Some Windows 10 apps now have their own preview options that give users early access to new features without having to run Insider builds.
If you're a fan of what's next in regards to new app features, but aren't entirely committed to running pre-release builds of Windows on your main hardware to get them, we may have some good news for you. It appears Microsoft is working on a way that will allow users to preview app updates early without requiring the user to be running Insider builds.
Full story from the WindowsCentral blog...