Looks like Microsoft is still tweaking those Live Tiles for Windows 10. The latest SDK preview build 10563 was released today and with it came some changes to official UWP API.
The consumer-facing explanation is that soon developers will be able to add jump lists to their apps for quick-actions. A real world example of this is already found in the popular Twitter app Tweetium with a quick-action to compose a new tweet.
Full story from the WindowsCentral blog...