Microsoft is pushing  a new cumulative update to Insiders in Slow Ring running Windows 10 Build 14295 currently. The update KB3154879 brings Build 14295.1000 for Insiders and includes improvements to enhance the functionality of Windows 10 Insider Preview (Build 14295).

KB3154879 Changelog:

Summary

This update includes improvements to enhance the functionality of Windows 10 Insider Preview (Build 14295). Windows 10 updates are cumulative. Therefore, this package contains all previously released fixes.If you have installed previous updates, only the new fixes that are contained in this package will be downloaded and installed to your computer. If you are installing a Windows 10 Insider Preview update package for the first time, the package for the x86 version is 2 MB and the package for the x64 version is 5 MB.

How to get this update

Important If you install a language pack after you install this update, you must reinstall this update. Therefore, we recommend that you install any language packs that you need before you install this update. For more information, see Add language packs to Windows.

Windows Update

This update will be downloaded and installed automatically.

Prerequisites

There are no prerequisites for installing this update.

Restart information

You may be prompted to restart the computer after you apply this update.