Apple similarly added WebP support in iOS 10 and MacOS Sierra, but later replaced it with HEIF, an image format based on the HEVC video compression standard (also known as H.265 and MPEG-H Part 2).

Without getting into too many technicalities, WebP incorporates a new encoding algorithm, making the image format superior to PNG, which has been around since 1997, and the even older JPEG image ...