The Sandbox compile was deprecated when Microsoft introduced their PowerTools as these integrate directly with Visual Studio's compiler. To get this feature please install the MS SP Power Tools alongside CKSDev
I guess I am doing something wrong. I have the SP Power Tools installed and the newest version of CKSDev. If I make the solution a sandbox solution it does not tell me that I am using things that are not available in a sandbox solution anymore.
Any idea if there is a setting I need to turn on?