A resource file in the upcoming Safari 9 browser for OS X El Capitan seems to show support for a split-screen view on the iPad mini 4, 9to5Mac reports. Apple has already confirmed that iOS 9 will give some iPad users the ability to run two apps at once side-by-side, but the iPad Air 2 is the only current model with a processor strong enough to take advantage of it. A developer tool in El Capitan used for testing the responsiveness of websites also…
