The Equal Employment Opportunity Commission (EEOC) has posted updates to their EEO-1 Reporting page. According to the site, the opening of the EEO-1 submission portal has been postponed until March 1, 2019. As a result, the deadline to submit the 2018 EEO-1 Report has been extended to May 31, 2019. The EEOC web site also indicates that further details and needed instructions will be forthcoming to assist employers with filing.
Source: EEOC.gov