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Apple Seeds Fourth Betas of iOS 12.3, tvOS 12.3, watchOS 5.2.1, macOS 10.14.5

Apple on Monday released the fourth beta builds of iOS 12.3, tvOS 12.3, watchOS 5.2.1, and macOS 10.14.5 for testing by developers. Public betas of iOS 12.3, tvOS 12.3, and macOS 10.14.5 are also available for public beta testers. Also released is a third beta build for the third-generation Apple TV software version 7.3. 

The fourth iOS 12.3 beta is build number 16F5148a, which replaces the third build, 16F5139e. The fourth build of watchOS 5.2.1 is build number 16U5110a, replacing build 16U5101c. The fourth build of tvOS 12.3 is build 16M5146a, replacing the second build 16M5139a. macOS 10.14.5’s fourth beta, build 18F127a, is the replacement for the third build, 18F118d. (Build info via AppleInsider)

Also released today is a third version of Apple TV Software 7.3, for the third-generation Apple TV. The build is number 12H836, which replaces the initial build of 12H833

The new builds are available to developers over the air on the devices with the proper configuration installed. Developers can also download the new betas from the Apple Developer Center.

As usual, MacTrast and Apple both warn users to not install the beta on your daily driver iPhone, iPad, Apple TV, Apple Watch or Mac computer, instead only install it on a device set aside for testing purposes.

Chris Hauk

Chris is a Senior Editor at Mactrast. He lives somewhere in the deep Southern part of America, and yes, he has to pump in both sunshine and the Internet.