Quote:Apple released today the first Supplemental Update to the latest macOS Mojave 10.14.6 operating system to address wake from sleep issues with certain Mac computers.
 
The macOS Mojave 10.14.6 Supplemental Update is now available for all Mac users running the latest macOS Mojave 10.14.6 operating system release. According to Apple's support article, it includes a fix for an issue that may prevent certain Macs from properly waking from sleep.
 
Therefore, if you're running macOS Mojave 10.14.6 and encountered freeze issues or other type of problems with your MacBook or iMac after waking it from sleep, Apple recommends that you download and install the macOS Mojave 10.14.6 Supplemental Update as soon as possible.

The macOS Mojave 10.14.6 Supplemental Update is released through OTA (Over-the-Air) updates to Mac users, just like the rest of the macOS releases. To install it, all you have to do is open the System Preferences app, go to the Software Update panel, and click the "Update Now" button.