case vcFEATURE_IATTR : return ver >= 0x00010011;
case vcFEATURE_MIGRATE : return ver >= 0x00010012;
case vcFEATURE_NAMESPACE : return ver >= 0x00010012;
+ case vcFEATURE_VWAIT : return ver >= 0x00010025;
case vcFEATURE_SCHED : return ver >= 0x00020000; // todo
default : assert(false);
}