US Citizenship and Immigration Services has extended Temporary Protected Status (TPS) for citizens of Yemen, as well as re-designated the country for TPS, allowing Yemenis residing in the United States since July 5, 2021 to apply for TPS.
The full announcement can be found here: https://www.dhs.gov/news/2021/07/06/secretary-mayorkas-announces-extension-and-re-designation-yemen-temporary-protected