An image - since deleted - in Microsoft's blog post announcing Windows 10 Insider Preview build 16199 included a new taskbar icon, which led to the discovery of a new 'Control Center' for the OS.
Build 16193 RSS
Following its release of Windows 10 Insider Preview build 16193 today, Microsoft has now published its ISOs for that build - the first ISOs for the upcoming Windows 10 Fall Creators Update.
Microsoft today released Windows 10 for PCs build 16193 to the Fast ring, and while there are new features, there are also a number of fixes, improvements, and known issues to be aware of.
After Microsoft held its day two keynote at Build 2017, it released Windows 10 for PCs build 16193 to the Fast ring. It contains the new Story Remix app, as well as a few new features.