San Francisco (sans-serif typeface) and iOS 10 is a new variant named "SF Compact Rounded". It is used in the new contact placeholder icons introduced in the OSes. The "SF Serif" variant was showcased during the keynote at WWDC 2018 on June 4, 2018 when the all-new Apple Books app was introduced. This variant is exclusive to Apple Books in iOS 12 and macOS Mojave, is not mentioned in Apple's Typography design guidelines, and is not publicly downloadable like other variants of the San Francisco typeface. Since its introduction, San Francisco has gradually replaced most of Apple's other typefaces on their software and hardware
Ming (typefaces) as opposed to East Asian gothic typefaces which are comparable to Western sans-serif. Often there are different ways to write the same Chinese character; these are collectively referred to as variant Chinese characters. Some of the differences are caused by character simplification, while others are purely orthographic differences such as stroke styling. The styling of the strokes used in old Ming typefaces came from the style used in the "Kangxi Dictionary". In mainland China, the modern standardized character forms are specified in the "List of Commonly Used Characters in Modern Chinese". Some characters in the list differ from the Kangxi