How Apple Decides Which Products Are ‘Vintage’ and ‘Obsolete’

The surprising definitions present serious challenges for repairability

Apple’s Phil Schiller introduces the 2012 iMac. Photo: Kevork Djansezian/Getty Images

For the past eight years, I’ve been working mainly on a late 2012 iMac. I’m no Luddite, but the computer has held up well over the years, and I’ve never felt the need to replace it. Recently, though, my iMac developed its first serious tic…