Release 6.4

November 2025

Whats New In Our Products ?

Kelvin UI

New Features

Asset Control Panel Views – Users can now create and switch between multiple widget views, enabling customized workflows per use case.
Inline Recommendations in Asset Insights – Recommendations are now displayed directly within the Asset Insights table for faster contextual actions.
Inline Data Explorer in Asset Insights – Data Explorer visualizations can now be accessed directly from Asset Insights without leaving the page.
Data Export for All Tables – All tables across the platform now support data export in standard formats.

Enhancements

Asset Control Panel Widget Management – Added widget remove button, improved visual feedback, and introduced clear saving-state indicators for a smoother editing experience.
Data Quality – Data Quality metrics are now user-manageable, with custom metric support, updated stale-detection logic, and grouping by Data Stream and Asset.
Data Explorer – Added Y-axis auto-scale toggle, introduced Light Mode, removed redundant polling indicators, and improved data-fetching performance.
JSON Schema Forms – Major overhaul of the JSON Schema form engine and validation system, improving consistency and reliability across all editable forms and tables.
Asset Insights Table – Improved navigation persistence and caching, maintaining table context (page, filters, and search) when returning to the view.

Bug Fixes

General bug fixes and stability improvements across the platform.

Kelvin API

What’s New

APIs & Features:
- Added new CRUD API to manage Data Quality Metrics.
- Added Data Quality metrics endpoints to the spec.
- Added Kelvin stale detection algorithm for data quality.
- Added expiration worker for api-control-change.
- Added app validations and JSON schema–based validations.
- Added custom actions support in workload creation and app deploy endpoints.
- Added ClickHouse latest value views for primitive types.
- Added back filler job for API Timeseries.
- Added influx → clickhouse migrator.
- Added ClickHouse migrator.
- Added ClickHouse Importer:
  - Clusters importer.
  - Nodes importer.
  - Secrets importer.
  - Data Tags importer.
- Added new environment variables to the workload converter sidecar.
- Added ListTimestamp to the primitive types list.
- Added gRPC client config with retry logic up to 5 seconds.
Platform & Orchestration:
- Added HA-related logic:
  - Return information about HA mode and how to download the provisioning script.
  - Added HA parameter to join script info.
- Added to the edge-k8s a new dynamic configuration routine to handle dynamic setting changes.
- Isolated API orchestration database migrations by using Bun migrator.
- Updated Edge API spec with new workloads logic and structure.
Edge / Provisioning:
- Added support for mount manifests.bin(runtime and app manifest), when the gateway supports the new structure.
- Improved Kelvin provision scripts.
Core / Workflows:
- Prepared the Core API repository for GitHub builds using workflows.
- Added workflow improvements to filter services built in CI.

What’s Changed

API / Behavior Changes:
- API App:
  - Indirect workload updates are now performed asynchronously by the workload updater.
  - Now validates JSON Schema for parameters and configuration.
  - When applicable, copy the app version defaults to the new version.
- Data Quality:
  - Refactored the interval strategy alignment between Influx & ClickHouse.
  - Return empty statistics when the asset type has no assets.
  - Use the asset datastream count instead of the timeseries data for aggregation.
  - Asset aggregation now accounts for data quality configurations.
- API timeseries:
  - Improvements in the migrator to avoid memory “blow-up”.
  - Added definer permissions for ClickHouse views.
  - Minor performance improvements and bug fixes.
  - Added views for the last values and a back-filler job.
- API Orchestration:
  - Fixed HA join script information.
Developer Experience / Internal Improvements:
- Numerous refactors to Data Quality, Data Tag, API App, and ClickHouse Importer codebases.
- Refactor edge-k8s and workload deployments to support app.bin + manifests.bin.
- Improved performance:
  - Asset Insights API (apps portion).
  - Properties API.
- Test improvements:
  - Added unit tests for ClickHouse importer.
- Various linter updates and cleanup across repos.

What’s Deleted

Data Quality datastream type removed from datastream spec.
Data Quality type removed from Datastream API.
Removed deprecated linters from the Core API linter config file.
Removed unused code from the Core API repository.

What’s Deprecated

Old manifest deployment type handling (now replaced with the new app.bin/manifest.bin structure).
Legacy Data Tag migrators removed.
Old workload logic replaced by the new Edge API spec.