We are developing, testing and using Akeeba Contact Us using the latest version of Joomla! and a popular and actively maintained branch of PHP 7. At the time of this writing this is:
Joomla! 3.6
PHP 7.0
Akeeba Contact Us should be compatible with:
Joomla! 3.4, 3.5, 3.6, 3.7, 3.8
PHP 5.4, 5.5, 5.6, 7.0, 7.1, 7.2
Changelog
License change to GPLv3 or later.
Converted interface to use Akeeba Frontend Framework (FEF).