Main problem is that when you release on desktop, a web version is usually desirable (except for very niche apps that interact a lot with the OS). Alternativel

Main problem is that when you release on desktop, a web version is usually desirable (except for very niche apps that interact a lot with the OS). Alternatively, something that targets many platforms, including mobile. I've been searching for something for quite a while and the closest is qt and react native, both painful choices for various reasons