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6h ago

Apple Releases iOS 27 Developer Beta 1 at WWDC

Developers get early access to new APIs through a beta that Apple warns should not run on primary devices.

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First iOS 27, macOS 27 developer betas are out
Macro shot of a MacBook, iPad, and iPhone displaying overlapping app screens and a notification, illustrating cross‑device continuity.
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Overview

  • Apple released iOS 27 Developer Beta 1 at WWDC, which it unveiled on June 8, 2026, and published official release notes that list changes and known issues.
  • The build is intended for registered developers and early testers and Apple and outlets warn it can be unstable and may break apps including banking software.
  • To install the beta users must enable Beta Updates in Settings > General > Software Update and select the iOS 27 Developer Beta from the menu.
  • Initial downloads can be large — one report measured the first beta at just over 18GB on an iPhone 17 Pro Max — so testers should use Wi‑Fi, backup data, and avoid primary devices.
  • A public beta is expected about a month after the developer seed, likely in July 2026, with a final public release due in the fall around mid‑September; Apple is also running maintenance work on iOS 26 while shifting feature work to iOS 27.