Along with Windows 10 Mobile Insider Preview build 10581, the giant company also released Windows 10 Insider Preview build 10576 for PCs. This is the first time when Microsoft released Windows 10 for both the platform. This build features few new changes along with a bunch of bug fixes and improvements.

If you are a Windows Insider in fast ring, you might have already got the notification about this update. Sharing here the new features set, list of bug fixes and known issues.

Microsoft Windows Insiders head, Gabe Aul, in a blog post announced the availability of Windows 10 Mobile Insider preview build 10581 for the fast ring users. If you are one of the fast ring insiders to test Windows 10 Mobile build before it flights the final one, you might have already got the update notification.

This build doesn’t have significant new features but has a no. of fixes and performance improvements. As it is still under development release, it has some known issues too. Find them listed in this post.