Since a new update, XPlane crashes sometime after a few minutes, sometime after 1 or 2 flight hours.
macOS: Version 10.13.4 (Build 17E202)
CPU type: Intel(R) Core(TM) i7-6700K CPU @ 4.00GHz CPU speed (mhz): 4000 Bus speed (mhz): 100 RAM (MB): 32768
..........
11000.000244 psi:166.745148 spd(kts):262.500002
2:17:42.098 D/ATC: p=3 (N03XP): Fly Heading: 104
2:17:42.098 D/ATC: p=3 (N03XP): Maintain 10997ft
2:17:42.098 I/ATC: Aircraft p=3 (N03XP) started airborne as an overflight at 53.212128, -9.942881, 3352.800049
--=={This application has crashed!}==--
Regards