For this year's April's Fool prank, #LEGO sent a mystery set to a handful of LEGO Ambassadors (bloggers, youtubers) where the instructions didn't end up matching the box art.
The Majestic Horse: The Making of LEGO's April Fools' Prank https://bricknerd.com/home/the-majestic-horse-the-making-of-legos-april-fools-prank-4-2-23