This is why it's bad having a cross-platform technology that is proprietary. It's too much to handle for a single company and make it work right on all platform

This is why it's bad having a cross-platform technology that is proprietary. It's too much to handle for a single company and make it work right on all platforms. When it's open-source, there can be at least one company with its own implementation on each platform, and get it to work right because they have less to handle.