MacRumors published a story that Apple has released the second beta of macOS Ventura 13.1 to registered developers.
Apple Seeds Second Beta of macOS Ventura 13.1 to Developers
Apple today seeded the second beta of an upcoming macOS Ventura 13.1 update to developers for testing purposes, with the beta launching two weeks after Apple seeded the first macOS Ventura 13.1 beta.
Apple Seeds Second Beta of macOS Ventura 13.1 to Developers
Registered developers can download the beta through the Apple Developer Center and after the appropriate profile is installed, the beta will be available through the Software Update mechanism in System Settings.