It's been said before that the next major version of Apple's mobile operating system will be a Snow Leopard style upgrade in that it won't focus as much on new features as it would on optimizing code base for stability, performance and quality.
In a new report, 9to5Mac details what lies ahead for both iOS 9 and OS X 10.11, not just in terms of speed and stability, but also regarding both operating systems' stronger security and a few new end-user facing features.