Note that they re-cast marriage as a kind of aspirational ideal rather than the sole, exclusive, God-ordained setting for man-woman sacred fertile union, outside of which sexual relations are prohibited; and within which, uniquely, God’s blessing is found.
Lately, it seems that most of the Ten Commandments are just aspirational ideals, only expected to be met by a few.
They’re already talking about cohabitation and homosexual sex as topics for the World Youth SinNod.