Originally Posted by
expert7700
If you confirm the new schedule you accept it and cannot suggest alternate flight / date / routing.
If you don't confirm it (even until closer to flight date or time of checkin), you can change the trip without a reprice.
That's not true. The button says "acknowledge". Not "accept". Not "I waive rights to my free change".
All it does is HK every segment, which will likely happen anyway if you leave it alone.