9to5Mac published a hands-on video on the new iOS 13.4 update.

What's new in iOS and iPadOS 13.4 - a huge boost for iPad

A walkthrough of the new changes and features found in iPadOS 13.4 and iOS 13.4, including a full walkthrough of mouse and keyboard support for iPad.

What's new in iOS and iPadOS 13.4 - a huge boost for iPad - 9to5Mac