Issue #3106659 by phenaproxima, aleevas, rajanvalecha12, Drupaldev2013, audacus, mulukallaarun, Kristen Pol, dpi: Media types with missing source fields break the status report page

Issue #3037039 by gabesullice, rajanvalecha12, e0ipso, Wim Leers, effulgentsia, xjm, jibran, larowlan, dww, alexpott, amateescu, webchick: Create a public API for indicating resource types should not be exposed