"iTunes Device Support Update"?
Anyone know what this is and what version of iTunes is required? A Google search says it is part of an update for Mac OS 10.12.x through 10.14.x.
I have Mac OS 10.11.6 (El Capitan) and iTunes 12.6.5.3 so I don't know why the MAS notified me.
iMac 21.5", OS X 10.11