friendly reminder, this is from the same company whos prior AI, "Tay" managed to go from quirky teen to full on white nationalist during the first release in under a day and in 2016 she reappeared as a drug addled scofflaw after being accidentally reactivated.
Other way around, Xiaoice came first, Xiaoice came first, Tay was supposed to be its US version although I'm not sure if it was actually the same codebase.
https://en.wikipedia.org/wiki/Tay_(bot)