MacRumors published a story that Apple has released the first betas of iOS 17.3 and iPadOS 17.3 to registered developers.
Apple Seeds First Betas of iOS 17.3 and iPadOS 17.3 to Developers
Apple today seeded the first betas of upcoming iOS 17.3 and iPadOS 17.3 updates to developers for testing purposes, with the updates available a day after the launch of iOS 17.2 and iPadOS 17.2.
Registered developers are able to opt into the betas by opening up the Settings app, going to the Software Update section, tapping on the "Beta Updates" option, and toggling on the iOS 17 or iPadOS 17 Developer Beta. An Apple ID associated with a developer account is required to download and install the beta.Apple Seeds First Betas of iOS 17.3 and iPadOS 17.3 to Developers
