MacRumors published a story that Apple has released the fourth betas of iOS 16 and iPadOS 16 to registered developers.

Apple Seeds Fourth Betas of iOS 16 and iPadOS 16 to Developers

Apple today seeded the fourth betas of upcoming iOS 16 and iPadOS 16 updates to developers for testing purposes, with the updates coming three weeks after Apple released the third developer betas.

Registered developers can download the iOS and ‌iPadOS 16‌ profiles from the Apple Developer Center, and once installed, the betas will be available over the air.

  Apple Seeds Fourth Betas of iOS 16 and iPadOS 16 to Developers