Ubisoft got back in touch, confirming that they have no plans to launch the Complete Edition of Far Cry 4 on Xbox One.
"The Far Cry 4 Complete Edition will be released on June 19, 2015 on Playstation4 and PC only in EMEA territories. We have no plans to release it on Xbox One," a company spokesperson told us.
Source: http://www.gamereactor.eu/news/308314/Retailer+leaks+Far+Cry+4+Complete+Edition/