This self-hosted release expands feature parity with LangSmith Cloud while improving performance, security, and operational control. It brings Insights, the Agent Builder, and a revamped Experiments view to self-hosted environments, adds IAM and mTLS support for external Postgres, Redis, and ClickHouse, and introduces KEDA-based autoscaling for queue services to improve ingest reliability and throughput. Infrastructure updates include default enablement of IngestQueues with optimized replica counts and enhanced observability via optional beacon log shipping. Admin improvements focus on better governance and cost visibility, with granular billable usage reporting enabled by default and more flexible SSO invite controls.

Follow the upgrade instructions here to get access to everything:

https://docs.langchain.com/langsmith/self-host-upgrades

If you want to book time for your upgrade, feel free to contact LangChain support at suppport@langchain.dev

Breaking Changes

• The e2e test job now falls under the Backend section. It will use the Backend service account instead of the default service account.

• Autoscaling configuration has changed. See the new values here.

• A new service named ingest-queue will now be enabled by default. Make sure to update any existing network configurations that rely on service names.

• config.basicAuth.initialOrgAdminEmail has been removed from the chart. Use config.initialOrgAdminEmail instead.

Reminders

• Feedback config migration and feedback data migration jobs are now disabled by default. They were enabled by default in v0.11 and v0.12.

Infrastructure Changes

• When egress is enabled, LangSmith will now report error logs back to our team to help with troubleshooting and support. You can still disable this if needed. More information here

• KEDA scaling is now available for both langsmith-queue and ingest-queue deployments. This enables more efficient scaling based on queue backlog. See docs to enable.

New Features to call out

• Insights Agent now available in self-hosted

• Agent Builder available in self-hosted

• IAM auth for Postgres and Redis is supported

• IngestQueues are now enabled by default. The default replicas for the Queue service is now 1 (down from 3), and the default replicas for IngestQueues is 3. This will improve ingest performance.

• MTLS support for Postgres, Redis, and ClickHouse

• LangSmith now supports Redis cluster.

Admin Changes

• Allow enabling or disabling invites alongside JIT provisioning for SSO (OAuth with Client Secret mode only)

• Granular billable usage reporting is enabled by default, for tracking trace usage by user, API key, and project