What you are saying does not make sense. SVP is free to use on Linux. If you want to lock the frame rate conversion behind a paywall, then make the SVPcast option available only for users who paid for either SVP or SVPlayer. I already paid for ability to watch videos with frame generation. Linux support was guaranteed. I wasn't informed that a specific feature won't work with Linux.
But my question is not about why is it free or paid, but about why is Linux version so different? It generally does work, but has minor bugs like the one mentioned above. Is the Linux version deprecated? Why isn't there any information about it being different from the other versions? Why don't you keep the Linux version up to date with the other versions?