Following Apple's iOS / iPadOS 13.4 Beta release for developers a few days ago, it is now a public beta version. As long as you have joined Apple's Beta software testing program , you can install the latest beta version.
iCloud Drive Share
The iCloud Drive sharing feature is simply the ability to share files in iCloud Drive to others.
Introducing the new Memoji
Nine new memojis have been added to this release, including angry, surprised, crossed out, people behind the MacBook, and more.
iPhone / Apple Watch as car key
Just map the compatible car model via CarKey function, then move the device to the car NFC sensor to start the car.
PC keyboard support
In this version, you can remap some special keys, including Option and Command keys.