Today, Apple is releasing the GM seeds for iOS 13.5, iPadOS 13.5, and tvOS 13.4.5, and it's also releasing watchOS 6.2.5 to everyone. iOS 13.5 includes Apple's new contact tracing API.
Watchos 6.2.5 RSS
Today, Apple released its fourth developer beta for iOS 13.5 and iPadOS 13.5, along with others. They include Apple's Exposure Notification API, which is used for COVID-19 contact tracing.
Today, Apple released a new beta build of iOS 13.4.5, but it's actually calling it iOS 13.5 now. This is because it includes the new contact tracing API, and therefore requires a new SDK.
Today, Apple released the first developer beta for watchOS 6.2.5. As the version number indicates, there are not any major new front-facing features to be aware of in the new build.