Same here. Three computers on Yosemite (including iMac from 2008), two iPhones, two iPads. I would not say zero problems, but those are mingo glitches at worst.

Same here. Three computers on Yosemite (including iMac from 2008), two iPhones, two iPads. I would not say zero problems, but those are mingo glitches at worst. Text messaging from any device alone was worth the upgrade.