2.0.0 Major Release (June 28th, 2026)

Mailster now runs on Joomla 3, 4, 5 and 6 (new with this release).
This version also ships a refreshed user interface as well as different improvements and fixes.

Features

  • Joomla 6 compatibility. Joomla 3, Joomla 4 and Joomla 5 are still supported.

Improvements

  • Refreshed Mailster logos, icons and styling in administrator and frontend views.
  • Improved frontend filtering/searching and Bootstrap 5 display.
  • Improved mail queue processing by handling recipient error counts more selectively.
  • Use the mailing list as default sender where possible.
  • Improved installer/update handling for current Joomla and database environments.

Changes

  • Removed obsolete K2 integration.
  • Removed legacy software manager and update-server code.

Fixes

  • Fixed several Joomla 6 compatibility issues in component, plugins and modules.
  • Fixed multiple PHP 8.x warnings and deprecated notices.
  • Fixed digest email handling when no HTML body is available.
  • Fixed sync screen when the Community Builder plugin is disabled.
  • Fixed handling of mails without TO recipients.
  • Fixed multiple smaller issues.