Pogo has will be releasing new levels for Quinn's Aquarium today (Under the Ice – Part 3)
You may not be able to see the new levels until you completed the previous ones.
New levels are released on the second Tuesday of each month, so the next release will be available on July 8th, 2025.
https://www.pogo.com/games/quinns-aquarium-mahjong
I am so far behind in this game....