Fortnite has been updated to version 3.31 today by Epic Games. You can find out the complete patch notes for this update from here.
According to Epic Games, this patch is aimed at addressing the stability issues and should be live on PC, PS4, PS5, and Android. They made this announcement in a tweet while mentioning that other platforms will get it soon. You can have a look at the details below.
Fortnite Update 3.31 Patch Notes
We have deployed a maintenance patch on PC, PlayStation 4, PlayStation 5, and Android to address stability issues, the funding progress visual issue, and the Creative keybinds resetting to default issue. This patch will be available to download before launching your game.