Enhanced Security Capability < iOS 26

Privacy & Security General
Calumh11 OP
Created 18h
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Hi,

After enabling the new Enhanced Security capability in Xcode 26, I’m seeing install failures on devices running < iOS 26.

  • Deployment target: iOS 15.0
  • Capability: Enhanced Security (added via Signing & Capabilities tab)
  • Building to iOS 18 device error - Unable to Install ...Please ensure sure that your app is signed by a valid provisioning profile.

It works fine on iOS 26 devices.

I’d like to confirm Apple’s intent here:

  1. Is this capability formally supported only on iOS 26 and later, and therefore incompatible with earlier OS versions?

  2. Or should older systems ignore the entitlement, meaning this behavior might be a bug?

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Enhanced Security Capability &lt; iOS 26
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