"Pixelmator Pro 2.0 is the biggest update to Pixelmator Pro yet. It features an all-new, more intuitive design, support for the new Macs powered by the incredible M1 chip, full compatibility with macOS Big Sur, and a whole lot more."
"The Core Audio Format is a container for storing audio, developed by Apple Inc. It is compatible with Mac OS X 10.4 and higher; Mac OS X 10.3 needs QuickTime 7 to be installed."