Can you draw sketches on Notes in El Capitan? Apple's website advertises drawing on Notes for iOS 9, but nothing of the sort for the OS X update. It would be a useful thing as Force Touch becomes standard for the trackpads.
I think it will be kind of add-on with the following update. As of the keynote, El Cap adds new input method for Chinese, including the improved hand-writing. The hand-writing might require a more accurate algorithm to detect curves.
