Bump langchain-core from 0.3.49 to 1.2.11

[dependabot]

Bumps langchain-core from 0.3.49 to 1.2.11.

Release notes

Sourced from langchain-core's releases.

langchain-core==1.2.11

Changes since langchain-core==1.2.10

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)

langchain-core==1.2.10

Changes since langchain-core==1.2.9

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)

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)

... (truncated)

Commits

• 524e1da release(core): 1.2.11 (#35144)
• 2b4b1dc fix(openai): sanitize urls when counting tokens in images (#35143)
• 0493b27 fix(anthropic): support effort="max" and remove beta headers (#35141)
• a5f22e7 chore(core): clean up docstring mismatch and redundant logic in langchain-cor...
• 97ee14c fix(core): replace bare except with Exception in tracer (#35138)
• 990e807 release(standard-tests): release 1.1.5 (#35139)
• 74dffca release(langchain): 1.2.10 (#35137)
• f41e049 release(core): 1.2.10 (#35136)
• de05838 chore(deps): bump the langchain-deps group across 3 directories with 40 updat...
• d6e86aa chore(deps): bump the other-deps group across 3 directories with 12 updates (...
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EntelligenceAI PR Summary

Major version upgrade of langchain-core dependency from 0.3.49 to 1.2.11.

• Represents a breaking change upgrade from 0.x to 1.x major version
• May include API modifications and new features in the core LangChain library
• Affects compatibility with dependent packages: langchain, langchain-anthropic, langchain-google-genai, langchain-ollama, and langchain-openai
• Requires verification of ecosystem compatibility across all LangChain packages in the project

[entelligence-ai-pr-reviews]

Walkthrough

This PR upgrades the langchain-core dependency from version 0.3.49 to 1.2.11, marking a major version transition from 0.x to 1.x. This significant upgrade likely introduces breaking changes, new features, and API modifications to the foundational LangChain library. Given that langchain-core serves as the base dependency for the entire LangChain ecosystem in this project (including langchain, langchain-anthropic, langchain-google-genai, langchain-ollama, and langchain-openai), this update requires careful compatibility verification across all dependent packages to ensure continued functionality and stability.

Changes

File(s)	Summary
requirements.txt	Upgraded langchain-core dependency from version 0.3.49 to 1.2.11, representing a major version bump from 0.x to 1.x series.

Sequence Diagram

This diagram shows the interactions between components:

sequenceDiagram
    participant Dev as Developer
    participant Deps as Dependency Manager
    participant LC as langchain-core Library
    
    Note over Dev,LC: Dependency Version Update
    
    Dev->>Deps: Update langchain-core requirement
    Note right of Deps: Version: 0.3.49 → 1.2.11<br/>(Major version bump)
    
    Deps->>LC: Fetch new version 1.2.11
    LC-->>Deps: Package downloaded
    Deps-->>Dev: Dependencies updated
    
    Note over Dev,LC: No code changes visible in this PR.<br/>Actual runtime interactions would depend<br/>on how the application uses langchain-core.

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