Anniversary update will not only fix many issues on HP Elite X3 it will also enable many new features like Finger Print scanner. As per the HP Elite X3 FAQ posted by HP,
Windows Information Protection (WIP), formerly known as Enterprise data protection (EDP), is available with the Windows 10 Mobile Anniversary Update (available on or about September 13, 2016) provides data separation and containment and is designed to safeguard personal information and prevent data leakage.
Read our Windows 10 Mobile Anniversary update review and massive changelog + hands-on demo of changes vs Threshold by clicking on the links below.
Build 14393.67 (10.0.14393.67) is the Windows 10 Mobile Anniversary update build and you can read or hands-on review of the Build 14393.67 by clicking here.