https://wccftech.com/apple-releases-beta-1-of-ios-13-3-1-ipados-13-3-1-macos-catalina-10-15-3-and-tvos-13-3-1-to-developers/

Today, Apple has seen fit to release beta 1 of its upcoming iOS 13.3.1, iPadOS 13.3.1, macOS Catalina 10.15.3 and tvOS 13.3.1 to developers for testing purposes. The new beta arrives a week after the company released iOS 13.3 to the public which brings Communication Limits for Screen Time and much more. Let's dive in to see some more details on iOS 13.3.1, iPadOS 13.3.1, macOS Catalina 10.15.3 and tvOS 13.3.1 beta 1 and what does it have to offer.

If you're a developer and want to download the latest iOS 13.3.1 beta 1 on your compatible iPhone or iPad, you can do so through the Apple Developer Center or via over the air. Do take note that a proper configuration profile is required from the Developer Center.