Apple has released iOS 13.3.1 and iPadOS 13.3.1 which brings fixes for issues with FaceTime, Communications Limits, Location Services, CarPlay, Mail, and more.
Apple has announced that starting in March 2020 developers will be able to distribute iOS, iPadOS, macOS, and tvOS versions of their apps as a universal purchase.
The latest beta of macOS Catalina 10.15.3 reveals that Apple is working on a new 'Pro Mode' that experienced users could enable to get more performance from their Mac.