Apple has released the fourth beta version of iOS 18.4, MacOS Sequoia 15.4, and iPadOS 18.4, all of which are set to be fairly minor software updates but do include a handful of new features, and will ...

macOS uses a true Metal renderer with CoreText for font discovery. The Linux app is built with GTK. There are more improvements to be made. The macOS settings window is still a work-in-progress.