At yesterday's conference call, Apple CEO Tim Cook hinted that it had a few more products to release before the end of the year. A developer taking a deep dive into the new macOS Big Sur 11.0.1 beta has found what could be three new Macs set for release before the year is out.
https://www.notebookcheck.net/Apple-could-have-three-new-Macs-to-release-before-year-s-end-according-to-macOS-code.500788.0.html