Swift: Build on Xcode 16.2

Author: badboy

.circleci/config.yml

@@ -498,7 +498,7 @@ jobs:
 
   Check Swift formatting:
     macos:
-      xcode: "15.1"
+      xcode: "16.2"
     resource_class: "macos.m1.medium.gen1"
     steps:
       - checkout
@@ -516,7 +516,7 @@ jobs:
 
   iOS build and test:
     macos:
-      xcode: "15.1"
+      xcode: "16.2"
     resource_class: "macos.m1.medium.gen1"
     steps:
       - checkout
@@ -529,16 +529,16 @@ jobs:
       - setup-rust-toolchain
       - restore_cache:
           name: Restore rubygems cache
-          key: swift-docs-gems-v20
+          key: swift-docs-gems-v21
       - run:
           name: Install jazzy
           command: gem install --no-document jazzy
       - save_cache:
           name: Save rubygems cache
           # NEEDS TO CHANGE WHEN JAZZY OR RUBY IS UPDATED
-          key: swift-docs-gems-v20
+          key: swift-docs-gems-v21
           paths:
-            - ~/.rbenv/versions/3.1.4/lib/ruby/gems/3.1.0
+            - ~/.rbenv/versions/3.3.5/lib/ruby/gems/3.3.0
       - run:
           name: Setup build environment
           command: |
@@ -554,7 +554,7 @@ jobs:
             DEVICES=$(xcrun xctrace list devices 2>&1)
             echo "$DEVICES"
             # Pick a device and start it
-            UUID=$(echo "$DEVICES" | grep --max-count=1 'iPhone 15 Simulator (17' | awk -F'[()]' '{print $4}')
+            UUID=$(echo "$DEVICES" | grep --max-count=1 'iPhone 16 Simulator (18' | awk -F'[()]' '{print $4}')
             xcrun simctl boot "$UUID"
             # Store build type for use in cache key
             if [ -z "${CIRCLE_TAG}" ]; then
@@ -616,7 +616,7 @@ jobs:
 
   iOS integration test:
     macos:
-      xcode: "15.1"
+      xcode: "16.2"
     resource_class: "macos.m1.medium.gen1"
     steps:
       - checkout
@@ -638,7 +638,7 @@ jobs:
             DEVICES=$(xcrun xctrace list devices 2>&1)
             echo "$DEVICES"
             # Pick a device and start it
-            UUID=$(echo "$DEVICES" | grep --max-count=1 'iPhone 15 Simulator (17' | awk -F'[()]' '{print $4}')
+            UUID=$(echo "$DEVICES" | grep --max-count=1 'iPhone 16 Simulator (18' | awk -F'[()]' '{print $4}')
             xcrun simctl boot "$UUID"
       - run:
           name: Build XCFramework archive
@@ -661,7 +661,7 @@ jobs:
 
   iOS Framework release:
     macos:
-      xcode: "15.1"
+      xcode: "16.2"
     resource_class: "macos.m1.medium.gen1"
     steps:
       - checkout
@@ -900,7 +900,7 @@ jobs:
 
   pypi-macos-release:
     macos:
-      xcode: "15.1"
+      xcode: "16.2"
     resource_class: "macos.m1.medium.gen1"
     steps:
       - install-rustup

CHANGELOG.md

@@ -2,6 +2,9 @@
 
 [Full changelog](https://github.com/mozilla/glean/compare/v65.1.1...main)
 
+* Swift
+  * Glean for iOS is now being built with Xcode 16.2 ([#3189](https://github.com/mozilla/glean/pull/3189))
+
 # v65.1.1 (2025-09-16)
 
 [Full changelog](https://github.com/mozilla/glean/compare/v65.1.0...v65.1.1)

bin/run-ios-build.sh

@@ -11,7 +11,7 @@ xcodebuild \
   -workspace ./glean-core/ios/Glean.xcodeproj/project.xcworkspace \
   -scheme Glean \
   -sdk iphonesimulator \
-  -destination 'platform=iOS Simulator,name=iPhone 15' \
+  -destination 'platform=iOS Simulator,name=iPhone 16' \
   build | \
 tee raw_xcodebuild.log | \
 xcpretty && exit "${PIPESTATUS[0]}"

bin/run-ios-sample-app-build.sh

@@ -11,7 +11,7 @@ xcodebuild \
   -workspace ./samples/ios/app/glean-sample-app.xcodeproj/project.xcworkspace \
   -scheme glean-sample-app \
   -sdk iphonesimulator \
-  -destination 'platform=iOS Simulator,name=iPhone 15' \
+  -destination 'platform=iOS Simulator,name=iPhone 16' \
   build | \
 tee raw_sample_xcodebuild.log | \
 xcpretty && exit "${PIPESTATUS[0]}"

bin/run-ios-sample-app-test.sh

@@ -11,7 +11,7 @@ xcodebuild \
   -workspace ./samples/ios/app/glean-sample-app.xcodeproj/project.xcworkspace \
   -scheme glean-sample-app \
   -sdk iphonesimulator \
-  -destination 'platform=iOS Simulator,name=iPhone 15' \
+  -destination 'platform=iOS Simulator,name=iPhone 16' \
   test | \
 tee raw_sample_xcodetest.log | \
 xcpretty && exit "${PIPESTATUS[0]}"

bin/run-ios-tests.sh

@@ -11,7 +11,7 @@ xcodebuild \
   -workspace ./glean-core/ios/Glean.xcodeproj/project.xcworkspace \
   -scheme Glean \
   -sdk iphonesimulator \
-  -destination 'platform=iOS Simulator,name=iPhone 15' \
+  -destination 'platform=iOS Simulator,name=iPhone 16' \
   test | \
 tee raw_xcodetest.log | \
 xcpretty && exit "${PIPESTATUS[0]}"

bin/update-xcode-version.sh

@@ -59,4 +59,5 @@ run rm "${WORKSPACE_ROOT}/${FILE}.bak"
 # Reminder to add a changelog entry
 run echo "Updated Xcode to version ${NEW_VERSION_MAJOR_MINOR}"
 run echo "Please add the following to the CHANGELOG.md under the unrelased section for iOS:"
-run echo "'* Glean for iOS is now being built with Xcode 15.1 ([<pull request #>](<pull request URL>))'"
+echo
+run echo "* Glean for iOS is now being built with Xcode ${NEW_VERSION} ([<pull request #>](<pull request URL>))'"

docs/dev/ios/setup-ios-build-environment.md

@@ -2,7 +2,7 @@
 
 ## Prepare your build environment
 
-1. Install Xcode 15.0 or higher.
+1. Install Xcode 16.2 or higher.
 2. Ensure you have Python 3 installed: `brew install python`
 3. Install linting and formatting tools: `brew install swiftlint`
 4. (Optional, only required for building on the CLI) Install [xcpretty](https://github.com/xcpretty/xcpretty): `gem install xcpretty`

samples/ios/app/README.md

@@ -9,7 +9,7 @@ Glean sends a [`baseline`][] ping when the app is sent to background.
 
 ## Build
 
-1. Install Xcode 15.0 or higher.
+1. Install Xcode 16.2 or higher.
 
 2. Install the latest [Xcode developer tools](https://developer.apple.com/xcode/downloads/) from Apple.