The official website says that "F and J nonimmigrants" are eligible for Automatic Revalidation provided certain conditions are met. It does not specify whether people on an F2 visa are eligible. But one eligibility requirement is this:
The underlying authorization for the current status continues to be valid for the Form I-129 for non-immigrant workers and Form I-20 for students in F status.
Since F2 people don't have I-20, does it mean that they are not eligible for Automatic Revalidation? Is it explicitly stated somewhere?