Marriott Bonvoy introduced a new feature for 2020 only (read more here) called Elite Night Credits. You get credit for half of the nights required to maintain your status earned in 2019, although Marriott has already extended everyone through March 2022.
These bonus Elite Night Credits posted to most members the other week (read more here), and Marriott Bonvoy has now sent out an email that they have credited to all members.
You can access Marriott Bonvoy here.
Remember that these nights mainly allows you to reach a higher status than you currently hold for 2020 and 2021 (by extension). They also count towards lifetime nights AND enable you to choose an Annual Choice Benefit at 50 and 75 nights.
There are a few things to consider when and what you should choose:
Read the article BEFORE choosing because it cannot be reversed later.
These bonus nights allow me to choose both the 50 and 75-night Annual Choice Benefits. I am still not sure what I’ll decide at the 50 nights (all options are bad), but the most worthwhile at 75 nights is the free night award certificate.