Mac restart refers to the process where after the installation of new updates is finished, the system shuts itself down and starts again to reflect the changes and improvements in the Mac OS present in your device. It is better to avoid the updates from sources that are not directly affiliated with Apple in any way as such software can damage your device and can compromise its security. These updates are provided directly by apple and are only available to be downloaded from the official sources of the company. Mac updates are small OTA or Over the Air downloadable content that can bring new features, bug fixes, performance enhancements, and other such things. If due to some reason, there are obstacles during the update is happening, it can cause issues like your computer getting stuck on the restart screen.
Mac OS updates are just that and they cater key points like bug fixes, security enhancement, and performance. Updates are a very important part of software experience and it is used to add new functionality, enhance efficiency, and better features to existing software. Important Tips for Mac Update and Restart How to Fix Mac Stuck on Restart after Update