release(core): 1.5.3 (#39145) fix(core): fall back to LANGSMITH_API_KEY for gateway (#39115)

langchain-core==1.5.2

Changes since langchain-core==1.5.1

release(core): 1.5.2 (#39108) fix(core): handle empty string in gateway env vars (#39107) chore: bump setuptools from 82.0.0 to 83.0.0 in /libs/core (#39032) chore: bump jupyterlab from 4.5.9 to 4.5.10 in /libs/core (#39033) chore: bump setuptools from 80.9.0 to 83.0.0 in /libs/text-splitters (#39029)

langchain-core==1.5.1

Changes since langchain-core==1.5.0

release(core): 1.5.1 (#39042) feat(anthropic,fireworks,openai): support langsmith gateway through env var (#38742) fix(core): use tool_call_schema cache for BaseTool token counting in count_tokens_approximately (#39020)

langchain-core==1.5.0

Changes since langchain-core==1.4.9

release(core): 1.5.0 (#38978) feat(core): add reasoning_effort as a standard chat model parameter (#38887) chore: bump soupsieve from 2.8 to 2.8.4 in /libs/core (#38750) chore: bump mistune from 3.2.1 to 3.3.0 in /libs/core (#38783)

langchain-core==1.4.9

Changes since langchain-core==1.4.8

release(core): 1.4.9 (#38728) fix(core): improve langsmith loader error messages (#35648) fix(core): output parser bugs in xml.py and pydantic.py (#35641) style(core): fix some ruff preview rules (#38656) fix(core): avoid dict shadowing in language models (#38480) fix(core): _parse_google_docstring mishandling continuation lines with colons (#35680) fix(core): add messages to bare raise ValueError calls (#38158) fix(core): use asyncio.get_running_loop() in async contexts (#38157) chore: bump langsmith from 0.8.0 to 0.8.18 in /libs/core (#38319) chore: bump jupyterlab from 4.5.7 to 4.5.9 in /libs/core (#38326) chore: bump vcrpy from 8.1.1 to 8.2.1 in /libs/core (#38327)

langchain-core==1.4.8

Changes since langchain-core==1.4.7

chore: bump jupyter-server from 2.18.0 to 2.20.0 in /libs/core (#38252) chore: bump tornado from 6.5.6 to 6.5.7 in /libs/core (#38184)

... (truncated)

Commits
  • 01d8481 release(core): 1.5.3 (#39145)
  • b8a6e36 chore(model-profiles): refresh model profile data (#39141)
  • cdca311 fix(core): fall back to LANGSMITH_API_KEY for gateway (#39115)
  • a5a8762 ci: annotate uv bump workflow with PR links (#39112)
  • 557c0a9 chore(deps): bump uv to 0.12.0 (#39111)
  • 835c85a release(anthropic): 1.5.3 (#39109)
  • c1ab807 release(core): 1.5.2 (#39108)
  • 3132233 fix(anthropic): preserve empty thinking field in signature_delta streaming (#...
  • b3a6d9a chore(model-profiles): refresh model profile data (#39105)
  • 447b51a fix(anthropic): strip unsupported fields from system message content blocks (...
  • Additional commits viewable in compare view

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Bumps [langchain-core](https://github.com/langchain-ai/langchain) from 1.4.0 to 1.5.3.
- [Release notes](https://github.com/langchain-ai/langchain/releases)
- [Commits](langchain-ai/langchain@langchain-core==1.4.0...langchain-core==1.5.3)

---
updated-dependencies:
- dependency-name: langchain-core
  dependency-version: 1.5.3
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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@dependabot dependabot Bot added dependencies Pull requests that update a dependency file python Pull requests that update python code labels Aug 2, 2026
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