Update README

Do not recommend Xcode/iOS betas now that they have been released.
5 年前 · bf154836
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 ARSubsystems defines an interface, and the platform-specific implementations are in the ARCore and ARKit packages. ARFoundation turns the AR data provided by ARSubsystems into Unity `GameObject`s and `MonoBehavour`s.

-The `master` branch is compatible with Unity 2019.2 and later. For 2018.4, see the [1.5-preview branch](https://github.com/Unity-Technologies/arfoundation-samples/tree/1.5-preview). ARFoundation 1.5 is functionality equivalent to 2.2. The only difference is the version of Unity on which it depends.
+The `master` branch is compatible with Unity 2019.2 and later. For 2018.4, see the [1.5-preview branch](https://github.com/Unity-Technologies/arfoundation-samples/tree/1.5-preview).
-The ARKit 3 features require Xcode 11 beta 7 and iOS/iPadOS 13.1 beta.
+The ARKit 3 features require Xcode 11 and iOS/iPadOS 13.

 ## Instructions for installing AR Foundation