I didn't see anything obious so far except for possibly multitasking, which I am going to ask if it is/has usable background modes, is there any new background modes in iOS9, you know the kind, the kind that our users are begging us for? it always amazes me the answer to someone here asking if they can do something in the background,and the answer is that this does not fit into Apple's plan for the battery. yet the task asked about, would take far less battery than the current background modes, or even the task itself by having to do it in the foreground using the display. for instance doing a specific task that lasts less than 10 seconds at a specific date and time in the future, which uses about 1/1000th the battery of even major change to location in the background ...right now I have to ask the user to spend 10's of times the amount of battery than they have to, to execute tasks, because I am forced to have the user use the display to do it, rather than to do a