Jeff Johnson: If you’re running on OS X 10.10.2 or later, the code tells you that you’re running on OS X 10.11. What happened? Let’s look at <AppKit/NSApplication.h> from the 10.11 SDK: #define NSAppKitVersionNumber10_10 1343 So far, so good. #define NSAppKitVersionNumber10_10_2 1344 #define NSAppKitVersionNumber10_10_3 1347 WHUT. So yeah, instead of increasing the fractional part of … Continue reading Checking for El Capitan