https://wccftech.com/download-ios-15-and-ipados-15-beta-7-released/

Beta 7 of iOS 15 and iPadOS 15 is now available for download. If you are a developer with an iPhone or iPad, you can get the update over the air.

As we move closer to the final release of iOS 15 and iPadOS 15, we can expect Apple to speed up the development process of the software itself. Today, just a week later, Apple has released the seventh beta of iOS 15 and iPadOS 15 to registered developers. It packs more bug fixes and brings stability to tons of devices testing out the software. In other words, you should go ahead and download it right away if you are using the software on a device that is your daily driver.