On the 7th, Apple updated the Human Interface Guide (HIG). It is one of the bibles where Apple's design philosophy is melted. Various content has been shortened to help designers and developers create a better experience. The foundation, which summarizes the basic elements for icons and layout, the pattern pattern, which summarizes the process for a specific task, and the component, which summarizes elements that are reused repeatedly, are organized in detail. Navigation changes, San Francisco font expansion, writing experience updates, etc. If you are a service maker, check it out!