We currently have no fonts with "unknown" designer in any METADATA.pb file; and we can't ever have any more, because we also have a check (com.google.fonts/check/metadata/designer_profiles) which ensures that a designer in the METADATA.pb is listed in the designers catalogue.
com.google.fonts/check/metadata/unknown_designer
Removed from the Google Fonts profile
We currently have no fonts with "unknown" designer in any
METADATA.pbfile; and we can't ever have any more, because we also have a check (com.google.fonts/check/metadata/designer_profiles) which ensures that a designer in theMETADATA.pbis listed in the designers catalogue.(issue #4573)