According to Neowin, this beta version has two important new features that will soon be available on iOS 13.6. For one, users now have more control over automatic software updates in the Settings application. To enable automatic downloading of iOS updates, users have access to the Settings> General> Software update> Customize automatic updates link. Activate the Download iOS update button here.
It is now known that the operating system automatically downloads updates and users can then choose whether to install overnight or not. In version 13.6, there are two separate settings, one for automatic downloads and one for automatic installation.
Another new feature is HealthKit, which is adding new types of data to track symptoms such as headaches, colds, sore throats, etc.
Note: This is still a beta version so these features may change or be deleted at the time Apple officially released iOS 13.6.