https://www.macrumors.com/2014/08/07/os-x-mavericks-10-9-5-build-13f12/
Apple Seeds OS X Mavericks 10.9.5 Build 13F12 to Developers - MacRumors
Apple today seeded Mavericks 10.9.5 build 13F12 to developers, just over a week after seeding the first OS X 10.9.5 beta, build 13F7, and more than a...
os x mavericks