MacRumors published a story that Apple has released the tenth beta of macOS Monterey to registered developers.
Apple Seeds Tenth Beta of macOS Monterey to Developers
Apple today seeded the tenth developer beta of macOS Monterey, the newest version of the macOS operating system. The tenth beta comes one week after Apple released the ninth macOS Monterey beta.
Apple Seeds Tenth Beta of macOS Monterey to Developers
Registered developers can download the beta through the Apple Developer Center and once the appropriate profile is installed, betas will be available through the Software Update mechanism in System Preferences.