Now that Microsoft has successfully launched Windows 10 and Windows 10 Mobile preview build 14342 for Insiders they can get on with the planned UI revamp for the Store.
Build 11604.1000.21.0 is now available to those on the Insider Fast Ring, which is a bump from the previous 11602.1.26.0. The new UI focus more on a vertical layout with reviews near the bottom and an overhaul to the general design. Also, apps and games now have a banner with a darker overlay to add some pizzazz.
Full story from the WindowsCentral blog...