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LangSmith SDK 0.14.5

UpdateyesterdayUnverifiedAdded Oct 9, 2026

- release(js): 0.10.8 chore(deps): bump the actions-minor-and-patch group with 3 updates chore(deps-dev): bump types-psutil from 7.2.2.20260827 to 7.2.2.20260906 in /python chore(deps): bump the actions-major group with 2 updates chore(deps): bump the py-minor-and-patch group in /python with 8 updates fix(tests): prevent background uploads from restoring...

Topics: AI agents, Governance, Data integration, Observability, Developer tools

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Updateunverified

LangSmith SDK 0.14.4

- release(js): 0.10.7 ci: request Open SWE investigation of nightly SDK failures refactor: take addresses as strings (Python and JS) fix(py,js): correctly resolve the full OTLP traces endpoint release(py): 0.14.4

Updateunverified

LangSmith SDK 0.14.3

- feat(js): add address() handle for agent addressing chore(js): patch vulnerable development dependencies fix(sandbox): retry transient WebSocket failures before command start chore(deps): bump urllib3 from 2.7.0 to 2.8.0 in /python chore(deps): bump pyjwt from 2.13.0 to 2.15.0 in /python chore(deps): bump undici from 7.29.0 to 7.29.1 in...

Updateunverified

LangSmith SDK 0.14.2

- fix(js): missing OTel exports for tool name, call_id and definitions chore: increase Python and JS dependency delay to seven days feat(python): add ls.address handle for agent addressing fix(py): preserve response on wrapped HTTP errors fix(js): stub OpenAI transport in completions test fix(py,js): only the primary write replica keeps the original run ids...

Updateunverified

LangSmith SDK 0.14.1

- release(js): 0.10.5 ci: mirror merges to the staging repos ci: drop the push-based mirror workflow, staging pulls instead test(py): select s3_urls so list_runs and list_threads return attachments fix(py): fix missing OTel exports for tool_call_id and tool_definitions fix(py): trace ClaudeSDKClient.receive_messages() feat(sandbox): verify service URL user...

Updateunverified

LangSmith SDK 0.14.0

- fix(deps): patch soupsieve ReDoS vulnerabilities by John Kennedy (@jkennedyvz) in #3560 feat(sandbox): grant sandboxes delegated LangSmith access on create by Ramon Nogueira (@ramon-langchain) in #3563 feat(sandbox): LangSmith-login service URLs, and service URLs for JS by Ramon Nogueira (@ramon-langchain) in #3564 fix(py): correct broken migration-guide...

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LangSmith SDK 0.13.0

- feat(evaluate): add disable_evaluator_tracing toggle to evaluate() and aevaluate() by Sineha Manivannan (@sineha-mani) in #3547 ci(openwiki): open the update PR with gh instead of a third-party action by Thibaut Lehmann (@thibautlehmann) in #3545 refactor(sandbox): deprecate no_proxy in proxy config helpers by Ramon Nogueira (@ramon-langchain) in #3512...

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LangSmith SDK 0.12.6

- release(js): 0.10.4 by Emil F (@emil-lc) in #3542 docs: add OpenWiki, with a weekly refresh workflow by Thibaut Lehmann (@thibautlehmann) in #3541 fix(livekit): preserve system instructions with history by Caroline di Vittorio (@carolinedivittorio) in #3544 release(py): 0.12.6 by Caroline di Vittorio (@carolinedivittorio) in #3546 v0.12.5...v0.12.6

Updateunverified

LangSmith SDK 0.12.5

- fix: preserve sandbox API error IDs by Mukil Loganathan (@langchain-infra) in #3515 fix(js): avoid stored reasoning in OpenAI integration tests by Emil F (@emil-lc) in #3519 fix(js): update vulnerable test dependencies by Mike Merrill (@linted) in #3525 chore(deps): bump js-yaml from 3.15.1 to 4.3.1 in /js/internal/environment_tests/test-exports-metro in...

Also shipped on Oct 8, 2026

LangChain in October 2026
GAunverified

Performance Risks Inbox is now generally available

Performance Risks Inbox is GA Performance Risks Inbox is now generally available (GA). It finds the performance anti-patterns that quietly slow your application down, such as N+1 queries and inefficient database calls, and groups them in one place so your team can fix them before they become incidents.

Betaunverified

CLI v0.9.0 | CLI, Beta

CLI v0.9.0 Manage cloud tasks with cr code , including interactive messages, side questions, plans, and delivery. Complete shell commands and read richer review JSON . Verify signed Linux releases and recover more reliably from login and update failures. Run cr update . See cloud tasks and upgrade details .