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I've been having some fun playing around with Xbox One HTML5 game development the last few days. Is anyone else doing this? I thought I'd share what I've experienced so far. * Setting up my retail xbox as a dev kit was not too bad. Following the online docs rather than the on-xbox prompts worked better. I already had a windows developer account. * I've signed up for the Xbox Creators Program, but that hasn't mattered so far - I think it'll only matter if (A) I want to access more xbox-specific APIs, and (B) if I want to release a game in the Xbox store. * Making a universal windows app out of an existing HTML5 project was OK - The way I like to arrange things means I have to wrestle with VS2017 a bit to keep it from thinking it is in charge of my project from now on, but actually getting the game running is straightforward. I found this to be true with Win8/Win10 html5 development as well. * With Windows app development these days, HTML5 and Javascript are first-class citizens. I can do anything I've needed to do, including all the regular HTML5 stuff I'm used to (fancy canvas stuff, gamepadAPI, etc.) as well as system-specific things like user account info. * After setting up the project, the process of launching on Xbox One was a little fiddly and flaky, but it's working well now. My game runs, displays everything correctly... * The development setup is actually pretty slick. You can point a browser at your newly enabled dev kit and get performance charts, memory usage, screen captures, etc. (It's a little inconsistent and not always functional, but when it works, it's neat). * I followed some documented instructions for turning off (in code) overscan and scaling, which was not as easy as expected (some API object names have different upper/lower case than documented), and I can run at 1920x1080. * I'm running at 60fps normally, though I found some cpu-intensive calculations slowed the system down to 10fps at one point. Everything looks smooth, though I'm suspicious of a tiny little hitch in one evaluation I did that seemed like it might be a regular garbage collection issue I used to see in some other Xbox-related work I did a while back. * I'm doing all this work in a custom engine of mine, and most of my engine is working great on the Xbox, including a ton of custom canvas stuff, audio, gamepadAPI, some server interaction with POST calls, and pretty much everything I expected to work. It's very much like an Edge-hosted web page, with some extra APIs. I'd love to compare notes with anyone else doing this! Lots more info on various pages connected to this page: https://docs.microsoft.com/en-us/windows/uwp/xbox-apps/getting-started