As of Friday, August 13th, USCIS has reached the cap for the FY 2021 H-2B supplemental visa temporary final rule! They have reached the 22,000 H-2B visas made available under this temporary change for the Northern Triangle countries (El Salvador, Guatemala, and Honduras).
Please view this USCIS News Alert for more details: Cap Reached for Remaining H-2B Visas for Returning Workers for FY 2021
Source of Information:
USCIS (USCIS.gov), 8/19/21, News Alert:
Cap Reached for Remaining H-2B Visas for Returning Workers for FY 2021