chore: raise minimum supported platform, Swift, and Xcode versions

.github/composite_actions/get_platform_parameters/action.yml

@@ -41,8 +41,8 @@ runs:
 
     - id: get-xcode-version
       run: |
-        LATEST_XCODE_VERSION=26.3
-        MINIMUM_XCODE_VERSION=16.0.0
+        LATEST_XCODE_VERSION=26.5
+        MINIMUM_XCODE_VERSION=26.0.1
 
         INPUT_XCODE_VERSION=${{ inputs.xcode_version }}
 
@@ -66,60 +66,49 @@ runs:
 
         # Map resolved Xcode versions to simulator destinations.
         # Only explicitly supported versions are allowed — unknown versions fail.
+        #
+        # The minimum-Xcode legs (26.0.1) run against the 26.2 simulator runtime:
+        # the macos-26 runner image ships SDKs for 26.0 but only installs runtimes
+        # for 26.2 and later. The Xcode version is what we are validating here, and
+        # the runtime only needs to be at or above our deployment target floors.
         case $INPUT_PLATFORM/$XCODE_VERSION in
-          iOS/26.3)
-            DEVICE="iPhone 16 Pro Max"
-            OS_VERSION="26.2"
-            ;;
-          iOS/16.4.0)
-            DEVICE="iPhone 16 Pro Max"
-            OS_VERSION="18.5"
+          iOS/26.5)
+            DEVICE="iPhone 17 Pro Max"
+            OS_VERSION="26.5"
             ;;
-          iOS/16.0.0)
-            DEVICE="iPhone 16 Pro Max"
-            OS_VERSION="18.0"
-            ;;
-          tvOS/26.3)
-            DEVICE="Apple TV 4K (3rd generation)"
+          iOS/26.0.1)
+            DEVICE="iPhone 17 Pro Max"
             OS_VERSION="26.2"
             ;;
-          tvOS/16.4.0)
+          tvOS/26.5)
             DEVICE="Apple TV 4K (3rd generation)"
-            OS_VERSION="18.5"
+            OS_VERSION="26.5"
             ;;
-          tvOS/16.0.0)
+          tvOS/26.0.1)
             DEVICE="Apple TV 4K (3rd generation)"
-            OS_VERSION="18.0"
-            ;;
-          watchOS/26.3)
-            DEVICE="Apple Watch Series 10 (46mm)"
             OS_VERSION="26.2"
             ;;
-          watchOS/16.4.0)
-            DEVICE="Apple Watch Series 10 (46mm)"
-            OS_VERSION="11.5"
-            ;;
-          watchOS/16.0.0)
-            DEVICE="Apple Watch SE (44mm) (2nd generation)"
-            OS_VERSION="11.0"
+          watchOS/26.5)
+            DEVICE="Apple Watch Series 11 (46mm)"
+            OS_VERSION="26.5"
             ;;
-          visionOS/26.3)
-            DEVICE="Apple Vision Pro"
+          watchOS/26.0.1)
+            DEVICE="Apple Watch Series 11 (46mm)"
             OS_VERSION="26.2"
             ;;
-          visionOS/16.4.0)
+          visionOS/26.5)
             DEVICE="Apple Vision Pro"
-            OS_VERSION="2.5"
+            OS_VERSION="26.5"
             ;;
-          visionOS/16.0.0)
+          visionOS/26.0.1)
             DEVICE="Apple Vision Pro"
-            OS_VERSION="2.0"
+            OS_VERSION="26.2"
             ;;
           macOS/*)
             ;;
           *)
             echo "Unsupported platform/Xcode combination: $INPUT_PLATFORM/$XCODE_VERSION"
-            echo "Supported Xcode versions: 26.3, 16.4.0, 16.0.0"
+            echo "Supported Xcode versions: 26.5, 26.0.1"
             exit 1
             ;;
         esac

.github/composite_actions/install_simulators_if_needed/action.yml

@@ -19,7 +19,7 @@ runs:
       run: |
         XCODE_VERSION="${{ inputs.xcode_version }}"
         PLATFORM="${{ inputs.platform }}"
-        DEFAULT_XCODE_VERSION="16.4.0"
+        DEFAULT_XCODE_VERSION="26.5"
 
         # Skip for macOS as it doesn't need simulators
         if [[ "$PLATFORM" == "macOS" ]]; then

.github/composite_actions/run_xcodebuild/action.yml

@@ -14,7 +14,7 @@ inputs:
   destination:
     required: false
     type: string
-    default: 'platform=iOS Simulator,name=iPhone 13,OS=latest'
+    default: 'platform=iOS Simulator,name=iPhone 17 Pro Max,OS=latest'
   sdk:
     required: false
     type: string

.github/workflows/api-breaking-changes-detection.yml

@@ -10,7 +10,7 @@ permissions:
 jobs:
   build-and-check-api-breakage:
     name: Build and Check API Breakage
-    runs-on: macos-15
+    runs-on: macos-26
 
     steps:
     - name: Checkout repository

.github/workflows/api_digester_check.yml

@@ -7,7 +7,7 @@ on:
 
 jobs:
   check-swift-api-digester:
-    runs-on: macos-15
+    runs-on: macos-26
 
     steps:
     - name: Checkout repository

.github/workflows/build_minimum_supported_swift_platforms.yml

@@ -22,12 +22,12 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        platform: [iOS, macOS, tvOS, watchOS]
+        platform: [iOS, macOS, tvOS, watchOS, visionOS]
 
     uses: ./.github/workflows/build_scheme.yml
     with:
       scheme: Amplify-Build
-      os-runner: 'macos-15'
+      os-runner: 'macos-26'
       xcode-version: 'minimum'
       platform: ${{ matrix.platform }}
       save_build_cache: false

.github/workflows/build_scheme.yml

@@ -16,7 +16,7 @@ on:
 
       os-runner:
         type: string
-        default: 'macos-15'
+        default: 'macos-26'
 
       save_build_cache:
         type: boolean

.github/workflows/canary.yml

@@ -16,14 +16,16 @@ jobs:
     strategy:
       matrix:
         include:
-          - os: macos-15
-            xcode-version: '26.3'
-            device: 'iPhone 16 Pro Max'
+          - os: macos-26
+            xcode-version: '26.5'
+            device: 'iPhone 17 Pro Max'
+            version: '26.5'
+          # Minimum supported Xcode. Uses the 26.2 runtime because the macos-26
+          # image does not install a 26.0 simulator runtime.
+          - os: macos-26
+            xcode-version: '26.0.1'
+            device: 'iPhone 17 Pro Max'
             version: '26.2'
-          - os: macos-15
-            xcode-version: '16.4.0'
-            device: 'iPhone 16 Pro Max'
-            version: '18.5'
     name: Canary Test - Xcode ${{ matrix.xcode-version }}
     runs-on: ${{ matrix.os }}
     steps:

.github/workflows/integ_test_auth.yml

@@ -62,13 +62,13 @@ jobs:
       project_path: ./AmplifyPlugins/Auth/Tests/AuthHostedUIApp/
       resource_subfolder: auth
       timeout-minutes: 60
-      xcode_version: '16.4.0'
+      xcode_version: 'latest'
     secrets: inherit
 
   auth-webauthn-integration-test-iOS:
     if: ${{ inputs.webauthn-ios != 'false' }}
     name: Auth WebAuthn Integration Tests (iOS)
     uses: ./.github/workflows/integ_test_auth_webauthn.yml
     with:
-      xcode_version: '16.4.0'
+      xcode_version: 'latest'
     secrets: inherit

.github/workflows/integ_test_auth_webauthn.yml

@@ -14,7 +14,7 @@ permissions:
 jobs:
   auth-webauthn-integration-tests:
     name: iOS Tests | AuthWebAuthnApp
-    runs-on: macos-15
+    runs-on: macos-26
     timeout-minutes: 60
     environment: IntegrationTest
 

.github/workflows/integ_test_push_notifications.yml

@@ -26,7 +26,7 @@ permissions:
 jobs:
   push-notification-integration-tests:
     name: ${{ matrix.platform }} Tests | PushNotificationHostApp
-    runs-on: macos-15
+    runs-on: macos-26
     timeout-minutes: 60
     environment: IntegrationTest
     strategy:

.github/workflows/run_integration_tests.yml

@@ -4,7 +4,7 @@ on:
     inputs:
       os-runner:
         type: string
-        default: 'macos-15'
+        default: 'macos-26'
       scheme:
         description: 'The scheme to run the tests'
         required: true

.github/workflows/run_unit_tests_platforms.yml

@@ -28,7 +28,7 @@ on:
       os-runner:
         description: 'runs-on input'
         type: string
-        default: 'macos-15'
+        default: 'macos-26'
 
 permissions:
     contents: read

.github/workflows/stress_test.yml

@@ -14,7 +14,7 @@ concurrency:
 
 jobs:
   prepare-for-test:
-    runs-on: macos-15
+    runs-on: macos-26
     environment: IntegrationTest
     outputs:
       destination: ${{ steps.platform.outputs.destination }}
@@ -40,7 +40,7 @@ jobs:
 
   auth-stress-test:
     needs: prepare-for-test
-    runs-on: macos-15
+    runs-on: macos-26
     environment: IntegrationTest
     env:
       DESTINATION: ${{ needs.prepare-for-test.outputs.destination }}
@@ -72,7 +72,7 @@ jobs:
 
   geo-stress-test:
     needs: prepare-for-test
-    runs-on: macos-15
+    runs-on: macos-26
     environment: IntegrationTest
     env:
       DESTINATION: ${{ needs.prepare-for-test.outputs.destination }}
@@ -104,7 +104,7 @@ jobs:
 
   storage-stress-test:
     needs: prepare-for-test
-    runs-on: macos-15
+    runs-on: macos-26
     environment: IntegrationTest
     env:
       DESTINATION: ${{ needs.prepare-for-test.outputs.destination }}
@@ -136,7 +136,7 @@ jobs:
 
   datastore-stress-test:
     needs: prepare-for-test
-    runs-on: macos-15
+    runs-on: macos-26
     environment: IntegrationTest
     env:
       DESTINATION: ${{ needs.prepare-for-test.outputs.destination }}
@@ -168,7 +168,7 @@ jobs:
 
   graphql-api-stress-test:
     needs: prepare-for-test
-    runs-on: macos-15
+    runs-on: macos-26
     environment: IntegrationTest
     env:
       DESTINATION: ${{ needs.prepare-for-test.outputs.destination }}

.github/workflows/swiftformat.yml

@@ -41,7 +41,7 @@ jobs:
       - name: SwiftFormat
         run: |
           ./swiftformat.artifactbundle/swiftformat-$SWIFTFORMAT_VERSION-macos/bin/swiftformat --version
-          ./swiftformat.artifactbundle/swiftformat-$SWIFTFORMAT_VERSION-macos/bin/swiftformat --lint . --reporter github-actions-log --swiftversion 5.9
+          ./swiftformat.artifactbundle/swiftformat-$SWIFTFORMAT_VERSION-macos/bin/swiftformat --lint . --reporter github-actions-log --swiftversion 6.0
 
   confirm-pass:
     runs-on: macos-latest

AGENTS.md

@@ -2,8 +2,8 @@
 
 ## Project Info
 
-- **Language**: Swift 5.9+ | **Build**: SPM (Xcode 16.0+) | **No CocoaPods**
-- **Platforms**: iOS 13+, macOS 12+, tvOS 13+, watchOS 9+, visionOS 1+
+- **Language**: Swift 6.0+ | **Build**: SPM (Xcode 26.0+) | **No CocoaPods**
+- **Platforms**: iOS 15+, macOS 12+, tvOS 15+, watchOS 9+, visionOS 1+
 - **Architecture**: Monorepo — core framework (`Amplify/`), category plugins (`AmplifyPlugins/`), standalone clients (`AmplifyClients/`)
 - **Setup**: `open Package.swift` or `swift package resolve`
 

AmplifyPlugins/API/Tests/APIHostApp/APIHostApp.xcodeproj/project.pbxproj

@@ -4136,7 +4136,7 @@
 				CODE_SIGN_STYLE = Automatic;
 				CURRENT_PROJECT_VERSION = 1;
 				GENERATE_INFOPLIST_FILE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 15.0;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
@@ -4164,7 +4164,7 @@
 				CODE_SIGN_STYLE = Automatic;
 				CURRENT_PROJECT_VERSION = 1;
 				GENERATE_INFOPLIST_FILE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 15.0;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
@@ -4191,7 +4191,7 @@
 				CODE_SIGN_STYLE = Automatic;
 				CURRENT_PROJECT_VERSION = 1;
 				GENERATE_INFOPLIST_FILE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 15.0;
 				MARKETING_VERSION = 1.0;
 				PRODUCT_BUNDLE_IDENTIFIER = com.aws.amplify.AWSAPIPluginGraphQLLambdaAuthTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";
@@ -4213,7 +4213,7 @@
 				CODE_SIGN_STYLE = Automatic;
 				CURRENT_PROJECT_VERSION = 1;
 				GENERATE_INFOPLIST_FILE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 13.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 15.0;
 				MARKETING_VERSION = 1.0;
 				PRODUCT_BUNDLE_IDENTIFIER = com.aws.amplify.AWSAPIPluginGraphQLLambdaAuthTests;
 				PRODUCT_NAME = "$(TARGET_NAME)";

AmplifyPlugins/DataStore/Tests/AWSDataStorePluginTests/AWSDataStoreLocalStoreTests.swift

@@ -456,16 +456,14 @@ class AWSDataStoreLocalStoreTests: LocalStoreIntegrationTestBase {
         XCTAssertEqual(
             postsContainingRandomTitleNumber
                 .lazy
-                .filter { $0.status == .draft }
-                .count,
+                .count(where: { $0.status == .draft }),
             1
         )
 
         XCTAssertEqual(
             postsContainingRandomTitleNumber
                 .lazy
-                .filter { $0.status == .published }
-                .count,
+                .count(where: { $0.status == .published }),
             1
         )