Compatibility with FA 5. Due to the changes introduced in FA 5 some icons may not display, you will have to either ask your users to edit them or edit it for them.
As of now, the XF2 version is only compatible with XF 2.1 versions and above.
TypeError: Argument 2 passed to XF\Mvc\Entity\Manager::instantiateEntity() must be of type array, null given, called in /public_html/src/addons/XFA/CustomUsernameIcons/XF/Template/Templater.php on line 148
Template public:message_macros: Creating default object from empty value (src/addons/XFA/CustomUsernameIcons/XF/Template/Templater.php:155)
Preview of server icons not working in account details page
Template public:forum_list: Declaration of XFA\CustomUsernameIcons\XF\Repository\Thread::findThreadsForForumView(XF\Entity\Forum $forum, $visibilityLimit = true) should be compatible with XF\Repository\Thread::findThreadsForForumView(XF\Entity\Forum $forum, array $limits = Array) (src/addons/XFA/CustomUsernameIcons/XF/Repository/Thread.php:41)