New trails are added to Fortnite, which are seen when jumping from the Battle Bus. Take a look at the new trails that will be coming to Fortnite in Season 5, data-mined by @TwoEpicBuddies:
They provide no advantage and are purely cosmetic, but allow players to skydive with style. From looking at the trails, they are all quite unique and different from each other. We can see that with one of the trails, players will actually be holding toilet paper! This has been in the files for quite some time.