2026 February_B (2.1.386)
🚀 Arthur Engine Release
February 18, 2026
This release strengthens evaluation workflows, task visibility, dataset intelligence, and enterprise deployment reliability across environments.
Evaluation & Experiment Enhancements
Improved Evaluation Configuration
- Added a dedicated Evals input field for clearer configuration
- Introduced a new filtering mechanism for Continuous Evals
- Updated Trace Viewer to use a unified filtering system
- Fixed span selector navigation issues
These updates make evaluations easier to configure, filter, and debug with greater precision.
Notebook & Transform Improvements
- Added request form parameter configuration within notebooks
- Introduced a “Fill from Object” button to accelerate transform setup
- Added dataset transform relevance insights
- Expanded dataset tracking visibility
- Fixed issues with new columns disappearing when applying defaults
Improves iteration speed when building transforms and ensures dataset changes behave predictably.
Task Visibility & Workflow Intelligence
Task ID Overview Dashboard
- Introduced a dedicated Task ID Overview Dashboard
- Added enhanced KPI visibility in All Tasks tile cards
- Improved automatic task assignment with Service Name Mapping
- Fixed navbar and configuration edge cases
You now have clearer operational insight into task performance and ownership.
User Experience Improvements
- Added system preferences for dark and light mode
- Fixed tabs visibility when data is available
- General UI refinements and stability improvements
These updates improve usability and consistency across the platform.
Deployment & Infrastructure Enhancements
GCP & Kubernetes Improvements
- Improved GCP deployment to load GenAI models via GCS bucket mounting
- Fixed MODEL_STORAGE_PATH handling across K8s and GCP model uploads
- Added GCP environment variables and service account support to Helm chart
- Improved container execution to support non-root environments
- Resolved GCS prefix and model directory configuration conflicts
- Fixed offline model upload issues
Arthur Engine is now more reliable across Cloud Run, Kubernetes, Helm-based deployments, and airgapped environments.
Connector & Data Support
- Added IDA token exchange support for Databricks connector
- Added support for datasets without time columns
Improves flexibility for enterprise data environments.
Agent Discovery Improvements
- Added polling mechanism for Agent Discovery
Enhances real-time visibility into deployed agents and improves discovery responsiveness.
Security & Stability Improvements
- Security update for Axios
- Authentication library updates
- Cache and dependency security patches
- Oracle driver updated to modern
oracledb - Multiple AWS SDK, React, and platform dependency upgrades
- Stability fixes across configuration, trace filtering, and merge edge cases
These changes improve security posture, dependency health, and operational stability.
Observability & Documentation
- Updated OpenTelemetry documentation
- Improved README guidance
- Added Claude Code GitHub workflow for CI improvements
What This Means for Customers
-
Stronger evaluation control
Improved filtering, clearer inputs, and better trace navigation reduce debugging time. -
Better operational visibility
The new Task ID dashboard and enhanced KPIs provide clearer insight into task performance and ownership. -
More reliable enterprise deployment
GCP, Kubernetes, Helm, and connector improvements strengthen production readiness.