chore(deps): bump langchain-core from 1.0.5 to 1.2.11

[dependabot]

Bumps langchain-core from 1.0.5 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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[github-actions]

posthog-python Compliance Report

Date: 2026-02-18 22:09:31 UTC
Duration: 159363ms

✅ All Tests Passed!

29/29 tests passed

---

Capture Tests

✅ 29/29 tests passed

View Details

Test	Status	Duration
Format Validation.Event Has Required Fields	✅	516ms
Format Validation.Event Has Uuid	✅	1507ms
Format Validation.Event Has Lib Properties	✅	1506ms
Format Validation.Distinct Id Is String	✅	1506ms
Format Validation.Token Is Present	✅	1507ms
Format Validation.Custom Properties Preserved	✅	1507ms
Format Validation.Event Has Timestamp	✅	1507ms
Retry Behavior.Retries On 503	✅	9518ms
Retry Behavior.Does Not Retry On 400	✅	3506ms
Retry Behavior.Does Not Retry On 401	✅	3507ms
Retry Behavior.Respects Retry After Header	✅	9509ms
Retry Behavior.Implements Backoff	✅	23521ms
Retry Behavior.Retries On 500	✅	7516ms
Retry Behavior.Retries On 502	✅	7506ms
Retry Behavior.Retries On 504	✅	7516ms
Retry Behavior.Max Retries Respected	✅	23528ms
Deduplication.Generates Unique Uuids	✅	1496ms
Deduplication.Preserves Uuid On Retry	✅	7510ms
Deduplication.Preserves Uuid And Timestamp On Retry	✅	14526ms
Deduplication.Preserves Uuid And Timestamp On Batch Retry	✅	7503ms
Deduplication.No Duplicate Events In Batch	✅	1508ms
Deduplication.Different Events Have Different Uuids	✅	1507ms
Compression.Sends Gzip When Enabled	✅	1507ms
Batch Format.Uses Proper Batch Structure	✅	1506ms
Batch Format.Flush With No Events Sends Nothing	✅	1005ms
Batch Format.Multiple Events Batched Together	✅	1505ms
Error Handling.Does Not Retry On 403	✅	3508ms
Error Handling.Does Not Retry On 413	✅	3508ms
Error Handling.Retries On 408	✅	7513ms

[github-actions]

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