Macworld Earlier this week, Bloomberg’s Mark Gurman reported that Apple plans to start its M4 Mac rollout later this year. He also said that “at least one Mac model will get more dramatic changes,” and on Thursday, Gurman provided more details, reporting that Apple plans to redesign the M4 Mac mini as the smallest Mac ever. The first redesign of the Mac mini since 2010 will make it similar in size to the Apple TV, which measures 3.7 by 3.7 by 1.2 inches (93 by 93 by 31 millimeters)–that’s nearly half the height and width of the current Mac mini’s 7.7 by 7.7 by 1.4 inches (19.7 by 19.7 by 3.6 c…