xF2 Add-on [Xen-Soluce] Staff Conversation 2.2.0

Changed :

• Code cleaned.

Added :

• N/A

Removed :

• N/A

Note :

• This version of the add-on is now compatible with the version 2.3.0+ of XenForo.
• This version of the add-on now require PHP 8.0+.