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Release 6.2

September 2025

Whats New In Our Products ?

Kelvin UI

What's New

Kelvin Core UI
Kelvin AI
  • Control Changes prompt response updated
  • Line plot prompt response updated with new Data Explorer Lite
  • Prompt modal layering and UX improvements (minimized state)
Data Explorer
  • New Data Explorer Lite with link generation and view ids
  • Back button in top bar with proper browser-history fallback
  • Support for group_by_selector and ignoring empty resources
  • Custom line-chart tooltip and activity tooltip improvements
  • Auto-toggle improvements when datastreams are selected
  • Shareable view: option to include zoom range stack + pre-defined/preview views
Connections
  • New deployment UI (phase 2) and IO Mapping Update wizard
  • Validation for custom actions and datastreams usage
Data Streams
  • Protected datastreams not editable or deletable
  • Allow clearing semantic type and description
Recommendations
  • New Data Explorer Lite as evidence
  • Clickable sources/resources
Applications & Workloads
  • Display default application parameters alongside asset parameters (App Parameters and Asset Details)
  • Only show versions with assets on parameters tab
  • Redirect to home screen when workload is deleted
Table / Map Views
  • Views: shared views management, manage views action.
  • Table: enable range selection; single-row selection; enhance checkbox click area
Clusters, Orchestration & Monitoring
  • Clusters: add node capacity
  • Orchestration: update "received" status icon/color mapping
  • Grafana: routes refactor, kiosk updates, dashboards updates; removed audit logs
Guardrails
  • Enable creation for object datastreams
  • Remove min/max constraints for control disabled guardrails

What's Deleted

  • Removed legacy audit logs dashboards (consolidation in Grafana)
  • Filtered Data Quality datastreams from certain parts of the application

What's Changed

Feneral Changes
  • Improved parameter handling and validation across Applications/App Manager
  • Better loading states, error messages, and navigation consistency
  • Streamlined deployment and connection workflows
Performance Improvements
  • Improved query processing and chart rendering in Data Explorer
  • Optimized polling and request cadence for workloads and controls
  • Reduced UI re-renders in widgets management

Kelvin API

What's New

Data Quality
  • Added new Data Quality API and injectors.
  • Introduced a simulated data quality endpoint and bulk update.
  • Enabled Data Explorer Evidence type in recommendations.
  • Support run data quality algorithms on historical data.
  • Applied update and delete data quality changes on the runtime builder.
  • Added reserved data qualities validation.
Edge
  • Workloads now inject KELVIN_APP_NAME, KELVIN_APP_VERSION, and KELVIN_NODE_NAME environment variables.
  • Added configuration section to config.yaml for Docker clusters.
  • MQTT address fix for Docker clusters.
  • ListAddressableResources response now returns krn:wlappv instead of krn:wl.
API
  • Added simulate and bulk update endpoints for data quality.
  • api-datastreams: Added support for created_by, updated_by, and nullable semantic_type, unit_name, and description.
  • api-asset: Added created_by and updated_by in projections.
  • api-properties: Added date and by columns to properties tables.
  • api-timeseries: Added ClickHouse support, client, health-checker, and enhancements for range/download using yield/sink pattern.
Keycloak
  • Manage (create, delete, update) realm requiredActions in bootstrap.
  • Allow defining/removing default required actions via config.
Provision
  • Added kelvin-provision report command to collect debug information.
ClickHouse
  • Ingestion of timeseries data into ClickHouse.
  • Introduced properties importer.
  • Added actions migrations + health checker.
  • Implemented a worker to copy data from the API DB to ClickHouse.
  • Importers can now run sequentially in the first iteration, then in parallel goroutines.
App
  • Added Grafana metrics dashboard name to config.

What's Changed

Workloads
  • Removed all resource relations when no owned resources exist.
  • Updated workload resources relation dynamically.
  • Injector ensures only owned resources are added.
App / Workloads
  • Prevent use of protected env vars in app/workload operations.
  • Fixed secret injection when containing special characters or multiline values.
  • Fixed manifest-to-yaml conversion.
  • Reset data qualities in manifest when none defined.
API
  • Improved bulk error messages.
  • Improved Keycloak health checker.
  • Fixed validation for data qualities and datastreams.
  • Fixed migrations in assets and bulk create assets error handling.
  • api-asset: Fixed orchestrator set partial condition + migration fixes.
  • api-asset: Ensured a safe copy of system variables when creating workload builder.
  • api-cc: Fixed inbox entries losing ts and traceID; improved clustering strategy.
  • api-timeseries: Added type hints for array values, improved default precision for inserted_at.
ClickHouse Importer
  • Refactored for better organization and to add views for all tables.
  • Correctly infers property value variant types and handles deleted asset properties.
  • Improved control changes type handling.
Performance
  • Updated clustering strategy in api-recommendations and api-cc.
  • Added DB index for app_resource_context.resource_nested.data-quality.
  • Optimized control-change queries with a new index.

What's Deleted

  • Old database tables cleanup.

What's Deprecated

  • n/a

Whats New in our Documentation ?

What's New

  • Overview → Overview → Concepts → Data Quality page
  • Developer Tools → Developer Tools → How To Guides → Develop Connections → KRN Reference page
  • Developer Tools → Developer Tools → How To Guides → Develop SmartApps → KRN Reference page
  • Developer Tools → Developer Tools → Use Cases → Databricks Data Export page
  • Operations Tools → Operations Tools → Kelvin AI → How To → Data Explorer Light page
  • Operations Tools → Operations Tools → Applications → How To → Assets Tab → Remove Assets page

What's Updated

  • Overview → Overview → Concepts Overview → Connection page
  • Overview → Overview → Concepts Overview → Control Change page
  • Overview → Overview → Concepts Overview → Guardrail page
  • Overview → Overview → Concepts Overview → KRN page
  • Overview → Overview → Security & Certifications → Cloud - Edge Communications page
  • Developer Tools → Developer Tools → Application Quick Start → 5. Configure page
  • Developer Tools → Developer Tools → Application Quick Start → 6. Deploy page
  • Developer Tools → Developer Tools → Application Quick Start → 7. Monitor page
  • Developer Tools → Developer Tools → How To Guides → Develop SmartApps → Create a SmartApp page
  • Developer Tools → Developer Tools → How To Guides → Develop SmartApps → App Configuration page
  • Developer Tools → Developer Tools → How To Guides → Develop SmartApps → App Parameters page
  • Developer Tools → Developer Tools → How To Guides → Develop SmartApps → Produce → Recommendations page
  • Developer Tools → Developer Tools → How To Guides → Develop SmartApps → Spotlight Tips → Schedules page
  • Developer Tools → Developer Tools → How To Guides → Develop Connections → App Configuration page
  • Developer Tools → Developer Tools → How To Guides → Develop Connections → Create an Import page
  • Developer Tools → Developer Tools → How To Guides → Develop Connections → Create an Export page
  • Developer Tools → Developer Tools → How To Guides → Develop Connections → Upload a Connection page
  • Developer Tools → Developer Tools → How To Guides → Deploy SmartApps → Start/Stop Workload page
  • Developer Tools → Developer Tools → How To Guides → Deploy SmartApps → Delete a Workload page
  • Developer Tools → Developer Tools → How To Guides → Deploy SmartApps → Deploy Workload Offline page
  • Developer Tools → Developer Tools → How To Guides → Deploy SmartApps → Deploy Workload page
  • Developer Tools → Developer Tools → How To Guides → Deploy SmartApps → Update Workload Version page
  • Developer Tools → Developer Tools → How To Guides → Advanced → Docker Apps → Create a Docker App page
  • Operations Tools → Operations Tools → Asset Maps → How To → Filtering Visible Assets page
  • Operations Tools → Operations Tools → Asset Maps → How To → Viewing Assets page
  • Operations Tools → Operations Tools → Assets → How To → Asset Details → Control Panel Tab page
  • Operations Tools → Operations Tools → Assets → How To → Asset Overview → Managing Assets page
  • Operations Tools → Operations Tools → Assets → How To → Manage Recommendations → View Recommendations page
  • Operations Tools → Operations Tools → Assets → How To → Manage Parameters → Create Scheduled Parameter page
  • Operations Tools → Operations Tools → Data Explorer → How To → View Control Changes page
  • Operations Tools → Operations Tools → Data Explorer → How To → Monitor an Asset's Data page
  • Operations Tools → Operations Tools → Applications → How To → Assets Tab → Add Assets page
  • Operations Tools → Operations Tools → Applications → How To → Assets Tab → Action Recommendations page
  • Operations Tools → Operations Tools → Applications → How To → Parameters Tab → Overview page
  • Operations Tools → Operations Tools → Applications → Overview page
  • Operations Tools → Operations Tools → Overview page
  • Platform Administration → Platform Admin → Quick Start → 1. Provision your Cluster page
  • Platform Administration → Platform Admin → Quick Start → 2. Connect to your data page
  • Platform Administration → Platform Admin → How To Guides → Asset Management → Asset Type → Delete an Asset Type page
  • Platform Administration → Platform Admin → How To Guides → Cluster Management → Overview page
  • Platform Administration → Platform Admin → How To Guides → Connection Management → Connect to Data → CSV Publisher page
  • Platform Administration → Platform Admin → How To Guides → Connection Management → Connect to Data → Custom Connection page
  • Platform Administration → Platform Admin → How To Guides → Connection Management → Connect to Data → Connect to Modbus page
  • Platform Administration → Platform Admin → How To Guides → Connection Management → Connect to Data → Connect to OPC UA page
  • Platform Administration → Platform Admin → How To Guides → Connection Management → Connect to Data → Connect to ROC page
  • Platform Administration → Platform Admin → How To Guides → Connection Management → Update a Connection page
  • Platform Administration → Platform Admin → How To Guides → Data Stream Management → Delete a Data Stream page
  • Platform Administration → Platform Admin → How To Guides → Guardrails → Create a Guardrail page
  • Platform Administration → Platform Admin → How To Guides → Guardrails → Overview page
  • Platform Administration → Platform Admin → How To Guides → User Management → Keycloak → Enable 2fa page
  • Platform Administration → Platform Admin → How To Guides → Edge Services → Edge UI Dashboard page

What's Deprecated

  • None

What's Deleted

  • Developer Tools → How To Guides → Logs & Telemetry -> View Audit Logs page

What's Changed

  • Updated all libraries
  • Minor corrections and updates
  • Screenshots updated to latest version look and feel
  • API reference documentation updated