Support for different OSes might be interesting given that the C libraries mentioned seem to be Apple OSes only. Then the issue of having hidden instructions fo

Support for different OSes might be interesting given that the C libraries mentioned seem to be Apple OSes only. Then the issue of having hidden instructions for high performance computation when CPU vendors have a history of bad performance/security tradeoffs. Other than that some languages have a bad time interacting with C or a high overhead when calling C functions.