Here is the roadmap about CapSense controller we can find from CY website. If inductance touch is mentioned in the roadmap, the solution can be expected available with a certain schedule. Or, kindly keep in touch with CY marketing to get the latest status...
BTW, which kind of metal panel will you use?
Depend on the structure and metal pattern. If you have the structure and metal pattern, kindly let us know more details about it. Then we can help to discuss CYP solution.