Last month, when E3 2020 was canceled due to the coronavirus epidemic, ESA said they were "looking at options with our members to link the online experience to advertising news announcements and news by June 2020". Since then, the only development we get is the IGN announcement of the "Summer of Gaming" event, and E3 2021 was written. An E3 spokesman told PCGamer that they would not have a digital E3 2020 this year. You can see the proxy statement in full below.
"In the wake of the disruption brought about by the COVID-19 epidemic, we will not be launching the E3 2020 online event in June. Instead, we will be working with viewers to promote and showcase individual company announcements, including www.E3expo.com