The Million Quasars (Milliquas) catalogue v6.6 is released with data
from publications to 30-August-2020, with the count of fully
classified type-I quasars & AGN up to 827,694. The newly-released
SDSS-DR16Q (Lyke+ 2020) is included via usual processing.
Milliquas is available on http://quasars.org/milliquas.htm
, with its
ReadMe. Also this can be obtained from NASA HEASARC at