Revision 117 soups up Robortender item handling:
If you really want to use default familiar item (or amulet coin, if you got one), use "default".
// There are several choices for what familiar item your Robortender should wear
// bartend toggle switch (Bartend)
// bounce toggle switch (Bounce)
// equipped (whatever you manually equipped him with)
// default (whatever your default familiar item is)
string robortender_item = define_property( "VMF.RobortenderEquipment", "string", "equipped" );
If you want to manually equip him with something and use that - but let your default item be used for other familiars - use "equipped"
If you want a toggle switch (Bartend), use "bartend"
If you want a toggle switch (Bounce), use "bounce"
As always, set in the gCLI: