MarkEdit-app · cyanzhong · Jun 12, 2026 · Jun 12, 2026 · Jun 21, 2026 · Jul 22, 2026
diff --git a/.github/workflows/build-and-test.yml b/.github/workflows/build-and-test.yml
@@ -10,11 +10,11 @@ on:
 jobs:
   markedit-mac:
     name: MarkEditMac
-    runs-on: macos-26
+    runs-on: macos-27
     if: github.event.pull_request.draft == false
     env:
       node-version: '22.x'
-      DEVELOPER_DIR: /Applications/Xcode_26.5.app/Contents/Developer
+      DEVELOPER_DIR: /Applications/Xcode_27.0.app/Contents/Developer
 
     defaults:
       run:

diff --git a/MarkEdit.xcodeproj/project.pbxproj b/MarkEdit.xcodeproj/project.pbxproj
@@ -1077,7 +1077,7 @@
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
 				LOCALIZATION_PREFERS_STRING_CATALOGS = YES;
-				MACOSX_DEPLOYMENT_TARGET = 15.0;
+				MACOSX_DEPLOYMENT_TARGET = 26.0;
 				MTL_ENABLE_DEBUG_INFO = INCLUDE_SOURCE;
 				MTL_FAST_MATH = YES;
 				ONLY_ACTIVE_ARCH = YES;
@@ -1143,7 +1143,7 @@
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
 				LOCALIZATION_PREFERS_STRING_CATALOGS = YES;
-				MACOSX_DEPLOYMENT_TARGET = 15.0;
+				MACOSX_DEPLOYMENT_TARGET = 26.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				MTL_FAST_MATH = YES;
 				SDKROOT = macosx;
@@ -1182,7 +1182,7 @@
 					"$(inherited)",
 					"@executable_path/../Frameworks",
 				);
-				MACOSX_DEPLOYMENT_TARGET = 15.0;
+				MACOSX_DEPLOYMENT_TARGET = 26.0;
 				MARKETING_VERSION = "$(inherited)";
 				PRODUCT_BUNDLE_IDENTIFIER = "$(inherited)";
 				PRODUCT_NAME = MarkEdit;
@@ -1219,7 +1219,7 @@
 					"$(inherited)",
 					"@executable_path/../Frameworks",
 				);
-				MACOSX_DEPLOYMENT_TARGET = 15.0;
+				MACOSX_DEPLOYMENT_TARGET = 26.0;
 				MARKETING_VERSION = "$(inherited)";
 				PRODUCT_BUNDLE_IDENTIFIER = "$(inherited)";
 				PRODUCT_NAME = MarkEdit;
@@ -1261,7 +1261,7 @@
 					"@executable_path/../Frameworks",
 					"@executable_path/../../../../Frameworks",
 				);
-				MACOSX_DEPLOYMENT_TARGET = 15.0;
+				MACOSX_DEPLOYMENT_TARGET = 26.0;
 				MARKETING_VERSION = "$(inherited)";
 				PRODUCT_BUNDLE_IDENTIFIER = "$(inherited).finder-extension";
 				PRODUCT_NAME = "$(TARGET_NAME)";
@@ -1307,7 +1307,7 @@
 					"@executable_path/../Frameworks",
 					"@executable_path/../../../../Frameworks",
 				);
-				MACOSX_DEPLOYMENT_TARGET = 15.0;
+				MACOSX_DEPLOYMENT_TARGET = 26.0;
 				MARKETING_VERSION = "$(inherited)";
 				PRODUCT_BUNDLE_IDENTIFIER = "$(inherited).finder-extension";
 				PRODUCT_NAME = "$(TARGET_NAME)";
@@ -1340,7 +1340,7 @@
 					"@executable_path/../Frameworks",
 					"@executable_path/../../../../Frameworks",
 				);
-				MACOSX_DEPLOYMENT_TARGET = 15.0;
+				MACOSX_DEPLOYMENT_TARGET = 26.0;
 				MARKETING_VERSION = "$(inherited)";
 				PRODUCT_BUNDLE_IDENTIFIER = "$(inherited).preview-extension";
 				PRODUCT_NAME = "$(TARGET_NAME)";
@@ -1371,7 +1371,7 @@
 					"@executable_path/../Frameworks",
 					"@executable_path/../../../../Frameworks",
 				);
-				MACOSX_DEPLOYMENT_TARGET = 15.0;
+				MACOSX_DEPLOYMENT_TARGET = 26.0;
 				MARKETING_VERSION = "$(inherited)";
 				PRODUCT_BUNDLE_IDENTIFIER = "$(inherited).preview-extension";
 				PRODUCT_NAME = "$(TARGET_NAME)";

diff --git a/MarkEditCore/Package.swift b/MarkEditCore/Package.swift
@@ -1,13 +1,13 @@
-// swift-tools-version: 6.0
+// swift-tools-version: 6.2
 // The swift-tools-version declares the minimum version of Swift required to build this package.
 
 import PackageDescription
 
 let package = Package(
   name: "MarkEditCore",
   platforms: [
-    .iOS(.v18),
-    .macOS(.v15),
+    .iOS(.v26),
+    .macOS(.v26),
   ],
   products: [
     .library(

diff --git a/MarkEditKit/Package.swift b/MarkEditKit/Package.swift
@@ -1,13 +1,13 @@
-// swift-tools-version: 6.0
+// swift-tools-version: 6.2
 // The swift-tools-version declares the minimum version of Swift required to build this package.
 
 import PackageDescription
 
 let package = Package(
   name: "MarkEditKit",
   platforms: [
-    .iOS(.v18),
-    .macOS(.v15),
+    .iOS(.v26),
+    .macOS(.v26),
   ],
   products: [
     .library(

diff --git a/MarkEditKit/Sources/Bridge/Native/Modules/EditorModuleFoundationModels.swift b/MarkEditKit/Sources/Bridge/Native/Modules/EditorModuleFoundationModels.swift
@@ -26,7 +26,7 @@ public final class EditorModuleFoundationModels: NativeModuleFoundationModels {
 
   public func availability(modelName: String) async -> String {
   #if canImport(FoundationModels, _version: 2)
-    if #available(macOS 27.0, *) {
+    if #available(anyAppleOS 27.0, *) {
       return availability(of: languageModel(named: modelName)).jsonEncoded
     }
   #endif
@@ -35,15 +35,11 @@ public final class EditorModuleFoundationModels: NativeModuleFoundationModels {
   }
 
   public func createSession(modelName: String, instructions: String?) async -> String? {
-    guard #available(macOS 26.0, *) else {
-      return nil
-    }
-
     let identifier = UUID().uuidString
     let session: LanguageModelSession
 
   #if canImport(FoundationModels, _version: 2)
-    if #available(macOS 27.0, *) {
+    if #available(anyAppleOS 27.0, *) {
       session = LanguageModelSession(
         model: languageModel(named: modelName),
         instructions: instructions
@@ -60,7 +56,7 @@ public final class EditorModuleFoundationModels: NativeModuleFoundationModels {
   }
 
   public func isResponding(sessionID: String?) async -> Bool {
-    guard #available(macOS 26.0, *), let session = session(with: sessionID) else {
+    guard let session = session(with: sessionID) else {
       return false
     }
 
@@ -80,7 +76,7 @@ public final class EditorModuleFoundationModels: NativeModuleFoundationModels {
       ).jsonEncoded
     }
 
-    guard #available(macOS 26.0, *), let session = session(with: sessionID) else {
+    guard let session = session(with: sessionID) else {
       return encode(nil, "Model Unavailable", true)
     }
 
@@ -122,7 +118,7 @@ public final class EditorModuleFoundationModels: NativeModuleFoundationModels {
       }
     }
 
-    guard #available(macOS 26.0, *), let session = session(with: sessionID) else {
+    guard let session = session(with: sessionID) else {
       return didReceive(nil, "Model Unavailable", true)
     }
 
@@ -148,10 +144,6 @@ public final class EditorModuleFoundationModels: NativeModuleFoundationModels {
   // MARK: - Private
 
   private var defaultModelAvailability: LanguageModelAvailability {
-    guard #available(macOS 26.0, *) else {
-      return LanguageModelAvailability(isAvailable: false, unavailableReason: "Unsupported OS Version")
-    }
-
     switch SystemLanguageModel.default.availability {
     case .available:
       return LanguageModelAvailability(isAvailable: true, unavailableReason: nil)
@@ -166,12 +158,10 @@ public final class EditorModuleFoundationModels: NativeModuleFoundationModels {
     }
   }
 
-  // [macOS 26] Change the value type to LanguageModelSession
-  private var sessionPool = [String: AnyObject]()
+  private var sessionPool = [String: LanguageModelSession]()
 
-  @available(macOS 26.0, *)
   private func session(with sessionID: String?) -> LanguageModelSession? {
-    guard let sessionID, let session = (sessionPool[sessionID] as? LanguageModelSession) else {
+    guard let sessionID, let session = sessionPool[sessionID] else {
       return nil
     }
 
@@ -183,7 +173,7 @@ public final class EditorModuleFoundationModels: NativeModuleFoundationModels {
 
 #if canImport(FoundationModels, _version: 2)
 
-@available(macOS 27.0, *)
+@available(anyAppleOS 27.0, *)
 private extension EditorModuleFoundationModels {
   func languageModel(named modelName: String) -> any LanguageModel {
     switch modelName {
@@ -212,7 +202,6 @@ private extension EditorModuleFoundationModels {
 
 #endif
 
-@available(macOS 26.0, *)
 private extension GenerationOptions {
   init(_ options: LanguageModelGenerationOptions?) {
   #if canImport(FoundationModels, _version: 2)
@@ -231,7 +220,6 @@ private extension GenerationOptions {
   }
 }
 
-@available(macOS 26.0, *)
 private extension GenerationOptions.SamplingMode {
   init?(_ sampling: LanguageModelSampling?) {
     if sampling?.greedy == true {

diff --git a/MarkEditKit/Sources/Bridge/Native/Modules/EditorModuleTranslation.swift b/MarkEditKit/Sources/Bridge/Native/Modules/EditorModuleTranslation.swift
@@ -13,10 +13,6 @@ public final class EditorModuleTranslation: NativeModuleTranslation {
   public init() {}
 
   public func translate(text: String, from: String?, to: String?) async -> String {
-    guard #available(macOS 26.0, *) else {
-      return TranslationResponse(error: "Unsupported OS Version").jsonEncoded
-    }
-
     do {
       let from = from ?? NLLanguageRecognizer.dominantLanguage(for: text)?.rawValue ?? "en-US"
       let session = TranslationSession(from: from, to: to)
@@ -41,7 +37,6 @@ private struct TranslationResponse: Encodable {
   }
 }
 
-@available(macOS 26.0, *)
 private extension TranslationSession {
   convenience init(from: String, to: String?) {
     self.init(

diff --git a/MarkEditMac/Modules/Package.swift b/MarkEditMac/Modules/Package.swift
@@ -1,12 +1,12 @@
-// swift-tools-version: 6.0
+// swift-tools-version: 6.2
 // The swift-tools-version declares the minimum version of Swift required to build this package.
 
 import PackageDescription
 
 let package = Package(
   name: "Modules",
   platforms: [
-    .macOS(.v15),
+    .macOS(.v26),
   ],
   products: [
     .library(

diff --git a/MarkEditMac/Modules/Sources/AppKitExtensions/Foundation/NSPasteboard+Extension.swift b/MarkEditMac/Modules/Sources/AppKitExtensions/Foundation/NSPasteboard+Extension.swift
@@ -38,14 +38,6 @@ public extension NSPasteboard {
   }
 
   func url() async -> String? {
-    guard #available(macOS 15.4, *) else {
-      guard let string else {
-        return string(forType: .URL)
-      }
-
-      return NSDataDetector.extractURL(from: string)
-    }
-
     // This alerts the user only when the pasteboard really contains links
     let values = try? await Self.general.detectedValues(for: [\.links])
     return values?.links.first?.url.absoluteString

diff --git a/MarkEditMac/Modules/Sources/AppKitExtensions/UI/NSColor+Extension.swift b/MarkEditMac/Modules/Sources/AppKitExtensions/UI/NSColor+Extension.swift
@@ -13,25 +13,13 @@ public extension NSColor {
     .theme(light: NSColor(white: 0, alpha: 0.3), dark: NSColor(white: 1, alpha: 0.3))
   }
 
-  static var plainButtonHighlighted: NSColor {
-    .theme(light: NSColor(white: 0, alpha: 0.1), dark: NSColor(white: 1, alpha: 0.1))
-  }
-
   static var pushButtonBackground: NSColor {
     .theme(light: .white, dark: NSColor(hexCode: 0x565a61))
   }
 
   static var modernButtonBackground: NSColor {
     .theme(light: NSColor(white: 0, alpha: 0.08), dark: NSColor(white: 1, alpha: 0.066))
   }
-
-  static var finderContentBackground: NSColor {
-    if #available(macOS 26.0, *) {
-      return .windowBackgroundColor
-    }
-
-    return .theme(light: .white, dark: .windowBackgroundColor)
-  }
 }
 
 // MARK: - Convenience Methods

diff --git a/MarkEditMac/Modules/Sources/FileVersion/FileVersionPicker.swift b/MarkEditMac/Modules/Sources/FileVersion/FileVersionPicker.swift
@@ -18,7 +18,6 @@ public protocol FileVersionPickerDelegate: AnyObject {
  A custom file version picker to replace Time Machine due to its performance issues.
  */
 public final class FileVersionPicker: NSViewController {
-  private let modernStyle: Bool
   private let fileURL: URL
   private let currentText: String
   private let localizable: FileVersionLocalizable
@@ -94,7 +93,6 @@ public final class FileVersionPicker: NSViewController {
   }()
 
   private lazy var navigateButtons = RoundedNavigateButtons(
-    modernStyle: modernStyle,
     leftAction: { [weak self] in
       self?.goBack()
     },
@@ -127,14 +125,12 @@ public final class FileVersionPicker: NSViewController {
   private weak var delegate: FileVersionPickerDelegate?
 
   public init(
-    modernStyle: Bool,
     fileURL: URL,
     currentText: String,
     localVersions: [NSFileVersion],
     localizable: FileVersionLocalizable,
     delegate: FileVersionPickerDelegate
   ) {
-    self.modernStyle = modernStyle
     self.fileURL = fileURL
     self.currentText = currentText
     self.allVersions = localVersions
@@ -280,7 +276,7 @@ private extension FileVersionPicker {
       navigateButtons.trailingAnchor.constraint(equalTo: topGuide.trailingAnchor, constant: -Constants.layoutPadding),
       navigateButtons.centerYAnchor.constraint(equalTo: topGuide.centerYAnchor),
       navigateButtons.widthAnchor.constraint(equalToConstant: navigateButtons.frame.width),
-      navigateButtons.heightAnchor.constraint(equalTo: versionMenuButton.heightAnchor, constant: modernStyle ? 0 : -2),
+      navigateButtons.heightAnchor.constraint(equalTo: versionMenuButton.heightAnchor),
 
       modeMenuButton.trailingAnchor.constraint(equalTo: navigateButtons.leadingAnchor, constant: -Constants.layoutPadding),
       modeMenuButton.centerYAnchor.constraint(equalTo: topGuide.centerYAnchor),

diff --git a/MarkEditMac/Modules/Sources/FontPicker/FontPicker.swift b/MarkEditMac/Modules/Sources/FontPicker/FontPicker.swift
@@ -196,7 +196,7 @@ private extension FontPicker {
       )
     }
 
-    let location = CGPoint(x: configuration.modernStyle ? -4 : 0, y: sourceView.frame.height - 10)
+    let location = CGPoint(x: -4, y: sourceView.frame.height - 10)
     menu.popUp(positioning: nil, at: location, in: sourceView)
   }
 }

diff --git a/MarkEditMac/Modules/Sources/FontPicker/FontPickerConfiguration.swift b/MarkEditMac/Modules/Sources/FontPicker/FontPickerConfiguration.swift
@@ -8,7 +8,6 @@ import AppKit
 import CoreText
 
 public struct FontPickerConfiguration {
-  let modernStyle: Bool
   let selectedFontStyle: FontStyle
   let selectedFontSize: Double
   let selectButtonTitle: String
@@ -21,7 +20,6 @@ public struct FontPickerConfiguration {
   let serifFontName: String
 
   public init(
-    modernStyle: Bool,
     selectedFontStyle: FontStyle,
     selectedFontSize: Double,
     selectButtonTitle: String,
@@ -33,7 +31,6 @@ public struct FontPickerConfiguration {
     roundedFontName: String,
     serifFontName: String
   ) {
-    self.modernStyle = modernStyle
     self.selectedFontStyle = selectedFontStyle
     self.selectedFontSize = selectedFontSize
     self.selectButtonTitle = selectButtonTitle

diff --git a/MarkEditMac/Modules/Sources/SettingsUI/Extensions/View+Extension.swift b/MarkEditMac/Modules/Sources/SettingsUI/Extensions/View+Extension.swift
@@ -38,12 +38,8 @@ public extension View {
   }
 
   func formBreathingInset() -> some View {
-    if #available(macOS 26.0, *) {
-      // For unknown reasons, this is required to prevent extreme tight spacing
-      return padding(.top, .ulpOfOne)
-    }
-
-    return self
+    // For unknown reasons, this is required to prevent extreme tight spacing
+    padding(.top, .ulpOfOne)
   }
 }
 
@@ -61,10 +57,6 @@ private extension HorizontalAlignment {
 
 private struct FlexibleButtonSize: ViewModifier {
   func body(content: Content) -> some View {
-    if #available(macOS 26.0, *) {
-      content.buttonSizing(.flexible)
-    } else {
-      content
-    }
+    content.buttonSizing(.flexible)
   }
 }
-Original file line number
+Diff line change
@@ Expand Up / @@ -196,7 +196,7 @@ private extension FontPicker { @@
           )
         }
-        let location = CGPoint(x: configuration.modernStyle ? -4 : 0, y: sourceView.frame.height - 10)
+        let location = CGPoint(x: -4, y: sourceView.frame.height - 10)
         menu.popUp(positioning: nil, at: location, in: sourceView)
       }
     }
@@ Expand Down @@