You might recall hearing rumours that any Xbox One on the market can be turned into a Dev Kit? Well, it turns out that there is some truth to that. Someone was kind enough to share a video on YouTube to help you turn your Xbox One into a Dev Kit. You simply have to press a range of buttons and triggers at the same time to activate it, but that's where the joy comes to an end. If you don't a Sandbox ID, provided by Microsoft, it's got little use to you and can't move to the next step.
What this does indeed mean is that if you plan to develop games in the future, and can secure a Sandbox ID, it might very well be your entry into the world of development on console. Microsoft were quick to issue a warning statement to users:
Changing the settings in this menu is only intended for developers for Xbox One, and this alone does not turn the console into a development kit. We strongly advise consumers against changing these settings as it could result in their Xbox One becoming unusable. Customers who have put their consoles into this developer setting can revert by restoring factory defaults under Settings / System, select Restore Factory Defaults.
It's probably best you don't tamper with what you don't understand, but here is that video for people who think they might just have it in them to code games: