Build 17672 for Insiders is now rolling out with lots of bug fixes and under the hood improvements.
Another week, another new Windows 10 Redstone 5 Insider Preview build for those in the Fast ring and Skip Ahead rings to download and test! This weeks build is 17672, and isn't as big as last weeks build, packing only minor changes and bug fixes over any new features.
Full story from the WindowsCentral blog...