https://wccftech.com/apple-releases-fourth-beta-of-ios-12-4-second-beta-of-macos-10-14-6-more-to-developers/ > Today, Apple has seen fit to release the fourth beta of iOS 12.4, third beta of watchOS 5.3, tvOS 12.4 and second beta of macOS 10.14.6 to developers for testing purposes. If you’re a registered developer, you can download and install the latest beta firmware builds right now on your corresponding devices. Let’s dive in to see some more details on whether Apple has incorporated any forward-facing addition to the table. > If you’re a registered developer, you can download the latest iOS 12.4 beta 4 from the Apple Developer Center or via the over-the-air mechanism. Do make sure that a proper configuration profile is required which you can install from the Developer Center. As for what’s new, the new beta does not bring any front-facing addition. However, there are bound to be bug fixes and performance enhancements.