Recently, Arc Raiders received a major update called Shrouded Sky with two new robots and a "Hurricane" weather condition. Some players believe that the developers are preparing to add another enemy in the foreseeable future.
A recording from a player with the nickname Bewarden went viral in the community — he noticed a "UFO":
While playing on a map with the "Hurricane" weather condition, a certain aircraft flew over Bewarden. There is an opinion that such "UFOs" will subsequently become new enemies.
However, not everyone considers this a "robot teaser" — it could be an easter egg.