MacOS Mojave 10.14.6 and Bluetooth

Updating to MacOS Mojave 10.14.6 using the automatic download feature of the Software Update in the System Preferences on a MacBook Pro Mid-2015 removes the ability to find and connect to an Apple wireless Magic Mouse. Updating to MacOS Mojave 10.14.6 removes bluetooth mouse connections previously established while running 10.14.x prior to 10.14.6.