JooCart,jCart 3.0.3.31 is released for OpenCart 3.0.3.8 with following changes

Changes:

1) Deprecated Joomla 4 functions are replaced with new Joomla 4 functions
2) Bug fix for minor CSS issues
3) Bug fix for moving JooCart header to Joomla header issue
4) Bug fix for Minor Multistore issue
5) Bug fix for trigger click event issue in checkout page for some third party templates

Minimum Requirements:

PHP version 7.3 or newer
No need to update database
Joomla! 3.x and 4.x