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Trendz Release Notes

v1.15.1 (April 15, 2026)

New features:

  • Added anomaly creation wizard.
  • Added anomaly detection summary page.
  • Added anomaly model result page.
  • Improved design in anomaly model interface.
  • Improved anomaly model accuracy.
  • Added automatic topology synchronization mechanism (Lite topology discovery).
  • Improved export to dashboard with alias.
  • Added support for dashboard grouping interval in the date picker within Trendz views.
  • Added an export button to Trendz view action buttons.

Bug fixes:

  • Fixed date formatting in exported data.

v1.15.0.5 (February 26, 2026)

Bug fixes:

  • Fixed row click behavior when no items are found in table views.
  • Fixed chart refresh after saving anomaly views.
  • Fixed date export functionality.
  • Fixed owner entity loading.
  • Minor Metric Explorer UI fixes.

v1.15.0 (January 20, 2026)

Improvements:

  • Implemented bidirectional communication between Trendz and ThingsBoard.
  • Switched Trendz communication with ThingsBoard from JWT tokens to API tokens; removed signing key.
  • Implemented licensing logic v2.
  • Migrated Trendz Widget Bundle and JS summary module to sysadmin-level.
  • Implemented auto-update for Trendz Widget Bundle and JS summary module.
  • Added Advanced Analytics View widget, replacing Trendz View Static and Trendz View Latest widgets.
  • Unified Trendz update scripts to match ThingsBoard style.
  • Added more information on the Task page.
  • Removed external font dependencies.
  • Improved anomaly model build and refresh performance.

Bug fixes:

  • Fixed anomalies model rebuild functionality
  • Fixed horizontal chart layout rendering on dashboards
  • Fixed loader duplication issue in Mozilla Firefox
  • Fixed freeze issue under high load.
  • Resolved all critical and high severity vulnerabilities.

v1.14.0 (November 6, 2025)

Improvements:

  • Added Metric Explorer feature.
  • Added Native Calculation Fields.
  • Introduced new view type: AI Card.
  • Added ability to use multiple AI models.
  • Added ability to test prompts.
  • Added Markdown support in AI Summary module.
  • Added support for ARM architecture.
  • Added support for non-numerical calculation fields.
  • Added ability to install custom libraries in the Python Executor.
  • Added support for MSSQL, MySQL, and Oracle databases for external datasource logic.
  • Improved performance by prioritizing UI requests over background tasks.
  • Improved UI for anomaly models.

Bug fixes:

  • Fixed average aggregation.
  • Fixed prompt and view summary task logic.
  • Fixed Python security issue.
  • Fixed state field logic.
  • Fixed tooltip visibility issues.
  • Fixed issue when a device became active after telemetry was sent.

v1.13.2 (June 27, 2025)

Improvements:

  • Redesign anomaly autodiscovery tasks
  • Add job for saving anomaly scores as a telemetry in ThingsBoard
  • Create alerts based on discovered anomalies
  • Add new filter conditions - ‘not in’ and ‘does not contain’
  • Filter business entities based on user permissions
  • AI Assistant - improve conversation interface

Bug fixes:

  • Fix fill gaps strategy during anomaly detection
  • Fix issue with failed topology rediscovery
  • Fix query planner for calculated fields
  • Invalidate jwt tokens based on user activity
  • Fix multitenant validation procedure

v1.13.1 (May 2, 2025)

Improvements:

  • Prompt templates for agentic knowledge and instructions management
  • Add summarization and explanation for visualizations with AI assistant
  • Conversation interfaces for AI assistant
  • Add ThingsBoard widget action to interact with AI assistant
  • Added support for OpenAI API-compatible models
  • Add support for custom and self-hosted LLM providers
  • Added support for OpenAI o4 family model
  • Add Trendz task sequencing API

Bug fixes:

  • Fix heatmap translation
  • Fix AI assistant memory aggregation
  • Fix drag and drop after unsuccessful view config save
  • Fix issue with renamed calculated fields
  • Fixed manual task execution failures

v1.13.0 (March 10, 2025)

Improvements:

  • Add AI assistant for creating visualization
  • Add AI Assistant widget for ThingsBoard dashboards
  • Configurable LLM providers for assistant

Bug fixes:

  • Fix access denied error for public dashboards
  • Improve fill gap strategy for time series fields
  • Fix translations for chart tooltips
  • Fix task automated refresh for calculated fields
  • Fix delta aggregation for raw data loading mode
  • Fixed issues with UNIQUE + COUNT operations in calculated fields
  • Fixed issues related to model retraining in Prophet and multi-Prophet scenarios.
  • Corrected the AUTO segmentation strategy for prediction models

v1.12.0 (December 31, 2024)

Improvements:

  • Prediction model training and validation framework
  • Background tasks for prediction models
  • Add prediction fields support in calculated fields and views
  • Persisting forecasts as telemetry in ThingsBoard
  • Custom translation and locales management
  • Add support of new ThingsBoard widgets (ThingBoard 3.9+)
  • Add support of Two-factor authentication
  • Filter data by Date fields inside views

v1.11.2 (November, 2024)

Improvements:

  • Configurable data gap for state fields
  • Add manual calculation task repeat
  • Extend calculation jobs configuration
  • Add failed execution details page
  • Add option to show selected date range and filters information in exported XLS/XLSX files

Bug fixes:

  • Optimize export latency for large datasets
  • Fix relative dashboard time-window and interval time ranges

v1.11.1 (October, 2024)

Improvements:

  • Add possibility to choose several entities in row click event
  • Add advanced formatting for filters in table view
  • Add quantile based classification method for heatmaps
  • Add additional settings for pie chart labels
  • Add time range strategy for calculation fields
  • Add export to XLSX

Bug fixes:

  • Fix export from views (order of rows, formatting strings that contains scientific notation)
  • Fix filters in anomaly model settings
  • Fix table dynamic columns sorting
  • Fix showing units in views tooltips

v1.11.0 (March, 2024)

Improvements:

  • Persisted calculation fields management
  • Improve calculation fields debug and monitoring instruments
  • Implement scheduled tasks
  • Implement reprocessing tasks
  • Task executions management
  • Add search for filter options
  • Trendz configuration import/export - add anomaly models, tasks, calculations
  • Subscribe to filter updates for Trendz views on the dashboard
  • Update Trendz settings page layout

Bug fixes:

  • Fix search speed in big topology graph
  • Fix OOM in python engine

v1.10.3-HF7 (January, 2024)

Improvements:

  • Improve query planner based on relation graph
  • Add transactional topology refresh
  • Add load balancing option for data queries
  • Improve calculated scripts error logging
  • Re-use time zone from browser time window
  • Optional multi-root items loading
  • Apply selected sorting for exported data
  • Add trend line for line charts
  • Add pre-aggregation configuration for prediction models
  • Add row click event for pie charts

Bug fixes:

  • Fix tooltips and units in views
  • Fix field load ordering process
  • Fix heatmap export for multiple fields
  • Fix time synchronization between ThingsBoard dashboard and Trendz view
  • Fix Business Entities sorting after topology discovery
  • Fix chart background color when exporting as image
  • Fix view update in safari
  • Fix trendz bundle update in widget library
  • Fix duplicated bars on chart for predicted timeseries

v1.10.3 (September, 2023)

Improvements:

  • Add support of SQL datasources
  • Add option to remove blank series form view
  • Improve root selection during query planing
  • Add support of new ThingsBoard widget bundle format (ThingBoard 3.6+)
  • Improve predefined options to date picker
  • Add user timezone to calculated field
  • Topology validation during discovery

Bug fixes:

  • Fix trend-line calculation for scatter plot
  • Fix blank view during report generation
  • Fix delta aggregation

v1.10.2 (August, 2023)

Improvements:

  • Add Python script support for calculated fields (Beta)
  • Add Python script support for forecast models (Beta)
  • Add support of multivariable prediction models
  • Add new forecast models: Prophet, ARIMA, SARIMAX
  • Add widget auto-refresh in rela-time on the ThingsBoard dashboard
  • Add white labeling settings
  • Add dark mode
  • Manual set axis min/max ranges

Bug fixes:

  • Fix discovery process for fields with special characters
  • Fix blank Trendz widget on export to PDF
  • Fix delta aggregation for calculated fields
  • Fix Trendz bundle update process to the latest version

v1.10.1 (May, 2023)

Improvements:

  • Add the ability to schedule anomalies autodiscovery
  • Add debug instruments for developing calculated fields
  • Migrate simple calculated field computation into the backend JS engine
  • Update widget bundle to ThingsBoard v3.5
  • Add prediction support for calculated fields
  • Case-insensitive search for view fields
  • Add top-N limit for table, pie, and bar charts
  • Add groupBy as the input parameter for a calculated field
  • Add the ability to display separately the chart and table of the Anomaly View
  • Anomaly calendar - add full range view mode
  • Add unit into chart label and tooltip
  • Add user details menu

Bug fixes:

  • Clear cached storage on logout
  • Fix responsive layout for calendar heatmap
  • Fix background job authorization error
  • Fix the model change for the Anomaly view
  • Fix view title text size autoscaling
  • Fix authentication by the token in URL
  • Fix time formatting in exported data
  • Fix the merging process in the chart options editor
  • Fix date picker positioning for widgets

v1.10.0 (February, 2023)

Improvements:

  • New Trendz UI design
  • Grouping visualizations into collections
  • New Card template with sparkline and comparison
  • Add units into formatting function
  • Configurable axis ranges

Bug fixes:

  • Fix title editor
  • Fix heatmap NaN error
  • Fix cached report race condition in clustered setup
  • Fix caching of non-timeseries fields

v1.9.2-HF2 (December, 2022)

Improvements:

  • Add support of the latest ThingsBoard API version

Bug fixes:

  • Fix anomaly field fetching
  • Fix date field formatting inside tables
  • Fix Count aggregation in batch calculation fields
  • Fix direct view sharing on the dashboard
  • Fix formatting for duration percent fields
  • Fix cells color for a heatmap when range value is blank
  • Fix date formatting in CSV export

v1.9.2 (November, 2022)

Improvements:

  • Add alarm report
  • Manual color ranges for heat maps
  • Manual color settings for the calendar
  • Add anomaly review widget for thingsbard
  • Add row click event for bar charts and heatmaps
  • Improve authentication for background tasks
  • Add scheduled task status in the views table
  • Add white labeling options for Trendz UI
  • Improve UI responsiveness for large topologies
  • Support for native data export in ThingsBoard dashboards

Bug fixes:

  • Resolve formatting issues in CSV data export
  • Fix sorting issues in the table view

v1.9.1 (July, 2022)

Improvements:

  • Preview mode for large reports
  • Add linear regression for scatter plots
  • Use user timezone for scheduled tasks
  • Update native library for ThingsBoard 3.4+

Bug fixes:

  • Fix delta aggregation
  • Fix individual local dates for fields
  • Fix the horizontal bar zoom
  • Avoid report double loading
  • Fix scroll inside views
  • Fix date-time label formatting

v1.9.0 (April, 2022)

Improvements:

  • Add configurable fill gaps strategy
  • Add view templates
  • Save computed metrics as telemetry in ThingsBoard
  • Support of Alarm fields for reporting
  • Support of Anomaly fields for reporting
  • Combine multiple fields in a pie chart
  • Save state and calculated fields for reuse
  • Implement multi-root related items loading
  • Switch to the javascript engine for state and calculated fields
  • Improve time series prediction models
  • Support interval time window from ThingsBoard
  • Improve performance for large datasets
  • Update native library for ThingsBoard 3.3+
  • Autorefresh filter values inside reports
  • Update resources path to allow hosting of Trendz & Thingsboard on the same domain
  • Configurable tooltip type for bar/line charts
  • Collect measurements during report build
  • Host ThingsBoard widget library resources inside Trendz service

v1.8.2 (December, 2021)

Security update for resolving CVE-2021-44228 vulnerability.

  • Dependencies to log4j-core removed.
  • Dependencies to log4j API version updated to version 2.15

v1.8.0 (August, 2021)

Improvements:

  • Add persistent cache for states, simple and calculated fields
  • Add view report short term cache
  • Scheduled field cache refresh
  • Add native widget bundle for ThingsBoard
  • Change rendering engine for views that uses canvas
  • Add simplified REST API for 3rd party services
  • Add date click event for calendar view
  • Add row click event for tables
  • Add field changed event for switch config
  • Save state & calculated fields configuration
  • Improve query partitioning
  • Improve anomalies loading time
  • Add option for loading raw telemetry instead of partitioning
  • Add preview/edit links for views added on the dashboard
  • Add option for mark field as hidden in view

Bug fixes:

  • Table - fix total row when first field is not static
  • Clear duplicates when anomaly detection model cloned
  • Fix state duration percent calculation
  • Fix interval formatting issue on horizontal charts
  • Fix not valid JWT token storage
  • Fix deadlock in batch field calculation

v1.7.0 (April, 2021)

Improvements:

  • Add automated anomaly detection for assets and devices
  • Switch from in-memory DB to PostgreSQL
  • Add configuration Import/Export to file
  • Configure default sort order for reports
  • Table widget - add fit columns options

Bug fixes:

  • Fix state overlapping issue
  • Fix duration formatting for states
  • Fix filtering for text fields

v1.6.0 (January, 2021)

Improvements:

  • Support ThingsBoard Filtering API
  • Add Calendar heatmap widget
  • Configure Filter visibility
  • Support of row-click events in ThingsBoard dashboards
  • Access to rquest start/end time in calculated fields
  • Add support for Centos 8
  • Improve Fourier Transformation prediction model
  • Other performance improvements

Bug fixes:

  • Fix state duration rounding problems
  • Fix data duplication in reports
  • Fix data double loading
  • Fix label formatting for states and calculated fields

v1.5.1 (September, 2020)

Bug fixes:

  • Fix total row calculation for tables
  • Validate filtering options
  • Fix query partitioning for duplicated intervals

v1.5.0 (August, 2020)

Improvements:

  • Add White-Labeling options
  • Support of built-in and custom Themes for visualizations
  • Configurable palette colors for charts and heatmaps
  • Configurable font size
  • Individual decimal points for each field
  • Configurable visualization toolbar
  • Show/Hide Total column for tables
  • Change legend position
  • Configurable stroke types for charts
  • Widget Bundle: take time from ThingsBoard dashboard
  • Widget Bundle: support multi-value filters via ThingsBoard aliases
  • Configurable axis position and labels

Bug fixes:

  • Fix for timezone precessing
  • Remove redundant scroll for embedded visualizations
  • Fix for empty heatmap/bar chart with single series
  • Fix for topology rediscovery process
  • Fix sorting of date fields

v1.4.1 (June, 2020)

Improvements:

  • ThingsBoard v3.x support
  • Apply decimal points for visualizations
  • Change order of fields loading
  • Remove empty series from visualization
  • Reuse saved date grouping
  • User User API for entity fetching
  • Fill gaps in loaded data
  • Add Label field into topology

Bug fixes:

  • Fix infinit canceled tasks
  • Clear removed relations after topology rediscovery
  • ThingsBoard public user authentication
  • Not valid Count aggregation for streams
  • Fix bar height detection

v1.4.0 (April, 2020)

Improvements:

  • Timeseries forecast
  • State fields
  • Cache and reuse data streams
  • Remove redundant points form analysis
  • Enable horizontal bars

Bug fixes:

  • Fix TB connection leaks
  • Fix subcustomer fetching