Update: iOS 13.3.1 beta 3, iPadOS 13.3.1 beta 3, watchOS 6.1.2 beta 3, and tvOS 13.3.1 beta 3 now available for developers. Apple is also releasing the third public beta versions today as well.
Apple is today releasing the third developer beta of iOS 13.3.1 and iPadOS 13.3.1. This comes a week after the second beta release. iOS 13.3.1 focuses on bug fixes and performance improvements.