A new update is available for Windows 10 Build 10130 via WU. The update is question is KB3070365 and brings an important fix for the issue of flyout options menu not opening on Build 10130.
It fixes the issue of,
When you click icons on the taskbar (including Start, Cortana, Network, Battery, and Action Center) in Build 10130 of Windows 10 Insider Preview, the expected flyout might not open.
You must restart your PC after installing this update.