Now that the Fall 2018 MegaBonus is over, Marriott is beginning to send out some targeted promotions to some members. So far there seems to be little rhyme or reason to what is appearing—bonus points, double elite night credits, bonus elite night credits, or even nothing. For those who haven't received anything yet, it might be worth waiting a few days.
Here are a few examples of what you might get.
There are probably more, but these were the ones I was able find images for at the moment. If you have something different, please share.
Whether everyone will be offered some form of this promotion or not remains to be seen. Quite a few folks have commented on the Double Points Promo Through to 30 April 2019 discussion that they have not gotten any sort of new promo yet. Often when these things roll out, not everyone is notified at the same time, so just because you don't have anything yet doesn't mean you've been left out. With so many Bonvoy members, emails notifications often have to go out in batches. Give it a few days.