Release 2020-07-02 toolchain for macOS.

Installation.md

@@ -103,15 +103,12 @@ To install Swift for TensorFlow, download one of the packages below and follow t
 
 | Download |
 |----------|
-| [Xcode 11 (June 25, 2020)](https://storage.googleapis.com/swift-tensorflow-artifacts/macos-toolchains/swift-tensorflow-DEVELOPMENT-2020-06-25-a-osx.pkg) |
+| [Xcode 11 (July 2, 2020)](https://storage.googleapis.com/swift-tensorflow-artifacts/macos-toolchains/swift-tensorflow-DEVELOPMENT-2020-07-02-a-osx.pkg) |
 | [Ubuntu 18.04 (CPU, TPU) (Nightly)](https://storage.googleapis.com/swift-tensorflow-artifacts/nightlies/latest/swift-tensorflow-DEVELOPMENT-ubuntu18.04.tar.gz) |
 | [Ubuntu 18.04 (CPU, CUDA 10.2, TPU) (Nightly)](https://storage.googleapis.com/swift-tensorflow-artifacts/nightlies/latest/swift-tensorflow-DEVELOPMENT-cuda10.2-cudnn7-ubuntu18.04.tar.gz) |
 | [Ubuntu 18.04 (CPU, CUDA 10.1, TPU) (Nightly)](https://storage.googleapis.com/swift-tensorflow-artifacts/nightlies/latest/swift-tensorflow-DEVELOPMENT-cuda10.1-cudnn7-ubuntu18.04.tar.gz) |
 | [Windows (June 23, 2020)](https://storage.googleapis.com/azure-pipelines-storage/Swift%20for%20TensorFlow/Windows/s4tf-windows-x64-34189-20200623.1.exe) |
 
-<!-- Note: uncomment "Older Packages" when there is at least one older package to show. -->
-<!--
-
 <details>
   <summary>Older Packages</summary>
 
@@ -121,12 +118,10 @@ To install Swift for TensorFlow, download one of the packages below and follow t
 
 | Download |
 |----------|
-| *none yet* |
+| [June 25, 2020](https://storage.googleapis.com/swift-tensorflow/mac/swift-tensorflow-DEVELOPMENT-2020-06-25-a-osx.pkg) |
 
 </details>
 
--->
-
 <br/>
 
 **Note:** Currently, the Xcode toolchains above only support macOS development. iOS/tvOS/watchOS are not supported.