[CI] Support Xcode 26

.github/actions/xcode-cache/action.yml

@@ -12,6 +12,3 @@ runs:
         path: spm_cache
         key: ${{ env.IMAGE }}-spm-${{ hashFiles('**/Package.resolved') }}
         restore-keys: ${{ env.IMAGE }}-spm-
-    - uses: mikehardy/buildcache-action@v2
-      with:
-        cache_key: ${{ env.IMAGE }}-buildcache-

.github/workflows/cron-checks.yml

@@ -21,33 +21,28 @@ jobs:
     strategy:
       matrix:
         include:
-          - ios: 18.5
-            xcode: 16.4
-            os: macos-15
+          - ios: "26.0"
+            device: "iPhone 17 Pro"
+            setup_runtime: false
+          - ios: "18.5"
             device: "iPhone 16 Pro"
             setup_runtime: false
-          - ios: 17.5
-            xcode: 15.4
-            os: macos-14
+          - ios: "17.5"
             device: "iPhone 15 Pro"
-            setup_runtime: false
-          - ios: 16.4
-            xcode: 15.3 # fails on 15.4
-            os: macos-14
+            setup_runtime: true
+          - ios: "16.4"
             device: "iPhone 14 Pro"
             setup_runtime: true
-          - ios: 15.5
-            xcode: 15.3 # fails on 15.4
-            os: macos-14
+          - ios: "15.5"
             device: "iPhone 13 Pro"
             setup_runtime: true
       fail-fast: false
-    runs-on: ${{ matrix.os }}
+    runs-on: macos-15
     env:
       GITHUB_EVENT: ${{ toJson(github.event) }}
       ALLURE_TOKEN: ${{ secrets.ALLURE_TOKEN }}
       STREAM_DEMO_APP_SECRET: ${{ secrets.STREAM_DEMO_APP_SECRET }}
-      XCODE_VERSION: ${{ matrix.xcode }}
+      XCODE_VERSION: "26.0.1"
       IOS_SIMULATOR_DEVICE: "${{ matrix.device }} (${{ matrix.ios }})" # For the Allure report
     steps:
     - uses: actions/[email protected]
@@ -94,30 +89,25 @@ jobs:
     strategy:
       matrix:
         include:
-          - ios: 18.5
-            xcode: 16.4
-            os: macos-15
+          - ios: "26.0"
+            device: "iPhone 17 Pro"
+            setup_runtime: false
+          - ios: "18.5"
             device: "iPhone 16 Pro"
             setup_runtime: false
-          - ios: 17.5
-            xcode: 15.4
-            os: macos-14
+          - ios: "17.5"
             device: "iPhone 15 Pro"
-            setup_runtime: false
-          - ios: 16.4
-            xcode: 15.3 # fails on 15.4
-            os: macos-14
+            setup_runtime: true
+          - ios: "16.4"
             device: "iPhone 14 Pro"
             setup_runtime: true
-          - ios: 15.5
-            xcode: 15.3 # fails on 15.4
-            os: macos-14
+          - ios: "15.5"
             device: "iPhone 13 Pro"
             setup_runtime: true
       fail-fast: false
-    runs-on: ${{ matrix.os }}
+    runs-on: macos-15
     env:
-      XCODE_VERSION: ${{ matrix.xcode }}
+      XCODE_VERSION: "26.0.1"
     steps:
     - uses: actions/[email protected]
     - uses: ./.github/actions/bootstrap
@@ -147,24 +137,25 @@ jobs:
           fastlane/test_output/logs/*/Diagnostics/simctl_diagnostics/DiagnosticReports/*
 
   build-old-xcode:
-    name: Build LLC + UI (Xcode 15)
+    name: Build LLC + UI (Old Xcode)
     runs-on: macos-14
     env:
-      XCODE_VERSION: "15.4"
+      XCODE_VERSION: "16.1"
     steps:
     - name: Connect Bot
       uses: webfactory/[email protected]
       with:
         ssh-private-key: ${{ secrets.BOT_SSH_PRIVATE_KEY }}
     - uses: actions/[email protected]
+    - uses: ./.github/actions/xcode-cache
     - uses: ./.github/actions/ruby-cache
     - name: List Xcode versions
       run: mdfind "kMDItemCFBundleIdentifier = 'com.apple.dt.Xcode'"
     - name: Build LLC
-      run: bundle exec fastlane test device:"iPhone 8" build_for_testing:true
+      run: bundle exec fastlane test device:"iPhone 16" build_for_testing:true
       timeout-minutes: 25
     - name: Build UI
-      run: bundle exec fastlane test_ui device:"iPhone 8" build_for_testing:true
+      run: bundle exec fastlane test_ui device:"iPhone 16" build_for_testing:true
       timeout-minutes: 25
     - name: Build XCFrameworks
       run: bundle exec fastlane build_xcframeworks
@@ -177,7 +168,7 @@ jobs:
     name: Automated Code Review
     runs-on: macos-14
     env:
-      XCODE_VERSION: "15.4"
+      XCODE_VERSION: "16.1"
     steps:
     - uses: actions/[email protected]
     - uses: ./.github/actions/bootstrap

.github/workflows/smoke-checks.yml

@@ -20,7 +20,7 @@ concurrency:
 
 env:
   HOMEBREW_NO_INSTALL_CLEANUP: 1 # Disable cleanup for homebrew, we don't need it on CI
-  IOS_SIMULATOR_DEVICE: "iPhone 16 Pro (18.5)"
+  IOS_SIMULATOR_DEVICE: "iPhone 17 Pro (26.0)"
   GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
   GITHUB_PR_NUM: ${{ github.event.pull_request.number }}
 
@@ -48,7 +48,7 @@ jobs:
     name: Automated Code Review
     runs-on: macos-14
     env:
-      XCODE_VERSION: "15.4"
+      XCODE_VERSION: "16.1"
     if: ${{ github.event.inputs.record_snapshots != 'true' }}
     steps:
       - uses: actions/[email protected]
@@ -63,21 +63,22 @@ jobs:
         if: startsWith(github.event.pull_request.head.ref, 'release/')
 
   build-old-xcode:
-    name: Build LLC + UI (Xcode 15)
+    name: Build SDKs (Old Xcode)
     runs-on: macos-14
     if: ${{ github.event.inputs.record_snapshots != 'true' }}
     env:
-      XCODE_VERSION: "15.4"
+      XCODE_VERSION: "16.1"
     steps:
     - uses: actions/[email protected]
+    - uses: ./.github/actions/xcode-cache
     - uses: ./.github/actions/ruby-cache
     - name: List Xcode versions
       run: mdfind "kMDItemCFBundleIdentifier = 'com.apple.dt.Xcode'"
     - name: Build LLC
-      run: bundle exec fastlane test device:"iPhone 13" build_for_testing:true
+      run: bundle exec fastlane test device:"iPhone 16" build_for_testing:true
       timeout-minutes: 25
     - name: Build UI
-      run: bundle exec fastlane test_ui device:"iPhone 13" build_for_testing:true
+      run: bundle exec fastlane test_ui device:"iPhone 16" build_for_testing:true
       timeout-minutes: 25
 
   test-llc-debug:
@@ -179,6 +180,8 @@ jobs:
       - build-test-app-and-frameworks
     env:
       LAUNCH_ID: ${{ needs.allure_testops_launch.outputs.launch_id }}
+      IOS_SIMULATOR_DEVICE: "iPhone 16 Pro (18.5)" # TODO: IOS-1181
+      XCODE_VERSION: "16.4" # TODO: IOS-1181
     strategy:
       matrix:
         batch: [0, 1]

CHANGELOG.md

@@ -22,6 +22,9 @@ _October 07, 2025_
   - Add `ChatChannelController.setPushPreference(level:)`
   - Add `ChatChannelController.snoozePushNotifications(until:)`
 
+## ⚠️ Important
+- From now on, our XCFrameworks will be built with Swift 5.9. In order to use them, you need Xcode 15 or above.
+
 # [4.89.0](https://github.com/GetStream/stream-chat-swift/releases/tag/4.89.0)
 _September 22, 2025_
 

Githubfile

@@ -4,7 +4,6 @@ export ALLURECTL_VERSION='2.16.0'
 export XCRESULTS_VERSION='1.19.1'
 export YEETD_VERSION='1.0'
 export GCLOUD_VERSION='464.0.0'
-export MINT_VERSION='0.17.5'
 export SONAR_VERSION='6.2.1.4610'
 export IPSW_VERSION='3.1.592'
 export INTERFACE_ANALYZER_VERSION='1.0.7'

Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version:5.7
+// swift-tools-version:5.10
 
 import Foundation
 import PackageDescription
@@ -31,7 +31,10 @@ let package = Package(
         .target(
             name: "StreamChat",
             exclude: ["Info.plist"],
-            resources: [.copy("Database/StreamChatModel.xcdatamodeld")]
+            resources: [.copy("Database/StreamChatModel.xcdatamodeld")],
+            swiftSettings: [
+                .unsafeFlags(["-Osize"], .when(configuration: .release))
+            ]
         ),
         .target(
             name: "StreamChatUI",

StreamChat-XCFramework.podspec

@@ -9,7 +9,7 @@ Pod::Spec.new do |spec|
   spec.author = { 'getstream.io' => '[email protected]' }
   spec.social_media_url = 'https://getstream.io'
 
-  spec.swift_version = '5.7'
+  spec.swift_version = '5.9'
   spec.ios.deployment_target = '13.0'
   spec.requires_arc = true
 
@@ -22,4 +22,12 @@ Pod::Spec.new do |spec|
   spec.preserve_paths = "#{spec.module_name}.xcframework/*"
 
   spec.cocoapods_version = '>= 1.11.0'
+
+  spec.pod_target_xcconfig = {
+    'SWIFT_OPTIMIZATION_LEVEL' => '-Osize'
+  }
+
+  spec.user_target_xcconfig = {
+    'SWIFT_OPTIMIZATION_LEVEL' => '-Osize'
+  }
 end

StreamChat.podspec

@@ -9,7 +9,7 @@ Pod::Spec.new do |spec|
   spec.author = { 'getstream.io' => '[email protected]' }
   spec.social_media_url = 'https://getstream.io'
 
-  spec.swift_version = '5.7'
+  spec.swift_version = '5.9'
   spec.ios.deployment_target  = '13.0'
   spec.osx.deployment_target  = '11.0'
   spec.requires_arc = true
@@ -21,4 +21,12 @@ Pod::Spec.new do |spec|
   spec.source = { git: 'https://github.com/GetStream/stream-chat-swift.git', tag: "#{spec.version}" }
   spec.source_files = ['Sources/StreamChat/**/*.swift']
   spec.resource_bundles = { 'StreamChat' => ['Sources/StreamChat/**/*.xcdatamodeld'] }
+
+  spec.pod_target_xcconfig = {
+    'SWIFT_OPTIMIZATION_LEVEL' => '-Osize'
+  }
+
+  spec.user_target_xcconfig = {
+    'SWIFT_OPTIMIZATION_LEVEL' => '-Osize'
+  }
 end

StreamChat.xcodeproj/project.pbxproj

@@ -14254,6 +14254,7 @@
 				"PROVISIONING_PROFILE_SPECIFIER[sdk=macosx*]" = "";
 				SKIP_INSTALL = YES;
 				SUPPORTED_PLATFORMS = "iphonesimulator iphoneos macosx";
+				SWIFT_OPTIMIZATION_LEVEL = "-Osize";
 				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 			};

StreamChatUI-XCFramework.podspec

@@ -9,7 +9,7 @@ Pod::Spec.new do |spec|
   spec.author = { 'getstream.io' => '[email protected]' }
   spec.social_media_url = 'https://getstream.io'
 
-  spec.swift_version = '5.7'
+  spec.swift_version = '5.9'
   spec.platform = :ios, '13.0'
   spec.requires_arc = true
 

StreamChatUI.podspec

@@ -1,24 +1,25 @@
 Pod::Spec.new do |spec|
-  spec.name = "StreamChatUI"
-  spec.version = "4.90.0"
-  spec.summary = "StreamChat UI Components"
-  spec.description = "StreamChatUI SDK offers flexible UI components able to display data provided by StreamChat SDK."
+  spec.name = 'StreamChatUI'
+  spec.version = '4.90.0'
+  spec.summary = 'StreamChat UI Components'
+  spec.description = 'StreamChatUI SDK offers flexible UI components able to display data provided by StreamChat SDK.'
 
-  spec.homepage = "https://getstream.io/chat/"
-  spec.license = { :type => "BSD-3", :file => "LICENSE" }
-  spec.author = { "getstream.io" => "[email protected]" }
-  spec.social_media_url = "https://getstream.io"
+  spec.homepage = 'https://getstream.io/chat/'
+  spec.license = { type: 'BSD-3', file: 'LICENSE' }
+  spec.author = { 'getstream.io' => '[email protected]' }
+  spec.social_media_url = 'https://getstream.io'
 
-  spec.swift_version = '5.7'
-  spec.platform = :ios, "13.0"
+  spec.swift_version = '5.9'
+  spec.platform = :ios, '13.0'
   spec.requires_arc = true
 
-  spec.framework = "Foundation", "UIKit"
+  spec.framework = 'Foundation', 'UIKit'
 
-  spec.module_name = "StreamChatUI"
-  spec.source = { :git => "https://github.com/GetStream/stream-chat-swift.git", :tag => "#{spec.version}" }
-  spec.source_files  = ["Sources/StreamChatUI/**/*.swift", "Sources/StreamNuke/**/*.swift", "Sources/StreamSwiftyGif/**/*.swift"]
-  spec.resource_bundles = { "StreamChatUIResources" => ["Sources/StreamChatUI/Resources/**/*"] }
+  spec.module_name = 'StreamChatUI'
+  spec.source = { git: 'https://github.com/GetStream/stream-chat-swift.git', tag: "#{spec.version}" }
+  spec.source_files = ['Sources/StreamChatUI/**/*.swift', 'Sources/StreamNuke/**/*.swift',
+                       'Sources/StreamSwiftyGif/**/*.swift']
+  spec.resource_bundles = { 'StreamChatUIResources' => ['Sources/StreamChatUI/Resources/**/*'] }
 
-  spec.dependency "StreamChat", "#{spec.version}"
+  spec.dependency 'StreamChat', "#{spec.version}"
 end