Mailster v1.8.0 is the first release compatible with Joomla 5.
Joomla 3 and 4 are still supported, though.

Features

• Joomla 5 compatibility (Joomla 3 and Joomla 4 still supported)

 

Improvements

• CSV import also supports file with only emails (no name column)
• Improve logging for sending (and errors reported)
• Do not create Microsoft and Google default connections because of missing OAUTH2 support
• Better checks in cronjob_mailster.php template

Fixes

• Fix reCaptcha (v2 is still used)
• Fix email character display/modification issues with Baltic encoding
• Bounce emails containing email addresses in angle brackets are showing the addresses
• Admin email archive toolbar buttons are enabled/disabled accordingly to "select all" checkbox actions
• Fix multiple PHP warnings
• Fixing PHP 8.1/8.2 deprecated notices (Deprecated: strlen(): Passing null to parameter #1 ($string) of type string is deprecated)
• Fix Joomla 5 issue: Type of MailsterControllerCron::$logger must be Psr\Log\LoggerInterface