The Graph Drawing 2020 program is online: https://gd2020.cs.ubc.ca/program-no-links/
It is September 16-18, from 8AM to noon Pacific daylight time (the time in Vancouver, where the conference was originally to be held). The format has talk videos available pre-conference, with sessions consisting of 1-minute reminders of each talk and 5 minutes of live questions per talk. Jeff Erickson and Sheelagh Carpendale will give live invited talks.
It's free but requires registration, deadline September 10.