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RELEASE OVERVIEW

This release includes 3 months of development focused on performance optimization, enterprise-grade features, and system reliability improvements.

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Statistics:

- Frontend: 77 files changed, +8,016 lines added, -1,301 lines removed (Net: +6,715)
- Backend: 364 files updated
- Performance: 99% improvement on critical pages
- Bug Fixes: 20+ critical fixes

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Major Features

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Smart Asset Templates

Complete reimplementation of asset template system with automatic propagation capabilities.

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Key Capabilities:

• Template-to-sensor relationship management with automatic updates

• Threshold lock mechanism to prevent template overrides on individual sensors

• Type-specific threshold application based on sensor capabilities

• Maintenance schedule propagation across template-linked sensors

• Documentation link management and distribution

• Threshold lock controls with visual indicators throughout the UI

• Applied template displays showing current values and lock status

• Streamlined configuration interface

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Audit Trail System

Enterprise-grade audit logging with comprehensive action tracking.

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Key Capabilities:

• Dedicated audit logs page with search, filter, and export capabilities

• Complete action tracking: user, timestamp, IP address, before/after values

• Real-time updates as actions occur

• Admin-only access controls

• Export functionality for compliance reporting

• Complete history retention for regulatory requirements

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Dual-View Interface

Toggle between table and card layouts across multiple pages.

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Key Capabilities:

• Instant switching between traditional card layout and new table layout

• System remembers your preferred view mode across sessions

• Available on: Sensors, Events, Audit Logs, Accounts, and Board pages

• Custom column sorting for easy data analysis

• Smart sorting with issues and alerts automatically prioritized

• Responsive design works on all screen sizes

• Efficient rendering without data re-fetching on view toggle

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Auto-Refresh System

Configurable auto-refresh with visual feedback.

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Key Capabilities:

• Configurable intervals: Off, 1 minute, 5 minutes, 10 minutes

• Settings persist across sessions

• Visual countdown indicator in page header shows time until next refresh

• Updates data without disrupting current view or scroll position

• Performance conscious with efficient updates

• Available on: Sensors, Events, Audit Logs, and Board pages

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Performance Optimizations

Database Layer

• 30+ new indexes added for query optimization

• New lightweight endpoint for account hierarchies

• Eliminated expensive event aggregation in account list queries

• Reduced database calls from 2,400+ to 1 for accounts page

• Removed costly status icon queries

API Layer

• Optimized endpoints for Asset Templates, Users, Vendors, and Gateways pages

• Enhanced query parameter handling for better compatibility

• Improved support for multiple event type filtering

• Better caching strategies for account statistics

• Streamlined data retrieval patterns

Application Layer

• Eliminated infinite recursion in account loading

• Optimized component rendering and state management

• Improved event communication system

• Better error handling and recovery

• Enhanced synchronization for real-time updates

Performance Results

• Accounts page: 99% faster (60+ seconds to under 1 second)

• Dashboard refresh: 70% faster

• Report generation: 40% faster for large datasets

• Event history loading: 3x faster

• Notification queries: 50% reduction in load time

• 10x faster for deployments with 1,000+ sensors

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Bug Fixes

Critical Fixes

• Infinite notification escalations: Implemented proper escalation termination logic to prevent repeated alerts

• Search functionality crashes: Added defensive checks to prevent crashes when searching through records with missing data across all pages (Accounts, Users, Gateways, Vendors, Asset Templates, Events, Reports, Notifications, Audit Logs, Sensors, Services)

• Array query parameter serialization: Fixed temperature filtering when drilling down from dashboard

• Loading state issues: Proper loading state management with spinners and feedback messages across all list pages

Functional Fixes

• Door sensor battery calculations: Corrected battery percentage algorithm for accurate readings

• Event ordering: Implemented proper timestamp-based sorting for chronological display

• Sensor capability handling: System now properly respects sensor capabilities (temperature, humidity, CO2, etc.) and displays only relevant data

• Temperature event filtering: Added support for viewing both high and low temperature events simultaneously

• O2 sensor configuration: Fixed display and configuration issues

• Parent account display: Fixed accounts appearing in their own children list

• Report emails: Now work correctly in all environments

• Theme warnings: Resolved deprecation warnings

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Enhanced Features

Multi-Location Management

• Faster loading of account hierarchies (99% faster)

• Streamlined navigation through parent/child accounts

• Clearer visualization of organizational structure

• Advanced event filtering to view multiple alert types simultaneously

• Temperature drill-down includes both MIN_TEMP and MAX_TEMP events

• Humidity drill-down includes both MIN_HUMID and MAX_HUMID events

• More detailed event counts across all locations

• Improved accuracy in account-level statistics

Notifications & Alerts

• Enhanced email notification system

• Improved push notification delivery to mobile devices

• Better handling of notification failures with automatic retry

• Report emails now work correctly in all environments

• Signal strength tracking to identify sensors with weak signals

• More accurate battery level reporting

• Better prediction of battery replacement timing

• Proactive maintenance alerts

Reporting & Data Export

• Faster report generation for accounts with thousands of sensors

• Improved PDF formatting and layout

• More accurate data in account summary reports

• CSV, XLSX, and PDF exports show only relevant data based on sensor capabilities

• Better formatted export files for analysis

• Improved chart export functionality

User Interface

• Detail pages now use 90% width (max 1200px) for better screen utilization

• Responsive tables work beautifully on all screen sizes

• Better data visualization throughout the application

• Enhanced status indicators

• Improved mobile experience with better touch targets

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API Changes

New Endpoints

• GET /api/accounts/simple-tree - Lightweight account hierarchy without event aggregation

• GET /api/audit-logs - Retrieve audit log entries with filtering

• POST /api/audit-logs/export - Export audit logs for compliance

• Enhanced asset template endpoints for automatic propagation

Modified Endpoints

• Event filtering endpoints now support multiple simultaneous event types

• Query parameter format updated for better compatibility

• Enhanced error responses with detailed messages

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Security Enhancements

• Enhanced deletion protection to prevent accidental data loss

• Improved role-based permissions across all features

• Stronger authentication and session management

• Updated SSL/TLS certificates for secure communications

• IP address tracking in audit logs

• Admin-only access controls for sensitive features

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Rebranding

• Application name updated from SecureTemps to SensorHubb across all platforms

• New logo assets deployed (web, iOS, Android)

• Enhanced login page branding

• Theme-aware logos for light and dark mode

• Updated support links and contact information

• Mobile app configuration updates

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Migration and Compatibility

Fully backward compatible - no breaking changes

• Sensor configurations remain intact

• User accounts and permissions continue to work

• Historical data is preserved

• Custom settings are maintained

• Existing workflows are unchanged

• Mobile apps continue to function normally

• No user action required for deployment

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Post-Deployment Notes

• First database optimization may take 5-10 minutes after deployment

• Performance gains are immediate after optimization completes

• User preferences (view mode, auto-refresh) are automatically saved

• New features are optional and do not affect existing workflows

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System Improvements

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Reliability Enhancements

• Improved handling of sensor data during network issues

• Automatic retry with intelligent backoff during temporary failures

• Enhanced message delivery from sensors to database

• Better performance under heavy load conditions

• System automatically recovers from temporary database locks

• No manual intervention needed for transient issues

• Continuous operation even during peak load periods

• Connection timeout issues under heavy load resolved

Code Quality

• Package updates to latest stable versions

• Security patches applied across all dependencies

• Improved error handling throughout the application

• Better state management and component synchronization

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CONTACT AND SUPPORT

For technical questions or deployment assistance:

Email: support@sensorhubb.com