Dell's XPS laptops are ... indeed, the XPS 13 9310 is not a redesign in the slightest. There's one key change, which is that it has Intel's new 11th-generation 'Tiger Lake' processors.
Dell's new XPS 13 2-in-1 isn't too different from its predecessor. In fact, the 2019 model was a big change. It added a 16:10 display, hinting at a greater redesign for the rest of the XPS lineup.