Up until 10.6, actually, Apple used to produce very good, generally bug-free software. Starting with 10.7, they've begun to rush their software just because the

Up until 10.6, actually, Apple used to produce very good, generally bug-free software. Starting with 10.7, they've begun to rush their software just because they have, say, 4 new "features". The yearly release cycle is partly to blame, but even then, iOS bugs are much more minor.