Epic will take the Fortnite servers down tomorrow to add the latest Fortnite update. Patch V.2.1.0 will include multiple bug fixes that players were asking for over the holidays, in addition to adding a a new item to the game. The Fortnite servers will be going down for the update at 4:00 AM Eastern on January 10. Matchmaking services will be taken offline 30 minutes prior. Deployment shouldn’t take more than a few minutes, and players should be able to log back in a few minutes after 4:00 AM Eastern.
Here are the full patch notes for Fortnite patch V.2.1.0:

Happy New Year!
We know you have all been asking for bug fixes over the holiday season, and we are here to deliver. We?ve patched up a number of issues across Battle Royale and Save the World and made a number of quality of life improvements in this patch. Cozy Campfire
It?s cold outside! Gather around the fire with friends and heal up before your next battle. This healing trap must be placed on a floor and persists for 25 seconds.

Heals 2 HP per second
Blue rarity
Can be found anywhere

NVIDIA ShadowPlay Highlights (PC Only)
Introducing ShadowPlay Highlights from NVIDIA! No longer will your friends have to ?take your word? when you tell them about that mountain sliding snipe headshot. ShadowPlay will save plays automatically by default. You are also able to manually configure which plays get saved and customize it to fit your style. NVIDIA ShadowPlay Highlights is supported for all PC gamers using GeForce GTX ...