According to Brent Bozell of Media Research Center, from a poll of Democrat voters:
71% of Democrats didn’t know that Kamala Harris supported reparations for slavery.
86% didn’t know that she supports giving death row inmates the right to vote.
73% didn’t know that she was a co-sponsor of the radical Green New Deal.
81% didn’t know she favored abolishing private health insurance.
71% were unaware that Harris favored cutting funding for police.
78% didn't know she promoted a fund to bail out violent offenders during the 2020 riots.
72% of Democrats didn’t know that as border czar, Harris had never once been to a conflict zone.
77% didn’t know that she supports eliminating ICE.
74% did not know that she is in favor of eliminating criminal prosecution for crossing the border illegally.
Major network news coverage (ABC, NBC, CBS) only mentioned 2 of these.