SMOFCon 38 has been postponed to December 2-4, 2022. This will be a physical, in-person event.
SMOFCon 39 will be in Lisboa, Portugal December 3-5, 2021.
There will be a joint, online only event for our original dates of December 4-6, 2020
Here is the Joint Announcement (pdf) from SMOFCon 38 and 39.