Software Release Notes
iTHEIA AI
itheia-ai 1.2.0
LatestReleased June 4, 2025
Summary
itheia-ai 1.2.0 includes changes to support Performance Checks and sites with two cameras.
New Features
- Performance Checks: The system can record video and save additional data about vehicles that will allow the user to review the system’s performance and generate accuracy reports.
Installation & Compatibility
- Required Software
itheia-core 1.2.0- Required Hardware
- iTHEIA Portable serial numbers beginning with “11-”, iTHEIA Permanent serial numbers beginning with “12-”
itheia-ai 1.1.0
Released October 8, 2024
Summary
itheia-ai 1.1.0 includes additional system health and performance monitoring capabilities in the back-end to improve system reliability and uptime.
New Features
- Additional System Checks: Implementation of additional AI and GPU health checks to improve system reliability.
Installation & Compatibility
- Required Software
itheia-core 1.1.0- Required Hardware
- iTHEIA Portable serial numbers beginning with “11-”, iTHEIA Permanent serial numbers beginning with “12-”
iTHEIA App
itheia-app 1.5.1
LatestReleased Nov 26, 2025
Summary
itheia-app v1.5.1 adds a help icon for the “Include Bounding Box” toggle when creating a new sample session in the Performance Check feature.
New Features
- When creating a new sample session in the Performance Check page, an information icon explains that turning the “Include Bounding Box” option off hides visual overlays in recorded videos.
Installation & Compatibility
- Required Software
itheia-core 1.4.0- Supported Browsers
- Chrome 109 or newer, Firefox 130 or newer, Microsoft Edge 128 or newer
- Required Hardware
- iTHEIA Portable serial numbers beginning with “11-”, iTHEIA Permanent serial numbers beginning with “12-”
itheia-app 1.5.0
Released Aug 25, 2025
Summary
itheia-app 1.5.0 adds support for multi-lane counting sites and two-camera installations with iTHEIA Permanent.
New Features
- Multi-Lane SitesPermanent only: Support for counting up to 4 lanes of traffic across 1 to 2 cameras.
- Two Camera SupportPermanent only: Support for sites with two cameras.
- Lane ConfigurationPermanent only: Support for assigning multiple lanes per camera.
- Live VideoPermanent only: A split-screen view on the Live Video page allows users to view live video feeds from both cameras at the same time.
- CalibrationPermanent only: Users can complete the calibration process for both cameras at the same time from the Calibration page.
- Improved Performance Check Management: View the number of remaining Performance Check sample sessions that can be stored. If needed, the system automatically removes the oldest sample session to make room for new sessions.
Installation & Compatibility
- Required Software
itheia-core 1.4.0- Supported Browsers
- Chrome 109 or newer, Firefox 130 or newer, Microsoft Edge 128 or newer
- Required Hardware
- iTHEIA Portable serial numbers beginning with “11-”, iTHEIA Permanent serial numbers beginning with “12-”
itheia-app 1.4.0
Released June 4, 2025
Summary
itheia-app 1.4.0 includes changes to support Performance Checks and adds French language support.
New Features
- Performance Checks: Record video and save additional data about vehicles to review system performance and generate accuracy reports.
- Language Selection: Added support for French. Users can choose between English and French.
Installation & Compatibility
- Required Software
itheia-core 1.3.0- Supported Browsers
- Chrome 109 or newer, Firefox 130 or newer, Microsoft Edge 128 or newer
- Required Hardware
- iTHEIA Portable serial numbers beginning with “11-”, iTHEIA Permanent serial numbers beginning with “12-”
itheia-app 1.3.0
Released March 8, 2025
Summary
itheia-app 1.3.0 includes changes to support new REST API endpoints.
New Features
- REST API Keys: Generate and manage API keys used to pull vehicle and system health data from the system via the new REST API.
Installation & Compatibility
- Required Software
itheia-core 1.2.0- Supported Browsers
- Chrome 109 or newer, Firefox 130 or newer, Microsoft Edge 128 or newer
- Required Hardware
- iTHEIA Portable serial numbers beginning with “11-”, iTHEIA Permanent serial numbers beginning with “12-”
iTHEIA Core
itheia-core 1.4.1
LatestReleased Nov 26, 2025
Summary
itheia-core v1.4.1 fixes an issue with optical character recognition (OCR) of license plates.
Bug Fixes
- Fixed an issue where the system could occasionally misidentify a character when performing OCR on license plates.
Installation & Compatibility
- Required Software
itheia-app 1.5.0- Required Hardware
- iTHEIA Portable serial numbers beginning with “11-”, iTHEIA Permanent serial numbers beginning with “12-”
itheia-core 1.4.0
Released Aug 25, 2025
Summary
itheia-core 1.4.0 adds support for multi-lane counting sites and two-camera installations with iTHEIA Permanent.
New Features
- Multi-Lane SitesPermanent only: Support for counting up to 4 lanes of traffic across 1 to 2 cameras.
- Two Camera SupportPermanent only: Support for sites with two cameras.
- Automated Sample Session Management: Automatic deletion of the oldest Performance Check sample session when the system runs low on storage space.
Installation & Compatibility
- Required Software
itheia-app 1.5.0- Required Hardware
- iTHEIA Portable serial numbers beginning with “11-”, iTHEIA Permanent serial numbers beginning with “12-”
itheia-core 1.3.0
Released June 4, 2025
Summary
itheia-core 1.3.0 includes changes to support Performance Checks.
New Features
- Performance Checks: Record video and save vehicle data for accuracy reports and system validation.
Installation & Compatibility
- Required Software
itheia-app 1.4.0- Required Hardware
- iTHEIA Portable serial numbers beginning with “11-”, iTHEIA Permanent serial numbers beginning with “12-”
itheia-core 1.2.0
Released March 8, 2025
Summary
itheia-core 1.2.0 adds a REST API for pulling vehicle and health data.
New Features
- REST API Data Access: REST API endpoints for accessing per-vehicle data records, hourly summaries, and real-time system health.
Installation & Compatibility
- Required Software
itheia-app 1.3.0- Required Hardware
- iTHEIA Portable serial numbers beginning with “11-”, iTHEIA Permanent serial numbers beginning with “12-”
iTHEIA OS
iTHEIA OS
Baseline
Summary
Includes baseline OS kernel, driver updates, and hardened security configurations for embedded iTHEIA units.
iTHEIA System Management
itheia-sysmgmt 1.4.0
LatestReleased Aug 25, 2025
Summary
System management support for multi-camera health monitoring and synchronized thermal management.
itheia-sysmgmt 1.3.0
Released June 4, 2025
Summary
Storage subsystem updates for Performance Check video buffers and quota handling.
itheia-sysmgmt 1.2.0
Released March 8, 2025
Summary
REST API authentication gateway and connection throttling.
iTHEIA Manual and Document History
Permanent Installation Manual
Comprehensive wiring, mounting, and calibration documentation for fixed roadside installations.
Portable Installation Manual
Battery deployment, tripod mounting, and mobile setup procedures for temporary traffic studies.
Operator's Manual
Latest revision of the iTHEIA Operator's Manual (DWG 3902-00213-00108 Rev H).
Download PDFAdded multi-lane configuration guidelines and dual-camera alignment steps for Permanent systems.
Added Performance Check workflows, video sample session exports, and French language UI navigation.
Updates for REST API key generation and automated session storage thresholds.
Enhanced calibration checklist and lens angle tables.
Routine operational maintenance, optical cleaning procedures, and winterization guidelines.
Initial production release manual for iTHEIA units.