iOS 10 rumors + "Notes" features.
iOS 10 will have new features in Notes. Despite attempts by Apple iOS adapt to the big screen, the system can find a lot of flaws. Take a look at the notes and blank white space on both sides of the text.
It is unclear whether the placement of the text will be the full width of the screen the best solution, but it is necessary to use methods to increase the displayed text.
Lots of wasted space - the general trend of applications on iPad Pro. It seems that Apple bet on the use of the Split View, or Slide Over. In the Mail app in the landscape orientation of the text it is also surrounded by lots of white space.
By the way, where optimized for the big screen version of GarageBand, demonstrated during the presentation of iPad Pro?