The US Food and Drug Administration (FDA) Center for Devices and Radiological Health (CDRH) has published a list of the guidance documents that it considers to be of the highest priority for development and publication in 2020.
The list, available from here, includes:
Also included, for interest, are copies of the lists of final guidance documents issued in 1980, 1990, 2000, and 2010.
CDRH is seeking public comment on the A and B lists.