Update CI to iOS 18.5 and Xcode 16.4 (Swift 6.1.2) (#1)

Author: Kyle-Ye

.github/workflows/compatibility_tests.yml

@@ -12,14 +12,14 @@ jobs:
     strategy:
       matrix:
         os: [macos-15]
-        xcode-version: ["16.0"]
+        xcode-version: ["16.4"]   # Swift 6.1.2
     runs-on: ${{ matrix.os }}
     env:
       UNSAFEHETEROGENEOUSBUFFER_SWIFTUI_COMPATIBILITY_TEST: 1
     steps:
       - uses: actions/checkout@v4
       - name: Setup Xcode
-        uses: maxim-lobanov/setup-xcode@v1
+        uses: OpenSwiftUIProject/OpenSwiftUI/.github/actions/setup-xcode@main
         with:
           xcode-version: ${{ matrix.xcode-version }}
       - name: Run compatibility tests
@@ -33,16 +33,16 @@ jobs:
       fail-fast: false
       matrix:
         os: [macos-15]
-        xcode-version: ["16.0"]
-        ios-version: ["18.0"]
+        xcode-version: ["16.4"]   # Swift 6.1.2
+        ios-version: ["18.5"]
         ios-simulator-name: ["iPhone 16 Pro"]
     runs-on: ${{ matrix.os }}
     env:
       UNSAFEHETEROGENEOUSBUFFER_SWIFTUI_COMPATIBILITY_TEST: 1
     steps:
       - uses: actions/checkout@v4
       - name: Setup Xcode
-        uses: maxim-lobanov/setup-xcode@v1
+        uses: OpenSwiftUIProject/OpenSwiftUI/.github/actions/setup-xcode@main
         with:
           xcode-version: ${{ matrix.xcode-version }}
       - name: Run compatibility tests

.github/workflows/ios.yml

@@ -12,16 +12,16 @@ jobs:
     strategy:
       matrix:
         os: [macos-15]
-        xcode-version: [16.0]
-        ios-version: ["18.0"]
+        xcode-version: ["16.4"]   # Swift 6.1.2
+        ios-version: ["18.5"]
         ios-simulator-name: ["iPhone 16 Pro"]
     runs-on: ${{ matrix.os }}
     env:
       UNSAFEHETEROGENEOUSBUFFER_SWIFTUI_COMPATIBILITY_TEST: 0
     steps:
       - uses: actions/checkout@v4
       - name: Setup Xcode
-        uses: maxim-lobanov/setup-xcode@v1
+        uses: OpenSwiftUIProject/OpenSwiftUI/.github/actions/setup-xcode@main
         with:
           xcode-version: ${{ matrix.xcode-version }}
       - name: Swift version

.github/workflows/macos.yml

@@ -15,24 +15,24 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: Setup Xcode
-        uses: maxim-lobanov/setup-xcode@v1
+        uses: OpenSwiftUIProject/OpenSwiftUI/.github/actions/setup-xcode@main
         with:
-          xcode-version: 16.0
+          xcode-version: "16.4"
       - name: Build XCFramework
         run: ./Scripts/build_xcframework.sh
   macos_test:
     name: Execute tests on macOS
     strategy:
       matrix:
         os: [macos-15]
-        xcode-version: [16.0]
+        xcode-version: ["16.4"]   # Swift 6.1.2
     runs-on: ${{ matrix.os }}
     env:
       UNSAFEHETEROGENEOUSBUFFER_SWIFTUI_COMPATIBILITY_TEST: 0
     steps:
       - uses: actions/checkout@v4
       - name: Setup Xcode
-        uses: maxim-lobanov/setup-xcode@v1
+        uses: OpenSwiftUIProject/OpenSwiftUI/.github/actions/setup-xcode@main
         with:
           xcode-version: ${{ matrix.xcode-version }}
       - name: Build and run tests in debug mode with coverage

.github/workflows/ubuntu.yml

@@ -10,8 +10,9 @@ jobs:
   ubuntu_test:
     name: Execute tests on Ubuntu
     strategy:
+      fail-fast: false
       matrix:
-        swift_version: ["6.0.1"]
+        swift_version: ["6.1.2"]
     runs-on: ubuntu-22.04
     env:
       UNSAFEHETEROGENEOUSBUFFER_SWIFTUI_COMPATIBILITY_TEST: 0

Scripts/update.sh

@@ -67,7 +67,7 @@ git add Sources/UnsafeHeterogeneousBuffer/UnsafeHeterogeneousBuffer.swift \
 git commit -m "$(cat <<EOF
 Update from OpenSwiftUI upstream
 
-Upstream commit: $UPSTREAM_COMMIT_HASH
+Upstream: https://github.com/OpenSwiftUIProject/OpenSwiftUI/blob/$UPSTREAM_COMMIT_HASH/Sources/OpenSwiftUICore/Data/DynamicProperty/UnsafeHeterogeneousBuffer.swift
 
 Transformations applied:
 - Changed package → public access control
@@ -76,7 +76,6 @@ Transformations applied:
 - Added compatibility test conditionals
 - Replaced OpenSwiftUI helpers with standard Swift
 
-OpenSwiftUI: https://github.com/OpenSwiftUIProject/OpenSwiftUI
 EOF
 )"