Update Xcode to 16 beta

.github/workflows/Test.yml

@@ -24,7 +24,7 @@ jobs:
         swiftlint
     - name: Unit Test
       env:
-        DEVELOPER_DIR: /Applications/Xcode_15.3.app
+        DEVELOPER_DIR: /Applications/Xcode_16.0-beta.app
       run: |
         set -o pipefail
         xcodebuild test -project CotEditor.xcodeproj -scheme CotEditor CODE_SIGN_IDENTITY="" CODE_SIGNING_REQUIRED=NO | xcpretty -c

CHANGELOG.md

@@ -14,6 +14,7 @@
 
 ### Improvements
 
+- Support __macOS 15 Sequoia__.
 - Change the system requirement to __macOS 14 Sonoma and later__.
 - Add “Select Column Up/Down“ commands to the Edit > Select menu.
 - Change the unit of character ranges handled in CotEditor Scripting for AppleScript from UTF-16 based to the Unicode grapheme cluster-based (This is to follow the specification change in AppleScript 2.0 introduced in Mac OS X 10.5).

CotEditor.xcodeproj/project.pbxproj

@@ -3,7 +3,7 @@
 	archiveVersion = 1;
 	classes = {
 	};
-	objectVersion = 63;
+	objectVersion = 73;
 	objects = {
 
 /* Begin PBXAggregateTarget section */
@@ -2586,7 +2586,6 @@
 				};
 			};
 			buildConfigurationList = 8C71D95708640EDF00C9C0BD /* Build configuration list for PBXProject "CotEditor" */;
-			compatibilityVersion = "Xcode 15.3";
 			developmentRegion = en;
 			hasScannedForEncodings = 1;
 			knownRegions = (
@@ -2611,6 +2610,7 @@
 				2AA2C6FA24399A920017D1EC /* XCRemoteSwiftPackageReference "Yams" */,
 				2AAAE6E326DB82F800C5F0AC /* XCRemoteSwiftPackageReference "Sparkle" */,
 			);
+			preferredProjectObjectVersion = 73;
 			projectDirPath = "";
 			projectRoot = "";
 			targets = (

README.md

@@ -19,7 +19,7 @@ CotEditor is a purely macOS native application written in Swift. It adopts Cocoa
 ### Development Environment
 
 - macOS 14 Sonoma
-- Xcode 15.4
+- Xcode 16 Beta
 - Swift 5.10
 - Sandbox enabled