The most likely "feature" your video captured was the launch of concert, which went live exactly on January 27, 2023 , at 6 PM ET.
💡 The v23.20 update also re-enabled the Deku Smash Mythic, which had been temporarily removed due to technical issues. Was your video of a Victory Royale or the concert event ? Fortnite 2023.01.27 - 12.33.13.01.mp4
A remotely-controlled drone used to scan for enemies, open chests, and pick up loot for your team. The most likely "feature" your video captured was
If your clip is from a standard Battle Royale match, you likely encountered these then-new features: A remotely-controlled drone used to scan for enemies,
Five new perks were active, including Peely’s Plunder (giving a treasure map) and Shotgun Striker (granting Siphon on shotgun hits).
The Strange Transmissions Quest Pack , featuring Isaac Clarke, was also available around this time.