Get app_version from build.zig.zon .version (#9101)

Reads .version from build.zig.zon and passes it to Config.

.github/workflows/milestone.yml

@@ -15,7 +15,7 @@ jobs:
     name: Milestone Update
     steps:
       - name: Set Milestone for PR
-        uses: hustcer/milestone-action@b57a7e52e9913b6b0cdefb10add762af0398659d # v2.9
+        uses: hustcer/milestone-action@bff2091b54a91cf1491564659c554742b285442f # v2.11
         if: github.event.pull_request.merged == true
         with:
           action: bind-pr # `bind-pr` is the default action
@@ -24,7 +24,7 @@ jobs:
 
       # Bind milestone to closed issue that has a merged PR fix
       - name: Set Milestone for Issue
-        uses: hustcer/milestone-action@b57a7e52e9913b6b0cdefb10add762af0398659d # v2.9
+        uses: hustcer/milestone-action@bff2091b54a91cf1491564659c554742b285442f # v2.11
         if: github.event.issue.state == 'closed'
         with:
           action: bind-issue

.github/workflows/publish-tag.yml

@@ -28,7 +28,7 @@ jobs:
 
           echo "Version is valid: ${{ github.event.inputs.version }}"
 
-      - name: Exract the Version
+      - name: Extract the Version
         id: extract_version
         run: |
           VERSION=${{ github.event.inputs.version }}

.github/workflows/release-tip.yml

@@ -188,7 +188,7 @@ jobs:
           nix develop -c minisign -S -m ghostty-source.tar.gz -s minisign.key < minisign.password
 
       - name: Update Release
-        uses: softprops/action-gh-release@62c96d0c4e8a889135c1f3a25910db8dbe0e85f7 # v2.3.4
+        uses: softprops/action-gh-release@aec2ec56f94eb8180ceec724245f64ef008b89f5 # v2.4.0
         with:
           name: 'Ghostty Tip ("Nightly")'
           prerelease: true
@@ -359,7 +359,7 @@ jobs:
 
       # Update Release
       - name: Release
-        uses: softprops/action-gh-release@62c96d0c4e8a889135c1f3a25910db8dbe0e85f7 # v2.3.4
+        uses: softprops/action-gh-release@aec2ec56f94eb8180ceec724245f64ef008b89f5 # v2.4.0
         with:
           name: 'Ghostty Tip ("Nightly")'
           prerelease: true
@@ -590,7 +590,7 @@ jobs:
 
       # Update Release
       - name: Release
-        uses: softprops/action-gh-release@62c96d0c4e8a889135c1f3a25910db8dbe0e85f7 # v2.3.4
+        uses: softprops/action-gh-release@aec2ec56f94eb8180ceec724245f64ef008b89f5 # v2.4.0
         with:
           name: 'Ghostty Tip ("Nightly")'
           prerelease: true
@@ -775,7 +775,7 @@ jobs:
 
       # Update Release
       - name: Release
-        uses: softprops/action-gh-release@62c96d0c4e8a889135c1f3a25910db8dbe0e85f7 # v2.3.4
+        uses: softprops/action-gh-release@aec2ec56f94eb8180ceec724245f64ef008b89f5 # v2.4.0
         with:
           name: 'Ghostty Tip ("Nightly")'
           prerelease: true

.github/workflows/test.yml

@@ -508,9 +508,9 @@ jobs:
       - name: Install zig
         shell: pwsh
         run: |
-          # Get the zig version from build.zig so that it only needs to be updated
-          $fileContent = Get-Content -Path "build.zig" -Raw
-          $pattern = 'buildpkg\.requireZig\("(.*?)"\);'
+          # Get the zig version from build.zig.zon so that it only needs to be updated
+          $fileContent = Get-Content -Path "build.zig.zon" -Raw
+          $pattern = 'minimum_zig_version\s*=\s*"([^"]+)"'
           $zigVersion = [regex]::Match($fileContent, $pattern).Groups[1].Value
           $version = "zig-x86_64-windows-$zigVersion"
           Write-Output $version
@@ -575,7 +575,7 @@ jobs:
       - name: Get required Zig version
         id: zig
         run: |
-          echo "version=$(sed -n -e 's/^.*requireZig("\(.*\)").*$/\1/p' build.zig)" >> $GITHUB_OUTPUT
+          echo "version=$(sed -n -E 's/^\s*\.?minimum_zig_version\s*=\s*"([^"]+)".*/\1/p' build.zig.zon)" >> $GITHUB_OUTPUT
 
       - name: Setup Cache
         uses: namespacelabs/nscloud-cache-action@7baedde84bbf5063413d621f282834bc2654d0c1 # v1.2.18

HACKING.md

@@ -50,24 +50,22 @@ macOS users don't require any additional dependencies.
 ## Xcode Version and SDKs
 
 Building the Ghostty macOS app requires that Xcode, the macOS SDK,
-and the iOS SDK are all installed.
+the iOS SDK, and Metal Toolchain are all installed.
 
 A common issue is that the incorrect version of Xcode is either
 installed or selected. Use the `xcode-select` command to
 ensure that the correct version of Xcode is selected:
 
 ```shell-session
-sudo xcode-select --switch /Applications/Xcode-beta.app
+sudo xcode-select --switch /Applications/Xcode.app
 ```
 
 > [!IMPORTANT]
 >
-> Main branch development of Ghostty is preparing for the next major
-> macOS release, Tahoe (macOS 26). Therefore, the main branch requires
-> **Xcode 26 and the macOS 26 SDK**.
+> Main branch development of Ghostty requires **Xcode 26 and the macOS 26 SDK**.
 >
 > You do not need to be running on macOS 26 to build Ghostty, you can
-> still use Xcode 26 beta on macOS 15 stable.
+> still use Xcode 26 on macOS 15 stable.
 
 ## AI and Agents
 

build.zig

@@ -2,9 +2,11 @@ const std = @import("std");
 const assert = std.debug.assert;
 const builtin = @import("builtin");
 const buildpkg = @import("src/build/main.zig");
+const appVersion = @import("build.zig.zon").version;
+const minimumZigVersion = @import("build.zig.zon").minimum_zig_version;
 
 comptime {
-    buildpkg.requireZig("0.15.1");
+    buildpkg.requireZig(minimumZigVersion);
 }
 
 pub fn build(b: *std.Build) !void {
@@ -15,7 +17,8 @@ pub fn build(b: *std.Build) !void {
     // This defines all the available build options (e.g. `-D`). If you
     // want to know what options are available, you can run `--help` or
     // you can read `src/build/Config.zig`.
-    const config = try buildpkg.Config.init(b);
+
+    const config = try buildpkg.Config.init(b, appVersion);
     const test_filters = b.option(
         [][]const u8,
         "test-filter",

macos/Ghostty.xcodeproj/project.pbxproj

@@ -125,14 +125,7 @@
 				"Features/Terminal/Window Styles/TitlebarTabsTahoeTerminalWindow.swift",
 				"Features/Terminal/Window Styles/TitlebarTabsVenturaTerminalWindow.swift",
 				"Features/Terminal/Window Styles/TransparentTitlebarTerminalWindow.swift",
-				Features/Update/UpdateBadge.swift,
-				Features/Update/UpdateController.swift,
 				Features/Update/UpdateDelegate.swift,
-				Features/Update/UpdateDriver.swift,
-				Features/Update/UpdatePill.swift,
-				Features/Update/UpdatePopoverView.swift,
-				Features/Update/UpdateSimulator.swift,
-				Features/Update/UpdateViewModel.swift,
 				"Ghostty/FullscreenMode+Extension.swift",
 				Ghostty/Ghostty.Command.swift,
 				Ghostty/Ghostty.Error.swift,

macos/Sources/App/macOS/AppDelegate.swift

@@ -1,5 +1,4 @@
 import AppKit
-import SwiftUI
 import UserNotifications
 import OSLog
 import Sparkle
@@ -99,10 +98,8 @@ class AppDelegate: NSObject,
     )
 
     /// Manages updates
-    let updateController = UpdateController()
-    var updateViewModel: UpdateViewModel {
-        updateController.viewModel
-    }
+    let updaterController: SPUStandardUpdaterController
+    let updaterDelegate: UpdaterDelegate = UpdaterDelegate()
 
     /// The elapsed time since the process was started
     var timeSinceLaunch: TimeInterval {
@@ -129,6 +126,15 @@ class AppDelegate: NSObject,
     }
 
     override init() {
+        updaterController = SPUStandardUpdaterController(
+            // Important: we must not start the updater here because we need to read our configuration
+            // first to determine whether we're automatically checking, downloading, etc. The updater
+            // is started later in applicationDidFinishLaunching
+            startingUpdater: false,
+            updaterDelegate: updaterDelegate,
+            userDriverDelegate: nil
+        )
+
         super.init()
 
         ghostty.delegate = self
@@ -173,7 +179,7 @@ class AppDelegate: NSObject,
         ghosttyConfigDidChange(config: ghostty.config)
 
         // Start our update checker.
-        updateController.startUpdater()
+        updaterController.startUpdater()
 
         // Register our service provider. This must happen after everything is initialized.
         NSApp.servicesProvider = ServiceProvider()
@@ -800,12 +806,12 @@ class AppDelegate: NSObject,
         // defined by our "auto-update" configuration (if set) or fall back to Sparkle
         // user-based defaults.
         if Bundle.main.infoDictionary?["SUEnableAutomaticChecks"] as? Bool == false {
-            updateController.updater.automaticallyChecksForUpdates = false
-            updateController.updater.automaticallyDownloadsUpdates = false
+            updaterController.updater.automaticallyChecksForUpdates = false
+            updaterController.updater.automaticallyDownloadsUpdates = false
         } else if let autoUpdate = config.autoUpdate {
-            updateController.updater.automaticallyChecksForUpdates =
+            updaterController.updater.automaticallyChecksForUpdates =
                 autoUpdate == .check || autoUpdate == .download
-            updateController.updater.automaticallyDownloadsUpdates =
+            updaterController.updater.automaticallyDownloadsUpdates =
                 autoUpdate == .download
         }
 
@@ -998,11 +1004,9 @@ class AppDelegate: NSObject,
     }
 
     @IBAction func checkForUpdates(_ sender: Any?) {
-        updateController.checkForUpdates()
-        //UpdateSimulator.permissionRequest.simulate(with: updateViewModel)
+        updaterController.checkForUpdates(sender)
     }
 
-
     @IBAction func newWindow(_ sender: Any?) {
         _ = TerminalController.newWindow(ghostty)
     }

macos/Sources/Features/QuickTerminal/QuickTerminalController.swift

@@ -37,7 +37,7 @@ class QuickTerminalController: BaseTerminalController {
     
     /// Tracks if we're currently handling a manual resize to prevent recursion
     private var isHandlingResize: Bool = false
-    
+
     init(_ ghostty: Ghostty.App,
          position: QuickTerminalPosition = .top,
          baseConfig base: Ghostty.SurfaceConfiguration? = nil,

macos/Sources/Features/Terminal/BaseTerminalController.swift

@@ -48,9 +48,6 @@ class BaseTerminalController: NSWindowController,
 
     /// This can be set to show/hide the command palette.
     @Published var commandPaletteIsShowing: Bool = false
-    
-    /// Set if the terminal view should show the update overlay.
-    @Published var updateOverlayIsVisible: Bool = false
 
     /// Whether the terminal surface should focus when the mouse is over it.
     var focusFollowsMouse: Bool {
@@ -821,18 +818,7 @@ class BaseTerminalController: NSWindowController,
         }
     }
 
-    func fullscreenDidChange() {
-        guard let fullscreenStyle else { return }
-        
-        // When we enter fullscreen, we want to show the update overlay so that it
-        // is easily visible. For native fullscreen this is visible by showing the
-        // menubar but we don't want to rely on that.
-        if fullscreenStyle.isFullscreen {
-            updateOverlayIsVisible = true
-        } else {
-            updateOverlayIsVisible = defaultUpdateOverlayVisibility()
-        }
-    }
+    func fullscreenDidChange() {}
 
     // MARK: Clipboard Confirmation
 
@@ -914,28 +900,6 @@ class BaseTerminalController: NSWindowController,
             fullscreenStyle = NativeFullscreen(window)
             fullscreenStyle?.delegate = self
         }
-        
-        // Set our update overlay state
-        updateOverlayIsVisible = defaultUpdateOverlayVisibility()
-    }
-    
-    func defaultUpdateOverlayVisibility() -> Bool {
-        guard let window else { return true }
-        
-        // No titlebar we always show the update overlay because it can't support
-        // updates in the titlebar
-        guard window.styleMask.contains(.titled) else {
-            return true
-        }
-        
-        // If it's a non terminal window we can't trust it has an update accessory,
-        // so we always want to show the overlay.
-        guard let window = window as? TerminalWindow else {
-            return true
-        }
-        
-        // Show the overlay if the window isn't.
-        return !window.supportsUpdateAccessory
     }
 
     // MARK: NSWindowDelegate

macos/Sources/Features/Terminal/TerminalView.swift

@@ -31,9 +31,6 @@ protocol TerminalViewModel: ObservableObject {
 
     /// The command palette state.
     var commandPaletteIsShowing: Bool { get set }
-    
-    /// The update overlay should be visible.
-    var updateOverlayIsVisible: Bool { get }
 }
 
 /// The main terminal view. This terminal view supports splits.
@@ -112,28 +109,6 @@ struct TerminalView<ViewModel: TerminalViewModel>: View {
                         self.delegate?.performAction(action, on: surfaceView)
                     }
                 }
-                
-                // Show update information above all else.
-                if viewModel.updateOverlayIsVisible {
-                    UpdateOverlay()
-                }
-            }
-        }
-    }
-}
-
-fileprivate struct UpdateOverlay: View {
-    var body: some View {
-        if let appDelegate = NSApp.delegate as? AppDelegate {
-            VStack {
-                Spacer()
-                
-                HStack {
-                    Spacer()
-                    UpdatePill(model: appDelegate.updateViewModel)
-                        .padding(.bottom, 12)
-                        .padding(.trailing, 12)
-                }
             }
         }
     }

macos/Sources/Features/Terminal/Window Styles/HiddenTitlebarTerminalWindow.swift

@@ -1,9 +1,6 @@
 import AppKit
 
 class HiddenTitlebarTerminalWindow: TerminalWindow {
-    // No titlebar, we don't support accessories.
-    override var supportsUpdateAccessory: Bool { false }
-    
     override func awakeFromNib() {
         super.awakeFromNib()
 

macos/Sources/Features/Terminal/Window Styles/TerminalWindow.swift

@@ -14,25 +14,15 @@ class TerminalWindow: NSWindow {
 
     /// Reset split zoom button in titlebar
     private let resetZoomAccessory = NSTitlebarAccessoryViewController()
-    
-    /// Update notification UI in titlebar
-    private let updateAccessory = NSTitlebarAccessoryViewController()
 
     /// The configuration derived from the Ghostty config so we don't need to rely on references.
     private(set) var derivedConfig: DerivedConfig = .init()
-    
-    /// Whether this window supports the update accessory. If this is false, then views within this
-    /// window should determine how to show update notifications.
-    var supportsUpdateAccessory: Bool {
-        // Native window supports it.
-        true
-    }
 
     /// Gets the terminal controller from the window controller.
     var terminalController: TerminalController? {
         windowController as? TerminalController
     }
-    
+
     // MARK: NSWindow Overrides
 
     override var toolbar: NSToolbar? {
@@ -95,17 +85,6 @@ class TerminalWindow: NSWindow {
                 }))
             addTitlebarAccessoryViewController(resetZoomAccessory)
             resetZoomAccessory.view.translatesAutoresizingMaskIntoConstraints = false
-            
-            // Create update notification accessory
-            if supportsUpdateAccessory {
-                updateAccessory.layoutAttribute = .right
-                updateAccessory.view = NSHostingView(rootView: UpdateAccessoryView(
-                    viewModel: viewModel,
-                    model: appDelegate.updateViewModel
-                ))
-                addTitlebarAccessoryViewController(updateAccessory)
-                updateAccessory.view.translatesAutoresizingMaskIntoConstraints = false
-            }
         }
 
         // Setup the accessory view for tabs that shows our keyboard shortcuts,
@@ -219,9 +198,6 @@ class TerminalWindow: NSWindow {
         if let idx = titlebarAccessoryViewControllers.firstIndex(of: resetZoomAccessory) {
             removeTitlebarAccessoryViewController(at: idx)
         }
-        
-        // We don't need to do this with the update accessory. I don't know why but
-        // everything works fine.
     }
 
     private func tabBarDidDisappear() {
@@ -460,7 +436,7 @@ class TerminalWindow: NSWindow {
         standardWindowButton(.miniaturizeButton)?.isHidden = true
         standardWindowButton(.zoomButton)?.isHidden = true
     }
-    
+
     // MARK: Config
 
     struct DerivedConfig {
@@ -491,20 +467,21 @@ extension TerminalWindow {
     class ViewModel: ObservableObject {
         @Published var isSurfaceZoomed: Bool = false
         @Published var hasToolbar: Bool = false
-        
-        /// Calculates the top padding based on toolbar visibility and macOS version
-        fileprivate var accessoryTopPadding: CGFloat {
-            if #available(macOS 26.0, *) {
-                return hasToolbar ? 10 : 5
-            } else {
-                return hasToolbar ? 9 : 4
-            }
-        }
     }
 
     struct ResetZoomAccessoryView: View {
         @ObservedObject var viewModel: ViewModel
         let action: () -> Void
+        
+        // The padding from the top that the view appears. This was all just manually
+        // measured based on the OS.
+        var topPadding: CGFloat {
+            if #available(macOS 26.0, *) {
+                return viewModel.hasToolbar ? 10 : 5
+            } else {
+                return viewModel.hasToolbar ? 9 : 4
+            }
+        }
 
         var body: some View {
             if viewModel.isSurfaceZoomed {
@@ -520,23 +497,10 @@ extension TerminalWindow {
                 }
                 // With a toolbar, the window title is taller, so we need more padding
                 // to properly align.
-                .padding(.top, viewModel.accessoryTopPadding)
+                .padding(.top, topPadding)
                 // We always need space at the end of the titlebar
                 .padding(.trailing, 10)
             }
         }
     }
-    
-    /// A pill-shaped button that displays update status and provides access to update actions.
-    struct UpdateAccessoryView: View {
-        @ObservedObject var viewModel: ViewModel
-        @ObservedObject var model: UpdateViewModel
-        
-        var body: some View {
-            UpdatePill(model: model)
-                .padding(.top, viewModel.accessoryTopPadding)
-                .padding(.trailing, 10)
-        }
-    }
-
 }

macos/Sources/Features/Terminal/Window Styles/TitlebarTabsTahoeTerminalWindow.swift

@@ -8,10 +8,6 @@ import SwiftUI
 class TitlebarTabsTahoeTerminalWindow: TransparentTitlebarTerminalWindow, NSToolbarDelegate {
     /// The view model for SwiftUI views
     private var viewModel = ViewModel()
-    
-    /// Titlebar tabs can't support the update accessory because of the way we layout
-    /// the native tabs back into the menu bar.
-    override var supportsUpdateAccessory: Bool { false }
 
     deinit {
         tabBarObserver = nil

macos/Sources/Features/Terminal/Window Styles/TitlebarTabsVenturaTerminalWindow.swift

@@ -2,10 +2,6 @@ import Cocoa
 
 /// Titlebar tabs for macOS 13 to 15.
 class TitlebarTabsVenturaTerminalWindow: TerminalWindow {
-    /// Titlebar tabs can't support the update accessory because of the way we layout
-    /// the native tabs back into the menu bar.
-    override var supportsUpdateAccessory: Bool { false }
-    
     /// This is used to determine if certain elements should be drawn light or dark and should
     /// be updated whenever the window background color or surrounding elements changes.
     fileprivate var isLightTheme: Bool = false

macos/Sources/Features/Update/UpdateBadge.swift

@@ -1,73 +0,0 @@
-import SwiftUI
-
-/// A badge view that displays the current state of an update operation.
-///
-/// Shows different visual indicators based on the update state:
-/// - Progress ring for downloading/extracting with progress
-/// - Animated rotating icon for checking/installing
-/// - Static icon for other states
-struct UpdateBadge: View {
-    /// The update view model that provides the current state and progress
-    @ObservedObject var model: UpdateViewModel
-    
-    /// Current rotation angle for animated icon states
-    @State private var rotationAngle: Double = 0
-    
-    var body: some View {
-        switch model.state {
-        case .downloading(let download):
-            if let expectedLength = download.expectedLength, expectedLength > 0 {
-                let progress = Double(download.progress) / Double(expectedLength)
-                ProgressRingView(progress: progress)
-            } else {
-                Image(systemName: "arrow.down.circle")
-            }
-            
-        case .extracting(let extracting):
-            ProgressRingView(progress: extracting.progress)
-            
-        case .checking, .installing:
-            if let iconName = model.iconName {
-                Image(systemName: iconName)
-                    .rotationEffect(.degrees(rotationAngle))
-                    .onAppear {
-                        withAnimation(.linear(duration: 2.5).repeatForever(autoreverses: false)) {
-                            rotationAngle = 360
-                        }
-                    }
-                    .onDisappear {
-                        rotationAngle = 0
-                    }
-            }
-            
-        default:
-            if let iconName = model.iconName {
-                Image(systemName: iconName)
-            }
-        }
-    }
-}
-
-/// A circular progress indicator with a stroke-based ring design.
-///
-/// Displays a partially filled circle that represents progress from 0.0 to 1.0.
-fileprivate struct ProgressRingView: View {
-    /// The current progress value, ranging from 0.0 (empty) to 1.0 (complete)
-    let progress: Double
-    
-    /// The width of the progress ring stroke
-    let lineWidth: CGFloat = 2
-    
-    var body: some View {
-        ZStack {
-            Circle()
-                .stroke(Color.primary.opacity(0.2), lineWidth: lineWidth)
-            
-            Circle()
-                .trim(from: 0, to: progress)
-                .stroke(Color.primary, style: StrokeStyle(lineWidth: lineWidth, lineCap: .round))
-                .rotationEffect(.degrees(-90))
-                .animation(.easeInOut(duration: 0.2), value: progress)
-        }
-    }
-}

macos/Sources/Features/Update/UpdateController.swift

@@ -1,55 +0,0 @@
-import Sparkle
-import Cocoa
-
-/// Standard controller for managing Sparkle updates in Ghostty.
-///
-/// This controller wraps SPUStandardUpdaterController to provide a simpler interface
-/// for managing updates with Ghostty's custom driver and delegate. It handles
-/// initialization, starting the updater, and provides the check for updates action.
-class UpdateController {
-    private(set) var updater: SPUUpdater
-    private let userDriver: UpdateDriver
-    private let updaterDelegate = UpdaterDelegate()
-    
-    var viewModel: UpdateViewModel {
-        userDriver.viewModel
-    }
-    
-    /// Initialize a new update controller.
-    init() {
-        let hostBundle = Bundle.main
-        self.userDriver = UpdateDriver(viewModel: .init())
-        self.updater = SPUUpdater(
-            hostBundle: hostBundle,
-            applicationBundle: hostBundle,
-            userDriver: userDriver,
-            delegate: updaterDelegate
-        )
-    }
-    
-    /// Start the updater.
-    ///
-    /// This must be called before the updater can check for updates. If starting fails,
-    /// an error alert will be shown after a short delay.
-    func startUpdater() {
-        try? updater.start()
-    }
-    
-    /// Check for updates.
-    ///
-    /// This is typically connected to a menu item action.
-    @objc func checkForUpdates() {
-        updater.checkForUpdates()
-    }
-    
-    /// Validate the check for updates menu item.
-    ///
-    /// - Parameter item: The menu item to validate
-    /// - Returns: Whether the menu item should be enabled
-    func validateMenuItem(_ item: NSMenuItem) -> Bool {
-        if item.action == #selector(checkForUpdates) {
-            return updater.canCheckForUpdates
-        }
-        return true
-    }
-}

macos/Sources/Features/Update/UpdateDelegate.swift

@@ -6,7 +6,7 @@ class UpdaterDelegate: NSObject, SPUUpdaterDelegate {
         guard let appDelegate = NSApplication.shared.delegate as? AppDelegate else {
             return nil
         }
-        
+
         // Sparkle supports a native concept of "channels" but it requires that
         // you share a single appcast file. We don't want to do that so we
         // do this instead.

macos/Sources/Features/Update/UpdateDriver.swift

@@ -1,113 +0,0 @@
-import Cocoa
-import Sparkle
-
-/// Implement the SPUUserDriver to modify our UpdateViewModel for custom presentation.
-class UpdateDriver: NSObject, SPUUserDriver {
-    let viewModel: UpdateViewModel
-    
-    init(viewModel: UpdateViewModel) {
-        self.viewModel = viewModel
-        super.init()
-    }
-    
-    func show(_ request: SPUUpdatePermissionRequest, reply: @escaping @Sendable (SUUpdatePermissionResponse) -> Void) {
-        viewModel.state = .permissionRequest(.init(request: request, reply: reply))
-    }
-    
-    func showUserInitiatedUpdateCheck(cancellation: @escaping () -> Void) {
-        viewModel.state = .checking(.init(cancel: cancellation))
-    }
-    
-    func showUpdateFound(with appcastItem: SUAppcastItem, state: SPUUserUpdateState, reply: @escaping @Sendable (SPUUserUpdateChoice) -> Void) {
-        viewModel.state = .updateAvailable(.init(appcastItem: appcastItem, reply: reply))
-    }
-    
-    func showUpdateReleaseNotes(with downloadData: SPUDownloadData) {
-        // We don't do anything with the release notes here because Ghostty
-        // doesn't use the release notes feature of Sparkle currently.
-    }
-    
-    func showUpdateReleaseNotesFailedToDownloadWithError(_ error: any Error) {
-        // We don't do anything with release notes. See `showUpdateReleaseNotes`
-    }
-    
-    func showUpdateNotFoundWithError(_ error: any Error, acknowledgement: @escaping () -> Void) {
-        viewModel.state = .notFound
-        // TODO: Do we need to acknowledge?
-    }
-    
-    func showUpdaterError(_ error: any Error, acknowledgement: @escaping () -> Void) {
-        viewModel.state = .error(.init(
-            error: error,
-            retry: {
-                guard let delegate = NSApp.delegate as? AppDelegate else {
-                    return
-                }
-                
-                // TODO fill this in
-            },
-            dismiss: { [weak viewModel] in
-                viewModel?.state = .idle
-            }))
-    }
-    
-    func showDownloadInitiated(cancellation: @escaping () -> Void) {
-        viewModel.state = .downloading(.init(
-            cancel: cancellation,
-            expectedLength: nil,
-            progress: 0))
-    }
-    
-    func showDownloadDidReceiveExpectedContentLength(_ expectedContentLength: UInt64) {
-        guard case let .downloading(downloading) = viewModel.state else {
-            return
-        }
-            
-        viewModel.state = .downloading(.init(
-            cancel: downloading.cancel,
-            expectedLength: expectedContentLength,
-            progress: 0))
-    }
-    
-    func showDownloadDidReceiveData(ofLength length: UInt64) {
-        guard case let .downloading(downloading) = viewModel.state else {
-            return
-        }
-        
-        viewModel.state = .downloading(.init(
-            cancel: downloading.cancel,
-            expectedLength: downloading.expectedLength,
-            progress: downloading.progress + length))
-    }
-    
-    func showDownloadDidStartExtractingUpdate() {
-        viewModel.state = .extracting(.init(progress: 0))
-    }
-    
-    func showExtractionReceivedProgress(_ progress: Double) {
-        viewModel.state = .extracting(.init(progress: progress))
-    }
-    
-    func showReady(toInstallAndRelaunch reply: @escaping @Sendable (SPUUserUpdateChoice) -> Void) {
-        viewModel.state = .readyToInstall(.init(reply: reply))
-    }
-    
-    func showInstallingUpdate(withApplicationTerminated applicationTerminated: Bool, retryTerminatingApplication: @escaping () -> Void) {
-        viewModel.state = .installing
-    }
-    
-    func showUpdateInstalledAndRelaunched(_ relaunched: Bool, acknowledgement: @escaping () -> Void) {
-        // We don't do anything here.
-        viewModel.state = .idle
-    }
-    
-    func showUpdateInFocus() {
-        // We don't currently implement this because our update state is
-        // shown in a terminal window. We may want to implement this at some
-        // point to handle the case that no windows are open, though.
-    }
-    
-    func dismissUpdateInstallation() {
-        viewModel.state = .idle
-    }
-}

macos/Sources/Features/Update/UpdatePill.swift

@@ -1,61 +0,0 @@
-import SwiftUI
-
-/// A pill-shaped button that displays update status and provides access to update actions.
-struct UpdatePill: View {
-    /// The update view model that provides the current state and information
-    @ObservedObject var model: UpdateViewModel
-    
-    /// Whether the update popover is currently visible
-    @State private var showPopover = false
-    
-    var body: some View {
-        if !model.state.isIdle {
-            pillButton
-                .popover(isPresented: $showPopover, arrowEdge: .bottom) {
-                    UpdatePopoverView(model: model)
-                }
-                .transition(.opacity.combined(with: .scale(scale: 0.95)))
-                .onChange(of: model.state) { newState in
-                    if case .notFound = newState {
-                        Task {
-                            try? await Task.sleep(for: .seconds(5))
-                            if case .notFound = model.state {
-                                model.state = .idle
-                            }
-                        }
-                    }
-                }
-        }
-    }
-    
-    /// The pill-shaped button view that displays the update badge and text
-    @ViewBuilder
-    private var pillButton: some View {
-        Button(action: {
-            if case .notFound = model.state {
-                model.state = .idle
-            } else {
-                showPopover.toggle()
-            }
-        }) {
-            HStack(spacing: 6) {
-                UpdateBadge(model: model)
-                    .frame(width: 14, height: 14)
-                
-                Text(model.text)
-                    .font(.system(size: 11, weight: .medium))
-                    .lineLimit(1)
-            }
-            .padding(.horizontal, 8)
-            .padding(.vertical, 4)
-            .background(
-                Capsule()
-                    .fill(model.backgroundColor)
-            )
-            .foregroundColor(model.foregroundColor)
-            .contentShape(Capsule())
-        }
-        .buttonStyle(.plain)
-        .help(model.text)
-    }
-}

macos/Sources/Features/Update/UpdatePopoverView.swift

@@ -1,402 +0,0 @@
-import SwiftUI
-import Sparkle
-
-/// A popover view that displays detailed update information and action buttons.
-///
-/// The view adapts its content based on the current update state, showing appropriate
-/// UI for checking, downloading, installing, or handling errors.
-struct UpdatePopoverView: View {
-    /// The update view model that provides the current state and information
-    @ObservedObject var model: UpdateViewModel
-    
-    /// Environment value for dismissing the popover
-    @Environment(\.dismiss) private var dismiss
-    
-    var body: some View {
-        VStack(alignment: .leading, spacing: 0) {
-            switch model.state {
-            case .idle:
-                // Shouldn't happen in a well-formed view stack. Higher levels
-                // should not call the popover for idles.
-                EmptyView()
-                
-            case .permissionRequest(let request):
-                PermissionRequestView(request: request, dismiss: dismiss)
-                
-            case .checking(let checking):
-                CheckingView(checking: checking, dismiss: dismiss)
-                
-            case .updateAvailable(let update):
-                UpdateAvailableView(update: update, dismiss: dismiss)
-                
-            case .downloading(let download):
-                DownloadingView(download: download, dismiss: dismiss)
-                
-            case .extracting(let extracting):
-                ExtractingView(extracting: extracting)
-                
-            case .readyToInstall(let ready):
-                ReadyToInstallView(ready: ready, dismiss: dismiss)
-                
-            case .installing:
-                InstallingView()
-                
-            case .notFound:
-                NotFoundView(dismiss: dismiss)
-                
-            case .error(let error):
-                UpdateErrorView(error: error, dismiss: dismiss)
-            }
-        }
-        .frame(width: 300)
-    }
-}
-
-fileprivate struct PermissionRequestView: View {
-    let request: UpdateState.PermissionRequest
-    let dismiss: DismissAction
-    
-    var body: some View {
-        VStack(alignment: .leading, spacing: 16) {
-            VStack(alignment: .leading, spacing: 8) {
-                Text("Enable automatic updates?")
-                    .font(.system(size: 13, weight: .semibold))
-                
-                Text("Ghostty can automatically check for updates in the background.")
-                    .font(.system(size: 11))
-                    .foregroundColor(.secondary)
-                    .fixedSize(horizontal: false, vertical: true)
-            }
-            
-            HStack(spacing: 8) {
-                Button("Not Now") {
-                    request.reply(SUUpdatePermissionResponse(
-                        automaticUpdateChecks: false,
-                        sendSystemProfile: false))
-                    dismiss()
-                }
-                .keyboardShortcut(.cancelAction)
-                
-                Spacer()
-                
-                Button("Allow") {
-                    request.reply(SUUpdatePermissionResponse(
-                        automaticUpdateChecks: true,
-                        sendSystemProfile: false))
-                    dismiss()
-                }
-                .keyboardShortcut(.defaultAction)
-                .buttonStyle(.borderedProminent)
-            }
-        }
-        .padding(16)
-    }
-}
-
-fileprivate struct CheckingView: View {
-    let checking: UpdateState.Checking
-    let dismiss: DismissAction
-    
-    var body: some View {
-        VStack(alignment: .leading, spacing: 16) {
-            HStack(spacing: 10) {
-                ProgressView()
-                    .controlSize(.small)
-                Text("Checking for updates…")
-                    .font(.system(size: 13))
-            }
-            
-            HStack {
-                Spacer()
-                Button("Cancel") {
-                    checking.cancel()
-                    dismiss()
-                }
-                .keyboardShortcut(.cancelAction)
-                .controlSize(.small)
-            }
-        }
-        .padding(16)
-    }
-}
-
-fileprivate struct UpdateAvailableView: View {
-    let update: UpdateState.UpdateAvailable
-    let dismiss: DismissAction
-    
-    private let labelWidth: CGFloat = 60
-    
-    var body: some View {
-        VStack(alignment: .leading, spacing: 0) {
-            VStack(alignment: .leading, spacing: 12) {
-                VStack(alignment: .leading, spacing: 8) {
-                    Text("Update Available")
-                        .font(.system(size: 13, weight: .semibold))
-                    
-                    VStack(alignment: .leading, spacing: 4) {
-                        HStack(spacing: 6) {
-                            Text("Version:")
-                                .foregroundColor(.secondary)
-                                .frame(width: labelWidth, alignment: .trailing)
-                            Text(update.appcastItem.displayVersionString)
-                        }
-                        .font(.system(size: 11))
-                        
-                        if update.appcastItem.contentLength > 0 {
-                            HStack(spacing: 6) {
-                                Text("Size:")
-                                    .foregroundColor(.secondary)
-                                    .frame(width: labelWidth, alignment: .trailing)
-                                Text(ByteCountFormatter.string(fromByteCount: Int64(update.appcastItem.contentLength), countStyle: .file))
-                            }
-                            .font(.system(size: 11))
-                        }
-                        
-                        if let date = update.appcastItem.date {
-                            HStack(spacing: 6) {
-                                Text("Released:")
-                                    .foregroundColor(.secondary)
-                                    .frame(width: labelWidth, alignment: .trailing)
-                                Text(date.formatted(date: .abbreviated, time: .omitted))
-                            }
-                            .font(.system(size: 11))
-                        }
-                    }
-                    .textSelection(.enabled)
-                }
-                
-                HStack(spacing: 8) {
-                    Button("Skip") {
-                        update.reply(.skip)
-                        dismiss()
-                    }
-                    .controlSize(.small)
-                    
-                    Button("Later") {
-                        update.reply(.dismiss)
-                        dismiss()
-                    }
-                    .controlSize(.small)
-                    .keyboardShortcut(.cancelAction)
-                    
-                    Spacer()
-                    
-                    Button("Install") {
-                        update.reply(.install)
-                        dismiss()
-                    }
-                    .keyboardShortcut(.defaultAction)
-                    .buttonStyle(.borderedProminent)
-                    .controlSize(.small)
-                }
-            }
-            .padding(16)
-            
-            if let notes = update.releaseNotes {
-                Divider()
-                
-                Link(destination: notes.url) {
-                    HStack {
-                        Image(systemName: "doc.text")
-                            .font(.system(size: 11))
-                        Text(notes.label)
-                            .font(.system(size: 11, weight: .medium))
-                        Spacer()
-                        Image(systemName: "arrow.up.right")
-                            .font(.system(size: 10))
-                    }
-                    .foregroundColor(.primary)
-                    .padding(12)
-                    .frame(maxWidth: .infinity)
-                    .background(Color(nsColor: .controlBackgroundColor))
-                    .contentShape(Rectangle())
-                }
-                .buttonStyle(.plain)
-            }
-        }
-    }
-}
-
-fileprivate struct DownloadingView: View {
-    let download: UpdateState.Downloading
-    let dismiss: DismissAction
-    
-    var body: some View {
-        VStack(alignment: .leading, spacing: 16) {
-            VStack(alignment: .leading, spacing: 8) {
-                Text("Downloading Update")
-                    .font(.system(size: 13, weight: .semibold))
-                
-                if let expectedLength = download.expectedLength, expectedLength > 0 {
-                    let progress = Double(download.progress) / Double(expectedLength)
-                    VStack(alignment: .leading, spacing: 6) {
-                        ProgressView(value: progress)
-                        Text(String(format: "%.0f%%", progress * 100))
-                            .font(.system(size: 11))
-                            .foregroundColor(.secondary)
-                    }
-                } else {
-                    ProgressView()
-                        .controlSize(.small)
-                }
-            }
-            
-            HStack {
-                Spacer()
-                Button("Cancel") {
-                    download.cancel()
-                    dismiss()
-                }
-                .keyboardShortcut(.cancelAction)
-                .controlSize(.small)
-            }
-        }
-        .padding(16)
-    }
-}
-
-fileprivate struct ExtractingView: View {
-    let extracting: UpdateState.Extracting
-    
-    var body: some View {
-        VStack(alignment: .leading, spacing: 8) {
-            Text("Preparing Update")
-                .font(.system(size: 13, weight: .semibold))
-            
-            VStack(alignment: .leading, spacing: 6) {
-                ProgressView(value: extracting.progress, total: 1.0)
-                Text(String(format: "%.0f%%", extracting.progress * 100))
-                    .font(.system(size: 11))
-                    .foregroundColor(.secondary)
-            }
-        }
-        .padding(16)
-    }
-}
-
-fileprivate struct ReadyToInstallView: View {
-    let ready: UpdateState.ReadyToInstall
-    let dismiss: DismissAction
-    
-    var body: some View {
-        VStack(alignment: .leading, spacing: 16) {
-            VStack(alignment: .leading, spacing: 8) {
-                Text("Ready to Install")
-                    .font(.system(size: 13, weight: .semibold))
-                
-                Text("The update is ready to install.")
-                    .font(.system(size: 11))
-                    .foregroundColor(.secondary)
-            }
-            
-            HStack(spacing: 8) {
-                Button("Later") {
-                    ready.reply(.dismiss)
-                    dismiss()
-                }
-                .keyboardShortcut(.cancelAction)
-                .controlSize(.small)
-                
-                Spacer()
-                
-                Button("Install and Relaunch") {
-                    ready.reply(.install)
-                    dismiss()
-                }
-                .keyboardShortcut(.defaultAction)
-                .buttonStyle(.borderedProminent)
-                .controlSize(.small)
-            }
-        }
-        .padding(16)
-    }
-}
-
-fileprivate struct InstallingView: View {
-    var body: some View {
-        VStack(alignment: .leading, spacing: 8) {
-            HStack(spacing: 10) {
-                ProgressView()
-                    .controlSize(.small)
-                Text("Installing…")
-                    .font(.system(size: 13, weight: .semibold))
-            }
-            
-            Text("The application will relaunch shortly.")
-                .font(.system(size: 11))
-                .foregroundColor(.secondary)
-        }
-        .padding(16)
-    }
-}
-
-fileprivate struct NotFoundView: View {
-    let dismiss: DismissAction
-    
-    var body: some View {
-        VStack(alignment: .leading, spacing: 16) {
-            VStack(alignment: .leading, spacing: 8) {
-                Text("No Updates Found")
-                    .font(.system(size: 13, weight: .semibold))
-                
-                Text("You're already running the latest version.")
-                    .font(.system(size: 11))
-                    .foregroundColor(.secondary)
-                    .fixedSize(horizontal: false, vertical: true)
-            }
-            
-            HStack {
-                Spacer()
-                Button("OK") {
-                    dismiss()
-                }
-                .keyboardShortcut(.defaultAction)
-                .controlSize(.small)
-            }
-        }
-        .padding(16)
-    }
-}
-
-fileprivate struct UpdateErrorView: View {
-    let error: UpdateState.Error
-    let dismiss: DismissAction
-    
-    var body: some View {
-        VStack(alignment: .leading, spacing: 16) {
-            VStack(alignment: .leading, spacing: 8) {
-                HStack(spacing: 8) {
-                    Image(systemName: "exclamationmark.triangle.fill")
-                        .foregroundColor(.orange)
-                        .font(.system(size: 13))
-                    Text("Update Failed")
-                        .font(.system(size: 13, weight: .semibold))
-                }
-                
-                Text(error.error.localizedDescription)
-                    .font(.system(size: 11))
-                    .foregroundColor(.secondary)
-                    .fixedSize(horizontal: false, vertical: true)
-            }
-            
-            HStack(spacing: 8) {
-                Button("OK") {
-                    error.dismiss()
-                    dismiss()
-                }
-                .keyboardShortcut(.cancelAction)
-                .controlSize(.small)
-                
-                Spacer()
-                
-                Button("Retry") {
-                    error.retry()
-                    dismiss()
-                }
-                .keyboardShortcut(.defaultAction)
-                .controlSize(.small)
-            }
-        }
-        .padding(16)
-    }
-}

macos/Sources/Features/Update/UpdateSimulator.swift

@@ -1,275 +0,0 @@
-import Foundation
-import Sparkle
-
-/// Simulates various update scenarios for testing the update UI.
-///
-/// The expected usage is by overriding the `checkForUpdates` function in AppDelegate and
-/// calling one of these instead. This will allow us to test the update flows without having to use
-/// real updates.
-enum UpdateSimulator {
-    /// Complete successful update flow: checking → available → download → extract → ready → install → idle
-    case happyPath
-    
-    /// No updates available: checking (2s) → "No Updates Available" (3s) → idle
-    case notFound
-    
-    /// Error during check: checking (2s) → error with retry callback
-    case error
-    
-    /// Slower download for testing progress UI: checking → available → download (20 steps, ~10s) → extract → install
-    case slowDownload
-    
-    /// Initial permission request flow: shows permission dialog → proceeds with happy path if accepted
-    case permissionRequest
-    
-    /// User cancels during download: checking → available → download (5 steps) → cancels → idle
-    case cancelDuringDownload
-    
-    /// User cancels while checking: checking (1s) → cancels → idle
-    case cancelDuringChecking
-    
-    func simulate(with viewModel: UpdateViewModel) {
-        switch self {
-        case .happyPath:
-            simulateHappyPath(viewModel)
-        case .notFound:
-            simulateNotFound(viewModel)
-        case .error:
-            simulateError(viewModel)
-        case .slowDownload:
-            simulateSlowDownload(viewModel)
-        case .permissionRequest:
-            simulatePermissionRequest(viewModel)
-        case .cancelDuringDownload:
-            simulateCancelDuringDownload(viewModel)
-        case .cancelDuringChecking:
-            simulateCancelDuringChecking(viewModel)
-        }
-    }
-    
-    private func simulateHappyPath(_ viewModel: UpdateViewModel) {
-        viewModel.state = .checking(.init(cancel: {
-            viewModel.state = .idle
-        }))
-        
-        DispatchQueue.main.asyncAfter(deadline: .now() + 2.0) {
-            viewModel.state = .updateAvailable(.init(
-                appcastItem: SUAppcastItem.empty(),
-                reply: { choice in
-                    if choice == .install {
-                        simulateDownload(viewModel)
-                    } else {
-                        viewModel.state = .idle
-                    }
-                }
-            ))
-        }
-    }
-    
-    private func simulateNotFound(_ viewModel: UpdateViewModel) {
-        viewModel.state = .checking(.init(cancel: {
-            viewModel.state = .idle
-        }))
-        
-        DispatchQueue.main.asyncAfter(deadline: .now() + 2.0) {
-            viewModel.state = .notFound
-            
-            DispatchQueue.main.asyncAfter(deadline: .now() + 3.0) {
-                viewModel.state = .idle
-            }
-        }
-    }
-    
-    private func simulateError(_ viewModel: UpdateViewModel) {
-        viewModel.state = .checking(.init(cancel: {
-            viewModel.state = .idle
-        }))
-        
-        DispatchQueue.main.asyncAfter(deadline: .now() + 2.0) {
-            viewModel.state = .error(.init(
-                error: NSError(domain: "UpdateError", code: 1, userInfo: [
-                    NSLocalizedDescriptionKey: "Failed to check for updates"
-                ]),
-                retry: {
-                    simulateHappyPath(viewModel)
-                },
-                dismiss: {
-                    viewModel.state = .idle
-                }
-            ))
-        }
-    }
-    
-    private func simulateSlowDownload(_ viewModel: UpdateViewModel) {
-        viewModel.state = .checking(.init(cancel: {
-            viewModel.state = .idle
-        }))
-        
-        DispatchQueue.main.asyncAfter(deadline: .now() + 2.0) {
-            viewModel.state = .updateAvailable(.init(
-                appcastItem: SUAppcastItem.empty(),
-                reply: { choice in
-                    if choice == .install {
-                        simulateSlowDownloadProgress(viewModel)
-                    } else {
-                        viewModel.state = .idle
-                    }
-                }
-            ))
-        }
-    }
-    
-    private func simulateSlowDownloadProgress(_ viewModel: UpdateViewModel) {
-        let download = UpdateState.Downloading(
-            cancel: {
-                viewModel.state = .idle
-            },
-            expectedLength: nil,
-            progress: 0
-        )
-        viewModel.state = .downloading(download)
-        
-        for i in 1...20 {
-            DispatchQueue.main.asyncAfter(deadline: .now() + Double(i) * 0.5) {
-                let updatedDownload = UpdateState.Downloading(
-                    cancel: download.cancel,
-                    expectedLength: 2000,
-                    progress: UInt64(i * 100)
-                )
-                viewModel.state = .downloading(updatedDownload)
-                
-                if i == 20 {
-                    DispatchQueue.main.asyncAfter(deadline: .now() + 0.5) {
-                        simulateExtract(viewModel)
-                    }
-                }
-            }
-        }
-    }
-    
-    private func simulatePermissionRequest(_ viewModel: UpdateViewModel) {
-        let request = SPUUpdatePermissionRequest(systemProfile: [])
-        viewModel.state = .permissionRequest(.init(
-            request: request,
-            reply: { response in
-                if response.automaticUpdateChecks {
-                    simulateHappyPath(viewModel)
-                } else {
-                    viewModel.state = .idle
-                }
-            }
-        ))
-    }
-    
-    private func simulateCancelDuringDownload(_ viewModel: UpdateViewModel) {
-        viewModel.state = .checking(.init(cancel: {
-            viewModel.state = .idle
-        }))
-        
-        DispatchQueue.main.asyncAfter(deadline: .now() + 2.0) {
-            viewModel.state = .updateAvailable(.init(
-                appcastItem: SUAppcastItem.empty(),
-                reply: { choice in
-                    if choice == .install {
-                        simulateDownloadThenCancel(viewModel)
-                    } else {
-                        viewModel.state = .idle
-                    }
-                }
-            ))
-        }
-    }
-    
-    private func simulateDownloadThenCancel(_ viewModel: UpdateViewModel) {
-        let download = UpdateState.Downloading(
-            cancel: {
-                viewModel.state = .idle
-            },
-            expectedLength: nil,
-            progress: 0
-        )
-        viewModel.state = .downloading(download)
-        
-        for i in 1...5 {
-            DispatchQueue.main.asyncAfter(deadline: .now() + Double(i) * 0.3) {
-                let updatedDownload = UpdateState.Downloading(
-                    cancel: download.cancel,
-                    expectedLength: 1000,
-                    progress: UInt64(i * 100)
-                )
-                viewModel.state = .downloading(updatedDownload)
-                
-                if i == 5 {
-                    DispatchQueue.main.asyncAfter(deadline: .now() + 0.5) {
-                        viewModel.state = .idle
-                    }
-                }
-            }
-        }
-    }
-    
-    private func simulateCancelDuringChecking(_ viewModel: UpdateViewModel) {
-        viewModel.state = .checking(.init(cancel: {
-            viewModel.state = .idle
-        }))
-        
-        DispatchQueue.main.asyncAfter(deadline: .now() + 1.0) {
-            viewModel.state = .idle
-        }
-    }
-    
-    private func simulateDownload(_ viewModel: UpdateViewModel) {
-        let download = UpdateState.Downloading(
-            cancel: {
-                viewModel.state = .idle
-            },
-            expectedLength: nil,
-            progress: 0
-        )
-        viewModel.state = .downloading(download)
-        
-        for i in 1...10 {
-            DispatchQueue.main.asyncAfter(deadline: .now() + Double(i) * 0.3) {
-                let updatedDownload = UpdateState.Downloading(
-                    cancel: download.cancel,
-                    expectedLength: 1000,
-                    progress: UInt64(i * 100)
-                )
-                viewModel.state = .downloading(updatedDownload)
-                
-                if i == 10 {
-                    DispatchQueue.main.asyncAfter(deadline: .now() + 0.5) {
-                        simulateExtract(viewModel)
-                    }
-                }
-            }
-        }
-    }
-    
-    private func simulateExtract(_ viewModel: UpdateViewModel) {
-        viewModel.state = .extracting(.init(progress: 0.0))
-        
-        for j in 1...5 {
-            DispatchQueue.main.asyncAfter(deadline: .now() + Double(j) * 0.3) {
-                viewModel.state = .extracting(.init(progress: Double(j) / 5.0))
-                
-                if j == 5 {
-                    DispatchQueue.main.asyncAfter(deadline: .now() + 0.5) {
-                        viewModel.state = .readyToInstall(.init(
-                            reply: { choice in
-                                if choice == .install {
-                                    viewModel.state = .installing
-                                    DispatchQueue.main.asyncAfter(deadline: .now() + 2.0) {
-                                        viewModel.state = .idle
-                                    }
-                                } else {
-                                    viewModel.state = .idle
-                                }
-                            }
-                        ))
-                    }
-                }
-            }
-        }
-    }
-}

macos/Sources/Features/Update/UpdateViewModel.swift

@@ -1,267 +0,0 @@
-import Foundation
-import SwiftUI
-import Sparkle
-
-class UpdateViewModel: ObservableObject {
-    @Published var state: UpdateState = .idle
-    
-    /// The text to display for the current update state.
-    /// Returns an empty string for idle state, progress percentages for downloading/extracting,
-    /// or descriptive text for other states.
-    var text: String {
-        switch state {
-        case .idle:
-            return ""
-        case .permissionRequest:
-            return "Enable Automatic Updates?"
-        case .checking:
-            return "Checking for Updates…"
-        case .updateAvailable(let update):
-            return "Update Available: \(update.appcastItem.displayVersionString)"
-        case .downloading(let download):
-            if let expectedLength = download.expectedLength, expectedLength > 0 {
-                let progress = Double(download.progress) / Double(expectedLength)
-                return String(format: "Downloading: %.0f%%", progress * 100)
-            }
-            return "Downloading…"
-        case .extracting(let extracting):
-            return String(format: "Preparing: %.0f%%", extracting.progress * 100)
-        case .readyToInstall:
-            return "Install Update"
-        case .installing:
-            return "Installing…"
-        case .notFound:
-            return "No Updates Available"
-        case .error(let err):
-            return err.error.localizedDescription
-        }
-    }
-    
-    /// The SF Symbol icon name for the current update state.
-    /// Returns nil for idle, downloading, and extracting states.
-    var iconName: String? {
-        switch state {
-        case .idle:
-            return nil
-        case .permissionRequest:
-            return "questionmark.circle"
-        case .checking:
-            return "arrow.triangle.2.circlepath"
-        case .updateAvailable:
-            return "arrow.down.circle.fill"
-        case .downloading, .extracting:
-            return nil
-        case .readyToInstall:
-            return "checkmark.circle.fill"
-        case .installing:
-            return "gear"
-        case .notFound:
-            return "info.circle"
-        case .error:
-            return "exclamationmark.triangle.fill"
-        }
-    }
-    
-    /// The color to apply to the icon for the current update state.
-    var iconColor: Color {
-        switch state {
-        case .idle:
-            return .secondary
-        case .permissionRequest:
-            return .white
-        case .checking:
-            return .secondary
-        case .updateAvailable, .readyToInstall:
-            return .accentColor
-        case .downloading, .extracting, .installing:
-            return .secondary
-        case .notFound:
-            return .secondary
-        case .error:
-            return .orange
-        }
-    }
-    
-    /// The background color for the update pill.
-    var backgroundColor: Color {
-        switch state {
-        case .permissionRequest:
-            return Color(nsColor: NSColor.systemBlue.blended(withFraction: 0.3, of: .black) ?? .systemBlue)
-        case .updateAvailable:
-            return .accentColor
-        case .readyToInstall:
-            return Color(nsColor: NSColor.systemGreen.blended(withFraction: 0.3, of: .black) ?? .systemGreen)
-        case .notFound:
-            return Color(nsColor: NSColor.systemBlue.blended(withFraction: 0.5, of: .black) ?? .systemBlue)
-        case .error:
-            return .orange.opacity(0.2)
-        default:
-            return Color(nsColor: .controlBackgroundColor)
-        }
-    }
-    
-    /// The foreground (text) color for the update pill.
-    var foregroundColor: Color {
-        switch state {
-        case .permissionRequest:
-            return .white
-        case .updateAvailable, .readyToInstall:
-            return .white
-        case .notFound:
-            return .white
-        case .error:
-            return .orange
-        default:
-            return .primary
-        }
-    }
-}
-
-enum UpdateState: Equatable {
-    case idle
-    case permissionRequest(PermissionRequest)
-    case checking(Checking)
-    case updateAvailable(UpdateAvailable)
-    case notFound
-    case error(Error)
-    case downloading(Downloading)
-    case extracting(Extracting)
-    case readyToInstall(ReadyToInstall)
-    case installing
-    
-    var isIdle: Bool {
-        if case .idle = self { return true }
-        return false
-    }
-    
-    static func == (lhs: UpdateState, rhs: UpdateState) -> Bool {
-        switch (lhs, rhs) {
-        case (.idle, .idle):
-            return true
-        case (.permissionRequest, .permissionRequest):
-            return true
-        case (.checking, .checking):
-            return true
-        case (.updateAvailable(let lUpdate), .updateAvailable(let rUpdate)):
-            return lUpdate.appcastItem.displayVersionString == rUpdate.appcastItem.displayVersionString
-        case (.notFound, .notFound):
-            return true
-        case (.error(let lErr), .error(let rErr)):
-            return lErr.error.localizedDescription == rErr.error.localizedDescription
-        case (.downloading(let lDown), .downloading(let rDown)):
-            return lDown.progress == rDown.progress && lDown.expectedLength == rDown.expectedLength
-        case (.extracting(let lExt), .extracting(let rExt)):
-            return lExt.progress == rExt.progress
-        case (.readyToInstall, .readyToInstall):
-            return true
-        case (.installing, .installing):
-            return true
-        default:
-            return false
-        }
-    }
-    
-    struct PermissionRequest {
-        let request: SPUUpdatePermissionRequest
-        let reply: @Sendable (SUUpdatePermissionResponse) -> Void
-    }
-    
-    struct Checking {
-        let cancel: () -> Void
-    }
-    
-    struct UpdateAvailable {
-        let appcastItem: SUAppcastItem
-        let reply: @Sendable (SPUUserUpdateChoice) -> Void
-        
-        var releaseNotes: ReleaseNotes? {
-            let currentCommit = Bundle.main.infoDictionary?["GhosttyCommit"] as? String
-            return ReleaseNotes(displayVersionString: appcastItem.displayVersionString, currentCommit: currentCommit)
-        }
-    }
-    
-    enum ReleaseNotes {
-        case commit(URL)
-        case compareTip(URL)
-        case tagged(URL)
-        
-        init?(displayVersionString: String, currentCommit: String?) {
-            let version = displayVersionString
-            
-            // Check for semantic version (x.y.z)
-            if let semver = Self.extractSemanticVersion(from: version) {
-                let slug = semver.replacingOccurrences(of: ".", with: "-")
-                if let url = URL(string: "https://ghostty.org/docs/install/release-notes/\(slug)") {
-                    self = .tagged(url)
-                    return
-                }
-            }
-            
-            // Fall back to git hash detection
-            guard let newHash = Self.extractGitHash(from: version) else {
-                return nil
-            }
-            
-            if let currentHash = currentCommit, !currentHash.isEmpty,
-               let url = URL(string: "https://github.com/ghostty-org/ghostty/compare/\(currentHash)...\(newHash)") {
-                self = .compareTip(url)
-            } else if let url = URL(string: "https://github.com/ghostty-org/ghostty/commit/\(newHash)") {
-                self = .commit(url)
-            } else {
-                return nil
-            }
-        }
-        
-        private static func extractSemanticVersion(from version: String) -> String? {
-            let pattern = #"^\d+\.\d+\.\d+$"#
-            if version.range(of: pattern, options: .regularExpression) != nil {
-                return version
-            }
-            return nil
-        }
-        
-        private static func extractGitHash(from version: String) -> String? {
-            let pattern = #"[0-9a-f]{7,40}"#
-            if let range = version.range(of: pattern, options: .regularExpression) {
-                return String(version[range])
-            }
-            return nil
-        }
-        
-        var url: URL {
-            switch self {
-            case .commit(let url): return url
-            case .compareTip(let url): return url
-            case .tagged(let url): return url
-            }
-        }
-        
-        var label: String {
-            switch (self) {
-            case .commit: return "View GitHub Commit"
-            case .compareTip: return "Changes Since This Tip Release"
-            case .tagged: return "View Release Notes"
-            }
-        }
-    }
-    
-    struct Error {
-        let error: any Swift.Error
-        let retry: () -> Void
-        let dismiss: () -> Void
-    }
-    
-    struct Downloading {
-        let cancel: () -> Void
-        let expectedLength: UInt64?
-        let progress: UInt64
-    }
-    
-    struct Extracting {
-        let progress: Double
-    }
-    
-    struct ReadyToInstall {
-        let reply: @Sendable (SPUUserUpdateChoice) -> Void
-    }
-}

macos/Tests/Update/ReleaseNotesTests.swift

@@ -1,130 +0,0 @@
-import Testing
-import Foundation
-@testable import Ghostty
-
-struct ReleaseNotesTests {
-    /// Test tagged release (semantic version)
-    @Test func testTaggedRelease() async throws {
-        let notes = UpdateState.ReleaseNotes(
-            displayVersionString: "1.2.3",
-            currentCommit: nil
-        )
-        
-        #expect(notes != nil)
-        if case .tagged(let url) = notes {
-            #expect(url.absoluteString == "https://ghostty.org/docs/install/release-notes/1-2-3")
-            #expect(notes?.label == "View Release Notes")
-        } else {
-            Issue.record("Expected tagged case")
-        }
-    }
-    
-    /// Test tip release comparison with current commit
-    @Test func testTipReleaseComparison() async throws {
-        let notes = UpdateState.ReleaseNotes(
-            displayVersionString: "tip-abc1234",
-            currentCommit: "def5678"
-        )
-        
-        #expect(notes != nil)
-        if case .compareTip(let url) = notes {
-            #expect(url.absoluteString == "https://github.com/ghostty-org/ghostty/compare/def5678...abc1234")
-            #expect(notes?.label == "Changes Since This Tip Release")
-        } else {
-            Issue.record("Expected compareTip case")
-        }
-    }
-    
-    /// Test tip release without current commit
-    @Test func testTipReleaseWithoutCurrentCommit() async throws {
-        let notes = UpdateState.ReleaseNotes(
-            displayVersionString: "tip-abc1234",
-            currentCommit: nil
-        )
-        
-        #expect(notes != nil)
-        if case .commit(let url) = notes {
-            #expect(url.absoluteString == "https://github.com/ghostty-org/ghostty/commit/abc1234")
-            #expect(notes?.label == "View GitHub Commit")
-        } else {
-            Issue.record("Expected commit case")
-        }
-    }
-    
-    /// Test tip release with empty current commit
-    @Test func testTipReleaseWithEmptyCurrentCommit() async throws {
-        let notes = UpdateState.ReleaseNotes(
-            displayVersionString: "tip-abc1234",
-            currentCommit: ""
-        )
-        
-        #expect(notes != nil)
-        if case .commit(let url) = notes {
-            #expect(url.absoluteString == "https://github.com/ghostty-org/ghostty/commit/abc1234")
-        } else {
-            Issue.record("Expected commit case")
-        }
-    }
-    
-    /// Test version with full 40-character hash
-    @Test func testFullGitHash() async throws {
-        let notes = UpdateState.ReleaseNotes(
-            displayVersionString: "tip-1234567890abcdef1234567890abcdef12345678",
-            currentCommit: nil
-        )
-        
-        #expect(notes != nil)
-        if case .commit(let url) = notes {
-            #expect(url.absoluteString == "https://github.com/ghostty-org/ghostty/commit/1234567890abcdef1234567890abcdef12345678")
-        } else {
-            Issue.record("Expected commit case")
-        }
-    }
-    
-    /// Test version with no recognizable pattern
-    @Test func testInvalidVersion() async throws {
-        let notes = UpdateState.ReleaseNotes(
-            displayVersionString: "unknown-version",
-            currentCommit: nil
-        )
-        
-        #expect(notes == nil)
-    }
-    
-    /// Test semantic version with prerelease suffix should not match
-    @Test func testSemanticVersionWithSuffix() async throws {
-        let notes = UpdateState.ReleaseNotes(
-            displayVersionString: "1.2.3-beta",
-            currentCommit: nil
-        )
-        
-        // Should not match semantic version pattern, falls back to hash detection
-        #expect(notes == nil)
-    }
-    
-    /// Test semantic version with 4 components should not match
-    @Test func testSemanticVersionFourComponents() async throws {
-        let notes = UpdateState.ReleaseNotes(
-            displayVersionString: "1.2.3.4",
-            currentCommit: nil
-        )
-        
-        // Should not match pattern
-        #expect(notes == nil)
-    }
-    
-    /// Test version string with git hash embedded
-    @Test func testVersionWithEmbeddedHash() async throws {
-        let notes = UpdateState.ReleaseNotes(
-            displayVersionString: "v2024.01.15-abc1234",
-            currentCommit: "def5678"
-        )
-        
-        #expect(notes != nil)
-        if case .compareTip(let url) = notes {
-            #expect(url.absoluteString == "https://github.com/ghostty-org/ghostty/compare/def5678...abc1234")
-        } else {
-            Issue.record("Expected compareTip case")
-        }
-    }
-}

src/build/Config.zig

@@ -16,13 +16,6 @@ const expandPath = @import("../os/path.zig").expand;
 const gtk = @import("gtk.zig");
 const GitVersion = @import("GitVersion.zig");
 
-/// The version of the next release.
-///
-/// TODO: When Zig 0.14 is released, derive this from build.zig.zon directly.
-/// Until then this MUST match build.zig.zon and should always be the
-/// _next_ version to release.
-const app_version: std.SemanticVersion = .{ .major = 1, .minor = 2, .patch = 1 };
-
 /// Standard build configuration options.
 optimize: std.builtin.OptimizeMode,
 target: std.Build.ResolvedTarget,
@@ -69,7 +62,7 @@ emit_unicode_table_gen: bool = false,
 /// Environmental properties
 env: std.process.EnvMap,
 
-pub fn init(b: *std.Build) !Config {
+pub fn init(b: *std.Build, appVersion: []const u8) !Config {
     // Setup our standard Zig target and optimize options, i.e.
     // `-Doptimize` and `-Dtarget`.
     const optimize = b.standardOptimizeOption(.{});
@@ -217,6 +210,7 @@ pub fn init(b: *std.Build) !Config {
         // If an explicit version is given, we always use it.
         try std.SemanticVersion.parse(v)
     else version: {
+        const app_version = try std.SemanticVersion.parse(appVersion);
         // If no explicit version is given, we try to detect it from git.
         const vsn = GitVersion.detect(b) catch |err| switch (err) {
             // If Git isn't available we just make an unknown dev version.

src/build/docker/debian/Dockerfile

@@ -24,12 +24,12 @@ RUN DEBIAN_FRONTEND="noninteractive" apt-get -qq update && \
 
 WORKDIR /src
 
-COPY ./build.zig /src
+COPY ./build.zig ./build.zig.zon /src/
 
 # Install zig
 # https://ziglang.org/download/
 
-RUN export ZIG_VERSION=$(sed -n -e 's/^.*requireZig("\(.*\)").*$/\1/p' build.zig) && curl -L -o /tmp/zig.tar.xz "https://ziglang.org/download/$ZIG_VERSION/zig-$(uname -m)-linux-$ZIG_VERSION.tar.xz" && \
+RUN export ZIG_VERSION=$(sed -n -E 's/^\s*\.?minimum_zig_version\s*=\s*"([^"]+)".*/\1/p' build.zig.zon) && curl -L -o /tmp/zig.tar.xz "https://ziglang.org/download/$ZIG_VERSION/zig-$(uname -m)-linux-$ZIG_VERSION.tar.xz" && \
     tar -xf /tmp/zig.tar.xz -C /opt && \
     rm /tmp/zig.tar.xz && \
     ln -s "/opt/zig-$(uname -m)-linux-$ZIG_VERSION/zig" /usr/local/bin/zig
@@ -41,4 +41,3 @@ RUN zig build \
     -Dcpu=baseline
 
 RUN ./zig-out/bin/ghostty +version
-