There is a new quest with Mechanic called "To The Tree" for which you need to find a Christmas Tree on every map except for Labs and Factory.
Video Guide:
The locations are:
Customs -> Between dorms
Reserve -> Between bunkers and train station
Interchange -> Near Scav+PMC extract
Lighthouse -> Infront of the rather big house on the beach near the lighthouse
Shoreline -> In the middle of the Resort
Woods -> On a new pier in between the regular pier and the white van that crashed into the water
Note:
The lovely dancing scavs around the trees are actually friendly and occasionally shoot in the air to praise Nikita. Also I've found some gold spawns and weapon parts around the base of the trees.
Source: https://www.reddit.com/r/EscapefromTarkov/comments/roc5z5/quest_guide_to_the_tree/
