The release of the New Xbox One Experience update for Microsoft's console last week may also mean it's time to refresh that custom background as well. Thankfully, Microsoft has that covered with a special template that can be used to quickly made such a background that fits with the new user interface.
Xbox Live's director of programming Larry "Major Nelson" Hryb stats:
"I asked the Xbox design team to create a Photoshop .psd template so you can easily create your own great looking custom made backgrounds for your Xbox One."
Source: Major Nelson