If I'm perfectly honest, I don't actually know. This mod, along with its sister mod, was one of our first ever XF releases. We have heard reports that DragonByte Signatures works fine with XF 1.5, so I suspect this will as well.
In the future, we intend to fully integrate this mod into our XenForo portfolio, but for now, if there's any issues with XF 1.5 and this mod, please feel free to report it and we will resolve it ASAP
Xenforo 1.5 Xml Upload Error
An exception occurred: Mysqli prepare error: MySQL server has gone away in /home/---/public_html/---/library/Zend/Db/Statement/Mysqli.php on line 77
Zend_Db_Statement_Mysqli->_prepare() in Zend/Db/Statement.php at line 115
Zend_Db_Statement->__construct() in Zend/Db/Adapter/Mysqli.php at line 381
Zend_Db_Adapter_Mysqli->prepare() in Zend/Db/Adapter/Abstract.php at line 478
Zend_Db_Adapter_Abstract->query() in XenForo/Model.php at line 219
XenForo_Model->fetchAllKeyed() in XenForo/Model/AdminNavigation.php at line 31
XenForo_Model_AdminNavigation->getAdminNavigationEntries() in XenForo/Model/AdminNavigation.php at line 405
XenForo_Model_AdminNavigation->getAdminNavigationForDisplay() in XenForo/Dependencies/Admin.php at line 227
XenForo_Dependencies_Admin->_getNavigationContainerParams() in XenForo/Dependencies/Admin.php at line 205
XenForo_Dependencies_Admin->getEffectiveContainerParams() in XenForo/FrontController.php at line 635
XenForo_FrontController->renderView() in XenForo/FrontController.php at line 158
XenForo_FrontController->run() in /home/--/public_html/forum/admin.php at line 13