iPad Pro + Logitech Create Pro keyboard + iOS 9.1 was a dream convergence device and portable terminal (ssh, vnc, rdp) with 2732x2048 (274 dpi) resolution in 3:2 format.  The vertical space was amazing for text editing, after years of 16:9 height-challenged laptop screens.  It can also be an external monitor for Windows&#x2F;Mac via <a href="http:&#x2F;&#x2F;www.duetdisplay.com" rel="nofollow">http:&#x2F;&#x2F;www.duetdisplay.com</a>.<p>Until Lenovo Retro or another vendor offers a 4:3 screen, the iPad Pro was a rare and positive outlier with portable editing and long battery life.  Then Apple iOS 9.2 arrived, which dropped and delayed keystrokes from the Logitech keyboard, <a href="https:&#x2F;&#x2F;discussions.apple.com&#x2F;message&#x2F;29656057" rel="nofollow">https:&#x2F;&#x2F;discussions.apple.com&#x2F;message&#x2F;29656057</a>. The amazing, out-of-box experience lasted about 2 weeks, a new record for technology obsolescence.  It has not been addressed in iOS 9.2.1 or iOS 9.3 public beta 1.