Bump to Swift 6.0 (#152)

Author: davdroman

.github/workflows/ci.yml

@@ -26,13 +26,31 @@ jobs:
           - mac-catalyst
           - tvOS
         swift:
-          - "5.10"
-          - "6.0"
-          - "6.1"
+          - "6.0" # Xcode 16.2
+          - "6.1" # Xcode 16.4
+          - "6.2" # Xcode 26.0
     steps:
       - name: Git Checkout
         uses: actions/checkout@v4
 
+      - name: Disable Macro Fingerprint Validation
+        run: |
+          defaults write com.apple.dt.Xcode IDESkipMacroFingerprintValidation -bool YES
+          defaults write com.apple.dt.Xcode IDESkipPackagePluginFingerprintValidatation -bool YES
+
+      - name: Select Xcode version
+        uses: mxcl/xcodebuild@v3
+        with:
+          swift: ${{ matrix.swift }}
+          action: none
+
+      - name: List Runtimes
+        run: xcrun simctl list runtimes
+
+      - if: matrix.platform != 'mac-catalyst'
+        name: Download Required Runtimes
+        run: xcodebuild -downloadPlatform ${{ matrix.platform }}
+
       - name: Test Library
         uses: mxcl/xcodebuild@v3
         with:

.swift-version

@@ -1 +1 @@
-5.10
+6.0

Package.resolved

@@ -1,4 +1,4 @@
-// swift-tools-version: 5.10
+// swift-tools-version: 6.0
 
 import PackageDescription
 
@@ -37,33 +37,31 @@ let package = Package(
 		]),
 
 		.target(name: "UIKitNavigationTransitions", dependencies: [
+			.product(name: "IssueReporting", package: "xctest-dynamic-overlay"),
 			"NavigationTransition",
-			"RuntimeAssociation",
-			"RuntimeSwizzling",
+			.product(name: "ObjCRuntimeTools", package: "objc-runtime-tools"),
+			.product(name: "Once", package: "swift-once-macro"),
 		]),
 
 		.target(name: "SwiftUINavigationTransitions", dependencies: [
-			"NavigationTransition",
-			"RuntimeAssociation",
-			"RuntimeSwizzling",
 			"UIKitNavigationTransitions",
 			.product(name: "SwiftUIIntrospect", package: "swiftui-introspect"),
 		]),
 
-		.target(name: "RuntimeAssociation"),
-		.target(name: "RuntimeSwizzling"),
-
 		.target(name: "TestUtils", dependencies: [
 			.product(name: "CustomDump", package: "swift-custom-dump"),
 			.product(name: "IssueReporting", package: "xctest-dynamic-overlay"),
 			"SwiftUINavigationTransitions",
 		]),
-	]
+	],
+	swiftLanguageModes: [.v5]
 )
 
 // MARK: Dependencies
 
 package.dependencies = [
+	.package(url: "https://github.com/davdroman/objc-runtime-tools", from: "0.1.0"),
+	.package(url: "https://github.com/davdroman/swift-once-macro", from: "1.0.0"),
 	.package(url: "https://github.com/pointfreeco/swift-custom-dump", from: "1.0.0"), // dev
 	.package(url: "https://github.com/pointfreeco/xctest-dynamic-overlay", from: "1.0.0"),
 	.package(url: "https://github.com/siteline/swiftui-introspect", from: "1.0.0"),
@@ -72,6 +70,7 @@ package.dependencies = [
 for target in package.targets {
 	target.swiftSettings = target.swiftSettings ?? []
 	target.swiftSettings? += [
-		.enableExperimentalFeature("AccessLevelOnImport"),
+		.enableUpcomingFeature("ExistentialAny"),
+		.enableUpcomingFeature("InternalImportsByDefault"),
 	]
 }

Package.swift

@@ -1,4 +1,4 @@
-internal import UIKit // TODO: remove internal from all imports when Swift 5.10 is dropped
+import UIKit
 
 extension Animation {
 	public static func interpolatingSpring(

Package@swift-6.0.swift

@@ -1,4 +1,4 @@
-internal import UIKit // TODO: remove internal from all imports when Swift 5.10 is dropped
+import UIKit
 
 extension Animation {
 	public static func timingCurve(

Sources/Animation/InterpolatingSpring.swift

@@ -1,4 +1,4 @@
-internal import AtomicTransition
+import AtomicTransition
 
 extension AnyNavigationTransition {
 	/// A transition that fades the pushed view in, fades the popped view out, or cross-fades both views.

Sources/Animation/TimingCurve.swift

@@ -1,4 +1,4 @@
-internal import AtomicTransition
+import AtomicTransition
 public import SwiftUI
 
 extension AnyNavigationTransition {