Operating Systems

Beta software, also referred to as a preview, seed, or release candidate, is a pre-release version of software that’s still under development and not yet released to the public. For complete instructions, read Installing Apple Beta Software

tvOS 26.2 RC 2

  • ReleasedDecember 4, 2025
  • Build23K53
  • CompatibilityApple TV HD or later
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macOS 26.2 RC


For devices running macOS 13.4 Ventura or later, go to System Settings > General > Software Update > Beta Updates and choose the Developer beta to install this software. Before testing your software on your device, make sure to enable Developer Mode in Settings > Privacy & Security.

  • ReleasedDecember 3, 2025
  • Build25C56
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visionOS 26.2 RC

  • ReleasedDecember 3, 2025
  • Build23N301
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watchOS 26.2 RC

For devices running watchOS 9.5 or later, from your iPhone go to Settings > General > Software Update > BetaUpdates and choose the Developer beta to install this software. Beforetesting your software on your device, make sure to enable Developer Mode in Settings > Privacy & Security.


To update to the latest beta version of watchOS, use the Watch app on iPhone to update the software.

  • ReleasedDecember 3, 2025
  • Build23S303

macOS 26.1

  • ReleasedNovember 3, 2025
  • Build25B78
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tvOS 26.1

  • ReleasedNovember 3, 2025
  • Build23J582
  • CompatibilityApple TV HD or later
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visionOS 26.1

  • ReleasedNovember 3, 2025
  • Build23N49
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watchOS 26.1


To update to the latest beta version of watchOS, use the Watch app on iPhone to update the software.

  • ReleasedNovember 3, 2025
  • Build23S37

Device Support for macOS 26 beta 2


Install Device Support for macOS 26 beta if installing the macOS Seed in a virtual Machine fails on a host Mac.

  • ReleasedJune 23, 2025
  • Build1950A4
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