Thank you for this question.
Regardless of how it may seem on the surface, we still have customers interested in development for UI for Windows Universal, and even for UI for Windows Phone 8. The target OS platforms of the UI for WU and UI for UWP are different (8.1 vs 10), so generally speaking we can't talk about 'update' as none of the products cover the other one entirely (unlike the update from UI for WU to DevCraft which contains UI for WU and
other products) and the UI for WU is an active product rather than a discontinued one. So, these are two separate products and if you want UI for UWP this would mean obtaining a separate license for it. Again, we have internal talks as to what we can do it the situation and if there could be an 'upgrade' that should be automatic, or per request, or with an 'update' price, but I can't provide more details at the moment. I hope that we will be able to come out with an official statement soon.
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