I have heard from multiple sources that most employees of the Office of Disability Adjudication and Review (ODAR) will be returning to work tomorrow. To this point during the shutdown almost all ODAR employees other than the Administrative Law Judges (ALJs) have been furloughed. This meant that hearings were going forward but few decisions could be issued. Also, there was no way to prepare cases for future scheduling. The Appeals Council, which has been completely shut down, is also reopening for business tomorrow.
There are still problems with federal court work on Social Security cases. While the federal courts are open, Social Security's attorneys and other employees who work on these cases are furloughed. This will cause delays but, at least, it affects a much smaller number of people.