Why are Xbox One cookies lost after each HttpClient call and not persisted as stated in the Windows.Web.Http documentation?

GW 21 Reputation points

Xbox One cookies using Windows.Web.Http are not updated and persisted after each HttpClient call and reused for any subsequent HttpClient call. Cookies have to be manually persisted and added before each HttpClient which not only problematic, but requires keeping separate code paths for Xbox One and PC / Desktops.

Universal Windows Platform (UWP)
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