My npc show the new backpacks but he dont sell them.
shopModule:addBuyableItem({'lizard backpack'}, 11236, 20, 'lizard backpack')
shopModule:addBuyableItem({'expedition backpack'}, 11234, 20, 'expedition backpack')
shopModule:addBuyableItem({'minotaur backpack'}, 11237, 20, 'minotaur backpack')