This excellent in-depth Windows Central article includes shares screenshots of the latest Windows 10 Redstone build

Microsoft is now rolling out Windows 10 build 16226 to testers with PCs configured in the Insider Fast ring. This is another significant update that delivers a new set of features and improvements that users will get as part of the Fall Creators Update, which is expected to release later this year.

Windows 10 build 16226 is a big rollout that brings more Microsoft Fluent Design System tweaks, and there are new updates for emoji, OneDrive Files On-Demand, Touch Keyboard and the handwriting experience. The Settings app adds new options and a few new changes, Task Manager now tracks GPU performance, and Microsoft Edge gets a lot of new improvements.  In this Windows 10 guide, we take a closer look at the new features and enhancements included in the latest test preview.