Microsoft is rolling out new preview builds of Windows 10 for PC and Mobile for Insiders in the Fast ring. The new build number is 14367.
In a blog post, Windows Insider head Dona Sarkar stated:
We promised an exciting few weeks and we weren't kidding. You all ready for the second batch of builds for the week to keep the Bug Bash fresh? Today we're releasing Windows 10 Insider Preview Build 14366 for PC and Mobile today to Windows Insiders in the Fast ring!
IMPORTANT: Today, we have pushed a few builds out to into our internal rings and as a result of that, this build for PC is a little bit behind in rolling out within the queue to the Fast ring and should be available in the next few hours depending on your region.