Update October 1, 2026

TrueConf Server: Security Updates for September 2026

We have released an important security update for September 2026. We recommend immediately upgrading to the latest versions of TrueConf Server — 5.3.10, 5.4.10 and 5.5.6. Declining to install the updates will reduce the protection of your video collaboration system against potential hacker attacks via…

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Update September 29, 2026

TrueConf Calendar Connector 2.5 Update: Changes and Improvements

We are pleased to announce the release of TrueConf Calendar Connector 2.5, an update of our solution for synchronizing calendar events between Microsoft Exchange and TrueConf Server. This version brings multiple changes and fixes which improve overall stability.

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Update Microsoft Outlook Mozilla Thunderbird

TrueConf 2.0.3 Plugin for Mail Apps: Changes and Improvements

TrueConf 2.0

We are pleased to announce the version 2.0.3 of our plugin for Microsoft Outlook and Mozilla Thunderbird. This update includes a number of fixes and brings improved stability.

We recommend using the TrueConf 2.0 plugin for Outlook and Thunderbird when connecting to TrueConf Server 5.5 or above. Use the version 1.3 of the plugin when connecting to earlier versions of TrueConf Server.

Install
Guide

Changes and Improvements

  • Fixed the following bug: the button for opening the plugin was not displayed in the event creation window in Thunderbird if a user checked the box “Edit events and tasks in a tab instead of a dialog window”
  • Improved overall stability.
Ivan Datsenko

Ivan Datsenko

Date published: 01.10.2026
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Ivan Datsenko

Ivan Datsenko

Date published: 01.10.2026