The heading says it all. The myVEGAS Room Rewards calendars have been updated with dates through the end of May 2020. You can see all of the calendars on my myVEGAS Room Rewards 2019-2020 post.
The new calendars include some weekend comps in December, January, February and April.
For additional information on redeeming the Rewards, visit my myVEGAS Reward Redemption Processes post. Also check out the 3 in 30 post and Comp Reward Limitations posts for important details. It may be helpful to read my Mlife Players Club info as well.