# December 2025

## [2025.2] - December 2025

### Deployments

- Docker compose deployment on single node
- Helm deployment on kubernetes single cluster node

### Highlights

This release introduces comprehensive configuration improvements, GPU acceleration support, and enhanced security measures for the time-series analytics microservice.

### Key Features

- **GPU Acceleration**: Added GPU device support with Intel oneAPI integration for improved inference performance
- **Enhanced Documentation**: New comprehensive configuration guides for UDFs, MQTT alerts, and OPC UA alerts
- **Docker Optimization**: Upgraded to Kapacitor 1.8.2 with multistage builds for improved efficiency and security

### What's New

#### Configuration & Documentation
- New "How to Configure" guide with example JSON configurations
- DockerHub documentation for Docker images and Helm charts
- Device selection support for CPU or GPU inference

#### Infrastructure Improvements
- Upgraded base Docker image from Kapacitor 1.7.7 to 1.8.2
- Enabled multistage Docker builds reducing image size
- Added Nginx root URL routing support
- Updated Helm charts and deployment configurations

#### Code Quality & Security
- Fixed Trivy security vulnerabilities by updating FastAPI and Kubernetes configurations
- Resolved bandit security vulnerability for tmp directory usage
- Fixed Python linting issues with comprehensive docstrings
- Improved HTTP status code handling (400, 422, 503) for better error reporting

#### Maintenance
- Standardized logging format using parameterized strings
- Removed deprecated Model Registry references
- Cleaned up documentation structure across components
- Removed oneAPI toolkit to reduce image size

### Bug Fixes
- Fixed OPC UA alert error code propagation
- Corrected documentation links and architecture references
- Updated OPC UA server certificate naming
- Fixed variable naming and removed duplicate imports

### Breaking Changes
None

### Upgrade Notes
- Docker images now use Kapacitor 1.8.2 - UDF implementations updated for API compatibility
- Helm chart version updated from 1.0.0 to 1.1.0-weekly
- Python dependencies updated across multiple licenses

More details at [user-guide](../../user-guide/index.rst)