Apple continues to issue beta seeds of its major operating systems, moving along to a public launch at some point in the near future.

Update 2 (03/04/2020)Apple has seeded the fourth developer beta of watchOS 6.2 on Wednesday. To update, developers will need to make sure the proper configuration profiles are installed. In addition to that, the Apple Watch must have at least 50% battery life, be connected to the charger, and within range of the connected iPhone as well.

Update: Apple has issued the corresponding public betas of iOS 13.4 and iPadOS 13.4 to public beta testers.

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Before the public launch of those updates, however, the company is seeding beta builds for developers (and public beta testers as well). On Tuesday, Apple officially seeded the fourth betas of iOS 13.4, iPadOS 13.4, tvOS 13.4, and macOS Catalina 10.15.4 to developers.

iOS 13.4 welcomes with it a variety of new features:

The new “CarKey” API will let iPhones and Apple Watches unlock, lock, and start NFC-equipped automobiles. In addition to that, iOS 13.4 also welcomes nine new Memoji sticker types, a redesign of the Mail toolbar, Screen Time Communication Limits for macOS, the return of iCloud Drive folder sharing, and, finally, along with the beta seed of Xcode 11.4, developers can now bundle apps into a single purchase across iOS and macOS.

A previous beta of iOS 13.4 also revealed that Apple appears to be planning over-the-air operating system recovery for iOS devices.

Developers with registered profiles can install the latest beta right now for iOS and iPadOS. It can be downloaded from the Apple Developer center. Developers can also now download and install the latest betas for the other major operating systems as well.