This was posted in one of the comments at VFAW. More changes on the way?
Official changes coming July 27th to Prestige:
*Removal of AA benefits (lounge access & higher value on AA redemptions using TY points)
*Removal of the 3 complementary rounds of golf
*The 4th night free benefit will now be based on the average nightly rate of the complete 4 day stay and taxes will no longer be included.
*The TY points value on all airline redemptions will be reduced to 25%