Upvote:9
On January 20, 2021, President Biden repealed Trump's executive order and instructed embassies to start processing visa applications for the affected countries again: https://www.whitehouse.gov/briefing-room/presidential-actions/2021/01/20/proclamation-ending-discriminatory-bans-on-entry-to-the-united-states/
Entering the US remains difficult due to COVID travel bans and embassy closures, but at least this particular obstacle is now history.