Macworld Since the first iPhone launched with a 3.5-inch screen back in 2007, Apple has followed a path of slow but steady increase, from the 4-inch iPhone 5 in 2012 to the 6.7-inch 15 Pro Max last year. But one reliable analyst has predicted that next year, one iPhone’s screen will get smaller. Ross Young, an analyst who specializes in the displays supply chain and has an enviable track record, this week released a report (via 9to5Mac) in which he makes the startling claim that the iPhone 17 Plus will have a smaller screen than the 15 Plus (which is 6.7 inches) and 16 Plus (which is expected …