Apple has a lot of beta software out there getting tested, from the immediate followup to iOS 11.4 and looking beyond to iOS 12.
Update: Apple has also seeded the third developer beta of macOS High Sierra 10.13.6. To update, developers that already have their Macs registered can head into the Mac App Store, and find the new software in the Updates tab. It can also be downloaded and installed from the Developer Center.
In addition to that, Apple has also seeded the corresponding public betas of iOS 11.4.1 and tvOS 11.4.1 as well. Public beta testers can download and install the latest betas now.
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Today, though, it has its sights set on the beta for the immediate successor to iOS 11.4. Apple has officially seeded the third developer beta for iOS 11.4.1 to registered developers. It can be downloaded and installed as an over-the-air (OTA) update for iOS devices that have been registered, or developers can download the new pre-release software from Apple’s Developer Center directly.
To update to iOS 11.4.1, you must be a registered developer. If you have the proper configuration profiles installed on your test devices, the software can be downloaded and installed as an over-the-air update by navigating to Settings –> General –> Software Update and then following the onscreen instructions.
The company has also seeded the second developer beta for tvOS 11.4.1. To update supported Apple TV set-top boxes to tvOS 11.4.1, developers must have the proper configuration profile installed, and the Apple TV set-top box must be connected to a computer so the pre-release software can be setup via Xcode. If the developer already has a registered fourth- or fifth-generation Apple TV, they can also turn on automatic updates, which will pull down the latest beta seed as well.
In each of these cases, the software is a minor update in the grand scheme of things, not adding any major forward-facing features to the end user. Instead, these updates aim to fix behind-the-scenes issues, enhance performance, and squash bugs.
It is possible public betas for select platforms will be seeded later this week as well.