CI: Use Xcode 26.2 for building and testing Glean

.circleci/config.yml

@@ -516,7 +516,7 @@ jobs:
 
   Check Swift formatting:
     macos:
-      xcode: "16.4"
+      xcode: "26.2"
     resource_class: "m4pro.medium"
     steps:
       - checkout
@@ -534,7 +534,7 @@ jobs:
 
   iOS build and test:
     macos:
-      xcode: "16.4"
+      xcode: "26.2"
     resource_class: "m4pro.medium"
     steps:
       - checkout
@@ -548,16 +548,16 @@ jobs:
       - setup-rust-toolchain
       - restore_cache:
           name: Restore rubygems cache
-          key: swift-docs-gems-v22
+          key: swift-docs-gems-v23
       - 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-v22
+          key: swift-docs-gems-v23
           paths:
-            - ~/.rbenv/versions/3.4.3/lib/ruby/gems/3.4.0
+            - ~/.rbenv/versions/3.4.7/lib/ruby/gems/3.4.0
       - run:
           name: Setup build environment
           command: |
@@ -573,7 +573,7 @@ jobs:
             DEVICES=$(xcrun xctrace list devices 2>&1)
             echo "$DEVICES"
             # Pick a device and start it
-            UUID=$(echo "$DEVICES" | grep --max-count=1 'iPhone 16 Simulator (18' | awk -F'[()]' '{print $4}')
+            UUID=$(echo "$DEVICES" | grep --max-count=1 'iPhone 17 Simulator (26' | awk -F'[()]' '{print $4}')
             xcrun simctl boot "$UUID"
             # Store build type for use in cache key
             if [ -z "${CIRCLE_TAG}" ]; then
@@ -635,7 +635,7 @@ jobs:
 
   iOS integration test:
     macos:
-      xcode: "16.4"
+      xcode: "26.2"
     resource_class: "m4pro.medium"
     steps:
       - checkout
@@ -657,7 +657,7 @@ jobs:
             DEVICES=$(xcrun xctrace list devices 2>&1)
             echo "$DEVICES"
             # Pick a device and start it
-            UUID=$(echo "$DEVICES" | grep --max-count=1 'iPhone 16 Simulator (18' | awk -F'[()]' '{print $4}')
+            UUID=$(echo "$DEVICES" | grep --max-count=1 'iPhone 17 Simulator (26' | awk -F'[()]' '{print $4}')
             xcrun simctl boot "$UUID"
       - run:
           name: Build XCFramework archive
@@ -680,7 +680,7 @@ jobs:
 
   iOS Framework release:
     macos:
-      xcode: "16.4"
+      xcode: "26.2"
     resource_class: "m4pro.medium"
     steps:
       - checkout
@@ -923,7 +923,7 @@ jobs:
 
   pypi-macos-release:
     macos:
-      xcode: "16.4"
+      xcode: "26.2"
     resource_class: "m4pro.medium"
     steps:
       - install-rustup

CHANGELOG.md

@@ -7,6 +7,8 @@
   * Tiny performance improvement for putting tasks on the dispatcher ([#3318](https://github.com/mozilla/glean/pull/3318))
   * Instrument the case when the `client_id.txt` file does not exist yet ([#3339](https://github.com/mozilla/glean/pull/3339))
   * When a missing client ID in the database is detected, Glean now restores the backup client ID ([#3334](https://github.com/mozilla/glean/pull/3334))
+* iOS
+  * Glean for iOS is now being built with Xcode 26.2 ([#3350](https://github.com/mozilla/glean/pull/3350))
 
 # v66.1.2 (2025-11-25)
 

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 16' \
+  -destination 'platform=iOS Simulator,name=iPhone 17' \
   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 16' \
+  -destination 'platform=iOS Simulator,name=iPhone 17' \
   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 16' \
+  -destination 'platform=iOS Simulator,name=iPhone 17' \
   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 16' \
+  -destination 'platform=iOS Simulator,name=iPhone 17' \
   test | \
 tee raw_xcodetest.log | \
 xcpretty && exit "${PIPESTATUS[0]}"

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

@@ -2,7 +2,7 @@
 
 ## Prepare your build environment
 
-1. Install Xcode 16.4 or higher.
+1. Install Xcode 26.2 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 16.4 or higher.
+1. Install Xcode 26.2 or higher.
 
 2. Install the latest [Xcode developer tools](https://developer.apple.com/xcode/downloads/) from Apple.