With the release date looming, Apple has issued the eighth developer beta builds of iOS 26, iPadOS 26, macOS 26 Tahoe, watchOS 26, tvOS 26, and visionOS 26.

The eighth round follows after the seventh, which appeared on August 18. The sixth landed on August 11, however Apple did introduce a small update to the build on August 14 for iOS 26.

The eighth generation is close to the end of the testing period for iOS 26, iPadOS 26, watchOS 26, macOS 26 Tahoe, visionOS 26, and tvOS 26. The official releases of the new milestone operating systems are expected to occur within weeks, to accompany the usual hardware launches for Apple's September iPhone launch.

  • iOS 26 beta 8 is build 23A5330a, replacing 23A5326a
  • iPadOS 26 beta 8 is build 23A5330a, replacing 23A5326a
  • watchOS 26 beta 8 is build 23R5350a, replacing 23R5346a
  • macOS Tahoe 26 beta 8 is build 25A5349a, replacing 25A5346a
  • visionOS 26 beta 8 is build 23M5332a, replacing 23M5328a
  • tvOS 26 beta 8 is build 23J5348a, replacing 23J5346a

As well as the 26-gen builds, Apple has also handed out other builds for testing. They include the RC 4 builds of macOS 15.7 (24G217) and macOS 14.8 (23J18), and HomePod Software 26 beta 8 (23J5348a).

The main change for the 26 generation is the cross-platform Liquid Glass aesthetic. A glass-based UI that uses transparency throughout the operating systems and Apple's apps.

Other big updates in iOS 26 include a new battery management system, a refreshed camera app, changes to the ChatGPT integration, and AirPods feature updates.

iPadOS 26 is a lot more productivity focused, thanks to a new Files app, Preview, and window management changes. With macOS Tahoe, there's the Phone app, Clipboard History, and a reworking of Spotlight.

The seventh iOS 26 developer beta included a reintroduction of blood oxygen measuring for the Apple Watch, a new Adaptive Power Notifications option, and a Liquid Glass tweak to make the background of Control Center darker for readability.

The '26 betas aren't the only tested operating system updates. It has been running a second track for current-gen operating system betas in parallel, with expectations that the testing will end with the 26-gen releases.

AppleInsider and Apple strongly warn against users installing test operating systems or beta software onto primary or "mission-critical" hardware. Due to the increased risk of data loss and other issues, beta participants should use secondary or non-essential hardware and ensure they have sufficient backups of their critical data at all times.

Members of the public wanting to try out the new features before the full release should instead try the public betas.

Find any changes in the new builds? Reach out to us on Twitter at @AppleInsider or @Andrew_OSU, or send Andrew an email at [email protected].