Releasesby GlyphLangSmith 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...
Also shipped Sep 21, 2026LangChain in September 2026 →
BigQuery Studio query results pane shows recent run history
The Query results pane now shows a short history of recent runs for a query, including multi-statement queries, without switching to the Job history tab. It is generally available.
The query history system table is now generally available
The system.query.history system table is now generally available. Use it to access account-wide records for queries run on SQL warehouses or serverless compute, including execution status, duration metrics, and query source. See Query history system table reference .
Cortex AI Function Evaluation for measuring quality (Public Preview)
Snowflake Cortex AI Function Evaluation is now available in public preview, enabling customers to measure the output quality, cost, and token usage of custom AI Functions and Cortex AI calls against labeled datasets.
Cortex AI Function Optimization for more efficient AI implementations (Public Preview)
Snowflake Cortex AI Function Optimization is now available in public preview, enabling customers to automatically search across prompts and models for improved implementations of custom AI Functions.
Cortex Agents Compact API (Preview)
The Cortex Agents Compact API is now available in preview. Use the agent:compact endpoint to summarize a conversation and pass the compact representation to subsequent agent:run requests. Compacting conversation history reduces token consumption and helps conversations stay within the model context window.
You can now use the AlloyDB Columnar Engine as a read-optimized, in-memory cache for HNSW vector indexes
You can now use the AlloyDB Columnar Engine as a read-optimized, in-memory cache for HNSW vector indexes. This feature is generally available ( GA ). It accelerates vector search performance and increases queries per second (QPS) for vector workloads. For more information, see Accelerate queries with the Columnar Engine .
More from LangSmithEvery LangSmith release →
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 0.14.1
- 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 0.12.6
- 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 0.12.5
- 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...
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...
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...
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
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