The layoffs "are not new or unannounced," Universal said.
The limited-capacity event will feature seasonal food as well as some family rides and at least one roller coaster.
The park chain has lost $484 million in 2020.
Mayors of Los Angeles and San Diego were among those supporting a Tier 3 reopening for California's theme parks.
The layoffs include both union and non-union workers across nearly every department of the Walt Disney World Resort.
Carowinds Taste of the Season: An Outdoor Holiday Experience will run on 12 select nights starting Nov. 21.
720 of the 780 Disney World employees represented by the Actors’ Equity Association have been laid off.
Fun Spot Orlando fails 4th inspection on face mask enforcement; SeaWorld, Disney’s Magic Kingdom pass
Orange County said, "Our Strike team is planning to meet with Fun Spot management to find a solution.”
Disney World entrance signs are getting a slight makeover to match the new Cinderella Castle color palette.