Based on this information Select the Salesforce Release for a Scratch Org:
Release Version Preview Start Date Preview End Date Winter ’20 September 6, 2019 October 12, 2019 Spring ’20 January 3, 2020 February 15, 2020 Summer ’20 May 8, 2020 June 13, 2020
I am surprised to get:
At this time, we are outside of the preview period. You can create only current release scratch orgs.
when trying to create a "release": "Preview"
scratch org.
What am I missing?