Today Microsoft released Insider Preview Build 16278 for PC to insiders on the fast ring. This release is all about bug fixes as Microsoft continues to focus on fixing bugs and increasing stability in the Windows 10 Fall Creators Update. At this point, it should be expected that all new releases will be improvements and bug fixes. […]

from https://www.bleepingcomputer.com/news/microsoft/windows-10-insider-build-16278-for-pc-released-with-only-bug-fixes/