Rendering a platform native GUI and what you render it on are two different things. In the case of Zed, its a combination of - metal is quite easy to work with

Rendering a platform native GUI and what you render it on are two different things. In the case of Zed, its a combination of - metal is quite easy to work with - apple has clear design guidelines and nice toolkits The Xi editor team quickly found out how much of a mess "native" gui's were on windows. Zed will hopefully add support for vulkan and linux/windows later, but it makes sense to start off on macOS