We only officially support using our software with the latest Joomla! release branch, 3.9. We strongly advise you to run the latest available version of Joomla! for security reasons. Older versions of Joomla! have known major security issues which are being actively exploited to hack sites.
Our software should still run on Joomla! 3.8. However, we do not test with these versions and we no longer treat breaking support for these obsolete versions of Joomla! as a bug.
We only officially support using our software with PHP 5.6, 7.1, 7.2 or 7.3. We strongly advise you to run the latest available version of PHP on a branch currently maintained by the PHP project for security reasons. Older versions of PHP have known major security issues which are being actively exploited to hack sites and they have stopped receiving security updates, leaving you exposed to these issues.
Our software should still run on PHP 7.0. However, we do not test with these versions and we no longer treat breaking support for these obsolete PHP versions of PHP as a bug.
Please note that earlier PHP versions including but not limited to PHP 5.3, 5.4 and 5.5 are no longer supported and our software no longer works on them.