MacRumors published a story that Apple has released the first beta of macOS Sonoma 14.3 to registered developers.
Apple Seeds First Beta of macOS Sonoma 14.3 to Developers
Apple today seeded the first beta of an upcoming macOS Sonoma 14.3 update to developers for testing purposes, with the software coming a day after the release of macOS Sonoma 14.2.
Registered developers can opt-in to the beta through the Software Update section of the System Settings app. Under Beta updates, toggle on the macOS Sonoma Developer Beta. Note that an Apple ID associated with an Apple Developer account is required to get the beta.
