There Will Be No Zoom Option For Nominees. They Must Attend In-Person.

"There will not be an option to Zoom in for the show," reads the missive from Steven Soderbergh, Stacey Sher and Jesse Collins. "We are going to great lengths to provide a safe and enjoyable evening for all of you in person."

https://www.hollywoodreporter.com/race/oscars-producers-detail-safe-intimate-ceremony-in-letter-to-nominees