> a cross-platform application may run on Microsoft Windows, Linux, and macOS. Cross-platform programs may run on as many as all existing platforms, or on as few as two platforms.
A quick check of your own history shows you writing "Interesting to see another cross-platform GUI library here" at https://news.ycombinator.com/item?id=21903606 for Geeonx, whose web page only describes support for "Linux, macOS and Windows".
> a cross-platform application may run on Microsoft Windows, Linux, and macOS. Cross-platform programs may run on as many as all existing platforms, or on as few as two platforms.
A quick check of your own history shows you writing "Interesting to see another cross-platform GUI library here" at https://news.ycombinator.com/item?id=21903606 for Geeonx, whose web page only describes support for "Linux, macOS and Windows".