From this story, which begins this way:

Cancellation of citizenship oath ceremonies and in-person interviews because of coronavirus means hundreds of thousands of people may not naturalize in time for November’s elections.

If ceremonies and interviews remain shut down until October without remote alternatives created by U.S. Citizenship and Immigration Services, about 441,000 people who would have been citizens would be deprived of the chance to vote, according to Boundless Immigration, a technology company that helps immigrants apply for green cards and citizenship.