MacRumors published a story that Apple has released the first beta of macOS Monterey 12.3 to registered developers.
Apple Seeds First Beta of macOS Monterey 12.3 to Developers
Apple today seeded the first beta of an upcoming macOS Monterey 12.3 update to developers for testing purposes, with the new software coming just a few days after the release of macOS Monterey 12.2.
Apple Seeds First Beta of macOS Monterey 12.3 to Developers
Registered developers can download the beta through the Apple Developer Center and after the appropriate profile is installed, betas will be available through the Software Update mechanism in System Preferences.