How do we know which software has this extension?
Received note about legacy system extensions with system update. How do I know what has a legacy--Macbook Pro.
Adele
Adele Hoskin’s MacBook Pro 15"
Question marked as
You do not need to do anything. See:
About legacy system extensions - Apple Support
If you still feel a need to see what they are, do "About this Mac..." from your Apple menu and, in the resulting window, click the "System Report" button. That opens ite built-in utility, "System Information."
In that app's left-hand pane, scroll down the left pane to "Software" and, if needed, click the little arrowhead to expand the section. Find "Extensions" (see below) and select it.
Now you get to wait. The extensions info is a slow load. Have a good stretch. Once they display, click the "Obtained from" column heading to sort by the developer.
We can assume Apple will deal with theirs. That leaves a few from other developers, Some are used internally by Apple so we can expect them to be compliant in time for the changeover as well. The Logitech web page says their software will be compliant by the time the changes required.
Even with this info at hand, you still need do nothing.