Release 0.50.0

.github/workflows/auto-close-pr.yml

@@ -15,6 +15,7 @@ jobs:
           "At the moment we are not accepting contributions to the repository.
 
           Feedback for GitHub Copilot for Xcode can be given in the [Copilot community discussions](https://github.com/github/CopilotForXcode/discussions)."
+        if: ${{ !(startsWith(github.head_ref, 'release/') && github.event.pull_request.head.repo.full_name == github.repository) }}
         env:
           GH_REPO: ${{ github.repository }}
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/auto-create-release-pr.yml

@@ -0,0 +1,72 @@
+name: Auto-create Release PR
+
+on:
+  push:
+    branches:
+      - 'release/**'
+
+jobs:
+  create-pr:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      pull-requests: write
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Create pull request
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          existing_pr_count="$(gh pr list \
+            --state open \
+            --base main \
+            --head "${{ github.ref_name }}" \
+            --json number \
+            --jq 'length')"
+          if [ "${existing_pr_count}" -gt 0 ]; then
+            echo "Open pull request already exists for branch '${{ github.ref_name }}' into 'main'; skipping creation."
+          else
+            gh pr create \
+              --title "$(git log -1 --pretty=%s)" \
+              --body "Automated release PR." \
+              --base main \
+              --head "${{ github.ref_name }}"
+          fi
+
+      - name: Approve pull request
+        env:
+          # PAT stored in github/CopilotForXcode, with write permissions to pull requests
+          GH_TOKEN: ${{ secrets.XCODE_AUTO_APPROVE }}
+        run: |
+          gh pr review --approve "${{ github.ref_name }}"
+
+      - name: Wait for required checks
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          for i in $(seq 1 60); do
+            other_checks=$(gh pr checks "${{ github.ref_name }}" | grep -v "create-pr" || true)
+            if echo "$other_checks" | grep -wq "fail"; then
+              echo "Required checks failed."
+              exit 1
+            fi
+            if [ -z "$other_checks" ]; then
+              echo "No other checks found yet, waiting..."
+            elif ! echo "$other_checks" | grep -wq "pending"; then
+              echo "All required checks passed."
+              exit 0
+            fi
+            echo "Waiting for checks..."
+            sleep 10
+          done
+          echo "Timed out waiting for required checks."
+          exit 1
+
+      - name: Merge pull request
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          gh pr merge "${{ github.ref_name }}" \
+            --merge \
+            --delete-branch

.github/workflows/codeql.yml

@@ -27,6 +27,10 @@ jobs:
       fail-fast: false
       matrix:
         include:
+        - language: actions
+          build-mode: none
+        - language: javascript-typescript
+          build-mode: none
         - language: python
           build-mode: none
         - language: swift
@@ -37,7 +41,7 @@ jobs:
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
-      uses: github/codeql-action/init@v3
+      uses: github/codeql-action/init@v4
       with:
         languages: ${{ matrix.language }}
         build-mode: ${{ matrix.build-mode }}
@@ -66,6 +70,6 @@ jobs:
           CODE_SIGNING_ALLOWED="NO"
 
     - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v3
+      uses: github/codeql-action/analyze@v4
       with:
         category: "/language:${{matrix.language}}"

CHANGELOG.md

@@ -5,6 +5,39 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## 0.50.0 - May 20, 2026
+### Added
+- Reasoning effort control for supported models: Low, Medium, or High from the model picker to balance response speed and quality.
+- Added internal support for upcoming usage-based billing, including billing updates for the usage panel, usage notifications, and model picker. This will be visible to the user once usage-based billing rolls out.
+
+### Changed
+- Bring Your Own Key (BYOK) is now generally available.
+
+## 0.49.0 - May 15, 2026
+### Added
+- Native Anthropic Messages API (`/v1/messages`) endpoint support.
+- Thinking support in chat for reasoning-capable models.
+- Enhanced rate limit notifications and error messages.
+
+### Changed
+- Refined tool call item UI in agent progress: removed border and divider, repositioned chevron, and adjusted spacing for better readability.
+- Updated Copilot language server to 1.465.5.
+
+## 0.48.0 - April 23, 2026
+### Added
+- Context window usage details in chat, including a token breakdown for system instructions, messages, attached files, and tool results.
+- Auto Compress setting to compact conversation history and save context tokens.
+- Install flow for Xcode's built-in MCP server from settings.
+
+### Changed
+- Custom agents and the Auto model are now generally available.
+- Removed support for macOS 12.
+- Improved UI for model picker tooltips.
+
+### Fixed
+- Fixed an issue where GPT-5.4 requests could return a 400 error.
+- Fixed an issue where the MCP allowlist did not work correctly.
+
 ## 0.47.0 - February 4, 2026
 ### Added
 - Auto approval for MCP tools, sensitive files, and terminal commands.

CommunicationBridge/ServiceDelegate.swift

@@ -175,7 +175,7 @@ actor ExtensionServiceLauncher {
                                     return configuration
                                 }()
                             ) { app, error in
-                                if let error = error {
+                                if error != nil {
                                     continuation.resume(returning: nil)
                                 } else {
                                     continuation.resume(returning: app)

Copilot for Xcode.xcodeproj/project.pbxproj

@@ -845,7 +845,7 @@
 					"@executable_path/../Frameworks",
 					"@executable_path/../../../../Frameworks",
 				);
-				MACOSX_DEPLOYMENT_TARGET = 12.0;
+				MACOSX_DEPLOYMENT_TARGET = 13.0;
 				MARKETING_VERSION = "$(APP_VERSION)";
 				PRODUCT_BUNDLE_IDENTIFIER = "$(BUNDLE_IDENTIFIER_BASE).EditorExtension";
 				PRODUCT_NAME = Copilot;
@@ -874,7 +874,7 @@
 					"@executable_path/../Frameworks",
 					"@executable_path/../../../../Frameworks",
 				);
-				MACOSX_DEPLOYMENT_TARGET = 12.0;
+				MACOSX_DEPLOYMENT_TARGET = 13.0;
 				MARKETING_VERSION = "$(APP_VERSION)";
 				PRODUCT_BUNDLE_IDENTIFIER = "$(BUNDLE_IDENTIFIER_BASE).EditorExtension";
 				PRODUCT_NAME = Copilot;
@@ -936,7 +936,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 12.0;
+				MACOSX_DEPLOYMENT_TARGET = 13.0;
 				MTL_ENABLE_DEBUG_INFO = INCLUDE_SOURCE;
 				MTL_FAST_MATH = YES;
 				ONLY_ACTIVE_ARCH = YES;
@@ -991,7 +991,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 12.0;
+				MACOSX_DEPLOYMENT_TARGET = 13.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				MTL_FAST_MATH = YES;
 				SDKROOT = macosx;
@@ -1022,7 +1022,7 @@
 					"$(inherited)",
 					"@executable_path/../Frameworks",
 				);
-				MACOSX_DEPLOYMENT_TARGET = 12.0;
+				MACOSX_DEPLOYMENT_TARGET = 13.0;
 				MARKETING_VERSION = "$(APP_VERSION)";
 				PRODUCT_BUNDLE_IDENTIFIER = "$(BUNDLE_IDENTIFIER_BASE)";
 				PRODUCT_MODULE_NAME = Copilot_for_Xcode;
@@ -1056,7 +1056,7 @@
 					"$(inherited)",
 					"@executable_path/../Frameworks",
 				);
-				MACOSX_DEPLOYMENT_TARGET = 12.0;
+				MACOSX_DEPLOYMENT_TARGET = 13.0;
 				MARKETING_VERSION = "$(APP_VERSION)";
 				PRODUCT_BUNDLE_IDENTIFIER = "$(BUNDLE_IDENTIFIER_BASE)";
 				PRODUCT_NAME = "$(HOST_APP_NAME)";
@@ -1072,7 +1072,7 @@
 				CODE_SIGN_STYLE = Automatic;
 				DEVELOPMENT_TEAM = VEKTX9H2N7;
 				ENABLE_HARDENED_RUNTIME = YES;
-				MACOSX_DEPLOYMENT_TARGET = 12.0;
+				MACOSX_DEPLOYMENT_TARGET = 13.0;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = YES;
 				SWIFT_VERSION = 5.0;
@@ -1087,7 +1087,7 @@
 				DEVELOPMENT_TEAM = "";
 				"DEVELOPMENT_TEAM[sdk=macosx*]" = VEKTX9H2N7;
 				ENABLE_HARDENED_RUNTIME = YES;
-				MACOSX_DEPLOYMENT_TARGET = 12.0;
+				MACOSX_DEPLOYMENT_TARGET = 13.0;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE_SPECIFIER = "";
 				SKIP_INSTALL = YES;
@@ -1117,7 +1117,7 @@
 					"$(inherited)",
 					"@executable_path/../Frameworks",
 				);
-				MACOSX_DEPLOYMENT_TARGET = 12.0;
+				MACOSX_DEPLOYMENT_TARGET = 13.0;
 				MARKETING_VERSION = "$(APP_VERSION)";
 				PRODUCT_BUNDLE_IDENTIFIER = "$(BUNDLE_IDENTIFIER_BASE).ExtensionService";
 				PRODUCT_NAME = "$(EXTENSION_SERVICE_NAME)";
@@ -1151,7 +1151,7 @@
 					"$(inherited)",
 					"@executable_path/../Frameworks",
 				);
-				MACOSX_DEPLOYMENT_TARGET = 12.0;
+				MACOSX_DEPLOYMENT_TARGET = 13.0;
 				MARKETING_VERSION = "$(APP_VERSION)";
 				PRODUCT_BUNDLE_IDENTIFIER = "$(BUNDLE_IDENTIFIER_BASE).ExtensionService";
 				PRODUCT_NAME = "$(EXTENSION_SERVICE_NAME)";
@@ -1172,7 +1172,7 @@
 				ENABLE_USER_SCRIPT_SANDBOXING = YES;
 				GCC_C_LANGUAGE_STANDARD = gnu17;
 				LOCALIZATION_PREFERS_STRING_CATALOGS = YES;
-				MACOSX_DEPLOYMENT_TARGET = 12.0;
+				MACOSX_DEPLOYMENT_TARGET = 13.0;
 				PRODUCT_BUNDLE_IDENTIFIER = "$(BUNDLE_IDENTIFIER_BASE).CommunicationBridge";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = YES;
@@ -1193,7 +1193,7 @@
 				ENABLE_USER_SCRIPT_SANDBOXING = YES;
 				GCC_C_LANGUAGE_STANDARD = gnu17;
 				LOCALIZATION_PREFERS_STRING_CATALOGS = YES;
-				MACOSX_DEPLOYMENT_TARGET = 12.0;
+				MACOSX_DEPLOYMENT_TARGET = 13.0;
 				PRODUCT_BUNDLE_IDENTIFIER = "$(BUNDLE_IDENTIFIER_BASE).CommunicationBridge";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE_SPECIFIER = "";

Copilot for Xcode/App.swift

@@ -26,19 +26,15 @@ class AppDelegate: NSObject, NSApplicationDelegate {
     }
 
     func applicationDidFinishLaunching(_ notification: Notification) {
-        if #available(macOS 13.0, *) {
-            checkBackgroundPermissions()
-        }
-
+        checkBackgroundPermissions()
+
         let launchMode = determineLaunchMode()
         handleLaunchMode(launchMode)
     }
 
     func applicationShouldHandleReopen(_ sender: NSApplication, hasVisibleWindows flag: Bool) -> Bool {
-        if #available(macOS 13.0, *) {
-            checkBackgroundPermissions()
-        }
-
+        checkBackgroundPermissions()
+
         let launchMode = determineLaunchMode()
         handleLaunchMode(launchMode)
         return true
@@ -113,7 +109,6 @@ class AppDelegate: NSObject, NSApplicationDelegate {
         }
     }
 
-    @available(macOS 13.0, *)
     private func checkBackgroundPermissions() {
         Task {
             // Direct check of permission status
@@ -122,15 +117,17 @@ class AppDelegate: NSObject, NSApplicationDelegate {
 
             if !isPermissionGranted {
                 // Only show alert if permission isn't granted
-                DispatchQueue.main.async {
+                await MainActor.run {
                     if !self.permissionAlertShown {
                         showBackgroundPermissionAlert()
                         self.permissionAlertShown = true
                     }
                 }
             } else {
                 // Permission is granted, reset flag
-                self.permissionAlertShown = false
+                await MainActor.run {
+                    self.permissionAlertShown = false
+                }
             }
         }
     }
@@ -147,7 +144,7 @@ class AppDelegate: NSObject, NSApplicationDelegate {
 
         // Start cleanup in background without waiting
         Task {
-            let quitTask = Task {
+            _ = Task {
                 let service = try? getService()
                 try? await service?.quitService()
             }
@@ -272,10 +269,8 @@ func activateAndOpenSettings() {
     if #available(macOS 14.0, *) {
         let environment = SettingsEnvironment()
         environment.open()
-    } else if #available(macOS 13.0, *) {
-        NSApp.sendAction(Selector(("showSettingsWindow:")), to: nil, from: nil)
     } else {
-        NSApp.sendAction(Selector(("showPreferencesWindow:")), to: nil, from: nil)
+        NSApp.sendAction(Selector(("showSettingsWindow:")), to: nil, from: nil)
     }
 }
 

Core/Package.swift

@@ -8,7 +8,7 @@ import PackageDescription
 
 let package = Package(
     name: "Core",
-    platforms: [.macOS(.v12)],
+    platforms: [.macOS(.v13)],
     products: [
         .library(
             name: "Service",
@@ -75,6 +75,7 @@ let package = Package(
             dependencies: [
                 "SuggestionWidget",
                 "SuggestionService",
+                "SuggestionInjector",
                 "ChatService",
                 "PromptToCodeService",
                 "ConversationTab",
@@ -123,6 +124,7 @@ let package = Package(
                     "Client",
                     "LaunchAgentManager",
                     "GitHubCopilotViewModel",
+                    "UpdateChecker",
                     .product(name: "SuggestionProvider", package: "Tool"),
                     .product(name: "Toast", package: "Tool"),
                     .product(name: "SharedUIComponents", package: "Tool"),
@@ -202,6 +204,7 @@ let package = Package(
                 name: "ConversationTab",
                 dependencies: [
                     "ChatService",
+                    "GitHubCopilotViewModel",
                     .product(name: "SharedUIComponents", package: "Tool"),
                     .product(name: "ChatAPIService", package: "Tool"),
                     .product(name: "Logger", package: "Tool"),
@@ -225,6 +228,7 @@ let package = Package(
                     "ConversationTab",
                     "GitHubCopilotViewModel",
                     "PersistMiddleware",
+                    .product(name: "CGEventOverride", package: "CGEventOverride"),
                     .product(name: "GitHubCopilotService", package: "Tool"),
                     .product(name: "Toast", package: "Tool"),
                     .product(name: "UserDefaultsObserver", package: "Tool"),
@@ -265,6 +269,7 @@ let package = Package(
                 .product(name: "GitHubCopilotService", package: "Tool"),
                 .product(name: "ComposableArchitecture", package: "swift-composable-architecture"),
                 .product(name: "Status", package: "Tool"),
+                .product(name: "Logger", package: "Tool"),
             ]
         ),