Epic Games announced after months of speculation that, yes, reboot vans are coming to Fortnite in next week's update. The feature is similar to the revive feature in Apex Legends where players can respawn fallen team members.
Dataminers had already uncovered mention of the reboot vans a couple months back. At the time, players guessed that this would be related to some kind of revive feature coming to Fortnite eventually. They were right.
Basically, if you're playing in a squad match and one of your teammates dies, they'll drop something called a "reboot card." You can then pick up this card and walk it over to a reboot van, which will then spawn your fallen teammate back into the game. Like in Apex Legends, the van will have a cooldown timer and can potentially make you an easy target for enemy squads.
This is a feature that's almost identical in Apex Legends. The co-op battle royale shooter popularized the mechanic of reviving fallen teammates by taking their "banner card" from their corpse and reviving them via specific revive stations scattered across the map.
This is the second feature that Fortnite is incorporating from its up-and-coming rival, along with the ping feature that Fortnite introduced in an earlier update. While Fortnite featured a ping feature previously, it upgraded the system to make voiceless communication even easier. Apex Legends introduced a ping feature at launch, and we consider it one of the best ways to communicate in an online game. Honestly, more games should probably adopt the ping system.
With a new revive feature, Fortnite team matches could theoretically be extended. But in practice, the revive mechanic in Apex Legends requires skill and coordination to pull off successfully. I'm curious to see how reviving changes the meta of a Fortnite game, if at all.