XLplus Add-On Versions
When using XLplus Ver.: 3.X you have to use the corresponding XLplus Add-Ons. These all start with a 3 in their version number.
When using XLplus Ver.: 2.50 you have to use the corresponding XLplus Add-Ons. These all start with a 2 in their version number.
You cannot install a wrong version of an Add-On since the Add-On Manager will prevent this.