Over the years people have suggested that it could be a free-standing app rather than a screensaver. This comes with some advantages - eg you can keep it minimised and floating above other windows in the corner of the screen when it's not in full screen mode.
This may be the only way to keep the screensaver alive. I've been experimenting with the idea, ironing out some issues related to the change, and using it. I have to say that I like it very much.
Here's a very quick peek at what all this means.