Skip to content

Cookie preferences

We use cookies for our own analytics, to see how our campaigns perform and, if you allow it, to load content from other services such as the Google site search. We never sell your data. Necessary cookies keep the site working and cannot be switched off. See our Cookie Policy for details and our Privacy Policy for how we handle personal data.

Security, load balancing and remembering your cookie choice.

Show us which pages people read, how they find the site and where they get stuck, so we can improve it (Google Analytics, Microsoft Clarity).

Show us which of our ad campaigns bring visitors to the site and remember the campaign or partner link you arrived from (Google Ads, LinkedIn, Meta, partner program). We do not use these cookies to build advertising profiles.

Load the site search from Google when you use it. Google sets its own cookies and shows ads in the search results.

© 2026 The ThingsBoard Authors
22.5k Try for free

ThingsBoard Cloud

Choose your data region

Your data stays in the region you choose, for residency and compliance. No credit card required.

Rather run it yourself? Install on your own servers

ThingsBoard PE v4.0.x Release Notes

← Back to all releases

Everything from TB CE v4.0.2 with the following bug fixes.

Improvements and bug fixes

  • Base64-encoded vendor and model images instead of GitHub url in Converter library
  • Fixed styling in OPC-UA integration configuration form and add integration dialog
  • Fixed issue where ‘Apply changes’ button was active without changes in TCP integration
  • Fixed issue with adding data converter on slow network
  • Fixed configDirective in twilio rule-nodes

Everything from TB CE v4.0.1 with the following bug fixes.

Bug fixes

  • Fixed entities-table-widget export data if column is not included in export
  • Fixed email issue with ‘+’ in self-registration and improve user activation flow
  • Fixed raw payload update in Data Converter 2.0 test dialog
  • Fixed issue where changing script language in Data Converter reset function content to default

Everything from TB CE v4.0 with the following improvements and bug fixes.

Improvements

  • Core & Rule Engine

    • Typed uplink data converters designed for use with a specific integration type;
    • Improved performance of the aggregation rule node;
    • Improved vendors and models selection in converter library;
    • Improved integration executor performance using parallel requests to Redis cache;
  • UI

    • SCADA: Oil & Gas drilling system solution template;
    • SCADA: Energy management solution template;
    • Solution templates cards redesign;
    • Added debug configuration option to the Data converters table;
    • Added scheduler event types autocomplete in alias configuration;
    • Added option of data export for gauge widgets basic settings;
    • Added home dashboard handling for mobile signup;
    • Changed sort order in scheduler events;
    • Captcha version is now required for self-registration form;
  • Edge

    • Avoid creation of unnecessary public customers during Edge connection;

Bug fixes

  • Fixed the customer details dashboard autocomplete;
  • Fixed converter library arrow button position for small description;
  • Fixed converter library model search;
  • Fixed entities table content export;
  • Fixed help link for mail template settings;
  • Fixed incorrect help container size for custom actions in group actions;
  • Fixed placement of IoT Hub name input for Azure Event Hub;
  • Fixed converter library for ThingPark and ThingParkEnterprise;
  • Fixed entity data query bug;
  • Fixed integration daily activity stats when using dedicated events datasource;
  • Fixed relations cleanup from group after OTA removing;
  • Fixed timeseries table export data with latest;
  • Fixed untranslated error message on login page;
  • Prevented converter type changes via API;