https://wccftech.com/macos-big-sur-beta-9-now-available-for-download/

macOS Big Sur beta 9 is now available for download over the air if you are a registered developer with Apple.

At this point, it is no surprise that macOS Big Sur is some time away from release. Today, Apple has released the ninth beta of the software to registered developers. And as ever, this one is packed with even more bug fixes and performance improvements.