Not quite: foveated streaming only affects the bitrate of the stream. For improving rendering performance, there is a similar technique called foveated renderin

Not quite: foveated streaming only affects the bitrate of the stream. For improving rendering performance, there is a similar technique called foveated rendering. It's still somewhat unclear how well that works while streaming, though. In theory, it should work, but no reviewers seem to have covered it for some reason.