> ## Documentation Index
> Fetch the complete documentation index at: https://langchain-5e9cc07a-preview-update-1770920925-e15dbde.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Self-hosted LangSmith changelog

<Callout icon="rss" color="#DFC5FE" iconType="regular">
  **Subscribe**: Our changelog includes an [RSS feed](https://docs.langchain.com/langsmith/self-hosted-changelog/rss.xml) that can integrate with [Slack](https://slack.com/help/articles/218688467-Add-RSS-feeds-to-Slack), [email](https://zapier.com/apps/email/integrations/rss/1441/send-new-rss-feed-entries-via-email), Discord bots like [Readybot](https://readybot.io/) or [RSS Feeds to Discord Bot](https://rss.app/en/bots/rssfeeds-discord-bot), and other subscription tools.
</Callout>

[Self-hosted LangSmith](/langsmith/self-hosted) is an add-on to the Enterprise plan designed for our largest, most security-conscious customers. For more details, refer to [Pricing](https://www.langchain.com/pricing). [Contact our sales team](https://www.langchain.com/contact-sales) if you want to get a license key to trial LangSmith in your environment.

<Update label="2026-02-09" tags={["self-hosted"]} rss={{ title: "2026-02-09 - self-hosted" }}>
  ## langsmith-0.13.9

  * Fixed sorting of workspaces alphabetically in the new switcher to improve user experience.
  * Improved playground with new tool modal design and model config popup windows for enhanced usability.
  * Fixed issue with creating tags being idempotent.
  * Modified Agent Builder to cache MCP tools list, session ID, and OAuth tokens for better performance.
  * Fixed updated error message for exhausted agent builder runs.
  * Fixed routing configuration for the agent builder /allow-run API endpoint.
  * Fixed spacing of home page tables for improved UI.
  * Fixed issue with datasets repeatedly fetching if empty.
  * Fixed edit access for API keys for non-admin users.
  * Added cost and token columns in the experiment view for better data insights.
  * Fixed an issue where the Slack trigger was dropping messages due to authentication errors.
  * Fixed boolean feedback values handling in comparison table cells.
  * Updated service key subject for API calls to /allow-run for accurate authentication.
  * Improved agent builder to use persisted simple model config.
  * Fixed error state handling for OAuth login failures.
  * Enhanced agent builder by ensuring threads display errors on reconnect in agent chat.
  * Fixed UI to ensure the footer menu closes on organization switch.
  * Improved tagging authentication by using specific resource auth.
  * Enhanced UI to prevent closing the pane from within the app selector dropdown.
  * Fixed potential SQL injection risks in feedback and annotation queue listing.
  * Added a 15-second timeout to the OAuth HTTP client for improved connection reliability.

  **Download the Helm chart:** [`langsmith-0.13.9.tgz`](https://github.com/langchain-ai/helm/releases/download/langsmith-0.13.9/langsmith-0.13.9.tgz)
</Update>

<Update label="2026-02-06" tags={["self-hosted"]} rss={{ title: "2026-02-06 - self-hosted" }}>
  ## langsmith-0.13.7

  * Fixed truncation of large numbers affecting user interface elements.
  * Improved error stringification for S3, enhancing run transparency.
  * Updated Filters UX to save DateTimeRange to view, improving user filtering capability.
  * Fixed UUID conversion for general agents to ensure consistent identifier usage.
  * Showed custom computed columns in experiment comparison view, enriching data analysis.
  * Fixed preview rendering for chat outputs shaped by LangChain.
  * Sanitized bulk export columns to prevent data corruption in exports.
  * Populated new columns on evaluator creation for enhanced data management.
  * Updated evaluator `updated_at` timestamp for better record tracking.
  * Improved agent bootstrap process by properly handling errors.
  * Enabled running Clio with other services locally for streamlined local deployments.
  * Fixed pagination issues in sandbox environments for better navigation.
  * Applied RetryableHTTP for auth control plane calls, fixing caching issues.
  * Adjusted tenant usage when bootstrapping agents for correct organization alignment.
  * Added padding adjustments to improve UI layout across various pages.
  * Updated wording for trace-related inquiries, enhancing user guidance.
  * Supported uploading large fields to S3 for run POST/PATCH endpoints, improving scalability.

  **Download the Helm chart:** [`langsmith-0.13.7.tgz`](https://github.com/langchain-ai/helm/releases/download/langsmith-0.13.7/langsmith-0.13.7.tgz)
</Update>

<Update label="2026-02-05" tags={["self-hosted"]} rss={{ title: "2026-02-05 - self-hosted" }}>
  ## langsmith-0.13.6

  * Fixed an issue with truncated large numbers affecting the user interface.
  * Improved error string conversion from S3 to enhance error handling.
  * Updated Filters UX to save DateTimeRange, improving user experience.
  * Fixed UUID conversion to ensure consistent general agent identification.
  * Fixed agent ID conversion to always use a string instead of UUID for stability.
  * Enhanced the experiment comparison view by showing custom computed columns.
  * Fixed chat preview for langchain-shaped output for better user experience.
  * Fixed pagination issues in sandbox for smoother navigation.
  * Improved caching mechanisms and authentication control planes' RetryableHTTP.
  * Fixed the issue of incorrect tenant usage when bootstrapping agents.
  * Improved user interface by adjusting page padding to remove visual obstructions.
  * Updated wording for trace-related inquiries to improve clarity.
  * Enhanced large field uploads to S3 for single run POST/PATCH endpoints.

  **Download the Helm chart:** [`langsmith-0.13.6.tgz`](https://github.com/langchain-ai/helm/releases/download/langsmith-0.13.6/langsmith-0.13.6.tgz)
</Update>

<Update label="2026-02-05" tags={["self-hosted"]} rss={{ title: "2026-02-05 - self-hosted" }}>
  ## langsmith-0.13.5

  * Fixed regression on cloning prebuilt dashboards to enhance user experience.
  * Updated Filters UX to match new mocks and improved the view dropdown.
  * Fixed Agent Builder by converting `UUID` to `str` before JSON encoding to prevent errors.
  * Added an updated insights sidebar for a more informative UI.
  * Implemented bulk actions for tables to improve data management efficiency.
  * Added a redesigned feedback banner for annotation queue in the frontend.
  * Provided option to require feedback in the Smith frontend to enhance user communication.
  * Limited Agent Builder template list to 2 rows for better usability.
  * Fixed cursor jumping issue when editing agent builder skill name and description.
  * Solved SSO+SCIM issue, always provisioning users to workspaces.
  * Fixed Slack Auth disconnecting issue for workspace users.
  * Enhanced missing tool experience in the Agent Builder by adjusting prompts.
  * Prevented session fixation in self-hosted OAuth for enhanced security.
  * Fixed the 'view run' regression in the annotation queue redesign in Smith frontend.
  * Reduced gRPC streaming chunk size from 1MB to 64KB for improved performance.
  * Added download zip button inside the Agent Builder Explorer.
  * Enhanced tracing URLs allowed by adding them to the Datadog RUM config.

  **Download the Helm chart:** [`langsmith-0.13.5.tgz`](https://github.com/langchain-ai/helm/releases/download/langsmith-0.13.5/langsmith-0.13.5.tgz)
</Update>

<Update label="2026-02-04" tags={["self-hosted"]} rss={{ title: "2026-02-04 - self-hosted" }}>
  ## langsmith-0.13.4

  * Fixed the toggle functionality for all column sections when clicking the Columns header.
  * Fixed failure to edit SSO settings
  * Improved frontend performance by using BarSeries instead of AnimatedBarSeries for granular usage tabs.
  * Added a Cmd + Enter hotkey to the new annotation queue for enhanced user interaction.
  * Added an option in the playground UI to mitigate loading errors by defaulting to `use_responses_api=true`.
  * Added support for custom Azure models.
  * Updated the playground UI for improved user experience.
  * Improved studio chat UX with auto-resize textarea and keyboard shortcuts.
  * Fixed prompt saving issue with incorrect naming.
  * Improved visibility and user experience by making search icons larger and tracking navigation of AQ, prompts, and deployments.
  * Enhanced UI for the Agent Builder with the introduction of a new Diff UI with context lines.
  * Enabled accurate Y-axis margins using d3 nice ticks for better frontend visualization.
  * Allowed the 'recently added to' section to pop over in the 'add to dataset' UI.
  * Added pagination to the dashboard select view for better usability.
  * Added support to limit long-lived TTL options and expose them in the org TTL settings endpoint.
  * Fixed a bug with streaming flicker using the responses API in the playground.
  * Enhanced the annotation queue user experience with custom output rendering in new queues.
  * Optimized dataset session comparison using example\_ids filtering for better performance.
  * Provided a download ZIP file button in the Agent Builder for user convenience.
  * Added a streamlined loading state for the Agent Builder's agent generator graph.
  * Allowed updating and creating SSO settings specifically in self-hosted environments.
  * Added support for displaying SCIM user's `displayName` attribute.

  These changes improve user interaction, enhance system performance, and expand support for custom models and infrastructure, benefiting self-hosted deployments.

  **Download the Helm chart:** [`langsmith-0.13.4.tgz`](https://github.com/langchain-ai/helm/releases/download/langsmith-0.13.4/langsmith-0.13.4.tgz)
</Update>

<Update label="2026-01-26" tags={["self-hosted"]} rss={{ title: "2026-01-26 - self-hosted" }}>
  ## langsmith-0.13.3

  * Improved streaming to accumulate streamed delta data without loss.
  * Added Google Sheets/Docs tools integration.
  * Enhanced UX for OAuth servers in settings.
  * Made view trace links more obvious in the UI.
  * Resolved multiple bugs and performance issues in Agent Builder, including writing self-hosted Agent Builder runs to a single project and collapsing subagent tool cards by default.
  * Improved experiment UI, now showing experiment descriptions on the single experiment page and fixing a blank page issue when accessing experiments via public URL.
  * Enhanced UX by solving bulk export flakiness and allowing updating of bulk export destination credentials.
  * Improved inline filter UX with multiple bug fixes and added edit functionality.
  * Added support for configurable run input/output preview paths on the backend.
  * Introduced new workspace management permissions for managing members' access.
  * Optimized Agent Builder to reduce network calls.
  * Added Action Menu to MyAgents Navlink in Agent Builder.
  * Improved frontend performance, including solving slowness when loading authentication status.
  * Enhanced Agent Builder with the API Key Needed Label/Button and collapsed action cluster features.
  * Resolved playground tool modal overflow issue.
  * Improved security by fixing frontend vulnerability in remix run router and clearing URLs on logout to prevent workspace misdirection.
  * Updated API to use invoices for monthly burndown tracking and added support for V2 API.
  * Improved frontend to handle malformed LLM outputs gracefully.
  * Improved date/time selection UI by allowing bold "Last time" values for DateTimeRangePicker component.

  **Download the Helm chart:** [`langsmith-0.13.3.tgz`](https://github.com/langchain-ai/helm/releases/download/langsmith-0.13.3/langsmith-0.13.3.tgz)
</Update>

<Update label="2026-01-21" tags={["self-hosted"]} rss={{ title: "2026-01-21 - self-hosted" }}>
  ## langsmith-0.13.2

  * Fixed content-type validation for dataset uploads to improve data handling.
  * Improved the new annotation queue page with a pretty JSON editor and message list editor.
  * Enabled better handling of retriable ingest errors on QueueRunPayloads.
  * Fixed Cron Trigger updates in the Agent Builder UI.
  * Added support for Redis Cluster, enhancing scalability for self-hosted setups.
  * Fixed OAuth account takeover vulnerability to enhance security.
  * Improved rendering of raw output in the playground.
  * Added new inline UX filters and a View Dropdown component for enhanced user interaction.
  * Increased line-height on XS Text variant to prevent clipping issues in the frontend.

  **Download the Helm chart:** [`langsmith-0.13.2.tgz`](https://github.com/langchain-ai/helm/releases/download/langsmith-0.13.2/langsmith-0.13.2.tgz)
</Update>

<Update label="2026-01-16" tags={["self-hosted"]} rss={{ title: "2026-01-16 - self-hosted" }}>
  ## langsmith-0.13.1

  * Added webhook publishing feature in Agent Builder
  * Added support for Anthropic models via Vertex AI in the playground
  * Added "Use Responses API" toggle for OpenAI models in the playground
  * Added Slack reauth banner when reconnection is needed
  * Added edit file tool diffs for better visibility of changes
  * Improved partition management for dropping old tables
  * Fixed self-hosted issues with Agent Builder from QA
  * Fixed mode switcher visibility when Agent Builder is disabled on self-hosted
  * Fixed various Agent Builder navigation and UI issues

  **Download the Helm chart:** [`langsmith-0.13.1.tgz`](https://github.com/langchain-ai/helm/releases/download/langsmith-0.13.1/langsmith-0.13.1.tgz)
</Update>

<Update label="2026-01-16" tags={["self-hosted"]} rss={{ title: "2026-01-16 - self-hosted" }}>
  ## langsmith-0.13.0

  * Added support for [Agent Builder](/langsmith/agent-builder) in self-hosted deployments
  * Added configurable trace TTL for long-lived traces
  * Added ability to conditionally enable OAuth tools and triggers
  * Added sample application creation during onboarding
  * Fixed feedback pagination and auto-pagination bugs
  * Fixed trace drawer skeleton not appearing immediately

  **Download the Helm chart:** [`langsmith-0.13.0.tgz`](https://github.com/langchain-ai/helm/releases/download/langsmith-0.13.0/langsmith-0.13.0.tgz)
</Update>

<Update label="2026-01-12" tags={["self-hosted"]} rss={{ title: "2026-01-12 - self-hosted" }}>
  ## langsmith-0.12.37

  * Added `agent_builder_enabled` feature flag for self-hosted deployments
  * Added ability to delete files in the memories folder
  * Added secrets import flow in workspace settings
  * Improved streaming tree performance
  * Fixed scroll behavior in trace tree
  * Fixed unicode truncation issues in trace display
  * Fixed onboarding screen showing when runs exist
  * Fixed various Agent Builder sidebar and navigation issues
  * Fixed OAuth callback URL enforcement to require HTTPS

  **Download the Helm chart:** [`langsmith-0.12.37.tgz`](https://github.com/langchain-ai/helm/releases/download/langsmith-0.12.37/langsmith-0.12.37.tgz)
</Update>

<Update label="2026-01-09" tags={["self-hosted"]} rss={{ title: "2026-01-09 - self-hosted" }}>
  ## langsmith-0.12.36

  * Added support for custom MCP servers with OAuth in Agent Builder
  * Added ability to view and edit memory files in Agent Builder
  * Added support for attachments in the frontend
  * Improved streaming tree performance in trace viewer
  * Fixed scroll behavior in trace tree
  * Fixed unicode truncation issues in trace display
  * Fixed onboarding screen showing incorrectly when runs exist
  * Increased maximum automation rules per workspace to 200

  **Download the Helm chart:** [`langsmith-0.12.36.tgz`](https://github.com/langchain-ai/helm/releases/download/langsmith-0.12.36/langsmith-0.12.36.tgz)
</Update>

<Update label="2026-01-08" tags={["self-hosted"]} rss={{ title: "2026-01-08 - self-hosted" }}>
  ## langsmith-0.12.35

  * Added per-bar highlighting for feedback charts in experiments
  * Added Agent Builder activity feed
  * Changed experiment chip to hover card for better usability
  * Fixed agents appearing in random sidebar positions
  * Fixed tool modal nesting issue in playground
  * Fixed diff mode fallback on comparison page
  * Fixed race condition in OAuth authentication requests
  * Added new Granular Usage tab for reporting billable usage by workspace, project, user, and API key (enable with `DEFAULT_ORG_FEATURE_ENABLE_GRANULAR_USAGE_REPORTING=true` and `GRANULAR_USAGE_TABLE_ENABLED=true` environment variables in `commonEnv`)

  **Download the Helm chart:** [`langsmith-0.12.35.tgz`](https://github.com/langchain-ai/helm/releases/download/langsmith-0.12.35/langsmith-0.12.35.tgz)
</Update>

<Update label="2026-12-26" tags={["self-hosted"]} rss={{ title: "2026-12-26 - self-hosted" }}>
  ## langsmith-0.12.34

  * Added Redis IAM authentication support for GCP and Azure
  * Added self-serve audit logs in OCSF format
  * Added hide column option to experiment outputs header
  * Added message\_user tool to the tool server
  * Improved trace tree loading speed
  * Allowed basic auth installations to disable invites via API
  * Fixed tenant ID handling in navigation
  * Fixed scrolling in Agent Builder templates view
  * Fixed Gmail account connection limit tooltip
  * Fixed user view preference persistence on page load
  * Fixed tab wrapping in UI
  * Made feedback charts visible by default
  * Made SCIM group name matching case-insensitive

  **Download the Helm chart:** [`langsmith-0.12.34.tgz`](https://github.com/langchain-ai/helm/releases/download/langsmith-0.12.34/langsmith-0.12.34.tgz)
</Update>

<Update label="2025-12-20" tags={["self-hosted"]} rss={{ title: "2025-12-20 - self-hosted" }}>
  ## langsmith-0.12.33

  * Security fix: fixed Studio vulnerability to malicious `baseUrl` param by requiring user-defined allowed origins
  * Allow enabling invites alongside JIT provisioning for SSO (OAuth with Client Secret mode only)
  * Added self-serve audit logs for administrative actions (Private Preview)

  **Download the Helm chart:** [`langsmith-0.12.33.tgz`](https://github.com/langchain-ai/helm/releases/download/langsmith-0.12.33/langsmith-0.12.33.tgz)
</Update>

<Update label="2025-12-12" tags={["self-hosted"]} rss={{ title: "2025-12-12 - self-hosted" }}>
  ## langsmith-0.12.32

  * Added IAM connection support for PostgreSQL (AWS only).
  * Added GPT-5.2 model support to the playground.
  * Added support for setting memory limits on executor pods.

  **Download the Helm chart:** [`langsmith-0.12.32.tgz`](https://github.com/langchain-ai/helm/releases/download/langsmith-0.12.32/langsmith-0.12.32.tgz)
</Update>

<Update label="2025-12-11" tags={["self-hosted"]} rss={{ title: "2025-12-11 - self-hosted" }}>
  ## langsmith-0.12.31

  * Improved error messages for basic authentication misconfiguration.
  * Added organization operator role support.
  * Fixed issues with streaming datasets endpoint.

  **Download the Helm chart:** [`langsmith-0.12.31.tgz`](https://github.com/langchain-ai/helm/releases/download/langsmith-0.12.31/langsmith-0.12.31.tgz)
</Update>

<Update label="2025-12-09" tags={["self-hosted"]} rss={{ title: "2025-12-09 - self-hosted" }}>
  ## langsmith-0.12.30

  * Fixed API Docs button not redirecting to the correct URL when using a sub path.
  * Performance improvements and bug fixes.

  **Download the Helm chart:** [`langsmith-0.12.30.tgz`](https://github.com/langchain-ai/helm/releases/download/langsmith-0.12.30/langsmith-0.12.30.tgz)
</Update>

<Update label="2025-12-08" tags={["self-hosted"]} rss={{ title: "2025-12-08 - self-hosted" }}>
  ## langsmith-0.12.29

  * Added mTLS (mutual TLS) support for ClickHouse connections to enhance security for database communication.

  **Download the Helm chart:** [`langsmith-0.12.29.tgz`](https://github.com/langchain-ai/helm/releases/download/langsmith-0.12.29/langsmith-0.12.29.tgz)
</Update>

<Update label="2025-12-05" tags={["self-hosted"]} rss={{ title: "2025-12-05 - self-hosted" }}>
  ## langsmith-0.12.28

  * Added mTLS (mutual TLS) support for PostgreSQL connections to enhance security for database communication.
  * Added mTLS support for ClickHouse clients.
  * Fixed Agent Builder onboarding and side navigation visibility when disabled in self-hosted deployments.

  **Download the Helm chart:** [`langsmith-0.12.28.tgz`](https://github.com/langchain-ai/helm/releases/download/langsmith-0.12.28/langsmith-0.12.28.tgz)
</Update>

<Update label="2025-12-04" tags={["self-hosted"]} rss={{ title: "2025-12-04 - self-hosted" }}>
  ## langsmith-0.12.27

  * Added mTLS (mutual TLS) support for Redis connections to enhance security.
  * Added support for empty trigger server configuration in self-hosted deployments.
  * Improved incident banner styling and content.

  **Download the Helm chart:** [`langsmith-0.12.27.tgz`](https://github.com/langchain-ai/helm/releases/download/langsmith-0.12.27/langsmith-0.12.27.tgz)
</Update>

<Update label="2025-12-01" tags={["self-hosted"]} rss={{ title: "2025-12-01 - self-hosted" }}>
  ## langsmith-0.12.25

  * Enabled Agent Builder UI feature flag for self-hosted deployments.
  * Added Redis Cluster support for improved scalability and high availability.

  **Download the Helm chart:** [`langsmith-0.12.25.tgz`](https://github.com/langchain-ai/helm/releases/download/langsmith-0.12.25/langsmith-0.12.25.tgz)
</Update>

<Update label="2025-11-27" tags={["self-hosted"]} rss={{ title: "2025-11-27 - self-hosted" }}>
  ## langsmith-0.12.24

  * Added dequeue timeouts to all SAQ (Simple Async Queue) queues to improve reliability.
  * Performance improvements and bug fixes.

  **Download the Helm chart:** [`langsmith-0.12.24.tgz`](https://github.com/langchain-ai/helm/releases/download/langsmith-0.12.24/langsmith-0.12.24.tgz)
</Update>

<Update label="2025-11-26" tags={["self-hosted"]} rss={{ title: "2025-11-26 - self-hosted" }}>
  ## langsmith-0.12.22

  * Added Claude Opus 4.5 model support to the playground.
  * Updated dataplane operator version.
  * Added `LANGCHAIN_ENDPOINT` environment variable when basePath is configured.

  **Download the Helm chart:** [`langsmith-0.12.22.tgz`](https://github.com/langchain-ai/helm/releases/download/langsmith-0.12.22/langsmith-0.12.22.tgz)
</Update>

<Update label="2025-11-26" tags={["self-hosted"]} rss={{ title: "2025-11-26 - self-hosted" }}>
  ## langsmith-0.12.21

  * Added explicit `revisionHistoryLimit` configuration for operator deployment template.

  **Download the Helm chart:** [`langsmith-0.12.21.tgz`](https://github.com/langchain-ai/helm/releases/download/langsmith-0.12.21/langsmith-0.12.21.tgz)
</Update>

<Update label="2025-11-24" tags={["self-hosted"]} rss={{ title: "2025-11-24 - self-hosted" }}>
  ## langsmith-0.12.20

  * Added support for self-hosted customers to opt into the pairwise annotation queue feature.
  * Updated operator to version 0.1.21 in LangSmith and data plane charts.

  **Download the Helm chart:** [`langsmith-0.12.20.tgz`](https://github.com/langchain-ai/helm/releases/download/langsmith-0.12.20/langsmith-0.12.20.tgz)
</Update>

<Update label="2025-11-24" tags={["self-hosted"]} rss={{ title: "2025-11-24 - self-hosted" }}>
  ## langsmith-0.12.19

  * Fixed playground environment configuration to use correct default settings.

  **Download the Helm chart:** [`langsmith-0.12.19.tgz`](https://github.com/langchain-ai/helm/releases/download/langsmith-0.12.19/langsmith-0.12.19.tgz)
</Update>

<Update label="2025-11-20" tags={["self-hosted"]} rss={{ title: "2025-11-20 - self-hosted" }}>
  ## langsmith-0.12.18

  * Internal updates and maintenance.

  **Download the Helm chart:** [`langsmith-0.12.18.tgz`](https://github.com/langchain-ai/helm/releases/download/langsmith-0.12.18/langsmith-0.12.18.tgz)
</Update>

<Note>
  Additional Helm chart releases are available in the [`langchain-ai/helm` GitHub repository](https://github.com/langchain-ai/helm/releases).
</Note>

***

<Callout icon="pen-to-square" iconType="regular">
  [Edit this page on GitHub](https://github.com/langchain-ai/docs/edit/main/src/langsmith/self-hosted-changelog.mdx) or [file an issue](https://github.com/langchain-ai/docs/issues/new/choose).
</Callout>

<Tip icon="terminal" iconType="regular">
  [Connect these docs](/use-these-docs) to Claude, VSCode, and more via MCP for real-time answers.
</Tip>
