awslabs · dayaffe · Jun 19, 2025 · Jun 19, 2025 · Jun 19, 2025 · Jun 19, 2025
diff --git a/AWSSDKSwiftCLI/Sources/AWSSDKSwiftCLI/Models/ReleaseNotesBuilder.swift b/AWSSDKSwiftCLI/Sources/AWSSDKSwiftCLI/Models/ReleaseNotesBuilder.swift
@@ -18,12 +18,6 @@ struct ReleaseNotesBuilder {
     let features: Features
     let featuresIDToServiceName: [String: String]
 
-    static let macOSVersionBumpAnnouncement: String = """
-    **Heads up!**
-    On June 19th, the minimum supported macOS version for this SDK will increase from 10.15 to 12.
-    [Read more](https://github.com/awslabs/aws-sdk-swift/discussions/1940)
-    """
-
     // MARK: - Build
 
     func build() throws -> String {
@@ -32,10 +26,7 @@ struct ReleaseNotesBuilder {
         let fullCommitLogLink = [
             "\n**Full Changelog**: https://github.com/\(repoOrg.rawValue)/\(repoType.rawValue)/compare/\(previousVersion)...\(newVersion)"
         ]
-        let contents = [
-            ReleaseNotesBuilder.macOSVersionBumpAnnouncement,
-            "## What's Changed"
-        ] + serviceClientChanges + sdkChanges + fullCommitLogLink
+        let contents = ["## What's Changed"] + serviceClientChanges + sdkChanges + fullCommitLogLink
         return contents.joined(separator: .newline)
     }
 

diff --git a/AWSSDKSwiftCLI/Sources/AWSSDKSwiftCLI/Resources/Package.Base.txt b/AWSSDKSwiftCLI/Sources/AWSSDKSwiftCLI/Resources/Package.Base.txt
@@ -39,7 +39,7 @@ extension Target.Dependency {
 let package = Package(
     name: "aws-sdk-swift",
     platforms: [
-        .macOS(.v10_15),
+        .macOS(.v12),
         .iOS(.v13),
         .tvOS(.v13),
         .watchOS(.v6)

diff --git a/AWSSDKSwiftCLI/Sources/AWSSDKSwiftCLI/Resources/SmokeTestsPackage.Base.txt b/AWSSDKSwiftCLI/Sources/AWSSDKSwiftCLI/Resources/SmokeTestsPackage.Base.txt
@@ -10,7 +10,7 @@ extension Target.Dependency {
 let package = Package(
     name: "SmokeTests",
     platforms: [
-        .macOS(.v10_15)
+        .macOS(.v12)
     ],
         products: serviceNames.map(productForRunner(_:)),
     dependencies: [

diff --git a/AWSSDKSwiftCLI/Tests/AWSSDKSwiftCLITests/Models/ReleaseNotesBuilderTests.swift b/AWSSDKSwiftCLI/Tests/AWSSDKSwiftCLITests/Models/ReleaseNotesBuilderTests.swift
@@ -97,7 +97,7 @@ class ReleaseNotesBuilderTests: CLITestCase {
 
         **Full Changelog**: https://github.com/awslabs/aws-sdk-swift/compare/1.0.0...1.0.1
         """
-        XCTAssertEqual(releaseNotes, ReleaseNotesBuilder.macOSVersionBumpAnnouncement + "\n" + expected)
+        XCTAssertEqual(releaseNotes, expected)
     }
 
     func testNoServiceFeatureSectionPresent() throws {
@@ -117,7 +117,7 @@ class ReleaseNotesBuilderTests: CLITestCase {
 
         **Full Changelog**: https://github.com/awslabs/aws-sdk-swift/compare/1.0.0...1.0.1
         """
-        XCTAssertEqual(releaseNotes, ReleaseNotesBuilder.macOSVersionBumpAnnouncement + "\n" + expected)
+        XCTAssertEqual(releaseNotes, expected)
     }
 
     func testNoServiceDocSectionPresent() throws {
@@ -138,7 +138,7 @@ class ReleaseNotesBuilderTests: CLITestCase {
 
         **Full Changelog**: https://github.com/awslabs/aws-sdk-swift/compare/1.0.0...1.0.1
         """
-        XCTAssertEqual(releaseNotes, ReleaseNotesBuilder.macOSVersionBumpAnnouncement + "\n" + expected)
+        XCTAssertEqual(releaseNotes, expected)
     }
 
     func testNoSDKChangeSectionPresent() throws {
@@ -158,7 +158,7 @@ class ReleaseNotesBuilderTests: CLITestCase {
 
         **Full Changelog**: https://github.com/awslabs/aws-sdk-swift/compare/1.0.0...1.0.1
         """
-        XCTAssertEqual(releaseNotes, ReleaseNotesBuilder.macOSVersionBumpAnnouncement + "\n" + expected)
+        XCTAssertEqual(releaseNotes, expected)
     }
 
     func testNoSectionsPresentAndIrrelevantCommitsAreFiltered() throws {
@@ -173,7 +173,7 @@ class ReleaseNotesBuilderTests: CLITestCase {
 
         **Full Changelog**: https://github.com/awslabs/aws-sdk-swift/compare/1.0.0...1.0.1
         """
-        XCTAssertEqual(releaseNotes, ReleaseNotesBuilder.macOSVersionBumpAnnouncement + "\n" + expected)
+        XCTAssertEqual(releaseNotes, expected)
     }
 
     func testNullReleaseNotesFieldGetsHandledWithoutError() throws {
@@ -190,7 +190,7 @@ class ReleaseNotesBuilderTests: CLITestCase {
 
         **Full Changelog**: https://github.com/awslabs/aws-sdk-swift/compare/1.0.0...1.0.1
         """
-        XCTAssertEqual(releaseNotes, ReleaseNotesBuilder.macOSVersionBumpAnnouncement + "\n" + expected)
+        XCTAssertEqual(releaseNotes, expected)
     }
 
     private func setUpBuildRequestAndMappingJSONs(_ buildRequest: String, _ mapping: String) {

diff --git a/IntegrationTests/Package.swift b/IntegrationTests/Package.swift
@@ -32,7 +32,7 @@ extension Target.Dependency {
 let package = Package(
     name: "aws-sdk-swift-integration-tests",
     platforms: [
-        .macOS(.v10_15),
+        .macOS(.v12),
         .iOS(.v13),
         .tvOS(.v13),
         .watchOS(.v6)

diff --git a/IntegrationTests/Services/AWSEC2IntegrationTests/Resources/IMDSIntegTestApp/Package.swift b/IntegrationTests/Services/AWSEC2IntegrationTests/Resources/IMDSIntegTestApp/Package.swift
@@ -5,7 +5,7 @@ import PackageDescription
 let package = Package(
     name: "IMDSIntegTestApp",
     platforms: [
-        .macOS(.v10_15),
+        .macOS(.v12),
         .iOS(.v13)
     ],
     dependencies: [

diff --git a/IntegrationTests/Services/AWSECSIntegrationTests/Resources/ECSIntegTestApp/Package.swift b/IntegrationTests/Services/AWSECSIntegrationTests/Resources/ECSIntegTestApp/Package.swift
@@ -5,7 +5,7 @@ import PackageDescription
 let package = Package(
     name: "ECSIntegTestApp",
     platforms: [
-        .macOS(.v10_15),
+        .macOS(.v12),
         .iOS(.v13)
     ],
     dependencies: [

diff --git a/Package.swift b/Package.swift
@@ -472,7 +472,7 @@ extension Target.Dependency {
 let package = Package(
     name: "aws-sdk-swift",
     platforms: [
-        .macOS(.v10_15),
+        .macOS(.v12),
         .iOS(.v13),
         .tvOS(.v13),
         .watchOS(.v6)

diff --git a/Sources/Core/AWSClientRuntime/Package.swift.txt b/Sources/Core/AWSClientRuntime/Package.swift.txt
@@ -5,7 +5,7 @@ import PackageDescription
 let package = Package(
     name: "AWSClientRuntime",
     platforms: [
-        .macOS(.v10_15),
+        .macOS(.v12),
         .iOS(.v13),
         .tvOS(.v13),
         .watchOS(.v6)

diff --git a/Sources/Core/AWSSDKChecksums/Package.swift.txt b/Sources/Core/AWSSDKChecksums/Package.swift.txt
@@ -5,7 +5,7 @@ import PackageDescription
 let package = Package(
     name: "AWSSDKChecksums",
     platforms: [
-        .macOS(.v10_15),
+        .macOS(.v12),
         .iOS(.v13),
         .tvOS(.v13),
         .watchOS(.v6)

diff --git a/Sources/Core/AWSSDKCommon/Package.swift.txt b/Sources/Core/AWSSDKCommon/Package.swift.txt
@@ -5,7 +5,7 @@ import PackageDescription
 let package = Package(
     name: "AWSSDKCommon",
     platforms: [
-        .macOS(.v10_15),
+        .macOS(.v12),
         .iOS(.v13),
         .tvOS(.v13),
         .watchOS(.v6)

diff --git a/Sources/Core/AWSSDKEventStreamsAuth/Package.swift.txt b/Sources/Core/AWSSDKEventStreamsAuth/Package.swift.txt
@@ -5,7 +5,7 @@ import PackageDescription
 let package = Package(
     name: "AWSSDKEventStreamsAuth",
     platforms: [
-        .macOS(.v10_15),
+        .macOS(.v12),
         .iOS(.v13),
         .tvOS(.v13),
         .watchOS(.v6)

diff --git a/Sources/Core/AWSSDKHTTPAuth/Package.swift.txt b/Sources/Core/AWSSDKHTTPAuth/Package.swift.txt
@@ -5,7 +5,7 @@ import PackageDescription
 let package = Package(
     name: "AWSSDKHTTPAuth",
     platforms: [
-        .macOS(.v10_15),
+        .macOS(.v12),
         .iOS(.v13),
         .tvOS(.v13),
         .watchOS(.v6)

diff --git a/Sources/Core/AWSSDKIdentity/Package.swift.txt b/Sources/Core/AWSSDKIdentity/Package.swift.txt
@@ -5,7 +5,7 @@ import PackageDescription
 let package = Package(
     name: "InternalAWSSTS",
     platforms: [
-        .macOS(.v10_15), .iOS(.v13)
+        .macOS(.v12), .iOS(.v13)
     ],
     products: [
         .library(name: "InternalAWSSTS", targets: ["InternalAWSSTS"])

diff --git a/Sources/Services/AWSACM/Package.swift.txt b/Sources/Services/AWSACM/Package.swift.txt
@@ -5,7 +5,7 @@ import PackageDescription
 let package = Package(
     name: "AWSACM",
     platforms: [
-        .macOS(.v10_15), .iOS(.v13)
+        .macOS(.v12), .iOS(.v13)
     ],
     products: [
         .library(name: "AWSACM", targets: ["AWSACM"])

diff --git a/Sources/Services/AWSACMPCA/Package.swift.txt b/Sources/Services/AWSACMPCA/Package.swift.txt
@@ -5,7 +5,7 @@ import PackageDescription
 let package = Package(
     name: "AWSACMPCA",
     platforms: [
-        .macOS(.v10_15), .iOS(.v13)
+        .macOS(.v12), .iOS(.v13)
     ],
     products: [
         .library(name: "AWSACMPCA", targets: ["AWSACMPCA"])

diff --git a/Sources/Services/AWSAIOps/Package.swift.txt b/Sources/Services/AWSAIOps/Package.swift.txt
@@ -5,7 +5,7 @@ import PackageDescription
 let package = Package(
     name: "AWSAIOps",
     platforms: [
-        .macOS(.v10_15), .iOS(.v13)
+        .macOS(.v12), .iOS(.v13)
     ],
     products: [
         .library(name: "AWSAIOps", targets: ["AWSAIOps"])

diff --git a/Sources/Services/AWSAPIGateway/Package.swift.txt b/Sources/Services/AWSAPIGateway/Package.swift.txt
@@ -5,7 +5,7 @@ import PackageDescription
 let package = Package(
     name: "AWSAPIGateway",
     platforms: [
-        .macOS(.v10_15), .iOS(.v13)
+        .macOS(.v12), .iOS(.v13)
     ],
     products: [
         .library(name: "AWSAPIGateway", targets: ["AWSAPIGateway"])

diff --git a/Sources/Services/AWSARCZonalShift/Package.swift.txt b/Sources/Services/AWSARCZonalShift/Package.swift.txt
@@ -5,7 +5,7 @@ import PackageDescription
 let package = Package(
     name: "AWSARCZonalShift",
     platforms: [
-        .macOS(.v10_15), .iOS(.v13)
+        .macOS(.v12), .iOS(.v13)
     ],
     products: [
         .library(name: "AWSARCZonalShift", targets: ["AWSARCZonalShift"])

diff --git a/Sources/Services/AWSAccessAnalyzer/Package.swift.txt b/Sources/Services/AWSAccessAnalyzer/Package.swift.txt
@@ -5,7 +5,7 @@ import PackageDescription
 let package = Package(
     name: "AWSAccessAnalyzer",
     platforms: [
-        .macOS(.v10_15), .iOS(.v13)
+        .macOS(.v12), .iOS(.v13)
     ],
     products: [
         .library(name: "AWSAccessAnalyzer", targets: ["AWSAccessAnalyzer"])

diff --git a/Sources/Services/AWSAccount/Package.swift.txt b/Sources/Services/AWSAccount/Package.swift.txt
@@ -5,7 +5,7 @@ import PackageDescription
 let package = Package(
     name: "AWSAccount",
     platforms: [
-        .macOS(.v10_15), .iOS(.v13)
+        .macOS(.v12), .iOS(.v13)
     ],
     products: [
         .library(name: "AWSAccount", targets: ["AWSAccount"])

diff --git a/Sources/Services/AWSAmp/Package.swift.txt b/Sources/Services/AWSAmp/Package.swift.txt
@@ -5,7 +5,7 @@ import PackageDescription
 let package = Package(
     name: "AWSAmp",
     platforms: [
-        .macOS(.v10_15), .iOS(.v13)
+        .macOS(.v12), .iOS(.v13)
     ],
     products: [
         .library(name: "AWSAmp", targets: ["AWSAmp"])

diff --git a/Sources/Services/AWSAmplify/Package.swift.txt b/Sources/Services/AWSAmplify/Package.swift.txt
@@ -5,7 +5,7 @@ import PackageDescription
 let package = Package(
     name: "AWSAmplify",
     platforms: [
-        .macOS(.v10_15), .iOS(.v13)
+        .macOS(.v12), .iOS(.v13)
     ],
     products: [
         .library(name: "AWSAmplify", targets: ["AWSAmplify"])

diff --git a/Sources/Services/AWSAmplifyBackend/Package.swift.txt b/Sources/Services/AWSAmplifyBackend/Package.swift.txt
@@ -5,7 +5,7 @@ import PackageDescription
 let package = Package(
     name: "AWSAmplifyBackend",
     platforms: [
-        .macOS(.v10_15), .iOS(.v13)
+        .macOS(.v12), .iOS(.v13)
     ],
     products: [
         .library(name: "AWSAmplifyBackend", targets: ["AWSAmplifyBackend"])

diff --git a/Sources/Services/AWSAmplifyUIBuilder/Package.swift.txt b/Sources/Services/AWSAmplifyUIBuilder/Package.swift.txt
@@ -5,7 +5,7 @@ import PackageDescription
 let package = Package(
     name: "AWSAmplifyUIBuilder",
     platforms: [
-        .macOS(.v10_15), .iOS(.v13)
+        .macOS(.v12), .iOS(.v13)
     ],
     products: [
         .library(name: "AWSAmplifyUIBuilder", targets: ["AWSAmplifyUIBuilder"])

diff --git a/Sources/Services/AWSApiGatewayManagementApi/Package.swift.txt b/Sources/Services/AWSApiGatewayManagementApi/Package.swift.txt
@@ -5,7 +5,7 @@ import PackageDescription
 let package = Package(
     name: "AWSApiGatewayManagementApi",
     platforms: [
-        .macOS(.v10_15), .iOS(.v13)
+        .macOS(.v12), .iOS(.v13)
     ],
     products: [
         .library(name: "AWSApiGatewayManagementApi", targets: ["AWSApiGatewayManagementApi"])

diff --git a/Sources/Services/AWSApiGatewayV2/Package.swift.txt b/Sources/Services/AWSApiGatewayV2/Package.swift.txt
@@ -5,7 +5,7 @@ import PackageDescription
 let package = Package(
     name: "AWSApiGatewayV2",
     platforms: [
-        .macOS(.v10_15), .iOS(.v13)
+        .macOS(.v12), .iOS(.v13)
     ],
     products: [
         .library(name: "AWSApiGatewayV2", targets: ["AWSApiGatewayV2"])

diff --git a/Sources/Services/AWSAppConfig/Package.swift.txt b/Sources/Services/AWSAppConfig/Package.swift.txt
@@ -5,7 +5,7 @@ import PackageDescription
 let package = Package(
     name: "AWSAppConfig",
     platforms: [
-        .macOS(.v10_15), .iOS(.v13)
+        .macOS(.v12), .iOS(.v13)
     ],
     products: [
         .library(name: "AWSAppConfig", targets: ["AWSAppConfig"])

diff --git a/Sources/Services/AWSAppConfigData/Package.swift.txt b/Sources/Services/AWSAppConfigData/Package.swift.txt
@@ -5,7 +5,7 @@ import PackageDescription
 let package = Package(
     name: "AWSAppConfigData",
     platforms: [
-        .macOS(.v10_15), .iOS(.v13)
+        .macOS(.v12), .iOS(.v13)
     ],
     products: [
         .library(name: "AWSAppConfigData", targets: ["AWSAppConfigData"])

diff --git a/Sources/Services/AWSAppFabric/Package.swift.txt b/Sources/Services/AWSAppFabric/Package.swift.txt
@@ -5,7 +5,7 @@ import PackageDescription
 let package = Package(
     name: "AWSAppFabric",
     platforms: [
-        .macOS(.v10_15), .iOS(.v13)
+        .macOS(.v12), .iOS(.v13)
     ],
     products: [
         .library(name: "AWSAppFabric", targets: ["AWSAppFabric"])

diff --git a/Sources/Services/AWSAppIntegrations/Package.swift.txt b/Sources/Services/AWSAppIntegrations/Package.swift.txt
@@ -5,7 +5,7 @@ import PackageDescription
 let package = Package(
     name: "AWSAppIntegrations",
     platforms: [
-        .macOS(.v10_15), .iOS(.v13)
+        .macOS(.v12), .iOS(.v13)
     ],
     products: [
         .library(name: "AWSAppIntegrations", targets: ["AWSAppIntegrations"])

diff --git a/Sources/Services/AWSAppMesh/Package.swift.txt b/Sources/Services/AWSAppMesh/Package.swift.txt
@@ -5,7 +5,7 @@ import PackageDescription
 let package = Package(
     name: "AWSAppMesh",
     platforms: [
-        .macOS(.v10_15), .iOS(.v13)
+        .macOS(.v12), .iOS(.v13)
     ],
     products: [
         .library(name: "AWSAppMesh", targets: ["AWSAppMesh"])

diff --git a/Sources/Services/AWSAppRunner/Package.swift.txt b/Sources/Services/AWSAppRunner/Package.swift.txt
@@ -5,7 +5,7 @@ import PackageDescription
 let package = Package(
     name: "AWSAppRunner",
     platforms: [
-        .macOS(.v10_15), .iOS(.v13)
+        .macOS(.v12), .iOS(.v13)
     ],
     products: [
         .library(name: "AWSAppRunner", targets: ["AWSAppRunner"])

diff --git a/Sources/Services/AWSAppStream/Package.swift.txt b/Sources/Services/AWSAppStream/Package.swift.txt
@@ -5,7 +5,7 @@ import PackageDescription
 let package = Package(
     name: "AWSAppStream",
     platforms: [
-        .macOS(.v10_15), .iOS(.v13)
+        .macOS(.v12), .iOS(.v13)
     ],
     products: [
         .library(name: "AWSAppStream", targets: ["AWSAppStream"])

diff --git a/Sources/Services/AWSAppSync/Package.swift.txt b/Sources/Services/AWSAppSync/Package.swift.txt
@@ -5,7 +5,7 @@ import PackageDescription
 let package = Package(
     name: "AWSAppSync",
     platforms: [
-        .macOS(.v10_15), .iOS(.v13)
+        .macOS(.v12), .iOS(.v13)
     ],
     products: [
         .library(name: "AWSAppSync", targets: ["AWSAppSync"])

diff --git a/Sources/Services/AWSAppTest/Package.swift.txt b/Sources/Services/AWSAppTest/Package.swift.txt
@@ -5,7 +5,7 @@ import PackageDescription
 let package = Package(
     name: "AWSAppTest",
     platforms: [
-        .macOS(.v10_15), .iOS(.v13)
+        .macOS(.v12), .iOS(.v13)
     ],
     products: [
         .library(name: "AWSAppTest", targets: ["AWSAppTest"])

diff --git a/Sources/Services/AWSAppflow/Package.swift.txt b/Sources/Services/AWSAppflow/Package.swift.txt
@@ -5,7 +5,7 @@ import PackageDescription
 let package = Package(
     name: "AWSAppflow",
     platforms: [
-        .macOS(.v10_15), .iOS(.v13)
+        .macOS(.v12), .iOS(.v13)
     ],
     products: [
         .library(name: "AWSAppflow", targets: ["AWSAppflow"])