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Straight from the source · Every release, from its maintainers

The Tech Gazette

PyPI packages
Vol. I No. 26 Saturday, October 17, 2026 Closing 12:53 PM UTC · next edition 10:00 AM UTC

langsmith releases

PyPI package, released from langchain-ai/langsmith-sdk on GitHub · No. 301 of the most used PyPI packages in the paper's catalog

Latest release the paper recorded: langsmith v0.14.9, Oct 15, 2026. Its newest GitHub release when last read: Oct 15, 2026.

Latest releases

Newest first, each linking to its notes on GitHub; the excerpt is the notes' own opening, where they have text.

  1. Oct 15, 2026langsmith v0.14.9
    From the release notesWhat's Changed fix(py): stop sandbox run() from waiting 100ms for the server's TCP close by @langchain infra in https://github.com/langchain ai/langsmith sdk/pull/3714 feat: send OTLP traces to an Agent environment by @K…
  2. Oct 13, 2026langsmith v0.14.8
    From the release notesWhat's Changed fix(py): send session id on RunTree.patch by @gow in https://github.com/langchain ai/langsmith sdk/pull/3675 fix: keep punctuation out of freeze guard links by @thibautlehmann in https://github.com/langcha…
  3. Oct 9, 2026langsmith v0.14.7
    From the release notesWhat's Changed fix: normalize sandbox API endpoint prefixes by @langchain infra in https://github.com/langchain ai/langsmith sdk/pull/3683 release(py): 0.14.7 by @langchain infra in https://github.com/langchain ai/langsm…
  4. Oct 9, 2026langsmith v0.14.6
    From the release notesWhat's Changed release(js): 0.10.9 by @KiewanVillatel in https://github.com/langchain ai/langsmith sdk/pull/3687 ci: freeze js/ now that the JS SDK moved by @thibautlehmann in https://github.com/langchain ai/langsmith sd…
  5. Oct 8, 2026langsmith v0.14.5
    From the release notesWhat's Changed release(js): 0.10.8 by @KiewanVillatel in https://github.com/langchain ai/langsmith sdk/pull/3653 chore(deps): bump the actions minor and patch group with 3 updates by @dependabot[bot] in https://github.co…
  6. Oct 2, 2026langsmith v0.14.4
    From the release notesWhat's Changed release(js): 0.10.7 by @KiewanVillatel in https://github.com/langchain ai/langsmith sdk/pull/3647 ci: request Open SWE investigation of nightly SDK failures by @thibautlehmann in https://github.com/langcha…
  7. Oct 1, 2026langsmith v0.14.3
    From the release notesWhat's Changed feat(js): add address() handle for agent addressing by @KiewanVillatel in https://github.com/langchain ai/langsmith sdk/pull/3604 chore(js): patch vulnerable development dependencies by @jkennedyvz in http…
  8. Sep 30, 2026langsmith v0.14.2
    From the release notesWhat's Changed fix(js): missing OTel exports for tool name, call id and definitions by @emil lc in https://github.com/langchain ai/langsmith sdk/pull/3592 chore: increase Python and JS dependency delay to seven days by @…
  9. Sep 25, 2026langsmith v0.14.1
    From the release notesWhat's Changed release(js): 0.10.5 by @emil lc in https://github.com/langchain ai/langsmith sdk/pull/3575 ci: mirror merges to the staging repos by @thibautlehmann in https://github.com/langchain ai/langsmith sdk/pull/35…