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 Sep 15, 2026LangChain in September 2026 →
Predict dynamic table refresh behavior with EXPLAIN CHANGES (General availability)
You can now use EXPLAIN CHANGES to predict a dynamic table's refresh behavior before it happens, either for a manual refresh or as part of a DDL change, without applying the change.
Horizon Catalog Explorer UI (Preview)
With this release, the Horizon Catalog Explorer is the default experience for browsing Snowflake objects in Snowsight, replacing Database Explorer. The Horizon Catalog Explorer provides consistent navigation and object detail pages while preserving the tabs and actions that you already use.
Embedding Streamlit in Snowflake apps in external pages (General availability)
Embedding Streamlit in Snowflake apps in external pages is now generally available. You can render a container-runtime app inside a page you host, such as a customer portal or an internal dashboard, using a single tag.
Elastic Channels for Snowpipe Streaming (General availability)
Elastic Channels for Snowpipe Streaming are now generally available. Elastic Channels provide one implicit, server-scaled ingestion path per pipe, so concurrent producers can stream directly to Snowflake tables and supported Snowflake-managed Iceberg tables without managing channel names, lifecycle, ordering, or offset tokens.
Webhook-triggered deployments for Databricks Apps will soon be generally available
Starting in October 2026, webhook-triggered deployments for Databricks Apps will be generally available. Automatically deploy your app when changes are pushed to a connected GitHub or Azure DevOps repository, so your deployed app stays in sync with your repository without manual redeployment. See Deploy a Databricks app .
Sharing foreign Delta tables with OpenSharing is now generally available
Sharing and reading foreign Delta tables with OpenSharing is now generally available. Providers can share Delta-format tables federated from OneLake, a Hive metastore, or AWS Glue, without copying data into Databricks. See Add foreign Delta tables to a share .
More from LangSmithEvery LangSmith release →
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
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...
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...
LangSmith SDK 0.12.4
- fix(livekit): support agents 1.7 and 1.8 telemetry [Closes LSDK-506] by Caroline di Vittorio (@carolinedivittorio) in #3510 release(py): 0.12.4 by Caroline di Vittorio (@carolinedivittorio) in #3511 v0.12.3...v0.12.4
LangSmith SDK 0.12.3
- release(js): 0.10.2 by Mukil Loganathan (@langchain-infra) in #3495 test(py): benchmark compressed trace ingestion by Quentin Brosse (@QuentinBrosse) in #3497 fix(py): make the multipart body replayable across both retry layers by Thibaut Lehmann (@thibautlehmann) in #3483 perf: avoid ThreadPoolExecutor churn in hybrid tracing [closes LSDK-213] by Open...
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...
LangSmith SDK 0.12.2
- release(js): 0.10.1 by Quentin Brosse (@QuentinBrosse) in #3477 chore(deps): bump the actions-minor-and-patch group with 4 updates by Dependabot (@dependabot) [bot] in #3465 chore(deps-dev): bump types-psutil from 7.2.2.20260518 to 7.2.2.20260827 in /python by Dependabot (@dependabot) [bot] in #3471 chore(deps): bump the py-major group in /python with 4...
LangSmith SDK 0.12.1
- release(js): 0.10.0 by Emil F (@emil-lc) in #3474 fix(py,js): drain the anonymizer walk queue in O(1) [LSDK-412] by Quentin Brosse (@QuentinBrosse) in #3475 release(py): 0.12.1 by Quentin Brosse (@QuentinBrosse) in #3478 v0.12.0...v0.12.1