CHANGELOG.md

@@ -1,28 +1,5 @@
 # Changelog
 
-## 2024.5 (139)
-Bugfixes:
-- Fix error decoding certain posts
-
-## 2024.5 (138)
-Bugfixes:
-- Fix potential crash when displaying certain attachments
-- Fix potential crash due to race condition when opening push notification in app
-- Fix misaligned text between profile field values/labels
-- Fix rate limited error message not including reset timestamp
-- iPadOS/macOS: Fix Cmd+R shortcut not working
-
-## 2024.5 (137)
-Features/Improvements:
-- Improve gallery presentation/dismissal transitions
-
-Bugfixes:
-- Account for bidirectional text in display names
-- Fix crash when playing back gifv
-- Fix gallery controls not hiding if video loading fails
-- iPadOS: Fix incorrect gallery dismiss animation on non-fullscreen windows
-- iPadOS: Fix hang when switching accounts
-
 ## 2024.4 (136)
 Features/Improvements:
 - Import image description when adding attachments from Photos if possible

NotificationExtension/NotificationService.swift

@@ -14,6 +14,7 @@ import OSLog
 import Pachyderm
 import Intents
 import HTMLStreamer
+import WebURL
 import UIKit
 import TuskerPreferences
 
@@ -237,7 +238,8 @@ class NotificationService: UNNotificationServiceExtension {
             for match in emojiRegex.matches(in: content.body, range: NSRange(location: 0, length: content.body.utf16.count)).reversed() {
                 let emojiName = (content.body as NSString).substring(with: match.range(at: 1))
                 guard let emoji = notification.status?.emojis.first(where: { $0.shortcode == emojiName }),
-                      let (data, _) = try? await URLSession.shared.data(from: emoji.url),
+                      let url = URL(emoji.url),
+                      let (data, _) = try? await URLSession.shared.data(from: url),
                       let image = UIImage(data: data) else {
                     continue
                 }
@@ -366,7 +368,18 @@ private func decodeBase64URL(_ s: String) -> Data? {
 // copied from HTMLConverter.Callbacks, blergh
 private struct HTMLCallbacks: HTMLConversionCallbacks {
     static func makeURL(string: String) -> URL? {
-        try? URL.ParseStrategy().parse(string)
+        // Converting WebURL to URL is a small but non-trivial expense (since it works by
+        // serializing the WebURL as a string and then having Foundation parse it again),
+        // so, if available, use the system parser which doesn't require another round trip.
+        if #available(iOS 16.0, macOS 13.0, *),
+           let url = try? URL.ParseStrategy().parse(string) {
+            url
+        } else if let web = WebURL(string),
+                  let url = URL(web) {
+            url
+        } else {
+            URL(string: string)
+        }
     }
     
     static func elementAction(name: String, attributes: [Attribute]) -> ElementAction {

Packages/ComposeUI/Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version: 6.0
+// swift-tools-version: 5.7
 // The swift-tools-version declares the minimum version of Swift required to build this package.
 
 import PackageDescription
@@ -6,7 +6,7 @@ import PackageDescription
 let package = Package(
     name: "ComposeUI",
     platforms: [
-        .iOS(.v16),
+        .iOS(.v15),
     ],
     products: [
         // Products define the executables and libraries a package produces, and make them visible to other packages.
@@ -26,15 +26,9 @@ let package = Package(
         // Targets can depend on other targets in this package, and on products in packages this package depends on.
         .target(
             name: "ComposeUI",
-            dependencies: ["Pachyderm", "InstanceFeatures", "TuskerComponents", "MatchedGeometryPresentation"],
-            swiftSettings: [
-                .swiftLanguageMode(.v5)
-            ]),
+            dependencies: ["Pachyderm", "InstanceFeatures", "TuskerComponents", "MatchedGeometryPresentation"]),
         .testTarget(
             name: "ComposeUITests",
-            dependencies: ["ComposeUI"],
-            swiftSettings: [
-                .swiftLanguageMode(.v5)
-            ]),
+            dependencies: ["ComposeUI"]),
     ]
 )

Packages/ComposeUI/Sources/ComposeUI/Controllers/AttachmentRowController.swift

@@ -156,7 +156,7 @@ class AttachmentRowController: ViewController {
                         Button(role: .destructive, action: controller.removeAttachment) {
                             Label("Delete", systemImage: "trash")
                         }
-                    } preview: {
+                    } previewIfAvailable: {
                         ControllerView(controller: { controller.thumbnailController })
                     }
                 
@@ -221,3 +221,16 @@ extension AttachmentRowController {
         case allowEntry, recognizingText
     }
 }
+
+private extension View {
+    @available(iOS, obsoleted: 16.0)
+    @available(visionOS 1.0, *)
+    @ViewBuilder
+    func contextMenu<M: View, P: View>(@ViewBuilder menuItems: () -> M, @ViewBuilder previewIfAvailable preview: () -> P) -> some View {
+        if #available(iOS 16.0, *) {
+            self.contextMenu(menuItems: menuItems, preview: preview)
+        } else {
+            self.contextMenu(menuItems: menuItems)
+        }
+    }
+}

Packages/ComposeUI/Sources/ComposeUI/Controllers/AttachmentsListController.swift

@@ -214,6 +214,44 @@ fileprivate extension View {
             self
         }
     }
+    
+    @available(iOS, obsoleted: 16.0)
+    @ViewBuilder
+    func sheetOrPopover(isPresented: Binding<Bool>, @ViewBuilder content: @escaping () -> some View) -> some View {
+        if #available(iOS 16.0, *) {
+            self.modifier(SheetOrPopover(isPresented: isPresented, view: content))
+        } else {
+            self.popover(isPresented: isPresented, content: content)
+        }
+    }
+    
+    @available(iOS, obsoleted: 16.0)
+    @ViewBuilder
+    func withSheetDetentsIfAvailable() -> some View {
+        if #available(iOS 16.0, *) {
+            self
+                .presentationDetents([.medium, .large])
+                .presentationDragIndicator(.visible)
+        } else {
+            self
+        }
+    }
+}
+
+@available(iOS 16.0, *)
+fileprivate struct SheetOrPopover<V: View>: ViewModifier {
+    @Binding var isPresented: Bool
+    @ViewBuilder let view: () -> V
+    
+    @Environment(\.horizontalSizeClass) var sizeClass
+    
+    func body(content: Content) -> some View {
+        if sizeClass == .compact {
+            content.sheet(isPresented: $isPresented, content: view)
+        } else {
+            content.popover(isPresented: $isPresented, content: view)
+        }
+    }
 }
 
 @available(visionOS 1.0, *)

Packages/ComposeUI/Sources/ComposeUI/Controllers/ComposeController.swift

@@ -125,7 +125,9 @@ public final class ComposeController: ViewController {
         self.toolbarController = ToolbarController(parent: self)
         self.attachmentsListController = AttachmentsListController(parent: self)
         
-        NotificationCenter.default.addObserver(self, selector: #selector(currentInputModeChanged), name: UITextInputMode.currentInputModeDidChangeNotification, object: nil)
+        if #available(iOS 16.0, *) {
+            NotificationCenter.default.addObserver(self, selector: #selector(currentInputModeChanged), name: UITextInputMode.currentInputModeDidChangeNotification, object: nil)
+        }
         NotificationCenter.default.addObserver(self, selector: #selector(managedObjectsDidChange), name: .NSManagedObjectContextObjectsDidChange, object: DraftsPersistentContainer.shared.viewContext)
     }
     
@@ -322,6 +324,10 @@ public final class ComposeController: ViewController {
                         ControllerView(controller: { controller.toolbarController })
                         #endif
                     }
+                    #if !os(visionOS)
+                    // on iPadOS15, the toolbar ends up below the keyboard's toolbar without this
+                    .padding(.bottom, keyboardInset)
+                    #endif
                     .transition(.move(edge: .bottom))
                 }
             }
@@ -430,7 +436,7 @@ public final class ComposeController: ViewController {
             }
             .listStyle(.plain)
             #if !os(visionOS)
-            .scrollDismissesKeyboard(.interactively)
+            .scrollDismissesKeyboardInteractivelyIfAvailable()
             #endif
             .disabled(controller.isPosting)
         }
@@ -481,6 +487,31 @@ public final class ComposeController: ViewController {
             .keyboardShortcut(.return, modifiers: .command)
             .disabled(!controller.postButtonEnabled)
         }
+        
+        #if !os(visionOS)
+        @available(iOS, obsoleted: 16.0)
+        private var keyboardInset: CGFloat {
+            if #unavailable(iOS 16.0),
+               UIDevice.current.userInterfaceIdiom == .pad,
+               keyboardReader.isVisible {
+                return ToolbarController.height
+            } else {
+                return 0
+            }
+        }
+        #endif
+    }
+}
+
+private extension View {
+    @available(iOS, obsoleted: 16.0)
+    @ViewBuilder
+    func scrollDismissesKeyboardInteractivelyIfAvailable() -> some View {
+        if #available(iOS 16.0, *) {
+            self.scrollDismissesKeyboard(.interactively)
+        } else {
+            self
+        }
     }
 }
 

Packages/ComposeUI/Sources/ComposeUI/Controllers/FocusedAttachmentController.swift

@@ -51,11 +51,14 @@ class FocusedAttachmentController: ViewController {
                         .onAppear {
                             player.play()
                         }
-                } else {
+                } else if #available(iOS 16.0, *) {
                     ZoomableScrollView {
                         attachmentView
                             .matchedGeometryDestination(id: attachment.id)
                     }
+                } else {
+                    attachmentView
+                        .matchedGeometryDestination(id: attachment.id)
                 }
                 
                 Spacer(minLength: 0)

Packages/ComposeUI/Sources/ComposeUI/Controllers/PollController.swift

@@ -96,7 +96,7 @@ class PollController: ViewController {
                     .onMove(perform: controller.moveOptions)
                 }
                 .listStyle(.plain)
-                .scrollDisabled(true)
+                .scrollDisabledIfAvailable(true)
                 .frame(height: 44 * CGFloat(poll.options.count))
                 
                 Button(action: controller.addOption) {

Packages/ComposeUI/Sources/ComposeUI/Controllers/ToolbarController.swift

@@ -66,7 +66,7 @@ class ToolbarController: ViewController {
                             }
                     })
             }
-            .scrollDisabled(realWidth ?? 0 <= minWidth ?? 0)
+            .scrollDisabledIfAvailable(realWidth ?? 0 <= minWidth ?? 0)
             .frame(height: ToolbarController.height)
             .frame(maxWidth: .infinity)
             .background(.regularMaterial, ignoresSafeAreaEdges: [.bottom, .leading, .trailing])
@@ -122,7 +122,8 @@ class ToolbarController: ViewController {
                 
                 Spacer()
                 
-                if composeController.mastodonController.instanceFeatures.createStatusWithLanguage {
+                if #available(iOS 16.0, *),
+                   composeController.mastodonController.instanceFeatures.createStatusWithLanguage {
                     LanguagePicker(draftLanguage: $draft.language, hasChangedSelection: $composeController.hasChangedLanguageSelection)
                 }
             }

Packages/ComposeUI/Sources/ComposeUI/KeyboardReader.swift

@@ -10,6 +10,7 @@
 import UIKit
 import Combine
 
+@available(iOS, obsoleted: 16.0)
 class KeyboardReader: ObservableObject {
 //    @Published var isVisible = false
     @Published var keyboardHeight: CGFloat = 0

Packages/ComposeUI/Sources/ComposeUI/View+ForwardsCompat.swift

@@ -0,0 +1,26 @@
+//
+//  View+ForwardsCompat.swift
+//  ComposeUI
+//
+//  Created by Shadowfacts on 3/25/23.
+//
+
+import SwiftUI
+
+extension View {
+    #if os(visionOS)
+    func scrollDisabledIfAvailable(_ disabled: Bool) -> some View {
+        self.scrollDisabled(disabled)
+    }
+    #else
+    @available(iOS, obsoleted: 16.0)
+    @ViewBuilder
+    func scrollDisabledIfAvailable(_ disabled: Bool) -> some View {
+        if #available(iOS 16.0, *) {
+            self.scrollDisabled(disabled)
+        } else {
+            self
+        }
+    }
+    #endif
+}

Packages/Duckable/Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version: 6.0
+// swift-tools-version: 5.7
 // The swift-tools-version declares the minimum version of Swift required to build this package.
 
 import PackageDescription
@@ -6,7 +6,7 @@ import PackageDescription
 let package = Package(
     name: "Duckable",
     platforms: [
-        .iOS(.v16),
+        .iOS(.v15),
     ],
     products: [
         // Products define the executables and libraries a package produces, and make them visible to other packages.
@@ -23,10 +23,7 @@ let package = Package(
         // Targets can depend on other targets in this package, and on products in packages this package depends on.
         .target(
             name: "Duckable",
-            dependencies: [],
-            swiftSettings: [
-                .swiftLanguageMode(.v5)
-            ]),
+            dependencies: []),
 //        .testTarget(
 //            name: "DuckableTests",
 //            dependencies: ["Duckable"]),

Packages/GalleryVC/Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version: 6.0
+// swift-tools-version: 5.10
 // The swift-tools-version declares the minimum version of Swift required to build this package.
 
 import PackageDescription
@@ -6,7 +6,7 @@ import PackageDescription
 let package = Package(
     name: "GalleryVC",
     platforms: [
-        .iOS(.v16),
+        .iOS(.v15),
     ],
     products: [
         // Products define the executables and libraries a package produces, making them visible to other packages.
@@ -14,23 +14,13 @@ let package = Package(
             name: "GalleryVC",
             targets: ["GalleryVC"]),
     ],
-    dependencies: [
-        .package(path: "../TuskerComponents"),
-    ],
     targets: [
         // Targets are the basic building blocks of a package, defining a module or a test suite.
         // Targets can depend on other targets in this package and products from dependencies.
         .target(
-            name: "GalleryVC",
-            dependencies: ["TuskerComponents"],
-            swiftSettings: [
-                .swiftLanguageMode(.v5)
-            ]),
+            name: "GalleryVC"),
         .testTarget(
             name: "GalleryVCTests",
-            dependencies: ["GalleryVC"],
-            swiftSettings: [
-                .swiftLanguageMode(.v5)
-            ]),
+            dependencies: ["GalleryVC"]),
     ]
 )

Packages/GalleryVC/Sources/GalleryVC/GalleryContentViewController.swift

@@ -15,7 +15,7 @@ public protocol GalleryContentViewController: UIViewController {
     var caption: String? { get }
     var contentOverlayAccessoryViewController: UIViewController? { get }
     var bottomControlsAccessoryViewController: UIViewController? { get }
-    var presentationAnimation: GalleryContentPresentationAnimation { get }
+    var canAnimateFromSourceView: Bool { get }
     
     func setControlsVisible(_ visible: Bool, animated: Bool, dueToUserInteraction: Bool)
     func galleryContentDidAppear()
@@ -31,8 +31,8 @@ public extension GalleryContentViewController {
         nil
     }
     
-    var presentationAnimation: GalleryContentPresentationAnimation {
-        .fromSourceView
+    var canAnimateFromSourceView: Bool {
+        true
     }
     
     func setControlsVisible(_ visible: Bool, animated: Bool, dueToUserInteraction: Bool) {
@@ -44,9 +44,3 @@ public extension GalleryContentViewController {
     func galleryContentWillDisappear() {
     }
 }
-
-public enum GalleryContentPresentationAnimation {
-    case fade
-    case fromSourceView
-    case fromSourceViewWithoutSnapshot
-}

Packages/GalleryVC/Sources/GalleryVC/GalleryDismissAnimationController.swift

@@ -30,37 +30,12 @@ class GalleryDismissAnimationController: NSObject, UIViewControllerAnimatedTrans
         
         let itemViewController = from.currentItemViewController
         
-        if itemViewController.content.presentationAnimation == .fade || (UIAccessibility.prefersCrossFadeTransitions && interactiveVelocity == nil) {
+        if !itemViewController.content.canAnimateFromSourceView || (UIAccessibility.prefersCrossFadeTransitions && interactiveVelocity == nil) {
             animateCrossFadeTransition(using: transitionContext)
             return
         }
         
         let container = transitionContext.containerView
-
-        // Moving `to.view` to the container is necessary when the presenting VC (i.e., `to`)
-        // is in the window's root presentation.
-        // But it breaks when the gallery is presented from a sheet-presented VC--in which case
-        // `to.view` is already in the view hierarchy at this point; and adding it to the
-        // container causees it to be removed when the transition completes.
-        if to.view.superview == nil {
-            to.view.frame = container.bounds
-            container.addSubview(to.view)
-        }
-        
-        let sourceSnapshot: UIView? = if itemViewController.content.presentationAnimation == .fromSourceViewWithoutSnapshot {
-            nil
-        } else {
-            sourceView.snapshotView(afterScreenUpdates: false)
-        }
-        if let sourceSnapshot {
-            let snapshotContainer = sourceView.ancestorForInsertingSnapshot
-            snapshotContainer.addSubview(sourceSnapshot)
-            let sourceFrameInShapshotContainer = snapshotContainer.convert(sourceView.bounds, from: sourceView)
-            sourceSnapshot.frame = sourceFrameInShapshotContainer
-            sourceSnapshot.layer.opacity = 1
-            self.sourceView.layer.opacity = 0
-        }
-
         let sourceFrameInContainer = container.convert(sourceView.bounds, from: sourceView)
         let destFrameInContainer = container.convert(itemViewController.content.view.bounds, from: itemViewController.content.view)
         
@@ -73,39 +48,38 @@ class GalleryDismissAnimationController: NSObject, UIViewControllerAnimatedTrans
                 .translatedBy(x: destFrameInContainer.midX - sourceFrameInContainer.midX, y: destFrameInContainer.midY - sourceFrameInContainer.midY)
                 .scaledBy(x: scale, y: scale)
             sourceView.transform = sourceToDestTransform
-            sourceSnapshot?.transform = sourceToDestTransform
         } else {
             appliedSourceToDestTransform = false
         }
         
+        // Moving `to.view` to the container is necessary when the presenting VC (i.e., `to`)
+        // is in the window's root presentation.
+        // But it breaks when the gallery is presented from a sheet-presented VC--in which case
+        // `to.view` is already in the view hierarchy at this point; and adding it to the
+        // container causees it to be removed when the transition completes.
+        if to.view.superview == nil {
+            to.view.frame = container.bounds
+            container.addSubview(to.view)
+        }
+        
         from.view.frame = container.bounds
         container.addSubview(from.view)
-        
-        let contentContainer = UIView()
-        contentContainer.layer.masksToBounds = true
-        contentContainer.frame = destFrameInContainer
-        container.addSubview(contentContainer)
-        
+
         let content = itemViewController.takeContent()
         content.view.translatesAutoresizingMaskIntoConstraints = true
-        content.view.transform = .identity
-        content.view.layer.opacity = 1
-        content.view.frame = contentContainer.bounds
-        contentContainer.addSubview(content.view)
-
-        container.layoutIfNeeded()
+        content.view.layer.masksToBounds = true
+        container.addSubview(content.view)
         
-        // Hide overlaid controls immediately, to prevent the Live Text button's position
-        // getting caught up in the rest of the animation.
-        UIView.animate(withDuration: 0.1) {
-            content.setControlsVisible(false, animated: false, dueToUserInteraction: false)
-        }
+        content.view.frame = destFrameInContainer
+        content.view.layer.opacity = 1
+        
+        container.layoutIfNeeded()
         
         let duration = self.transitionDuration(using: transitionContext)
         var initialVelocity: CGVector
         if let interactiveVelocity,
            let interactiveTranslation,
-           // very short/fast flicks don't transfer their velocity, since it makes size change animation look wacky due to the spring's initial undershoot
+           // very short/fast flicks don't transfer their velocity, since it makes size change animation look wacky due to the springs initial undershoot
            sqrt(pow(interactiveTranslation.x, 2) + pow(interactiveTranslation.y, 2)) > 100,
            sqrt(pow(interactiveVelocity.x, 2) + pow(interactiveVelocity.y, 2)) < 2000 {
             let xDistance = sourceFrameInContainer.midX - destFrameInContainer.midX
@@ -128,34 +102,14 @@ class GalleryDismissAnimationController: NSObject, UIViewControllerAnimatedTrans
             
             if appliedSourceToDestTransform {
                 self.sourceView.transform = origSourceTransform
-                sourceSnapshot?.transform = origSourceTransform
             }
-            
-            contentContainer.frame = sourceFrameInContainer
-            // Using sourceSizeWithDestAspectRatioCenteredInContentContainer does not seem to be necessary here.
-            // I guess autoresizing takes care of it?
+            content.view.frame = sourceFrameInContainer
+            content.view.layer.opacity = 0
             
             itemViewController.setControlsVisible(false, animated: false, dueToUserInteraction: false)
         }
         
-        // Delay fading out the content because if it's still big while it's semi-transparent,
-        // seeing the stuff behind it looks odd.
-        animator.addAnimations({
-            content.view.layer.opacity = 0
-        }, delayFactor: 0.35)
-        
-        if let sourceSnapshot {
-            animator.addAnimations({
-                self.sourceView.layer.opacity = 1
-                sourceSnapshot.layer.opacity = 0
-            }, delayFactor: 0.5)
-        }
-        
         animator.addCompletion { _ in
-            sourceSnapshot?.removeFromSuperview()
-            
-            // Having dismissed, we don't need to undo any of the changes to the content VC.
-            
             transitionContext.completeTransition(true)
         }
         

Packages/GalleryVC/Sources/GalleryVC/GalleryDismissInteraction.swift

@@ -20,8 +20,6 @@ class GalleryDismissInteraction: NSObject {
     private(set) var dismissVelocity: CGPoint?
     private(set) var dismissTranslation: CGPoint?
     
-    private var cancelAnimator: UIViewPropertyAnimator?
-    
     init(viewController: GalleryViewController) {
         self.viewController = viewController
         super.init()
@@ -40,8 +38,6 @@ class GalleryDismissInteraction: NSObject {
             content = viewController.currentItemViewController.takeContent()
             content!.view.translatesAutoresizingMaskIntoConstraints = true
             content!.view.frame = origContentFrameInGallery!
-            // Make sure the context remains behind the controls
-            content!.view.layer.zPosition = -1000
             viewController.view.addSubview(content!.view)
             
             origControlsVisible = viewController.currentItemViewController.controlsVisible
@@ -57,42 +53,12 @@ class GalleryDismissInteraction: NSObject {
             let translation = recognizer.translation(in: viewController.view)
             let velocity = recognizer.velocity(in: viewController.view)
             
-            let translationMagnitude = sqrt(translation.x.magnitudeSquared + translation.y.magnitudeSquared)
-            let velocityMagnitude = sqrt(velocity.x.magnitudeSquared + velocity.y.magnitudeSquared)
-            
-            if translationMagnitude < 150 && velocityMagnitude < 500 {
-                isActive = false
-                
-                cancelAnimator?.stopAnimation(true)
-                
-                let spring = UISpringTimingParameters(mass: 1, stiffness: 439, damping: 42, initialVelocity: .zero)
-                cancelAnimator = UIViewPropertyAnimator(duration: 0.2, timingParameters: spring)
-                cancelAnimator!.addAnimations {
-                    self.content!.view.frame = self.origContentFrameInGallery!
-                    self.viewController.currentItemViewController.setControlsVisible(self.origControlsVisible!, animated: false, dueToUserInteraction: false)
-                }
-                cancelAnimator!.addCompletion { _ in
-                    guard !self.isActive else {
-                        // bail in case the animation finishing raced with the user's interaction
-                        return
-                    }
-                    self.content!.view.layer.zPosition = 0
-                    self.content!.view.removeFromSuperview()
-                    self.viewController.currentItemViewController.addContent()
-                    self.content = nil
-                    self.origContentFrameInGallery = nil
-                    self.origControlsVisible = nil
-                }
-                cancelAnimator!.startAnimation()
+            dismissVelocity = velocity
+            dismissTranslation = translation
+            viewController.dismiss(animated: true)
 
-            } else {
-                dismissVelocity = velocity
-                dismissTranslation = translation
-                viewController.dismiss(animated: true)
-                
-                // don't unset this until after dismiss is called, so that the dismiss animation controller can read it
-                isActive = false
-            }
+            // don't unset this until after dismiss is called, so that the dismiss animation controller can read it
+            isActive = false
             
         default:
             break

Packages/GalleryVC/Sources/GalleryVC/GalleryItemViewController.swift

@@ -69,10 +69,6 @@ class GalleryItemViewController: UIViewController {
         scrollView = UIScrollView()
         scrollView.translatesAutoresizingMaskIntoConstraints = false
         scrollView.delegate = self
-        // We calculate zoom/position ignoring the safe area, so content insets need to not incorporate it either.
-        // Otherwise, content that fills the screen (extending into the safe area) may still end up scrollable
-        // (this is readily observable with tall images on a landscape iPad).
-        scrollView.contentInsetAdjustmentBehavior = .never
         
         view.addSubview(scrollView)
         

Packages/GalleryVC/Sources/GalleryVC/GalleryPresentationAnimationController.swift

@@ -25,31 +25,11 @@ class GalleryPresentationAnimationController: NSObject, UIViewControllerAnimated
         
         let itemViewController = to.currentItemViewController
 
-        if itemViewController.content.presentationAnimation == .fade || UIAccessibility.prefersCrossFadeTransitions {
+        if !itemViewController.content.canAnimateFromSourceView || UIAccessibility.prefersCrossFadeTransitions {
             animateCrossFadeTransition(using: transitionContext)
             return
         }
         
-        // Try to effectively "fade out" anything that's on top of the source view.
-        // The 0.1 duration makes this happen faster than the rest of the animation,
-        // and so less noticeable.
-        let sourceSnapshot: UIView? = if itemViewController.content.presentationAnimation == .fromSourceViewWithoutSnapshot {
-            nil
-        } else {
-            sourceView.snapshotView(afterScreenUpdates: false)
-        }
-        if let sourceSnapshot {
-            let snapshotContainer = sourceView.ancestorForInsertingSnapshot
-            snapshotContainer.addSubview(sourceSnapshot)
-            let sourceFrameInShapshotContainer = snapshotContainer.convert(sourceView.bounds, from: sourceView)
-            sourceSnapshot.frame = sourceFrameInShapshotContainer
-            sourceSnapshot.transform = sourceView.transform
-            sourceSnapshot.layer.opacity = 0
-            UIView.animate(withDuration: 0.1) {
-                sourceSnapshot.layer.opacity = 1
-            }
-        }
-        
         let container = transitionContext.containerView
         to.view.frame = container.bounds
         container.addSubview(to.view)
@@ -76,70 +56,21 @@ class GalleryPresentationAnimationController: NSObject, UIViewControllerAnimated
             sourceToDestTransform = nil
         }
         
-        // Grab these before taking the content out and changing the transform.
-        let origContentTransform = itemViewController.content.view.transform
-        let origContentFrame = itemViewController.content.view.frame
-        
-        // The content container provides the clipping for the content view,
-        // which, in case the source/dest aspect ratios don't match, makes
-        // it look like the content is expanding out from the source rect.
-        let contentContainer = UIView()
-        contentContainer.layer.masksToBounds = true
-        container.insertSubview(contentContainer, belowSubview: to.view)
         let content = itemViewController.takeContent()
         content.view.translatesAutoresizingMaskIntoConstraints = true
-        content.view.transform = .identity
-        // The fade-in makes the aspect ratio handling look a little bit worse,
-        // but papers over the z-index change and potential corner radius change.
-        content.view.layer.opacity = 0
-        contentContainer.addSubview(content.view)
+        container.insertSubview(content.view, belowSubview: to.view)
 
         // Use a separate dimming view from to.view, so that the gallery controls can be in front of the moving content.
         let dimmingView = UIView()
         dimmingView.backgroundColor = .black
         dimmingView.frame = container.bounds
         dimmingView.layer.opacity = 0
-        container.insertSubview(dimmingView, belowSubview: contentContainer)
+        container.insertSubview(dimmingView, belowSubview: content.view)
 
         to.view.backgroundColor = nil
         to.view.layer.opacity = 0
-        
-        contentContainer.frame = sourceFrameInContainer
-        
-        let sourceAspectRatio: CGFloat = if sourceFrameInContainer.height > 0 {
-            sourceFrameInContainer.width / sourceFrameInContainer.height
-        } else {
-            0
-        }
-        let destAspectRatio: CGFloat = if destFrameInContainer.height > 0 {
-            destFrameInContainer.width / destFrameInContainer.height
-        } else {
-            0
-        }
-        let sourceSizeWithDestAspectRatioCenteredInContentContainer: CGRect
-        if 0.001 < abs(sourceAspectRatio - destAspectRatio) {
-            // asepct ratios are effectively equal
-            sourceSizeWithDestAspectRatioCenteredInContentContainer = CGRect(origin: .zero, size: sourceFrameInContainer.size)
-        } else if sourceAspectRatio < destAspectRatio {
-            // source aspect ratio is narrow/taller than dest
-            let width = sourceFrameInContainer.height * destAspectRatio
-            sourceSizeWithDestAspectRatioCenteredInContentContainer = CGRect(
-                x: -(width - sourceFrameInContainer.width) / 2,
-                y: 0,
-                width: width,
-                height: sourceFrameInContainer.height
-            )
-        } else {
-            // source aspect ratio is wider/shorter than dest
-            let height = sourceFrameInContainer.width / destAspectRatio
-            sourceSizeWithDestAspectRatioCenteredInContentContainer = CGRect(
-                x: 0,
-                y: -(height - sourceFrameInContainer.height) / 2,
-                width: sourceFrameInContainer.width,
-                height: height
-            )
-        }
-        content.view.frame = sourceSizeWithDestAspectRatioCenteredInContentContainer
+        content.view.frame = sourceFrameInContainer
+        content.view.layer.opacity = 0
         
         container.layoutIfNeeded()
         
@@ -147,14 +78,8 @@ class GalleryPresentationAnimationController: NSObject, UIViewControllerAnimated
         itemViewController.setControlsVisible(false, animated: false, dueToUserInteraction: false)
 
         let duration = self.transitionDuration(using: transitionContext)
-        // less bounce on bigger screens
-        let spring = if UIDevice.current.userInterfaceIdiom == .pad {
-            // roughly equivalent to duration: 0.35, bounce: 0.2
-            UISpringTimingParameters(mass: 1, stiffness: 322, damping: 28, initialVelocity: .zero)
-        } else {
-            // roughly equivalent to duration: 0.35, bounce: 0.3
-            UISpringTimingParameters(mass: 1, stiffness: 322, damping: 25, initialVelocity: .zero)
-        }
+        // rougly equivalent to duration: 0.35, bounce: 0.3
+        let spring = UISpringTimingParameters(mass: 1, stiffness: 322, damping: 25, initialVelocity: .zero)
         let animator = UIViewPropertyAnimator(duration: duration, timingParameters: spring)
         
         animator.addAnimations {
@@ -162,35 +87,25 @@ class GalleryPresentationAnimationController: NSObject, UIViewControllerAnimated
             
             to.view.layer.opacity = 1
             
-            contentContainer.frame = destFrameInContainer
-            content.view.frame = contentContainer.bounds
+            content.view.frame = destFrameInContainer
             content.view.layer.opacity = 1
-
+            
             itemViewController.setControlsVisible(true, animated: false, dueToUserInteraction: false)
 
             if let sourceToDestTransform {
-                sourceSnapshot?.transform = sourceToDestTransform
                 self.sourceView.transform = sourceToDestTransform
             }
         }
         
         animator.addCompletion { _ in
-            sourceSnapshot?.removeFromSuperview()
-            self.sourceView.layer.opacity = 1
-            if sourceToDestTransform != nil {
-                self.sourceView.transform = origSourceTransform
-            }
-
-            contentContainer.removeFromSuperview()
             dimmingView.removeFromSuperview()
             
             to.view.backgroundColor = .black
             
-            // Reset the properties we changed before re-adding the content to the scroll view.
-            // (I would expect UIScrollView to effectively do this itself, but w/e.)
-            content.view.transform = origContentTransform
-            content.view.frame = origContentFrame
-
+            if sourceToDestTransform != nil {
+                self.sourceView.transform = origSourceTransform
+            }
+            
             itemViewController.addContent()
             
             transitionContext.completeTransition(true)

Packages/GalleryVC/Sources/GalleryVC/UIView+Utilities.swift

@@ -1,26 +0,0 @@
-//
-//  UIView+Utilities.swift
-//  GalleryVC
-//
-//  Created by Shadowfacts on 11/24/24.
-//
-
-import UIKit
-
-extension UIView {
-    
-    var ancestorForInsertingSnapshot: UIView {
-        var view = self
-        while let superview = view.superview {
-            if superview.layer.masksToBounds {
-                return superview
-            } else if superview is UIScrollView {
-                return self
-            } else {
-                view = superview
-            }
-        }
-        return view
-    }
-    
-}

Packages/InstanceFeatures/Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version: 6.0
+// swift-tools-version: 5.7
 // The swift-tools-version declares the minimum version of Swift required to build this package.
 
 import PackageDescription
@@ -6,7 +6,7 @@ import PackageDescription
 let package = Package(
     name: "InstanceFeatures",
     platforms: [
-        .iOS(.v16),
+        .iOS(.v15),
     ],
     products: [
         // Products define the executables and libraries a package produces, and make them visible to other packages.
@@ -23,15 +23,9 @@ let package = Package(
         // Targets can depend on other targets in this package, and on products in packages this package depends on.
         .target(
             name: "InstanceFeatures",
-            dependencies: ["Pachyderm"],
-            swiftSettings: [
-                .swiftLanguageMode(.v5)
-            ]),
+            dependencies: ["Pachyderm"]),
         .testTarget(
             name: "InstanceFeaturesTests",
-            dependencies: ["InstanceFeatures"],
-            swiftSettings: [
-                .swiftLanguageMode(.v5)
-            ]),
+            dependencies: ["InstanceFeatures"]),
     ]
 )

Packages/MatchedGeometryPresentation/Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version: 6.0
+// swift-tools-version: 5.8
 // The swift-tools-version declares the minimum version of Swift required to build this package.
 
 import PackageDescription
@@ -6,7 +6,7 @@ import PackageDescription
 let package = Package(
     name: "MatchedGeometryPresentation",
     platforms: [
-        .iOS(.v16),
+        .iOS(.v15),
     ],
     products: [
         // Products define the executables and libraries a package produces, making them visible to other packages.
@@ -18,10 +18,7 @@ let package = Package(
         // Targets are the basic building blocks of a package, defining a module or a test suite.
         // Targets can depend on other targets in this package and products from dependencies.
         .target(
-            name: "MatchedGeometryPresentation",
-            swiftSettings: [
-                .swiftLanguageMode(.v5)
-            ]),
+            name: "MatchedGeometryPresentation"),
         // .testTarget(
         //     name: "MatchedGeometryPresentationTests",
         //     dependencies: ["MatchedGeometryPresentation"]),

Packages/Pachyderm/Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version: 6.0
+// swift-tools-version: 5.6
 // The swift-tools-version declares the minimum version of Swift required to build this package.
 
 import PackageDescription
@@ -6,8 +6,7 @@ import PackageDescription
 let package = Package(
     name: "Pachyderm",
     platforms: [
-        .iOS(.v16),
-        .macOS(.v13),
+        .iOS(.v15),
     ],
     products: [
         // Products define the executables and libraries a package produces, and make them visible to other packages.
@@ -17,6 +16,7 @@ let package = Package(
     ],
     dependencies: [
         // Dependencies declare other packages that this package depends on.
+        .package(url: "https://github.com/karwa/swift-url.git", exact: "0.4.2"),
     ],
     targets: [
         // Targets are the basic building blocks of a package. A target can define a module or a test suite.
@@ -24,15 +24,11 @@ let package = Package(
         .target(
             name: "Pachyderm",
             dependencies: [
-            ],
-            swiftSettings: [
-                .swiftLanguageMode(.v5)
+                .product(name: "WebURL", package: "swift-url"),
+                .product(name: "WebURLFoundationExtras", package: "swift-url"),
             ]),
         .testTarget(
             name: "PachydermTests",
-            dependencies: ["Pachyderm"],
-            swiftSettings: [
-                .swiftLanguageMode(.v5)
-            ]),
+            dependencies: ["Pachyderm"]),
     ]
 )

Packages/Pachyderm/Sources/Pachyderm/Client.swift

@@ -7,6 +7,7 @@
 //
 
 import Foundation
+import WebURL
 
 /**
  The base Mastodon API client.
@@ -24,30 +25,27 @@ public struct Client: Sendable {
     
     public var timeoutInterval: TimeInterval = 60
     
-    private static let dateFormatter: DateFormatter = {
+    static let decoder: JSONDecoder = {
+        let decoder = JSONDecoder()
+        
         let formatter = DateFormatter()
         formatter.dateFormat = "yyyy-MM-dd'T'HH:mm:ss.SZ"
         formatter.timeZone = TimeZone(abbreviation: "UTC")
         formatter.locale = Locale(identifier: "en_US_POSIX")
-        return formatter
-    }()
-    private static let iso8601Formatter = ISO8601DateFormatter()
-    private static func decodeDate(string: String) -> Date? {
-        // for the next time mastodon accidentally changes date formats >.>
-        return dateFormatter.date(from: string) ?? iso8601Formatter.date(from: string)
-    }
-    
-    static let decoder: JSONDecoder = {
-        let decoder = JSONDecoder()
+        let iso8601 = ISO8601DateFormatter()
         decoder.dateDecodingStrategy = .custom({ (decoder) in
             let container = try decoder.singleValueContainer()
             let str = try container.decode(String.self)
-            if let date = Self.decodeDate(string: str) {
+            // for the next time mastodon accidentally changes date formats >.>
+            if let date = formatter.date(from: str) {
+                return date
+            } else if let date = iso8601.date(from: str) {
                 return date
             } else {
                 throw DecodingError.typeMismatch(Date.self, .init(codingPath: container.codingPath, debugDescription: "unexpected date format: \(str)"))
             }
         })
+        
         return decoder
     }()
     
@@ -107,15 +105,6 @@ public struct Client: Sendable {
         return task
     }
     
-    private func error(from response: HTTPURLResponse) -> ErrorType {
-        if response.statusCode == 429,
-           let date = response.value(forHTTPHeaderField: "X-RateLimit-Reset").flatMap(Self.decodeDate) {
-            return .rateLimited(date)
-        } else {
-            return .unexpectedStatus(response.statusCode)
-        }
-    }
-    
     @discardableResult
     public func run<Result: Sendable>(_ request: Request<Result>) async throws -> (Result, Pagination?) {
         return try await withCheckedThrowingContinuation { continuation in
@@ -201,8 +190,8 @@ public struct Client: Sendable {
         let wellKnown = Request<WellKnown>(method: .get, path: "/.well-known/nodeinfo")
         let wellKnownResults = try await run(wellKnown).0
         if let url = wellKnownResults.links.first(where: { $0.rel == "http://nodeinfo.diaspora.software/ns/schema/2.0" }),
-           let href = try? URL.ParseStrategy().parse(url.href),
-           href.host == self.baseURL.host() {
+           let href = WebURL(url.href),
+           href.host == WebURL(self.baseURL)?.host {
             let nodeInfo = Request<NodeInfo>(method: .get, path: Endpoint(stringLiteral: href.path))
             return try await run(nodeInfo).0
         } else {
@@ -586,8 +575,6 @@ extension Client {
                 return "Invalid Model"
             case .mastodonError(let code, let error):
                 return "Server Error (\(code)): \(error)"
-            case .rateLimited(let reset):
-                return "Rate Limited Until \(reset.formatted(date: .omitted, time: .standard))"
             }
         }
     }
@@ -598,7 +585,6 @@ extension Client {
         case invalidResponse
         case invalidModel(Swift.Error)
         case mastodonError(Int, String)
-        case rateLimited(Date)
     }
     
     enum NodeInfoError: LocalizedError {

Packages/Pachyderm/Sources/Pachyderm/Model/Announcement.swift

@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import WebURL
 
 public struct Announcement: Decodable, Sendable, Hashable, Identifiable {
     public let id: String
@@ -59,7 +60,7 @@ extension Announcement {
     public struct Account: Decodable, Sendable, Hashable {
         public let id: String
         public let username: String
-        @URLDecoder public var url: URL
+        public let url: WebURL
         public let acct: String
     }
 }
@@ -67,7 +68,7 @@ extension Announcement {
 extension Announcement {
     public struct Status: Decodable, Sendable, Hashable {
         public let id: String
-        @URLDecoder public var url: URL
+        public let url: WebURL
     }
 }
 

Packages/Pachyderm/Sources/Pachyderm/Model/Card.swift

@@ -7,17 +7,18 @@
 //
 
 import Foundation
+import WebURL
 
 public struct Card: Codable, Sendable {
-    @URLDecoder public var url: URL
+    public let url: WebURL
     public let title: String
     public let description: String
-    @OptionalURLDecoder public var image: URL?
+    public let image: WebURL?
     public let kind: Kind
     public let authorName: String?
-    @OptionalURLDecoder public var authorURL: URL?
+    public let authorURL: WebURL?
     public let providerName: String?
-    @OptionalURLDecoder public var providerURL: URL?
+    public let providerURL: WebURL?
     public let html: String?
     public let width: Int?
     public let height: Int?
@@ -26,15 +27,15 @@ public struct Card: Codable, Sendable {
     public let history: [History]?
     
     public init(
-        url: URL,
+        url: WebURL,
         title: String,
         description: String,
-        image: URL? = nil,
+        image: WebURL? = nil,
         kind: Card.Kind,
         authorName: String? = nil,
-        authorURL: URL? = nil,
+        authorURL: WebURL? = nil,
         providerName: String? = nil,
-        providerURL: URL? = nil,
+        providerURL: WebURL? = nil,
         html: String? = nil,
         width: Int? = nil,
         height: Int? = nil,
@@ -60,15 +61,15 @@ public struct Card: Codable, Sendable {
     public init(from decoder: Decoder) throws {
         let container = try decoder.container(keyedBy: CodingKeys.self)
         
-        self._url = try container.decode(URLDecoder.self, forKey: .url)
+        self.url = try container.decode(WebURL.self, forKey: .url)
         self.title = try container.decode(String.self, forKey: .title)
         self.description = try container.decode(String.self, forKey: .description)
         self.kind = try container.decode(Kind.self, forKey: .kind)
-        self._image = try container.decodeIfPresent(OptionalURLDecoder.self, forKey: .image) ?? nil
+        self.image = try? container.decodeIfPresent(WebURL.self, forKey: .image)
         self.authorName = try? container.decodeIfPresent(String.self, forKey: .authorName)
-        self._authorURL = try container.decodeIfPresent(OptionalURLDecoder.self, forKey: .authorURL) ?? nil
+        self.authorURL = try? container.decodeIfPresent(WebURL.self, forKey: .authorURL)
         self.providerName = try? container.decodeIfPresent(String.self, forKey: .providerName)
-        self._providerURL = try container.decodeIfPresent(OptionalURLDecoder.self, forKey: .providerURL) ?? nil
+        self.providerURL = try? container.decodeIfPresent(WebURL.self, forKey: .providerURL)
         self.html = try? container.decodeIfPresent(String.self, forKey: .html)
         self.width = try? container.decodeIfPresent(Int.self, forKey: .width)
         self.height = try? container.decodeIfPresent(Int.self, forKey: .height)

Packages/Pachyderm/Sources/Pachyderm/Model/Emoji.swift

@@ -7,11 +7,14 @@
 //
 
 import Foundation
+import WebURL
 
 public struct Emoji: Codable, Sendable {
     public let shortcode: String
-    @URLDecoder public var url: URL
-    @URLDecoder public var staticURL: URL
+    // these shouldn't need to be WebURLs as they're not external resources,
+    // but some instances (pleroma?) has emoji urls that Foundation considers malformed so we use WebURL to be more lenient
+    public let url: WebURL
+    public let staticURL: WebURL
     public let visibleInPicker: Bool
     public let category: String?
     
@@ -19,8 +22,8 @@ public struct Emoji: Codable, Sendable {
         let container = try decoder.container(keyedBy: CodingKeys.self)
         
         self.shortcode = try container.decode(String.self, forKey: .shortcode)
-        self._url = try container.decode(URLDecoder.self, forKey: .url)
-        self._staticURL = try container.decode(URLDecoder.self, forKey: .staticURL)
+        self.url = try container.decode(WebURL.self, forKey: .url)
+        self.staticURL = try container.decode(WebURL.self, forKey: .staticURL)
         self.visibleInPicker = try container.decode(Bool.self, forKey: .visibleInPicker)
         self.category = try container.decodeIfPresent(String.self, forKey: .category)
     }

Packages/Pachyderm/Sources/Pachyderm/Model/Hashtag.swift

@@ -7,10 +7,12 @@
 //
 
 import Foundation
+import WebURL
+import WebURLFoundationExtras
 
 public struct Hashtag: Codable, Sendable {
     public let name: String
-    @URLDecoder public var url: URL
+    public let url: WebURL
     /// Only present when returned from the trending hashtags endpoint
     public let history: [History]?
     /// Only present on Mastodon >= 4 and when logged in
@@ -18,7 +20,7 @@ public struct Hashtag: Codable, Sendable {
     
     public init(name: String, url: URL) {
         self.name = name
-        self.url = url
+        self.url = WebURL(url)!
         self.history = nil
         self.following = nil
     }
@@ -27,7 +29,7 @@ public struct Hashtag: Codable, Sendable {
         let container = try decoder.container(keyedBy: CodingKeys.self)
         self.name = try container.decode(String.self, forKey: .name)
         // pixelfed (possibly others) don't fully escape special characters in the hashtag url
-        self._url = try container.decode(URLDecoder.self, forKey: .url)
+        self.url = try container.decode(WebURL.self, forKey: .url)
         self.history = try container.decodeIfPresent([History].self, forKey: .history)
         self.following = try container.decodeIfPresent(Bool.self, forKey: .following)
     }

Packages/Pachyderm/Sources/Pachyderm/Model/Mention.swift

@@ -7,9 +7,10 @@
 //
 
 import Foundation
+import WebURL
 
 public struct Mention: Codable, Sendable {
-    @URLDecoder public var url: URL
+    public let url: WebURL
     public let username: String
     public let acct: String
     /// The instance-local ID of the user being mentioned.
@@ -20,10 +21,15 @@ public struct Mention: Codable, Sendable {
         self.username = try container.decode(String.self, forKey: .username)
         self.acct = try container.decode(String.self, forKey: .acct)
         self.id = try container.decode(String.self, forKey: .id)
-        self._url = try container.decode(URLDecoder.self, forKey: .url)
+        do {
+            self.url = try container.decode(WebURL.self, forKey: .url)
+        } catch {
+            let s = try? container.decode(String.self, forKey: .url)
+            throw DecodingError.dataCorruptedError(forKey: .url, in: container, debugDescription: "Could not decode URL '\(s ?? "<failed to decode string>")'")
+        }
     }
     
-    public init(url: URL, username: String, acct: String, id: String) {
+    public init(url: WebURL, username: String, acct: String, id: String) {
         self.url = url
         self.username = username
         self.acct = acct

Packages/Pachyderm/Sources/Pachyderm/Model/Notification.swift

@@ -7,6 +7,7 @@
 //
 
 import Foundation
+import WebURL
 
 public struct Notification: Decodable, Sendable {
     public let id: String
@@ -17,7 +18,7 @@ public struct Notification: Decodable, Sendable {
     // Only present for pleroma emoji reactions
     // Either an emoji or :shortcode: (for akkoma custom emoji reactions)
     public let emoji: String?
-    @OptionalURLDecoder public var emojiURL: URL?
+    public let emojiURL: WebURL?
     
     public init(from decoder: Decoder) throws {
         let container = try decoder.container(keyedBy: CodingKeys.self)
@@ -32,7 +33,7 @@ public struct Notification: Decodable, Sendable {
         self.account = try container.decode(Account.self, forKey: .account)
         self.status = try container.decodeIfPresent(Status.self, forKey: .status)
         self.emoji = try container.decodeIfPresent(String.self, forKey: .emoji)
-        self._emojiURL = try container.decodeIfPresent(OptionalURLDecoder.self, forKey: .emojiURL) ?? nil
+        self.emojiURL = try container.decodeIfPresent(WebURL.self, forKey: .emojiURL)
     }
 
     public static func dismiss(id notificationID: String) -> Request<Empty> {

Packages/Pachyderm/Sources/Pachyderm/Model/PushNotification.swift

@@ -6,13 +6,14 @@
 //
 
 import Foundation
+import WebURL
 
 public struct PushNotification: Decodable {
     public let accessToken: String
     public let preferredLocale: String
     public let notificationID: String
     public let notificationType: Notification.Kind
-    @URLDecoder public var icon: URL
+    public let icon: WebURL
     public let title: String
     public let body: String
     
@@ -28,7 +29,7 @@ public struct PushNotification: Decodable {
             self.notificationID = i.description
         }
         self.notificationType = try container.decode(Notification.Kind.self, forKey: .notificationType)
-        self._icon = try container.decode(URLDecoder.self, forKey: .icon)
+        self.icon = try container.decode(WebURL.self, forKey: .icon)
         self.title = try container.decode(String.self, forKey: .title)
         self.body = try container.decode(String.self, forKey: .body)
     }

Packages/Pachyderm/Sources/Pachyderm/Model/Status.swift

@@ -7,6 +7,7 @@
 //
 
 import Foundation
+import WebURL
 
 public final class Status: StatusProtocol, Decodable, Sendable {
     /// The pseudo-visibility used by instance types (Akkoma) that overload the visibility for local-only posts.
@@ -14,8 +15,7 @@ public final class Status: StatusProtocol, Decodable, Sendable {
     
     public let id: String
     public let uri: String
-    private let _url: OptionalURLDecoder
-    public var url: URL? { _url.wrappedValue }
+    public let url: WebURL?
     public let account: Account
     public let inReplyToID: String?
     public let inReplyToAccountID: String?
@@ -55,13 +55,13 @@ public final class Status: StatusProtocol, Decodable, Sendable {
         self.id = try container.decode(String.self, forKey: .id)
         self.uri = try container.decode(String.self, forKey: .uri)
         do {
-            self._url = try container.decodeIfPresent(OptionalURLDecoder.self, forKey: .url) ?? nil
+            self.url = try container.decodeIfPresent(WebURL.self, forKey: .url)
         } catch {
             let s = try? container.decode(String.self, forKey: .url)
             if s == "" {
-                self._url = OptionalURLDecoder(wrappedValue: nil)
+                self.url = nil
             } else {
-                throw error
+                throw DecodingError.dataCorrupted(.init(codingPath: container.codingPath + [CodingKeys.url], debugDescription: "Could not decode URL '\(s ?? "<failed to decode string>")'", underlyingError: error))
             }
         }
         self.account = try container.decode(Account.self, forKey: .account)

Packages/Pachyderm/Sources/Pachyderm/Utilities/NotificationGroup.swift

@@ -7,6 +7,7 @@
 //
 
 import Foundation
+import WebURL
 
 public struct NotificationGroup: Identifiable, Hashable, Sendable {
     public private(set) var notifications: [Notification]
@@ -149,7 +150,7 @@ public struct NotificationGroup: Identifiable, Hashable, Sendable {
         case poll
         case update
         case status
-        case emojiReaction(String, URL?)
+        case emojiReaction(String, WebURL?)
         case unknown
         
         var notificationKind: Notification.Kind {

Packages/Pachyderm/Sources/Pachyderm/Utilities/URLDecoder.swift

@@ -1,86 +0,0 @@
-//
-//  URLDecoder.swift
-//  Pachyderm
-//
-//  Created by Shadowfacts on 12/15/24.
-//
-import Foundation
-
-private let parseStrategy = URL.ParseStrategy()
-    .scheme(.required)
-    .user(.optional)
-    .password(.optional)
-    .host(.required)
-    .port(.optional)
-    .path(.optional)
-    .query(.optional)
-    .fragment(.optional)
-
-private let formatStyle = URL.FormatStyle()
-    .scheme(.always)
-    .user(.omitWhen(.user, matches: [""]))
-    .password(.omitWhen(.password, matches: [""]))
-    .host(.always)
-    .port(.omitIfHTTPFamily)
-    .path(.always)
-    .query(.omitWhen(.query, matches: [""]))
-    .fragment(.omitWhen(.fragment, matches: [""]))
-
-@propertyWrapper
-public struct URLDecoder: Codable, Sendable, Hashable {
-    public var wrappedValue: URL
-    
-    public init(wrappedValue: URL) {
-        self.wrappedValue = wrappedValue
-    }
-    
-    public init(from decoder: any Decoder) throws {
-        let s = try decoder.singleValueContainer().decode(String.self)
-        self.wrappedValue = try parseStrategy.parse(s)
-    }
-    
-    public func encode(to encoder: any Encoder) throws {
-        var container = encoder.singleValueContainer()
-        try container.encode(wrappedValue.formatted(formatStyle))
-    }
-}
-
-@propertyWrapper
-public struct OptionalURLDecoder: Codable, Sendable, Hashable, ExpressibleByNilLiteral {
-    public var wrappedValue: URL?
-    
-    public init(wrappedValue: URL?) {
-        self.wrappedValue = wrappedValue
-    }
-    
-    public init(nilLiteral: ()) {
-        self.wrappedValue = nil
-    }
-    
-    public init(from decoder: any Decoder) throws {
-        let container = try decoder.singleValueContainer()
-        if container.decodeNil() {
-            self.wrappedValue = nil
-        } else {
-            let s = try container.decode(String.self)
-            if s.isEmpty {
-                self.wrappedValue = nil
-            } else {
-                do {
-                    self.wrappedValue = try parseStrategy.parse(s)
-                } catch {
-                    throw DecodingError.dataCorrupted(.init(codingPath: container.codingPath, debugDescription: "Could not decode URL '\(s)'", underlyingError: error))
-                }
-            }
-        }
-    }
-    
-    public func encode(to encoder: any Encoder) throws {
-        var container = encoder.singleValueContainer()
-        if let wrappedValue {
-            try container.encode(wrappedValue.formatted(formatStyle))
-        } else {
-            try container.encodeNil()
-        }
-    }
-}

Packages/Pachyderm/Tests/PachydermTests/NotificationGroupTests.swift

@@ -197,72 +197,72 @@ class NotificationGroupTests: XCTestCase {
 
     func testGroupSimple() {
         let groups = NotificationGroup.createGroups(notifications: [likeA1, likeA2], only: [.favourite])
-        XCTAssertEqual(groups, [NotificationGroup(notifications: [likeA1, likeA2], kind: .favourite)!])
+        XCTAssertEqual(groups, [NotificationGroup(notifications: [likeA1, likeA2])!])
     }
     
     func testGroupWithOtherGroupableInBetween() {
         let groups = NotificationGroup.createGroups(notifications: [likeA1, likeB, likeA2], only: [.favourite])
         XCTAssertEqual(groups, [
-            NotificationGroup(notifications: [likeA1, likeA2], kind: .favourite)!,
-            NotificationGroup(notifications: [likeB], kind: .favourite)!,
+            NotificationGroup(notifications: [likeA1, likeA2])!,
+            NotificationGroup(notifications: [likeB])!,
         ])
     }
     
     func testDontGroupWithUngroupableInBetween() {
         let groups = NotificationGroup.createGroups(notifications: [likeA1, mentionB, likeA2], only: [.favourite])
         XCTAssertEqual(groups, [
-            NotificationGroup(notifications: [likeA1], kind: .favourite)!,
-            NotificationGroup(notifications: [mentionB], kind: .mention)!,
-            NotificationGroup(notifications: [likeA2], kind: .favourite)!,
+            NotificationGroup(notifications: [likeA1])!,
+            NotificationGroup(notifications: [mentionB])!,
+            NotificationGroup(notifications: [likeA2])!,
         ])
     }
 
     func testMergeSimpleGroups() {
-        let group1 = NotificationGroup(notifications: [likeA1], kind: .favourite)!
-        let group2 = NotificationGroup(notifications: [likeA2], kind: .favourite)!
+        let group1 = NotificationGroup(notifications: [likeA1])!
+        let group2 = NotificationGroup(notifications: [likeA2])!
         let merged = NotificationGroup.mergeGroups(first: [group1], second: [group2], only: [.favourite])
         XCTAssertEqual(merged, [
-            NotificationGroup(notifications: [likeA1, likeA2], kind: .favourite)!
+            NotificationGroup(notifications: [likeA1, likeA2])!
         ])
     }
     
     func testMergeGroupsWithOtherGroupableInBetween() {
-        let group1 = NotificationGroup(notifications: [likeA1], kind: .favourite)!
-        let group2 = NotificationGroup(notifications: [likeB], kind: .favourite)!
-        let group3 = NotificationGroup(notifications: [likeA2], kind: .favourite)!
+        let group1 = NotificationGroup(notifications: [likeA1])!
+        let group2 = NotificationGroup(notifications: [likeB])!
+        let group3 = NotificationGroup(notifications: [likeA2])!
         let merged = NotificationGroup.mergeGroups(first: [group1, group2], second: [group3], only: [.favourite])
         XCTAssertEqual(merged, [
-            NotificationGroup(notifications: [likeA1, likeA2], kind: .favourite)!,
-            NotificationGroup(notifications: [likeB], kind: .favourite)!,
+            NotificationGroup(notifications: [likeA1, likeA2])!,
+            NotificationGroup(notifications: [likeB])!,
         ])
         
         let merged2 = NotificationGroup.mergeGroups(first: [group1], second: [group2, group3], only: [.favourite])
         XCTAssertEqual(merged2, [
-            NotificationGroup(notifications: [likeA1, likeA2], kind: .favourite)!,
-            NotificationGroup(notifications: [likeB], kind: .favourite)!,
+            NotificationGroup(notifications: [likeA1, likeA2])!,
+            NotificationGroup(notifications: [likeB])!,
         ])
         
-        let group4 = NotificationGroup(notifications: [likeB2], kind: .favourite)!
-        let group5 = NotificationGroup(notifications: [mentionB], kind: .mention)!
+        let group4 = NotificationGroup(notifications: [likeB2])!
+        let group5 = NotificationGroup(notifications: [mentionB])!
         let merged3 = NotificationGroup.mergeGroups(first: [group1, group5, group2], second: [group4, group3], only: [.favourite])
         print(merged3.count)
         XCTAssertEqual(merged3, [
             group1,
             group5,
-            NotificationGroup(notifications: [likeB, likeB2], kind: .favourite),
+            NotificationGroup(notifications: [likeB, likeB2]),
             group3
         ])
     }
     
     func testDontMergeWithUngroupableInBetween() {
-        let group1 = NotificationGroup(notifications: [likeA1], kind: .favourite)!
-        let group2 = NotificationGroup(notifications: [mentionB], kind: .mention)!
-        let group3 = NotificationGroup(notifications: [likeA2], kind: .favourite)!
+        let group1 = NotificationGroup(notifications: [likeA1])!
+        let group2 = NotificationGroup(notifications: [mentionB])!
+        let group3 = NotificationGroup(notifications: [likeA2])!
         let merged = NotificationGroup.mergeGroups(first: [group1, group2], second: [group3], only: [.favourite])
         XCTAssertEqual(merged, [
-            NotificationGroup(notifications: [likeA1], kind: .favourite)!,
-            NotificationGroup(notifications: [mentionB], kind: .mention)!,
-            NotificationGroup(notifications: [likeA2], kind: .favourite)!,
+            NotificationGroup(notifications: [likeA1])!,
+            NotificationGroup(notifications: [mentionB])!,
+            NotificationGroup(notifications: [likeA2])!,
         ])
     }
 

Packages/Pachyderm/Tests/PachydermTests/URLTests.swift

@@ -6,21 +6,20 @@
 //
 
 import XCTest
-@testable import Pachyderm
+import WebURL
+import WebURLFoundationExtras
 
 class URLTests: XCTestCase {
 
     func testDecodeURL() {
-        XCTAssertNotNil(try? URL.ParseStrategy().parse("https://xn--baw-joa.social/test/é"))
-        XCTAssertNotNil(try? URL.ParseStrategy().parse("http://見.香港/热狗/🌭"))
-    }
-    
-    func testRoundtripURL() throws {
-        let orig = URLDecoder(wrappedValue: URL(string: "https://example.com")!)
-        let encoded = try JSONEncoder().encode(orig)
-        print(String(data: encoded, encoding: .utf8)!)
-        let decoded = try JSONDecoder().decode(URLDecoder.self, from: encoded)
-        XCTAssertEqual(orig.wrappedValue, decoded.wrappedValue)
+        XCTAssertNotNil(WebURL(URL(string: "https://xn--baw-joa.social/@unituebingen")!))
+        XCTAssertNotNil(WebURL("https://xn--baw-joa.social/@unituebingen"))
+        XCTAssertNotNil(URLComponents(string: "https://xn--baw-joa.social/test/é"))
+        XCTAssertNotNil(WebURL("https://xn--baw-joa.social/test/é"))
+        if #available(iOS 16.0, *) {
+            XCTAssertNotNil(try? URL.ParseStrategy().parse("https://xn--baw-joa.social/test/é"))
+            XCTAssertNotNil(try? URL.ParseStrategy().parse("http://見.香港/热狗/🌭"))
+        }
     }
 
 }

Packages/PushNotifications/Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version: 6.0
+// swift-tools-version: 5.10
 // The swift-tools-version declares the minimum version of Swift required to build this package.
 
 import PackageDescription
@@ -6,7 +6,7 @@ import PackageDescription
 let package = Package(
     name: "PushNotifications",
     platforms: [
-        .iOS(.v16),
+        .iOS(.v15),
     ],
     products: [
         // Products define the executables and libraries a package produces, making them visible to other packages.
@@ -23,17 +23,10 @@ let package = Package(
         // Targets can depend on other targets in this package and products from dependencies.
         .target(
             name: "PushNotifications",
-            dependencies: ["UserAccounts", "Pachyderm"],
-            swiftSettings: [
-                .swiftLanguageMode(.v5)
-            ]
+            dependencies: ["UserAccounts", "Pachyderm"]
         ),
         .testTarget(
             name: "PushNotificationsTests",
-            dependencies: ["PushNotifications"],
-            swiftSettings: [
-                .swiftLanguageMode(.v5)
-            ]
-        ),
+            dependencies: ["PushNotifications"]),
     ]
 )

Packages/TTTKit/Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version: 6.0
+// swift-tools-version: 5.7
 // The swift-tools-version declares the minimum version of Swift required to build this package.
 
 import PackageDescription
@@ -6,7 +6,7 @@ import PackageDescription
 let package = Package(
     name: "TTTKit",
     platforms: [
-        .iOS(.v16),
+        .iOS(.v15),
     ],
     products: [
         // Products define the executables and libraries a package produces, and make them visible to other packages.
@@ -23,15 +23,9 @@ let package = Package(
         // Targets can depend on other targets in this package, and on products in packages this package depends on.
         .target(
             name: "TTTKit",
-            dependencies: [],
-            swiftSettings: [
-                .swiftLanguageMode(.v5)
-            ]),
+            dependencies: []),
         .testTarget(
             name: "TTTKitTests",
-            dependencies: ["TTTKit"],
-            swiftSettings: [
-                .swiftLanguageMode(.v5)
-            ]),
+            dependencies: ["TTTKit"]),
     ]
 )

Packages/TuskerComponents/Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version: 6.0
+// swift-tools-version: 5.7
 // The swift-tools-version declares the minimum version of Swift required to build this package.
 
 import PackageDescription
@@ -6,7 +6,7 @@ import PackageDescription
 let package = Package(
     name: "TuskerComponents",
     platforms: [
-        .iOS(.v16),
+        .iOS(.v15),
     ],
     products: [
         // Products define the executables and libraries a package produces, and make them visible to other packages.
@@ -23,10 +23,7 @@ let package = Package(
         // Targets can depend on other targets in this package, and on products in packages this package depends on.
         .target(
             name: "TuskerComponents",
-            dependencies: [],
-            swiftSettings: [
-                .swiftLanguageMode(.v5)
-            ]),
+            dependencies: []),
         // .testTarget(
         //     name: "TuskerComponentsTests",
         //     dependencies: ["TuskerComponents"]),

Packages/TuskerComponents/Sources/TuskerComponents/AsyncPicker.swift

@@ -9,14 +9,21 @@ import SwiftUI
 
 public struct AsyncPicker<V: Hashable, Content: View>: View {
     let titleKey: LocalizedStringKey
+    #if !os(visionOS)
+    @available(iOS, obsoleted: 16.0, message: "Switch to LabeledContent")
+    let labelHidden: Bool
+    #endif
     let alignment: Alignment
     @Binding var value: V
     let onChange: (V) async -> Bool
     let content: Content
     @State private var isLoading = false
     
-    public init(_ titleKey: LocalizedStringKey, alignment: Alignment = .center, value: Binding<V>, onChange: @escaping (V) async -> Bool, @ViewBuilder content: () -> Content) {
+    public init(_ titleKey: LocalizedStringKey, labelHidden: Bool = false, alignment: Alignment = .center, value: Binding<V>, onChange: @escaping (V) async -> Bool, @ViewBuilder content: () -> Content) {
         self.titleKey = titleKey
+        #if !os(visionOS)
+        self.labelHidden = labelHidden
+        #endif
         self.alignment = alignment
         self._value = value
         self.onChange = onChange
@@ -24,9 +31,25 @@ public struct AsyncPicker<V: Hashable, Content: View>: View {
     }
     
     public var body: some View {
+        #if os(visionOS)
         LabeledContent(titleKey) {
             picker
         }
+        #else
+        if #available(iOS 16.0, *) {
+            LabeledContent(titleKey) {
+                picker
+            }
+        } else if labelHidden {
+            picker
+        } else {
+            HStack {
+                Text(titleKey)
+                Spacer()
+                picker
+            }
+        }
+        #endif
     }
     
     private var picker: some View {

Packages/TuskerComponents/Sources/TuskerComponents/AsyncToggle.swift

@@ -10,19 +10,42 @@ import SwiftUI
 
 public struct AsyncToggle: View {
     let titleKey: LocalizedStringKey
+    #if !os(visionOS)
+    @available(iOS, obsoleted: 16.0, message: "Switch to LabeledContent")
+    let labelHidden: Bool
+    #endif
     @Binding var mode: Mode
     let onChange: (Bool) async -> Bool
     
-    public init(_ titleKey: LocalizedStringKey, mode: Binding<Mode>, onChange: @escaping (Bool) async -> Bool) {
+    public init(_ titleKey: LocalizedStringKey, labelHidden: Bool = false, mode: Binding<Mode>, onChange: @escaping (Bool) async -> Bool) {
         self.titleKey = titleKey
+        #if !os(visionOS)
+        self.labelHidden = labelHidden
+        #endif
         self._mode = mode
         self.onChange = onChange
     }
     
     public var body: some View {
+        #if os(visionOS)
         LabeledContent(titleKey) {
             toggleOrSpinner
         }
+        #else
+        if #available(iOS 16.0, *) {
+            LabeledContent(titleKey) {
+                toggleOrSpinner
+            }
+        } else if labelHidden {
+            toggleOrSpinner
+        } else {
+            HStack {
+                Text(titleKey)
+                Spacer()
+                toggleOrSpinner
+            }
+        }
+        #endif
     }
     
     @ViewBuilder

Packages/TuskerComponents/Sources/TuskerComponents/MenuPicker.swift

@@ -47,7 +47,9 @@ public struct MenuPicker<Value: Hashable>: UIViewRepresentable {
     
     private func makeConfiguration() -> UIButton.Configuration {
         var config = UIButton.Configuration.borderless()
-        config.indicator = .popup
+        if #available(iOS 16.0, *) {
+            config.indicator = .popup
+        }
         if buttonStyle.hasIcon {
             config.image = selectedOption.image
         }

Packages/TuskerPreferences/Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version: 6.0
+// swift-tools-version: 5.8
 // The swift-tools-version declares the minimum version of Swift required to build this package.
 
 import PackageDescription
@@ -6,7 +6,7 @@ import PackageDescription
 let package = Package(
     name: "TuskerPreferences",
     platforms: [
-        .iOS(.v16),
+        .iOS(.v15),
     ],
     products: [
         // Products define the executables and libraries a package produces, making them visible to other packages.
@@ -22,17 +22,11 @@ let package = Package(
         // Targets can depend on other targets in this package and products from dependencies.
         .target(
             name: "TuskerPreferences",
-            dependencies: ["Pachyderm"],
-            swiftSettings: [
-                .swiftLanguageMode(.v5)
-            ]
+            dependencies: ["Pachyderm"]
         ),
         .testTarget(
             name: "TuskerPreferencesTests",
-            dependencies: ["TuskerPreferences"],
-            swiftSettings: [
-                .swiftLanguageMode(.v5)
-            ]
+            dependencies: ["TuskerPreferences"]
         )
     ]
 )

Packages/UserAccounts/Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version: 6.0
+// swift-tools-version: 5.7
 // The swift-tools-version declares the minimum version of Swift required to build this package.
 
 import PackageDescription
@@ -6,7 +6,7 @@ import PackageDescription
 let package = Package(
     name: "UserAccounts",
     platforms: [
-        .iOS(.v16),
+        .iOS(.v15),
     ],
     products: [
         // Products define the executables and libraries a package produces, and make them visible to other packages.
@@ -23,10 +23,7 @@ let package = Package(
         // Targets can depend on other targets in this package, and on products in packages this package depends on.
         .target(
             name: "UserAccounts",
-            dependencies: ["Pachyderm"],
-            swiftSettings: [
-                .swiftLanguageMode(.v5)
-            ]),
+            dependencies: ["Pachyderm"]),
         // .testTarget(
         //     name: "UserAccountsTests",
         //     dependencies: ["UserAccounts"]),

ShareExtension/ShareHostingController.swift

@@ -9,6 +9,7 @@
 import SwiftUI
 import ComposeUI
 import TuskerComponents
+import WebURLFoundationExtras
 import Combine
 import TuskerPreferences
 
@@ -45,7 +46,7 @@ class ShareHostingController: UIHostingController<ShareHostingController.View> {
             currentAccountContainerView: { AnyView(SwitchAccountContainerView(content: $0, mastodonContextPublisher: mastodonContextPublisher)) },
             replyContentView: { _, _  in fatalError("replies aren't allowed in share sheet") },
             emojiImageView: {
-                AnyView(AsyncImage(url: $0.url) {
+                AnyView(AsyncImage(url: URL($0.url)!) {
                     $0
                         .resizable()
                         .aspectRatio(contentMode: .fit)

Tusker.xcodeproj/project.pbxproj

@@ -103,6 +103,7 @@
 		D630C3E12BC61C6700208903 /* UserAccounts in Frameworks */ = {isa = PBXBuildFile; productRef = D630C3E02BC61C6700208903 /* UserAccounts */; };
 		D630C3E52BC6313400208903 /* Pachyderm in Frameworks */ = {isa = PBXBuildFile; productRef = D630C3E42BC6313400208903 /* Pachyderm */; };
 		D630C4232BC7842C00208903 /* HTMLStreamer in Frameworks */ = {isa = PBXBuildFile; productRef = D630C4222BC7842C00208903 /* HTMLStreamer */; };
+		D630C4252BC7845800208903 /* WebURL in Frameworks */ = {isa = PBXBuildFile; productRef = D630C4242BC7845800208903 /* WebURL */; };
 		D6311C5025B3765B00B27539 /* ImageDataCache.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6311C4F25B3765B00B27539 /* ImageDataCache.swift */; };
 		D6333B372137838300CE884A /* AttributedString+Helpers.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6333B362137838300CE884A /* AttributedString+Helpers.swift */; };
 		D6333B792139AEFD00CE884A /* Date+TimeAgo.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6333B782139AEFD00CE884A /* Date+TimeAgo.swift */; };
@@ -140,6 +141,7 @@
 		D64B96812BC3279D002C8990 /* PrefsAccountView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D64B96802BC3279D002C8990 /* PrefsAccountView.swift */; };
 		D64B96842BC3893C002C8990 /* PushSubscriptionView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D64B96832BC3893C002C8990 /* PushSubscriptionView.swift */; };
 		D64D0AB12128D9AE005A6F37 /* OnboardingViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D64D0AB02128D9AE005A6F37 /* OnboardingViewController.swift */; };
+		D64D8CA92463B494006B0BAA /* MultiThreadDictionary.swift in Sources */ = {isa = PBXBuildFile; fileRef = D64D8CA82463B494006B0BAA /* MultiThreadDictionary.swift */; };
 		D651C5B42915B00400236EF6 /* ProfileFieldsView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D651C5B32915B00400236EF6 /* ProfileFieldsView.swift */; };
 		D6531DEE246B81C9000F9538 /* GifvPlayerView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6531DED246B81C9000F9538 /* GifvPlayerView.swift */; };
 		D6538945214D6D7500E3CEFC /* TableViewSwipeActionProvider.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6538944214D6D7500E3CEFC /* TableViewSwipeActionProvider.swift */; };
@@ -163,6 +165,7 @@
 		D6620ACE2511A0ED00312CA0 /* StatusStateResolver.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6620ACD2511A0ED00312CA0 /* StatusStateResolver.swift */; };
 		D663626C21361C6700C9CBA2 /* Account+Preferences.swift in Sources */ = {isa = PBXBuildFile; fileRef = D663626B21361C6700C9CBA2 /* Account+Preferences.swift */; };
 		D6674AEA23341F7600E8DF94 /* AppShortcutItems.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6674AE923341F7600E8DF94 /* AppShortcutItems.swift */; };
+		D6676CA527A8D0020052936B /* WebURLFoundationExtras in Frameworks */ = {isa = PBXBuildFile; productRef = D6676CA427A8D0020052936B /* WebURLFoundationExtras */; };
 		D66A77BB233838DC0058F1EC /* UIFont+Traits.swift in Sources */ = {isa = PBXBuildFile; fileRef = D66A77BA233838DC0058F1EC /* UIFont+Traits.swift */; };
 		D66C900B28DAB7FD00217BF2 /* TimelineViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D66C900A28DAB7FD00217BF2 /* TimelineViewController.swift */; };
 		D674A50927F9128D00BA03AC /* Pachyderm in Frameworks */ = {isa = PBXBuildFile; productRef = D674A50827F9128D00BA03AC /* Pachyderm */; };
@@ -201,16 +204,20 @@
 		D691771729A710520054D7EF /* ProfileNoContentCollectionViewCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = D691771629A710520054D7EF /* ProfileNoContentCollectionViewCell.swift */; };
 		D691771929A7B8820054D7EF /* ProfileHeaderMovedOverlayView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D691771829A7B8820054D7EF /* ProfileHeaderMovedOverlayView.swift */; };
 		D691772E29AA5D420054D7EF /* UserActivityHandlingContext.swift in Sources */ = {isa = PBXBuildFile; fileRef = D691772D29AA5D420054D7EF /* UserActivityHandlingContext.swift */; };
+		D69261232BB3AEFB0023152C /* VideoOverlayViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D69261222BB3AEFB0023152C /* VideoOverlayViewController.swift */; };
 		D69261272BB3BA610023152C /* Box.swift in Sources */ = {isa = PBXBuildFile; fileRef = D69261262BB3BA610023152C /* Box.swift */; };
 		D6934F2C2BA7AD32002B1C8D /* GalleryVC in Frameworks */ = {isa = PBXBuildFile; productRef = D6934F2B2BA7AD32002B1C8D /* GalleryVC */; };
 		D6934F2E2BA7AEF9002B1C8D /* StatusAttachmentsGalleryDataSource.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6934F2D2BA7AEF9002B1C8D /* StatusAttachmentsGalleryDataSource.swift */; };
-		D6934F302BA7AF91002B1C8D /* GrayscalableImageGalleryContentViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6934F2F2BA7AF91002B1C8D /* GrayscalableImageGalleryContentViewController.swift */; };
+		D6934F302BA7AF91002B1C8D /* ImageGalleryContentViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6934F2F2BA7AF91002B1C8D /* ImageGalleryContentViewController.swift */; };
+		D6934F322BA7E43E002B1C8D /* LoadingGalleryContentViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6934F312BA7E43E002B1C8D /* LoadingGalleryContentViewController.swift */; };
 		D6934F342BA8D65A002B1C8D /* ImageGalleryDataSource.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6934F332BA8D65A002B1C8D /* ImageGalleryDataSource.swift */; };
 		D6934F362BA8E020002B1C8D /* GifvGalleryContentViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6934F352BA8E020002B1C8D /* GifvGalleryContentViewController.swift */; };
 		D6934F382BA8E2B7002B1C8D /* GifvController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6934F372BA8E2B7002B1C8D /* GifvController.swift */; };
-		D6934F3C2BAA0F80002B1C8D /* GrayscalableVideoGalleryContentViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6934F3B2BAA0F80002B1C8D /* GrayscalableVideoGalleryContentViewController.swift */; };
+		D6934F3A2BA8F3D7002B1C8D /* FallbackGalleryContentViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6934F392BA8F3D7002B1C8D /* FallbackGalleryContentViewController.swift */; };
+		D6934F3C2BAA0F80002B1C8D /* VideoGalleryContentViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6934F3B2BAA0F80002B1C8D /* VideoGalleryContentViewController.swift */; };
 		D6934F3E2BAA19D5002B1C8D /* ImageActivityItemSource.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6934F3D2BAA19D5002B1C8D /* ImageActivityItemSource.swift */; };
 		D6934F402BAA19EC002B1C8D /* VideoActivityItemSource.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6934F3F2BAA19EC002B1C8D /* VideoActivityItemSource.swift */; };
+		D6934F422BAC7D6E002B1C8D /* VideoControlsViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6934F412BAC7D6E002B1C8D /* VideoControlsViewController.swift */; };
 		D693A72825CF282E003A14E2 /* TrendingHashtagsViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D693A72725CF282E003A14E2 /* TrendingHashtagsViewController.swift */; };
 		D693DE5723FE1A6A0061E07D /* EnhancedNavigationViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D693DE5623FE1A6A0061E07D /* EnhancedNavigationViewController.swift */; };
 		D693DE5923FE24310061E07D /* InteractivePushTransition.swift in Sources */ = {isa = PBXBuildFile; fileRef = D693DE5823FE24300061E07D /* InteractivePushTransition.swift */; };
@@ -330,7 +337,7 @@
 		D6D79F592A13293200AB2315 /* BackgroundManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6D79F582A13293200AB2315 /* BackgroundManager.swift */; };
 		D6D94955298963A900C59229 /* Colors.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6D94954298963A900C59229 /* Colors.swift */; };
 		D6D9498D298CBB4000C59229 /* TrendingStatusCollectionViewCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6D9498C298CBB4000C59229 /* TrendingStatusCollectionViewCell.swift */; };
-		D6D9498F298EB79400C59229 /* CopyableLabel.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6D9498E298EB79400C59229 /* CopyableLabel.swift */; };
+		D6D9498F298EB79400C59229 /* CopyableLable.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6D9498E298EB79400C59229 /* CopyableLable.swift */; };
 		D6DD8FFD298495A8002AD3FD /* LogoutService.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6DD8FFC298495A8002AD3FD /* LogoutService.swift */; };
 		D6DD8FFF2984D327002AD3FD /* BookmarksViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6DD8FFE2984D327002AD3FD /* BookmarksViewController.swift */; };
 		D6DD996B2998611A0015C962 /* SuggestedProfilesViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6DD996A2998611A0015C962 /* SuggestedProfilesViewController.swift */; };
@@ -565,6 +572,7 @@
 		D64B96802BC3279D002C8990 /* PrefsAccountView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PrefsAccountView.swift; sourceTree = "<group>"; };
 		D64B96832BC3893C002C8990 /* PushSubscriptionView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PushSubscriptionView.swift; sourceTree = "<group>"; };
 		D64D0AB02128D9AE005A6F37 /* OnboardingViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = OnboardingViewController.swift; sourceTree = "<group>"; };
+		D64D8CA82463B494006B0BAA /* MultiThreadDictionary.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MultiThreadDictionary.swift; sourceTree = "<group>"; };
 		D651C5B32915B00400236EF6 /* ProfileFieldsView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ProfileFieldsView.swift; sourceTree = "<group>"; };
 		D6531DED246B81C9000F9538 /* GifvPlayerView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = GifvPlayerView.swift; sourceTree = "<group>"; };
 		D6538944214D6D7500E3CEFC /* TableViewSwipeActionProvider.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TableViewSwipeActionProvider.swift; sourceTree = "<group>"; };
@@ -631,15 +639,19 @@
 		D691771629A710520054D7EF /* ProfileNoContentCollectionViewCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ProfileNoContentCollectionViewCell.swift; sourceTree = "<group>"; };
 		D691771829A7B8820054D7EF /* ProfileHeaderMovedOverlayView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ProfileHeaderMovedOverlayView.swift; sourceTree = "<group>"; };
 		D691772D29AA5D420054D7EF /* UserActivityHandlingContext.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = UserActivityHandlingContext.swift; sourceTree = "<group>"; };
+		D69261222BB3AEFB0023152C /* VideoOverlayViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = VideoOverlayViewController.swift; sourceTree = "<group>"; };
 		D69261262BB3BA610023152C /* Box.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Box.swift; sourceTree = "<group>"; };
 		D6934F2D2BA7AEF9002B1C8D /* StatusAttachmentsGalleryDataSource.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = StatusAttachmentsGalleryDataSource.swift; sourceTree = "<group>"; };
-		D6934F2F2BA7AF91002B1C8D /* GrayscalableImageGalleryContentViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = GrayscalableImageGalleryContentViewController.swift; sourceTree = "<group>"; };
+		D6934F2F2BA7AF91002B1C8D /* ImageGalleryContentViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ImageGalleryContentViewController.swift; sourceTree = "<group>"; };
+		D6934F312BA7E43E002B1C8D /* LoadingGalleryContentViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LoadingGalleryContentViewController.swift; sourceTree = "<group>"; };
 		D6934F332BA8D65A002B1C8D /* ImageGalleryDataSource.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ImageGalleryDataSource.swift; sourceTree = "<group>"; };
 		D6934F352BA8E020002B1C8D /* GifvGalleryContentViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = GifvGalleryContentViewController.swift; sourceTree = "<group>"; };
 		D6934F372BA8E2B7002B1C8D /* GifvController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = GifvController.swift; sourceTree = "<group>"; };
-		D6934F3B2BAA0F80002B1C8D /* GrayscalableVideoGalleryContentViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = GrayscalableVideoGalleryContentViewController.swift; sourceTree = "<group>"; };
+		D6934F392BA8F3D7002B1C8D /* FallbackGalleryContentViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = FallbackGalleryContentViewController.swift; sourceTree = "<group>"; };
+		D6934F3B2BAA0F80002B1C8D /* VideoGalleryContentViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = VideoGalleryContentViewController.swift; sourceTree = "<group>"; };
 		D6934F3D2BAA19D5002B1C8D /* ImageActivityItemSource.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ImageActivityItemSource.swift; sourceTree = "<group>"; };
 		D6934F3F2BAA19EC002B1C8D /* VideoActivityItemSource.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = VideoActivityItemSource.swift; sourceTree = "<group>"; };
+		D6934F412BAC7D6E002B1C8D /* VideoControlsViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = VideoControlsViewController.swift; sourceTree = "<group>"; };
 		D693A72725CF282E003A14E2 /* TrendingHashtagsViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TrendingHashtagsViewController.swift; sourceTree = "<group>"; };
 		D693DE5623FE1A6A0061E07D /* EnhancedNavigationViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = EnhancedNavigationViewController.swift; sourceTree = "<group>"; };
 		D693DE5823FE24300061E07D /* InteractivePushTransition.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = InteractivePushTransition.swift; sourceTree = "<group>"; };
@@ -766,7 +778,7 @@
 		D6D79F582A13293200AB2315 /* BackgroundManager.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = BackgroundManager.swift; sourceTree = "<group>"; };
 		D6D94954298963A900C59229 /* Colors.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Colors.swift; sourceTree = "<group>"; };
 		D6D9498C298CBB4000C59229 /* TrendingStatusCollectionViewCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TrendingStatusCollectionViewCell.swift; sourceTree = "<group>"; };
-		D6D9498E298EB79400C59229 /* CopyableLabel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CopyableLabel.swift; sourceTree = "<group>"; };
+		D6D9498E298EB79400C59229 /* CopyableLable.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CopyableLable.swift; sourceTree = "<group>"; };
 		D6DD8FFC298495A8002AD3FD /* LogoutService.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LogoutService.swift; sourceTree = "<group>"; };
 		D6DD8FFE2984D327002AD3FD /* BookmarksViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = BookmarksViewController.swift; sourceTree = "<group>"; };
 		D6DD996A2998611A0015C962 /* SuggestedProfilesViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SuggestedProfilesViewController.swift; sourceTree = "<group>"; };
@@ -816,6 +828,7 @@
 			isa = PBXFrameworksBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				D630C4252BC7845800208903 /* WebURL in Frameworks */,
 				D62220472C7EA8DF003E43B7 /* TuskerPreferences in Frameworks */,
 				D630C4232BC7842C00208903 /* HTMLStreamer in Frameworks */,
 				D630C3E52BC6313400208903 /* Pachyderm in Frameworks */,
@@ -852,6 +865,7 @@
 				D6934F2C2BA7AD32002B1C8D /* GalleryVC in Frameworks */,
 				D6552367289870790048A653 /* ScreenCorners in Frameworks */,
 				D60BB3942B30076F00DAEA65 /* HTMLStreamer in Frameworks */,
+				D6676CA527A8D0020052936B /* WebURLFoundationExtras in Frameworks */,
 				D63CC702290EC0B8000E19DE /* Sentry in Frameworks */,
 				D6BEA245291A0EDE002F4D01 /* Duckable in Frameworks */,
 			);
@@ -887,9 +901,13 @@
 			children = (
 				D6934F2D2BA7AEF9002B1C8D /* StatusAttachmentsGalleryDataSource.swift */,
 				D6934F332BA8D65A002B1C8D /* ImageGalleryDataSource.swift */,
-				D6934F2F2BA7AF91002B1C8D /* GrayscalableImageGalleryContentViewController.swift */,
+				D6934F312BA7E43E002B1C8D /* LoadingGalleryContentViewController.swift */,
+				D6934F2F2BA7AF91002B1C8D /* ImageGalleryContentViewController.swift */,
 				D6934F352BA8E020002B1C8D /* GifvGalleryContentViewController.swift */,
-				D6934F3B2BAA0F80002B1C8D /* GrayscalableVideoGalleryContentViewController.swift */,
+				D6934F3B2BAA0F80002B1C8D /* VideoGalleryContentViewController.swift */,
+				D69261222BB3AEFB0023152C /* VideoOverlayViewController.swift */,
+				D6934F412BAC7D6E002B1C8D /* VideoControlsViewController.swift */,
+				D6934F392BA8F3D7002B1C8D /* FallbackGalleryContentViewController.swift */,
 			);
 			path = Gallery;
 			sourceTree = "<group>";
@@ -1472,7 +1490,7 @@
 				D6ADB6EF28ED1F25009924AB /* CachedImageView.swift */,
 				D6895DC328D65342006341DA /* ConfirmReblogStatusPreviewView.swift */,
 				D620483523D38075008A63EF /* ContentTextView.swift */,
-				D6D9498E298EB79400C59229 /* CopyableLabel.swift */,
+				D6D9498E298EB79400C59229 /* CopyableLable.swift */,
 				D6E426B225337C7000C02E1C /* CustomEmojiImageView.swift */,
 				D6969E9F240C8384002843CE /* EmojiLabel.swift */,
 				D61F75B8293C15A000C0B37F /* ZeroHeightCollectionViewCell.swift */,
@@ -1609,6 +1627,7 @@
 				D6DEBA8C2B6579830008629A /* MainThreadBox.swift */,
 				D6B81F432560390300F6E31D /* MenuController.swift */,
 				D6CF5B842AC7C56F00F15D83 /* MultiColumnCollectionViewLayout.swift */,
+				D64D8CA82463B494006B0BAA /* MultiThreadDictionary.swift */,
 				D6945C2E23AC47C3005C403C /* SavedDataManager.swift */,
 				D61F759E29385AD800C0B37F /* SemiCaseSensitiveComparator.swift */,
 				D6895DE828D962C2006341DA /* TimelineLikeController.swift */,
@@ -1777,6 +1796,7 @@
 				D630C3E02BC61C6700208903 /* UserAccounts */,
 				D630C3E42BC6313400208903 /* Pachyderm */,
 				D630C4222BC7842C00208903 /* HTMLStreamer */,
+				D630C4242BC7845800208903 /* WebURL */,
 				D62220462C7EA8DF003E43B7 /* TuskerPreferences */,
 			);
 			productName = NotificationExtension;
@@ -1828,6 +1848,7 @@
 			);
 			name = Tusker;
 			packageProductDependencies = (
+				D6676CA427A8D0020052936B /* WebURLFoundationExtras */,
 				D674A50827F9128D00BA03AC /* Pachyderm */,
 				D6552366289870790048A653 /* ScreenCorners */,
 				D63CC701290EC0B8000E19DE /* Sentry */,
@@ -1954,6 +1975,7 @@
 			);
 			mainGroup = D6D4DDC3212518A000E1C4BB;
 			packageReferences = (
+				D6676CA127A8D0020052936B /* XCRemoteSwiftPackageReference "swift-url" */,
 				D6552365289870790048A653 /* XCRemoteSwiftPackageReference "ScreenCorners" */,
 				D63CC700290EC0B8000E19DE /* XCRemoteSwiftPackageReference "sentry-cocoa" */,
 				D60BB3922B30076F00DAEA65 /* XCRemoteSwiftPackageReference "HTMLStreamer" */,
@@ -2103,6 +2125,7 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				D6934F422BAC7D6E002B1C8D /* VideoControlsViewController.swift in Sources */,
 				0427033A22B31269000D31B6 /* AdvancedPrefsView.swift in Sources */,
 				D6C3F4F5298ED0890009FCFF /* LocalPredicateStatusesViewController.swift in Sources */,
 				D691771729A710520054D7EF /* ProfileNoContentCollectionViewCell.swift in Sources */,
@@ -2149,7 +2172,8 @@
 				D6A4DCCC2553667800D9DE31 /* FastAccountSwitcherViewController.swift in Sources */,
 				D627944F23A9C99800D38C68 /* EditListAccountsViewController.swift in Sources */,
 				D6945C3423AC6431005C403C /* AddSavedHashtagViewController.swift in Sources */,
-				D6934F3C2BAA0F80002B1C8D /* GrayscalableVideoGalleryContentViewController.swift in Sources */,
+				D69261232BB3AEFB0023152C /* VideoOverlayViewController.swift in Sources */,
+				D6934F3C2BAA0F80002B1C8D /* VideoGalleryContentViewController.swift in Sources */,
 				D6F6A552291F098700F496A8 /* RenameListService.swift in Sources */,
 				D62D2426217ABF63005076CC /* UserActivityType.swift in Sources */,
 				D698F46B2BD079F00054DB14 /* AnnouncementListRow.swift in Sources */,
@@ -2169,6 +2193,7 @@
 				D6D94955298963A900C59229 /* Colors.swift in Sources */,
 				D6945C3823AC739F005C403C /* InstanceTimelineViewController.swift in Sources */,
 				D625E4822588262A0074BB2B /* DraggableTableViewCell.swift in Sources */,
+				D6934F322BA7E43E002B1C8D /* LoadingGalleryContentViewController.swift in Sources */,
 				D68E525B24A3D77E0054355A /* TuskerRootViewController.swift in Sources */,
 				D62D2422217AA7E1005076CC /* UserActivityManager.swift in Sources */,
 				D64A50482C739DEA009D7193 /* BaseMainTabBarViewController.swift in Sources */,
@@ -2196,6 +2221,7 @@
 				D630C3CC2BC5FD4600208903 /* GetAuthorizationTokenService.swift in Sources */,
 				D61DC84B28F4FD2000B82C6E /* ProfileHeaderCollectionViewCell.swift in Sources */,
 				D61A45E828DF477D002BE511 /* LoadingCollectionViewCell.swift in Sources */,
+				D6934F3A2BA8F3D7002B1C8D /* FallbackGalleryContentViewController.swift in Sources */,
 				D67B506D250B291200FAECFB /* BlurHashDecode.swift in Sources */,
 				D68A76EC295369A8001DA1B3 /* AboutView.swift in Sources */,
 				04DACE8E212CC7CC009840C4 /* ImageCache.swift in Sources */,
@@ -2280,7 +2306,7 @@
 				D61ABEFE28F1C92600B29151 /* FavoriteService.swift in Sources */,
 				D61F75AB293AF11400C0B37F /* FilterKeywordMO.swift in Sources */,
 				D65B4B5A29720AB000DABDFB /* ReportStatusView.swift in Sources */,
-				D6D9498F298EB79400C59229 /* CopyableLabel.swift in Sources */,
+				D6D9498F298EB79400C59229 /* CopyableLable.swift in Sources */,
 				D6333B792139AEFD00CE884A /* Date+TimeAgo.swift in Sources */,
 				D6D706A029466649000827ED /* ScrollingSegmentedControl.swift in Sources */,
 				D686BBE324FBF8110068E6AA /* WrappedProgressView.swift in Sources */,
@@ -2318,7 +2344,7 @@
 				D61A45EA28DF51EE002BE511 /* TimelineLikeCollectionViewController.swift in Sources */,
 				D64D0AB12128D9AE005A6F37 /* OnboardingViewController.swift in Sources */,
 				D64A50BE2C752247009D7193 /* AdaptableNavigationController.swift in Sources */,
-				D6934F302BA7AF91002B1C8D /* GrayscalableImageGalleryContentViewController.swift in Sources */,
+				D6934F302BA7AF91002B1C8D /* ImageGalleryContentViewController.swift in Sources */,
 				D6934F3E2BAA19D5002B1C8D /* ImageActivityItemSource.swift in Sources */,
 				D67C1795266D57D10070F250 /* FastAccountSwitcherIndicatorView.swift in Sources */,
 				D61F75962937037800C0B37F /* ToggleFollowHashtagService.swift in Sources */,
@@ -2364,6 +2390,7 @@
 				D62E9987279D094F00C26176 /* StatusMetaIndicatorsView.swift in Sources */,
 				D6BEA247291A0F2D002F4D01 /* Duckable+Root.swift in Sources */,
 				D6C1B2082545D1EC00DAAA66 /* StatusCardView.swift in Sources */,
+				D64D8CA92463B494006B0BAA /* MultiThreadDictionary.swift in Sources */,
 				D630C3CA2BC59FF500208903 /* MastodonController+Push.swift in Sources */,
 				D6F6A554291F0D9600F496A8 /* DeleteListService.swift in Sources */,
 				D68E6F5F253C9B2D001A1B4C /* BaseEmojiLabel.swift in Sources */,
@@ -2520,7 +2547,6 @@
 				INFOPLIST_FILE = NotificationExtension/Info.plist;
 				INFOPLIST_KEY_CFBundleDisplayName = NotificationExtension;
 				INFOPLIST_KEY_NSHumanReadableCopyright = "Copyright © 2024 Shadowfacts. All rights reserved.";
-				IPHONEOS_DEPLOYMENT_TARGET = 16.0;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
@@ -2553,7 +2579,6 @@
 				INFOPLIST_FILE = NotificationExtension/Info.plist;
 				INFOPLIST_KEY_CFBundleDisplayName = NotificationExtension;
 				INFOPLIST_KEY_NSHumanReadableCopyright = "Copyright © 2024 Shadowfacts. All rights reserved.";
-				IPHONEOS_DEPLOYMENT_TARGET = 16.0;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
@@ -2585,7 +2610,6 @@
 				INFOPLIST_FILE = NotificationExtension/Info.plist;
 				INFOPLIST_KEY_CFBundleDisplayName = NotificationExtension;
 				INFOPLIST_KEY_NSHumanReadableCopyright = "Copyright © 2024 Shadowfacts. All rights reserved.";
-				IPHONEOS_DEPLOYMENT_TARGET = 16.0;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
@@ -2676,7 +2700,6 @@
 				CURRENT_PROJECT_VERSION = "$(CURRENT_PROJECT_VERSION)";
 				INFOPLIST_FILE = Tusker/Info.plist;
 				INFOPLIST_KEY_LSApplicationCategoryType = "public.app-category.social-networking";
-				IPHONEOS_DEPLOYMENT_TARGET = 16.0;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
@@ -2720,7 +2743,7 @@
 				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
 				CODE_SIGN_STYLE = Automatic;
 				INFOPLIST_FILE = TuskerUITests/Info.plist;
-				IPHONEOS_DEPLOYMENT_TARGET = 16.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 15.0;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
@@ -2743,7 +2766,6 @@
 				CODE_SIGN_STYLE = Automatic;
 				CURRENT_PROJECT_VERSION = "$(CURRENT_PROJECT_VERSION)";
 				INFOPLIST_FILE = OpenInTusker/Info.plist;
-				IPHONEOS_DEPLOYMENT_TARGET = 16.0;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
@@ -2771,7 +2793,6 @@
 				INFOPLIST_FILE = ShareExtension/Info.plist;
 				INFOPLIST_KEY_CFBundleDisplayName = ShareExtension;
 				INFOPLIST_KEY_NSHumanReadableCopyright = "Copyright © 2023 Shadowfacts. All rights reserved.";
-				IPHONEOS_DEPLOYMENT_TARGET = 16.0;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
@@ -2800,7 +2821,6 @@
 				INFOPLIST_FILE = ShareExtension/Info.plist;
 				INFOPLIST_KEY_CFBundleDisplayName = ShareExtension;
 				INFOPLIST_KEY_NSHumanReadableCopyright = "Copyright © 2023 Shadowfacts. All rights reserved.";
-				IPHONEOS_DEPLOYMENT_TARGET = 16.0;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
@@ -2829,7 +2849,6 @@
 				INFOPLIST_FILE = ShareExtension/Info.plist;
 				INFOPLIST_KEY_CFBundleDisplayName = ShareExtension;
 				INFOPLIST_KEY_NSHumanReadableCopyright = "Copyright © 2023 Shadowfacts. All rights reserved.";
-				IPHONEOS_DEPLOYMENT_TARGET = 16.0;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
@@ -2985,7 +3004,6 @@
 				CURRENT_PROJECT_VERSION = "$(CURRENT_PROJECT_VERSION)";
 				INFOPLIST_FILE = Tusker/Info.plist;
 				INFOPLIST_KEY_LSApplicationCategoryType = "public.app-category.social-networking";
-				IPHONEOS_DEPLOYMENT_TARGET = 16.0;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
@@ -3018,7 +3036,6 @@
 				CURRENT_PROJECT_VERSION = "$(CURRENT_PROJECT_VERSION)";
 				INFOPLIST_FILE = Tusker/Info.plist;
 				INFOPLIST_KEY_LSApplicationCategoryType = "public.app-category.social-networking";
-				IPHONEOS_DEPLOYMENT_TARGET = 16.0;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
@@ -3083,7 +3100,7 @@
 				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
 				CODE_SIGN_STYLE = Automatic;
 				INFOPLIST_FILE = TuskerUITests/Info.plist;
-				IPHONEOS_DEPLOYMENT_TARGET = 16.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 15.0;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
@@ -3103,7 +3120,7 @@
 				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
 				CODE_SIGN_STYLE = Automatic;
 				INFOPLIST_FILE = TuskerUITests/Info.plist;
-				IPHONEOS_DEPLOYMENT_TARGET = 16.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 15.0;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
@@ -3126,7 +3143,6 @@
 				CODE_SIGN_STYLE = Automatic;
 				CURRENT_PROJECT_VERSION = "$(CURRENT_PROJECT_VERSION)";
 				INFOPLIST_FILE = OpenInTusker/Info.plist;
-				IPHONEOS_DEPLOYMENT_TARGET = 16.0;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
@@ -3151,7 +3167,6 @@
 				CODE_SIGN_STYLE = Automatic;
 				CURRENT_PROJECT_VERSION = "$(CURRENT_PROJECT_VERSION)";
 				INFOPLIST_FILE = OpenInTusker/Info.plist;
-				IPHONEOS_DEPLOYMENT_TARGET = 16.0;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
@@ -3267,6 +3282,14 @@
 				minimumVersion = 1.0.1;
 			};
 		};
+		D6676CA127A8D0020052936B /* XCRemoteSwiftPackageReference "swift-url" */ = {
+			isa = XCRemoteSwiftPackageReference;
+			repositoryURL = "https://github.com/karwa/swift-url";
+			requirement = {
+				kind = exactVersion;
+				version = 0.4.2;
+			};
+		};
 /* End XCRemoteSwiftPackageReference section */
 
 /* Begin XCSwiftPackageProductDependency section */
@@ -3304,6 +3327,11 @@
 			package = D60BB3922B30076F00DAEA65 /* XCRemoteSwiftPackageReference "HTMLStreamer" */;
 			productName = HTMLStreamer;
 		};
+		D630C4242BC7845800208903 /* WebURL */ = {
+			isa = XCSwiftPackageProductDependency;
+			package = D6676CA127A8D0020052936B /* XCRemoteSwiftPackageReference "swift-url" */;
+			productName = WebURL;
+		};
 		D635237029B78A7D009ED5E7 /* TuskerComponents */ = {
 			isa = XCSwiftPackageProductDependency;
 			productName = TuskerComponents;
@@ -3322,6 +3350,11 @@
 			isa = XCSwiftPackageProductDependency;
 			productName = TTTKit;
 		};
+		D6676CA427A8D0020052936B /* WebURLFoundationExtras */ = {
+			isa = XCSwiftPackageProductDependency;
+			package = D6676CA127A8D0020052936B /* XCRemoteSwiftPackageReference "swift-url" */;
+			productName = WebURLFoundationExtras;
+		};
 		D674A50827F9128D00BA03AC /* Pachyderm */ = {
 			isa = XCSwiftPackageProductDependency;
 			productName = Pachyderm;

Tusker/Caching/DiskCache.swift

@@ -8,7 +8,6 @@
 
 import Foundation
 import CryptoKit
-import os
 
 struct DiskCacheTransformer<T> {
     let toData: (T) throws -> Data
@@ -22,7 +21,7 @@ class DiskCache<T> {
     let defaultExpiry: CacheExpiry
     let transformer: DiskCacheTransformer<T>
     
-    private var fileStates = OSAllocatedUnfairLock(initialState: [String: FileState]())
+    private var fileStates = MultiThreadDictionary<String, FileState>()
     
     init(name: String, defaultExpiry: CacheExpiry, transformer: DiskCacheTransformer<T>, fileManager: FileManager = .default) throws {
         self.defaultExpiry = defaultExpiry
@@ -60,9 +59,7 @@ class DiskCache<T> {
     }
     
     private func fileState(forKey key: String) -> FileState {
-        return fileStates.withLock {
-            $0[key] ?? .unknown
-        }
+        return fileStates[key] ?? .unknown
     }
     
     func setObject(_ object: T, forKey key: String) throws {
@@ -71,17 +68,13 @@ class DiskCache<T> {
         guard fileManager.createFile(atPath: path, contents: data, attributes: [.modificationDate: defaultExpiry.date]) else {
             throw Error.couldNotCreateFile
         }
-        fileStates.withLock {
-            $0[key] = .exists
-        }
+        fileStates[key] = .exists
     }
     
     func removeObject(forKey key: String) throws {
         let path = makeFilePath(for: key)
         try fileManager.removeItem(atPath: path)
-        fileStates.withLock {
-            $0[key] = .doesNotExist
-        }
+        fileStates[key] = .doesNotExist
     }
     
     func existsObject(forKey key: String) throws -> Bool {
@@ -112,9 +105,7 @@ class DiskCache<T> {
         }
         guard date.timeIntervalSinceNow >= 0 else {
             try fileManager.removeItem(atPath: path)
-            fileStates.withLock {
-                $0[key] = .doesNotExist
-            }
+            fileStates[key] = .doesNotExist
             throw Error.expired
         }
         

Tusker/CoreData/FollowedHashtag.swift

@@ -9,6 +9,7 @@
 import Foundation
 import CoreData
 import Pachyderm
+import WebURLFoundationExtras
 
 @objc(FollowedHashtag)
 public final class FollowedHashtag: NSManagedObject {
@@ -32,6 +33,6 @@ extension FollowedHashtag {
     convenience init(hashtag: Hashtag, context: NSManagedObjectContext) {
         self.init(context: context)
         self.name = hashtag.name
-        self.url = hashtag.url
+        self.url = URL(hashtag.url)!
     }
 }

Tusker/CoreData/MastodonCachePersistentStore.swift

@@ -375,14 +375,13 @@ class MastodonCachePersistentStore: NSPersistentCloudKitContainer, @unchecked Se
         }
     }
 
-    func addAll(notifications: [Pachyderm.Notification], in context: NSManagedObjectContext? = nil, completion: (() -> Void)? = nil) {
-        let context = context ?? backgroundContext
-        context.perform {
+    func addAll(notifications: [Pachyderm.Notification], completion: (() -> Void)? = nil) {
+        backgroundContext.perform {
             let statuses = notifications.compactMap { $0.status }
             let accounts = notifications.map { $0.account }
-            statuses.forEach { self.upsert(status: $0, context: context) }
-            accounts.forEach { self.upsert(account: $0, in: context) }
-            self.save(context: context)
+            statuses.forEach { self.upsert(status: $0, context: self.backgroundContext) }
+            accounts.forEach { self.upsert(account: $0, in: self.backgroundContext) }
+            self.save(context: self.backgroundContext)
             completion?()
             statuses.forEach { self.statusSubject.send($0.id) }
             accounts.forEach { self.accountSubject.send($0.id) }

Tusker/CoreData/SavedHashtag.swift

@@ -9,6 +9,7 @@
 import Foundation
 import CoreData
 import Pachyderm
+import WebURLFoundationExtras
 import UserAccounts
 
 @objc(SavedHashtag)
@@ -41,6 +42,6 @@ extension SavedHashtag {
         self.init(context: context)
         self.accountID = account.id
         self.name = hashtag.name
-        self.url = hashtag.url
+        self.url = URL(hashtag.url)!
     }
 }

Tusker/CoreData/StatusMO.swift

@@ -10,6 +10,7 @@
 import Foundation
 import CoreData
 import Pachyderm
+import WebURLFoundationExtras
 
 @objc(StatusMO)
 public final class StatusMO: NSManagedObject, StatusProtocol {
@@ -135,7 +136,7 @@ extension StatusMO {
         self.sensitive = status.sensitive
         self.spoilerText = status.spoilerText
         self.uri = status.uri
-        self.url = status.url
+        self.url = status.url != nil ? URL(status.url!) : nil
         self.visibility = status.visibility
         self.poll = status.poll
         self.localOnly = status.localOnly ?? false

Tusker/CoreData/TimelinePosition.swift

@@ -76,10 +76,17 @@ func fromTimelineKind(_ kind: String) -> Timeline {
     } else if kind == "direct" {
         return .direct
     } else if kind.starts(with: "hashtag:") {
-        return .tag(hashtag: String(kind.trimmingPrefix("hashtag:")))
+        return .tag(hashtag: String(trimmingPrefix("hashtag:", of: kind)))
     } else if kind.starts(with: "list:") {
-        return .list(id: String(kind.trimmingPrefix("list:")))
+        return .list(id: String(trimmingPrefix("list:", of: kind)))
     } else {
         fatalError("invalid timeline kind \(kind)")
     }
 }
+
+// replace with Collection.trimmingPrefix
+@available(iOS, obsoleted: 16.0)
+@available(visionOS 1.0, *)
+private func trimmingPrefix(_ prefix: String, of str: String) -> Substring {
+    return str[str.index(str.startIndex, offsetBy: prefix.count)...]
+}

Tusker/Extensions/View+AppListStyle.swift

@@ -36,12 +36,19 @@ private struct AppGroupedListBackground: ViewModifier {
     }
     
     func body(content: Content) -> some View {
-        if colorScheme == .dark, !pureBlackDarkMode {
-            content
-                .scrollContentBackground(.hidden)
-                .background(Color.appGroupedBackground.edgesIgnoringSafeArea(.all))
+        if #available(iOS 16.0, *) {
+            if colorScheme == .dark, !pureBlackDarkMode {
+                content
+                    .scrollContentBackground(.hidden)
+                    .background(Color.appGroupedBackground.edgesIgnoringSafeArea(.all))
+            } else {
+                content
+            }
         } else {
             content
+                .onAppear {
+                    UITableView.appearance(whenContainedInInstancesOf: [container]).backgroundColor = .appGroupedBackground
+                }
         }
     }
 }

Tusker/HTMLConverter.swift

@@ -8,7 +8,8 @@
 
 import UIKit
 import HTMLStreamer
-import Pachyderm
+import WebURL
+import WebURLFoundationExtras
 
 class HTMLConverter {
     
@@ -44,7 +45,18 @@ extension HTMLConverter {
     // note: this is duplicated in NotificationExtension
     struct Callbacks: HTMLConversionCallbacks {
         static func makeURL(string: String) -> URL? {
-            try? URL.ParseStrategy().parse(string)
+            // Converting WebURL to URL is a small but non-trivial expense (since it works by
+            // serializing the WebURL as a string and then having Foundation parse it again),
+            // so, if available, use the system parser which doesn't require another round trip.
+            if #available(iOS 16.0, macOS 13.0, *),
+               let url = try? URL.ParseStrategy().parse(string) {
+                url
+            } else if let web = WebURL(string),
+                      let url = URL(web) {
+                url
+            } else {
+                URL(string: string)
+            }
         }
         
         static func elementAction(name: String, attributes: [Attribute]) -> ElementAction {

Tusker/MultiThreadDictionary.swift

@@ -0,0 +1,104 @@
+//
+//  MultiThreadDictionary.swift
+//  Tusker
+//
+//  Created by Shadowfacts on 5/6/20.
+//  Copyright © 2020 Shadowfacts. All rights reserved.
+//
+
+import Foundation
+import os
+
+// once we target iOS 16, replace uses of this with OSAllocatedUnfairLock<[Key: Value]>
+// to make the lock semantics more clear
+@available(iOS, obsoleted: 16.0)
+@available(visionOS 1.0, *)
+final class MultiThreadDictionary<Key: Hashable & Sendable, Value: Sendable>: @unchecked Sendable {
+    #if os(visionOS)
+    private let lock = OSAllocatedUnfairLock(initialState: [Key: Value]())
+    #else
+    private let lock: any Lock<[Key: Value]>
+    #endif
+    
+    init() {
+        #if !os(visionOS)
+        if #available(iOS 16.0, *) {
+            self.lock = OSAllocatedUnfairLock(initialState: [:])
+        } else {
+            self.lock = UnfairLock(initialState: [:])
+        }
+        #endif
+    }
+    
+    subscript(key: Key) -> Value? {
+        get {
+            return lock.withLock { dict in
+                dict[key]
+            }
+        }
+        set(value) {
+            #if os(visionOS)
+            lock.withLock { dict in
+                dict[key] = value
+            }
+            #else
+            _ = lock.withLock { dict in
+                dict[key] = value
+            }
+            #endif
+        }
+    }
+    
+    /// If the result of this function is unused, it is preferable to use `removeValueWithoutReturning` as it executes asynchronously and doesn't block the calling thread.
+    func removeValue(forKey key: Key) -> Value? {
+        return lock.withLock { dict in
+            dict.removeValue(forKey: key)
+        }
+    }
+    
+    func contains(key: Key) -> Bool {
+        return lock.withLock { dict in
+            dict.keys.contains(key)
+        }
+    }
+    
+    // TODO: this should really be throws/rethrows but the stupid type-erased lock makes that not possible
+    func withLock<R>(_ body: @Sendable (inout [Key: Value]) throws -> R) rethrows -> R where R: Sendable {
+        return try lock.withLock { dict in
+            return try body(&dict)
+        }
+    }
+}
+
+#if !os(visionOS)
+// TODO: replace this only with OSAllocatedUnfairLock
+@available(iOS, obsoleted: 16.0)
+fileprivate protocol Lock<State> {
+    associatedtype State
+    func withLock<R>(_ body: @Sendable (inout State) throws -> R) rethrows -> R where R: Sendable
+}
+
+@available(iOS 16.0, *)
+extension OSAllocatedUnfairLock: Lock {
+}
+
+// from http://www.russbishop.net/the-law
+fileprivate class UnfairLock<State>: Lock {
+    private var lock: UnsafeMutablePointer<os_unfair_lock>
+    private var state: State
+    init(initialState: State) {
+        self.state = initialState
+        self.lock = .allocate(capacity: 1)
+        self.lock.initialize(to: os_unfair_lock())
+    }
+    deinit {
+        self.lock.deinitialize(count: 1)
+        self.lock.deallocate()
+    }
+    func withLock<R>(_ body: (inout State) throws -> R) rethrows -> R where R: Sendable {
+        os_unfair_lock_lock(lock)
+        defer { os_unfair_lock_unlock(lock) }
+        return try body(&state)
+    }
+}
+#endif

Tusker/Scenes/MainSceneDelegate.swift

@@ -274,7 +274,8 @@ class MainSceneDelegate: UIResponder, UIWindowSceneDelegate, TuskerSceneDelegate
         } else {
             mainVC = MainSplitViewController(mastodonController: mastodonController)
         }
-        if UIDevice.current.userInterfaceIdiom == .phone {
+        if UIDevice.current.userInterfaceIdiom == .phone,
+           #available(iOS 16.0, *) {
             // TODO: maybe the duckable container should be outside the account switching container
             return DuckableContainerViewController(child: mainVC)
         } else {

Tusker/Screens/Announcements/AddReactionView.swift

@@ -86,7 +86,7 @@ struct AddReactionView: View {
             }
         }
         .navigationViewStyle(.stack)
-        .presentationDetents([.medium, .large])
+        .mediumPresentationDetentIfAvailable()
         .alertWithData("Error Adding Reaction", data: $error, actions: { _ in
             Button("OK") {}
         }, message: { error in
@@ -171,6 +171,17 @@ private struct AddReactionButton<Label: View>: View {
 }
 
 private extension View {
+    @available(iOS, obsoleted: 16.0)
+    @available(visionOS 1.0, *)
+    @ViewBuilder
+    func mediumPresentationDetentIfAvailable() -> some View {
+        if #available(iOS 16.0, *) {
+            self.presentationDetents([.medium, .large])
+        } else {
+            self
+        }
+    }
+    
     @available(iOS, obsoleted: 17.1)
     @available(visionOS 1.0, *)
     @ViewBuilder

Tusker/Screens/Announcements/AnnouncementContentTextView.swift

@@ -8,6 +8,7 @@
 
 import UIKit
 import Pachyderm
+import WebURL
 
 class AnnouncementContentTextView: ContentTextView {
     
@@ -29,7 +30,7 @@ class AnnouncementContentTextView: ContentTextView {
     
     override func getMention(for url: URL, text: String) -> Mention? {
         announcement?.mentions.first {
-            $0.url == url
+            URL($0.url) == url
         }.map {
             Mention(url: $0.url, username: $0.username, acct: $0.acct, id: $0.id)
         }
@@ -37,7 +38,7 @@ class AnnouncementContentTextView: ContentTextView {
     
     override func getHashtag(for url: URL, text: String) -> Hashtag? {
         announcement?.tags.first {
-            $0.url == url
+            URL($0.url) == url
         }
     }
 

Tusker/Screens/Announcements/AnnouncementListRow.swift

@@ -9,6 +9,7 @@
 import SwiftUI
 import Pachyderm
 import TuskerComponents
+import WebURLFoundationExtras
 
 struct AnnouncementListRow: View {
     @Binding var announcement: Announcement
@@ -19,10 +20,14 @@ struct AnnouncementListRow: View {
     @State private var isShowingAddReactionSheet = false
     
     var body: some View {
-        mostOfTheBody
-            .alignmentGuide(.listRowSeparatorLeading, computeValue: { dimension in
-                dimension[.leading]
-            })
+        if #available(iOS 16.0, *) {
+            mostOfTheBody
+                .alignmentGuide(.listRowSeparatorLeading, computeValue: { dimension in
+                    dimension[.leading]
+                })
+        } else {
+            mostOfTheBody
+        }
     }
     
     private var mostOfTheBody: some View {
@@ -49,7 +54,11 @@ struct AnnouncementListRow: View {
                         Label {
                             Text("Add Reaction")
                         } icon: {
-                            Image("face.smiling.badge.plus")
+                            if #available(iOS 16.0, *) {
+                                Image("face.smiling.badge.plus")
+                            } else {
+                                Image(systemName: "face.smiling")
+                            }
                         }
                     }
                     .labelStyle(.iconOnly)
@@ -115,8 +124,8 @@ struct AnnouncementListRow: View {
         let url: URL?
         let staticURL: URL?
         if case .custom(let emoji) = reaction {
-            url = emoji.url
-            staticURL = emoji.staticURL
+            url = URL(emoji.url)
+            staticURL = URL(emoji.staticURL)
         } else {
             url = nil
             staticURL = nil

Tusker/Screens/Conversation/ConversationViewController.swift

@@ -8,6 +8,8 @@
 
 import UIKit
 import Pachyderm
+import WebURL
+import WebURLFoundationExtras
 
 private let mastodonRemoteStatusRegex = try! NSRegularExpression(pattern: "^/@.+@.+/\\d{18}")
 private func isLikelyMastodonRemoteStatus(url: URL) -> Bool {
@@ -227,10 +229,10 @@ class ConversationViewController: UIViewController {
               let location = (response as? HTTPURLResponse)?.value(forHTTPHeaderField: "location") {
                effectiveURL = location
            } else {
-               effectiveURL = url.formatted(.url.fragment(.never))
+               effectiveURL = WebURL(url)!.serialized(excludingFragment: true)
            }
         } else {
-            effectiveURL = url.formatted(.url.fragment(.never))
+            effectiveURL = WebURL(url)!.serialized(excludingFragment: true)
         }
         
         let request = Client.search(query: effectiveURL, types: [.statuses], resolve: true)
@@ -482,11 +484,3 @@ extension ConversationViewController: StatusBarTappableViewController {
         }
     }
 }
-
-extension ConversationViewController: RefreshableViewController {
-    func refresh() {
-        Task {
-            await refreshContext()
-        }
-    }
-}

Tusker/Screens/Customize Timelines/AddHashtagPinnedTimelineView.swift

@@ -9,6 +9,20 @@
 import SwiftUI
 import Pachyderm
 
+@available(iOS, obsoleted: 16.0)
+struct AddHashtagPinnedTimelineRepresentable: UIViewControllerRepresentable {
+    typealias UIViewControllerType = UIHostingController<AddHashtagPinnedTimelineView>
+    
+    @Binding var pinnedTimelines: [PinnedTimeline]
+    
+    func makeUIViewController(context: Context) -> UIHostingController<AddHashtagPinnedTimelineView> {
+        return UIHostingController(rootView: AddHashtagPinnedTimelineView(pinnedTimelines: $pinnedTimelines))
+    }
+    
+    func updateUIViewController(_ uiViewController: UIHostingController<AddHashtagPinnedTimelineView>, context: Context) {
+    }
+}
+
 struct AddHashtagPinnedTimelineView: View {
     @EnvironmentObject private var mastodonController: MastodonController
     @Environment(\.dismiss) private var dismiss
@@ -35,6 +49,9 @@ struct AddHashtagPinnedTimelineView: View {
     var body: some View {
         NavigationView {
             list
+                #if !os(visionOS)
+                .appGroupedListBackground(container: AddHashtagPinnedTimelineRepresentable.UIViewControllerType.self)
+                #endif
                 .listStyle(.grouped)
                 .navigationTitle("Add Hashtag")
                 .navigationBarTitleDisplayMode(.inline)

Tusker/Screens/Customize Timelines/CustomizeTimelinesView.swift

@@ -36,8 +36,15 @@ struct CustomizeTimelinesList: View {
     }
 
     var body: some View {
-        NavigationStack {
-            navigationBody
+        if #available(iOS 16.0, *) {
+            NavigationStack {
+                navigationBody
+            }
+        } else {
+            NavigationView {
+                navigationBody
+            }
+            .navigationViewStyle(.stack)
         }
     }
     

Tusker/Screens/Customize Timelines/EditFilterView.swift

@@ -149,7 +149,7 @@ struct EditFilterView: View {
         }
         .appGroupedListBackground(container: UIHostingController<CustomizeTimelinesList>.self)
         #if !os(visionOS)
-        .scrollDismissesKeyboard(.interactively)
+        .scrollDismissesKeyboardInteractivelyIfAvailable()
         #endif
         .navigationTitle(create ? "Add Filter" : "Edit Filter")
         .navigationBarTitleDisplayMode(.inline)
@@ -226,6 +226,18 @@ private struct FilterContextToggleStyle: ToggleStyle {
     }
 }
 
+private extension View {
+    @available(iOS, obsoleted: 16.0)
+    @ViewBuilder
+    func scrollDismissesKeyboardInteractivelyIfAvailable() -> some View {
+        if #available(iOS 16.0, *) {
+            self.scrollDismissesKeyboard(.interactively)
+        } else {
+            self
+        }
+    }
+}
+
 //struct EditFilterView_Previews: PreviewProvider {
 //    static var previews: some View {
 //        EditFilterView()

Tusker/Screens/Customize Timelines/PinnedTimelinesView.swift

@@ -115,8 +115,18 @@ struct PinnedTimelinesModifier: ViewModifier {
     func body(content: Content) -> some View {
         content
             .sheet(isPresented: $isShowingAddHashtagSheet, content: {
+                #if os(visionOS)
                 AddHashtagPinnedTimelineView(pinnedTimelines: $pinnedTimelines)
                     .edgesIgnoringSafeArea(.bottom)
+                #else
+                if #available(iOS 16.0, *) {
+                    AddHashtagPinnedTimelineView(pinnedTimelines: $pinnedTimelines)
+                        .edgesIgnoringSafeArea(.bottom)
+                } else {
+                    AddHashtagPinnedTimelineRepresentable(pinnedTimelines: $pinnedTimelines)
+                        .edgesIgnoringSafeArea(.bottom)
+                }
+                #endif
             })
             .sheet(isPresented: $isShowingAddInstanceSheet, content: {
                 AddInstancePinnedTimelineView(pinnedTimelines: $pinnedTimelines)

Tusker/Screens/Explore/ExploreViewController.swift

@@ -10,6 +10,7 @@ import UIKit
 import Combine
 import Pachyderm
 import CoreData
+import WebURLFoundationExtras
 
 class ExploreViewController: UIViewController, UICollectionViewDelegate, CollectionViewController {
 
@@ -559,7 +560,10 @@ extension ExploreViewController: UICollectionViewDragDelegate {
             activity.displaysAuxiliaryScene = true
             provider = NSItemProvider(object: activity)
         case let .savedHashtag(hashtag):
-            provider = NSItemProvider(object: hashtag.url as NSURL)
+            guard let url = URL(hashtag.url) else {
+                return []
+            }
+            provider = NSItemProvider(object: url as NSURL)
             if let activity = UserActivityManager.showTimelineActivity(timeline: .tag(hashtag: hashtag.name), accountID: accountID) {
                 activity.displaysAuxiliaryScene = true
                 provider.registerObject(activity, visibility: .all)

Tusker/Screens/Explore/InlineTrendsViewController.swift

@@ -41,7 +41,9 @@ class InlineTrendsViewController: UIViewController {
 
         navigationItem.searchController = searchController
         navigationItem.hidesSearchBarWhenScrolling = false
-        navigationItem.preferredSearchBarPlacement = .stacked
+        if #available(iOS 16.0, *) {
+            navigationItem.preferredSearchBarPlacement = .stacked
+        }
         
         let trends = TrendsViewController(mastodonController: mastodonController)
         trends.view.translatesAutoresizingMaskIntoConstraints = false

Tusker/Screens/Explore/TrendingHashtagsViewController.swift

@@ -8,6 +8,7 @@
 
 import UIKit
 import Pachyderm
+import WebURLFoundationExtras
 import Combine
 
 class TrendingHashtagsViewController: UIViewController, CollectionViewController {
@@ -276,10 +277,11 @@ extension TrendingHashtagsViewController: UICollectionViewDelegate {
 extension TrendingHashtagsViewController: UICollectionViewDragDelegate {
     func collectionView(_ collectionView: UICollectionView, itemsForBeginning session: UIDragSession, at indexPath: IndexPath) -> [UIDragItem] {
         guard let item = dataSource.itemIdentifier(for: indexPath),
-              case let .tag(hashtag) = item else {
+              case let .tag(hashtag) = item,
+              let url = URL(hashtag.url) else {
                   return []
               }
-        let provider = NSItemProvider(object: hashtag.url as NSURL)
+        let provider = NSItemProvider(object: url as NSURL)
         if let activity = UserActivityManager.showTimelineActivity(timeline: .tag(hashtag: hashtag.name), accountID: mastodonController.accountInfo!.id) {
             activity.displaysAuxiliaryScene = true
             provider.registerObject(activity, visibility: .all)

Tusker/Screens/Explore/TrendingLinkCardCollectionViewCell.swift

@@ -9,6 +9,7 @@
 #if !os(visionOS)
 import UIKit
 import Pachyderm
+import WebURLFoundationExtras
 import HTMLStreamer
 
 class TrendingLinkCardCollectionViewCell: UICollectionViewCell {
@@ -70,7 +71,7 @@ class TrendingLinkCardCollectionViewCell: UICollectionViewCell {
         self.card = card
         self.thumbnailView.image = nil
         
-        thumbnailView.update(for: card.image, blurhash: card.blurhash)
+        thumbnailView.update(for: card.image.flatMap { URL($0) }, blurhash: card.blurhash)
         
         let title = card.title.trimmingCharacters(in: .whitespacesAndNewlines)
         titleLabel.text = title

Tusker/Screens/Explore/TrendingLinkCardView.swift

@@ -9,17 +9,22 @@
 #if os(visionOS)
 import SwiftUI
 import Pachyderm
+import WebURLFoundationExtras
 import HTMLStreamer
 
 struct TrendingLinkCardView: View {
     let card: Card
     
     private var imageURL: URL? {
-        card.image
+        if let image = card.image {
+            URL(image)
+        } else {
+            nil
+        }
     }
     
     private var descriptionText: String {
-        let converter = TextConverter(configuration: .init(insertNewlines: false))
+        var converter = TextConverter(configuration: .init(insertNewlines: false))
         return converter.convert(html: card.description)
     }
     

Tusker/Screens/Explore/TrendingLinksViewController.swift

@@ -8,6 +8,7 @@
 
 import UIKit
 import Pachyderm
+import WebURLFoundationExtras
 import SafariServices
 import Combine
 #if os(visionOS)
@@ -292,19 +293,21 @@ extension TrendingLinksViewController: UICollectionViewDelegate {
     }
     
     func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
-        guard case .link(let card) = dataSource.itemIdentifier(for: indexPath) else {
+        guard case .link(let card) = dataSource.itemIdentifier(for: indexPath),
+              let url = URL(card.url) else {
             return
         }
-        selected(url: card.url)
+        selected(url: url)
     }
     
     func collectionView(_ collectionView: UICollectionView, contextMenuConfigurationForItemAt indexPath: IndexPath, point: CGPoint) -> UIContextMenuConfiguration? {
         guard case .link(let card) = dataSource.itemIdentifier(for: indexPath),
+              let url = URL(card.url),
               let cell = collectionView.cellForItem(at: indexPath) else {
             return nil
         }
         return UIContextMenuConfiguration {
-            let vc = SFSafariViewController(url: card.url)
+            let vc = SFSafariViewController(url: url)
             #if !os(visionOS)
             vc.preferredControlTintColor = Preferences.shared.accentColor.color
             #endif
@@ -321,10 +324,11 @@ extension TrendingLinksViewController: UICollectionViewDelegate {
 
 extension TrendingLinksViewController: UICollectionViewDragDelegate {
     func collectionView(_ collectionView: UICollectionView, itemsForBeginning session: UIDragSession, at indexPath: IndexPath) -> [UIDragItem] {
-        guard case .link(let card) = dataSource.itemIdentifier(for: indexPath) else {
+        guard case .link(let card) = dataSource.itemIdentifier(for: indexPath),
+              let url = URL(card.url) else {
             return []
         }
-        return [UIDragItem(itemProvider: NSItemProvider(object: card.url as NSURL))]
+        return [UIDragItem(itemProvider: NSItemProvider(object: url as NSURL))]
     }
 }
 

Tusker/Screens/Explore/TrendsViewController.swift

@@ -513,7 +513,9 @@ extension TrendsViewController: UICollectionViewDelegate {
             show(HashtagTimelineViewController(for: hashtag, mastodonController: mastodonController), sender: nil)
             
         case let .link(card):
-            selected(url: card.url)
+            if let url = URL(card.url) {
+                selected(url: url)
+            }
             
         case let .status(id, state):
             selected(status: id, state: state.copy())
@@ -523,12 +525,12 @@ extension TrendsViewController: UICollectionViewDelegate {
         }
     }
     
-    func collectionView(_ collectionView: UICollectionView, contextMenuConfigurationForItemsAt indexPaths: [IndexPath], point: CGPoint) -> UIContextMenuConfiguration? {
-        guard indexPaths.count == 1,
-              let item = dataSource.itemIdentifier(for: indexPaths[0])  else {
+    @available(iOS, obsoleted: 16.0)
+    @available(visionOS 1.0, *)
+    func collectionView(_ collectionView: UICollectionView, contextMenuConfigurationForItemAt indexPath: IndexPath, point: CGPoint) -> UIContextMenuConfiguration? {
+        guard let item = dataSource.itemIdentifier(for: indexPath) else {
             return nil
         }
-        let indexPath = indexPaths[0]
         
         switch item {
         case .loadingIndicator, .confirmLoadMoreStatuses(_):
@@ -542,9 +544,12 @@ extension TrendsViewController: UICollectionViewDelegate {
             }
             
         case let .link(card):
+            guard let url = URL(card.url) else {
+                return nil
+            }
             let cell = collectionView.cellForItem(at: indexPath)!
             return UIContextMenuConfiguration {
-                let vc = SFSafariViewController(url: card.url)
+                let vc = SFSafariViewController(url: url)
                 #if !os(visionOS)
                 vc.preferredControlTintColor = Preferences.shared.accentColor.color
                 #endif
@@ -579,6 +584,15 @@ extension TrendsViewController: UICollectionViewDelegate {
         }
     }
     
+    // implementing the highlightPreviewForItemAt method seems to prevent the old, single IndexPath variant of this method from being called on iOS 16
+    @available(iOS 16.0, visionOS 1.0, *)
+    func collectionView(_ collectionView: UICollectionView, contextMenuConfigurationForItemsAt indexPaths: [IndexPath], point: CGPoint) -> UIContextMenuConfiguration? {
+        guard indexPaths.count == 1 else {
+            return nil
+        }
+        return self.collectionView(collectionView, contextMenuConfigurationForItemAt: indexPaths[0], point: point)
+    }
+    
     func collectionView(_ collectionView: UICollectionView, willPerformPreviewActionForMenuWith configuration: UIContextMenuConfiguration, animator: UIContextMenuInteractionCommitAnimating) {
         MenuPreviewHelper.willPerformPreviewAction(animator: animator, presenter: self)
     }
@@ -619,7 +633,10 @@ extension TrendsViewController: UICollectionViewDragDelegate {
             return []
             
         case let .tag(hashtag):
-            let provider = NSItemProvider(object: hashtag.url as NSURL)
+            guard let url = URL(hashtag.url) else {
+                return []
+            }
+            let provider = NSItemProvider(object: url as NSURL)
             if let activity = UserActivityManager.showTimelineActivity(timeline: .tag(hashtag: hashtag.name), accountID: mastodonController.accountInfo!.id) {
                 activity.displaysAuxiliaryScene = true
                 provider.registerObject(activity, visibility: .all)
@@ -627,7 +644,10 @@ extension TrendsViewController: UICollectionViewDragDelegate {
             return [UIDragItem(itemProvider: provider)]
             
         case let .link(card):
-            return [UIDragItem(itemProvider: NSItemProvider(object: card.url as NSURL))]
+            guard let url = URL(card.url) else {
+                return []
+            }
+            return [UIDragItem(itemProvider: NSItemProvider(object: url as NSURL))]
             
         case let .status(id, _):
             guard let status = mastodonController.persistentContainer.status(for: id),

Tusker/Screens/Fast Account Switcher/FastSwitchingAccountView.swift

@@ -8,6 +8,7 @@
 
 import UIKit
 import UserAccounts
+import WebURL
 
 class FastSwitchingAccountView: UIView {
     
@@ -130,7 +131,11 @@ class FastSwitchingAccountView: UIView {
     
     private func setupAccount(account: UserAccountInfo) {
         usernameLabel.text = account.username
-        instanceLabel.text = account.instanceURL.host(percentEncoded: false)
+        if let domain = WebURL.Domain(account.instanceURL.host!) {
+            instanceLabel.text = domain.render(.uncheckedUnicodeString)
+        } else {
+            instanceLabel.text = account.instanceURL.host!
+        }
         let controller = MastodonController.getForAccount(account)
         avatarTask = Task {
             guard let account = try? await controller.getOwnAccount(),

Tusker/Screens/Gallery/FallbackGalleryContentViewController.swift

@@ -1,13 +1,15 @@
 //
 //  FallbackGalleryContentViewController.swift
-//  GalleryVC
+//  Tusker
 //
 //  Created by Shadowfacts on 3/18/24.
 //  Copyright © 2024 Shadowfacts. All rights reserved.
 //
 
 import UIKit
+import GalleryVC
 import QuickLook
+import Pachyderm
 
 private class FallbackGalleryContentViewController: QLPreviewController {
     private let previewItem = GalleryPreviewItem()
@@ -50,40 +52,40 @@ extension FallbackGalleryContentViewController: QLPreviewControllerDataSource {
     }
 }
 
-public class FallbackGalleryNavigationController: UINavigationController, GalleryContentViewController {
-    public init(url: URL) {
+class FallbackGalleryNavigationController: UINavigationController, GalleryContentViewController {
+    init(url: URL) {
         super.init(nibName: nil, bundle: nil)
         self.viewControllers = [FallbackGalleryContentViewController(url: url)]
     }
     
-    public override func viewDidLoad() {
+    override func viewDidLoad() {
         super.viewDidLoad()
         
         container?.disableGalleryScrollAndZoom()
     }
     
-    public required init?(coder aDecoder: NSCoder) {
+    required init?(coder aDecoder: NSCoder) {
         fatalError("init(coder:) has not been implemented")
     }
     
     // MARK: GalleryContentViewController
     
-    public weak var container: (any GalleryContentViewControllerContainer)?
+    weak var container: (any GalleryVC.GalleryContentViewControllerContainer)?
     
-    public var contentSize: CGSize {
+    var contentSize: CGSize {
         .zero
     }
     
-    public var activityItemsForSharing: [Any] {
+    var activityItemsForSharing: [Any] {
         []
     }
     
-    public var caption: String? {
+    var caption: String? {
         nil
     }
     
-    public var presentationAnimation: GalleryContentPresentationAnimation {
-        .fade
+    var canAnimateFromSourceView: Bool {
+        false
     }
 }
 

Tusker/Screens/Gallery/GifvGalleryContentViewController.swift

@@ -69,8 +69,4 @@ class GifvGalleryContentViewController: UIViewController, GalleryContentViewCont
         [VideoActivityItemSource(asset: controller.item.asset, url: url)]
     }
     
-    var presentationAnimation: GalleryContentPresentationAnimation {
-        .fromSourceViewWithoutSnapshot
-    }
-    
 }

Tusker/Screens/Gallery/GrayscalableImageGalleryContentViewController.swift

@@ -1,60 +0,0 @@
-//
-//  GrayscalableImageGalleryContentViewController.swift
-//  Tusker
-//
-//  Created by Shadowfacts on 11/21/24.
-//  Copyright © 2024 Shadowfacts. All rights reserved.
-//
-
-import UIKit
-import TuskerComponents
-import GalleryVC
-
-class GrayscalableImageGalleryContentViewController: GalleryVC.ImageGalleryContentViewController {
-    private let url: URL
-    private let originalImage: UIImage
-    private let originalData: Data?
-    private var isGrayscale = false
-    
-    init(url: URL, caption: String?, originalData: Data?, image: UIImage, gifController: GIFController?) {
-        self.url = url
-        self.originalImage = image
-        self.originalData = originalData
-        
-        super.init(image: image, caption: caption, gifController: gifController)
-        
-        isGrayscale = Preferences.shared.grayscaleImages
-        if isGrayscale {
-            self.image = ImageGrayscalifier.convert(url: url, image: image) ?? image
-        }
-        
-        NotificationCenter.default.addObserver(self, selector: #selector(preferencesChanged), name: .preferencesChanged, object: nil)
-    }
-    
-    @MainActor required init?(coder: NSCoder) {
-        fatalError("init(coder:) has not been implemented")
-    }
-    
-    @objc private func preferencesChanged() {
-        if isGrayscale != Preferences.shared.grayscaleImages {
-            isGrayscale = Preferences.shared.grayscaleImages
-            let image = if isGrayscale {
-                ImageGrayscalifier.convert(url: url, image: originalImage)
-            } else {
-                originalImage
-            }
-            if let image {
-                self.image = image
-            }
-        }
-    }
-    
-    override var activityItemsForSharing: [Any] {
-        if let data = originalData ?? image.pngData() {
-            return [ImageActivityItemSource(data: data, url: url, image: image)]
-        } else {
-            return []
-        }
-    }
-    
-}

Tusker/Screens/Gallery/GrayscalableVideoGalleryContentViewController.swift

@@ -1,83 +0,0 @@
-//
-//  GrayscalableVideoGalleryContentViewController.swift
-//  Tusker
-//
-//  Created by Shadowfacts on 11/21/24.
-//  Copyright © 2024 Shadowfacts. All rights reserved.
-//
-
-import UIKit
-import GalleryVC
-import AVFoundation
-
-class GrayscalableVideoGalleryContentViewController: GalleryVC.VideoGalleryContentViewController {
-    private var audioSessionToken: AudioSessionCoordinator.Token?
-    private var isGrayscale: Bool
-    private var isFirstAppearance = true
-
-    override init(url: URL, caption: String?) {
-        self.isGrayscale = Preferences.shared.grayscaleImages
-        
-        super.init(url: url, caption: caption)
-        
-        NotificationCenter.default.addObserver(self, selector: #selector(preferencesChanged), name: .preferencesChanged, object: nil)
-    }
-    
-    @MainActor required init?(coder: NSCoder) {
-        fatalError("init(coder:) has not been implemented")
-    }
-    
-    override class func createItem(asset: AVAsset) -> AVPlayerItem {
-        let item = AVPlayerItem(asset: asset)
-        if Preferences.shared.grayscaleImages {
-            #if os(visionOS)
-            #warning("Use async AVVideoComposition CIFilter initializer")
-            #else
-            let filter = CIFilter(name: "CIColorMonochrome")!
-            filter.setValue(CIColor(red: 0.85, green: 0.85, blue: 0.85), forKey: "inputColor")
-            filter.setValue(1.0, forKey: "inputIntensity")
-            
-            item.videoComposition = AVVideoComposition(asset: asset, applyingCIFiltersWithHandler: { request in
-                filter.setValue(request.sourceImage, forKey: "inputImage")
-                request.finish(with: filter.outputImage!, context: nil)
-            })
-            #endif
-        }
-        return item
-    }
-    
-    @objc private func preferencesChanged() {
-        if isGrayscale != Preferences.shared.grayscaleImages {
-            let isPlaying = player.rate > 0
-            isGrayscale = Preferences.shared.grayscaleImages
-            replaceCurrentItem(with: Self.createItem(asset: item.asset))
-            if isPlaying {
-                player.play()
-            }
-        }
-    }
-    
-    override func galleryContentDidAppear() {
-        super.galleryContentDidAppear()
-        
-        let wasFirstAppearance = isFirstAppearance
-        isFirstAppearance = false
-        
-        audioSessionToken = AudioSessionCoordinator.shared.beginPlayback(mode: .video) {
-            if wasFirstAppearance {
-                DispatchQueue.main.async {
-                    self.player.play()
-                }
-            }
-        }
-    }
-    
-    override func galleryContentWillDisappear() {
-        super.galleryContentWillDisappear()
-        
-        if let audioSessionToken {
-            AudioSessionCoordinator.shared.endPlayback(token: audioSessionToken)
-        }
-    }
-    
-}

Tusker/Screens/Gallery/ImageGalleryContentViewController.swift

@@ -1,22 +1,22 @@
 //
 //  ImageGalleryContentViewController.swift
-//  GalleryVC
+//  Tusker
 //
 //  Created by Shadowfacts on 3/17/24.
 //  Copyright © 2024 Shadowfacts. All rights reserved.
 //
 
 import UIKit
+import GalleryVC
+import Pachyderm
 import TuskerComponents
 @preconcurrency import VisionKit
 
-open class ImageGalleryContentViewController: UIViewController, GalleryContentViewController {
-    public let caption: String?
-    public var image: UIImage {
-        didSet {
-            imageView?.image = image
-        }
-    }
+class ImageGalleryContentViewController: UIViewController, GalleryContentViewController {
+    let url: URL
+    let caption: String?
+    let originalData: Data?
+    let image: UIImage
     let gifController: GIFController?
     
     private var imageView: GIFImageView!
@@ -27,8 +27,12 @@ open class ImageGalleryContentViewController: UIViewController, GalleryContentVi
     @available(iOS 16.0, macCatalyst 17.0, *)
     private var analysisInteraction: ImageAnalysisInteraction? { _analysisInteraction as? ImageAnalysisInteraction }
     
-    public init(image: UIImage, caption: String?, gifController: GIFController?) {
+    private var isGrayscale = false
+    
+    init(url: URL, caption: String?, originalData: Data?, image: UIImage, gifController: GIFController?) {
+        self.url = url
         self.caption = caption
+        self.originalData = originalData
         self.image = image
         self.gifController = gifController
         
@@ -37,14 +41,21 @@ open class ImageGalleryContentViewController: UIViewController, GalleryContentVi
         preferredContentSize = image.size
     }
     
-    public required init?(coder: NSCoder) {
+    required init?(coder: NSCoder) {
         fatalError("init(coder:) has not been implemented")
     }
     
-    public override func viewDidLoad() {
+    override func viewDidLoad() {
         super.viewDidLoad()
         
-        imageView = GIFImageView(image: image)
+        isGrayscale = Preferences.shared.grayscaleImages
+        let maybeGrayscaleImage = if isGrayscale {
+            ImageGrayscalifier.convert(url: url, image: image) ?? image
+        } else {
+            image
+        }
+        
+        imageView = GIFImageView(image: maybeGrayscaleImage)
         imageView.translatesAutoresizingMaskIntoConstraints = false
         imageView.contentMode = .scaleAspectFill
         imageView.isUserInteractionEnabled = true
@@ -75,9 +86,11 @@ open class ImageGalleryContentViewController: UIViewController, GalleryContentVi
                 }
             }
         }
+        
+        NotificationCenter.default.addObserver(self, selector: #selector(preferencesChanged), name: .preferencesChanged, object: nil)
     }
     
-    public override func viewWillAppear(_ animated: Bool) {
+    override func viewWillAppear(_ animated: Bool) {
         super.viewWillAppear(animated)
         
         if let gifController {
@@ -85,23 +98,37 @@ open class ImageGalleryContentViewController: UIViewController, GalleryContentVi
         }
     }
     
+    @objc private func preferencesChanged() {
+        if isGrayscale != Preferences.shared.grayscaleImages {
+            isGrayscale = Preferences.shared.grayscaleImages
+            let image = if isGrayscale {
+                ImageGrayscalifier.convert(url: url, image: image)
+            } else {
+                image
+            }
+            if let image {
+                imageView.image = image
+            }
+        }
+    }
+    
     // MARK: GalleryContentViewController
     
-    public weak var container: (any GalleryContentViewControllerContainer)?
+    weak var container: (any GalleryVC.GalleryContentViewControllerContainer)?
     
-    public var contentSize: CGSize {
+    var contentSize: CGSize {
         image.size
     }
     
-    open var activityItemsForSharing: [Any] {
-        return [image]
+    var activityItemsForSharing: [Any] {
+        if let data = originalData ?? image.pngData() {
+            return [ImageActivityItemSource(data: data, url: url, image: image)]
+        } else {
+            return []
+        }
     }
     
-    public var presentationAnimation: GalleryContentPresentationAnimation {
-        gifController != nil ? .fromSourceViewWithoutSnapshot : .fromSourceView
-    }
-    
-    public func setControlsVisible(_ visible: Bool, animated: Bool, dueToUserInteraction: Bool) {
+    func setControlsVisible(_ visible: Bool, animated: Bool, dueToUserInteraction: Bool) {
         if #available(iOS 16.0, macCatalyst 17.0, *),
            let analysisInteraction {
             analysisInteraction.setSupplementaryInterfaceHidden(!visible, animated: animated)
@@ -111,7 +138,7 @@ open class ImageGalleryContentViewController: UIViewController, GalleryContentVi
 
 @available(iOS 16.0, macCatalyst 17.0, *)
 extension ImageGalleryContentViewController: ImageAnalysisInteractionDelegate {
-    public func interaction(_ interaction: ImageAnalysisInteraction, shouldBeginAt point: CGPoint, for interactionType: ImageAnalysisInteraction.InteractionTypes) -> Bool {
+    func interaction(_ interaction: ImageAnalysisInteraction, shouldBeginAt point: CGPoint, for interactionType: ImageAnalysisInteraction.InteractionTypes) -> Bool {
         return container?.galleryControlsVisible ?? true
     }
 }

Tusker/Screens/Gallery/ImageGalleryDataSource.swift

@@ -34,7 +34,7 @@ class ImageGalleryDataSource: GalleryDataSource {
                 } else {
                     nil
                 }
-            return GrayscalableImageGalleryContentViewController(
+            return ImageGalleryContentViewController(
                 url: url,
                 caption: nil,
                 originalData: entry.data,
@@ -52,7 +52,7 @@ class ImageGalleryDataSource: GalleryDataSource {
                         } else {
                             nil
                         }
-                    return GrayscalableImageGalleryContentViewController(
+                    return ImageGalleryContentViewController(
                         url: self.url,
                         caption: nil,
                         originalData: data,

Tusker/Screens/Gallery/LoadingGalleryContentViewController.swift

@@ -7,42 +7,43 @@
 //
 
 import UIKit
+import GalleryVC
 
-public class LoadingGalleryContentViewController: UIViewController, GalleryContentViewController {
+class LoadingGalleryContentViewController: UIViewController, GalleryContentViewController {
     private let fallbackCaption: String?
     private let provider: () async -> (any GalleryContentViewController)?
     private var wrapped: (any GalleryContentViewController)!
     
-    public weak var container: GalleryContentViewControllerContainer?
+    weak var container: GalleryContentViewControllerContainer?
     
-    public var contentSize: CGSize {
+    var contentSize: CGSize {
         wrapped?.contentSize ?? .zero
     }
     
-    public var activityItemsForSharing: [Any] {
+    var activityItemsForSharing: [Any] {
         wrapped?.activityItemsForSharing ?? []
     }
     
-    public var caption: String? {
+    var caption: String? {
         wrapped?.caption ?? fallbackCaption
     }
     
-    public var presentationAnimation: GalleryContentPresentationAnimation {
-        wrapped?.presentationAnimation ?? .fade
+    var canAnimateFromSourceView: Bool {
+        wrapped?.canAnimateFromSourceView ?? true
     }
     
-    public init(caption: String?, provider: @escaping () async -> (any GalleryContentViewController)?) {
+    init(caption: String?, provider: @escaping () async -> (any GalleryContentViewController)?) {
         self.fallbackCaption = caption
         self.provider = provider
         
         super.init(nibName: nil, bundle: nil)
     }
     
-    public required init?(coder: NSCoder) {
+    required init?(coder: NSCoder) {
         fatalError("init(coder:) has not been implemented")
     }
     
-    public override func viewDidLoad() {
+    override func viewDidLoad() {
         super.viewDidLoad()
         
         container?.setGalleryContentLoading(true)
@@ -80,7 +81,7 @@ public class LoadingGalleryContentViewController: UIViewController, GalleryConte
         
         let label = UILabel()
         label.text = "Error Loading"
-        label.font = UIFont(descriptor: .preferredFontDescriptor(withTextStyle: .title1).withSymbolicTraits(.traitBold)!, size: 0)
+        label.font = .preferredFont(forTextStyle: .title1).withTraits(.traitBold)!
         label.textColor = .secondaryLabel
         label.adjustsFontForContentSizeCategory = true
         
@@ -101,15 +102,15 @@ public class LoadingGalleryContentViewController: UIViewController, GalleryConte
         ])
     }
     
-    public func setControlsVisible(_ visible: Bool, animated: Bool, dueToUserInteraction: Bool) {
+    func setControlsVisible(_ visible: Bool, animated: Bool, dueToUserInteraction: Bool) {
         wrapped?.setControlsVisible(visible, animated: animated, dueToUserInteraction: dueToUserInteraction)
     }
     
-    public func galleryContentDidAppear() {
+    func galleryContentDidAppear() {
         wrapped?.galleryContentDidAppear()
     }
     
-    public func galleryContentWillDisappear() {
+    func galleryContentWillDisappear() {
         wrapped?.galleryContentWillDisappear()
     }
     

Tusker/Screens/Gallery/StatusAttachmentsGalleryDataSource.swift

@@ -33,7 +33,7 @@ class StatusAttachmentsGalleryDataSource: GalleryDataSource {
         case .image:
             if let view = attachmentView(for: attachment),
                let image = view.attachmentImage {
-                return GrayscalableImageGalleryContentViewController(
+                return ImageGalleryContentViewController(
                     url: attachment.url,
                     caption: attachment.description,
                     originalData: view.originalData,
@@ -49,7 +49,7 @@ class StatusAttachmentsGalleryDataSource: GalleryDataSource {
                     } else {
                         nil
                     }
-                return GrayscalableImageGalleryContentViewController(
+                return ImageGalleryContentViewController(
                     url: attachment.url,
                     caption: attachment.description,
                     originalData: entry.data,
@@ -68,7 +68,7 @@ class StatusAttachmentsGalleryDataSource: GalleryDataSource {
                             } else {
                                 nil
                             }
-                        return GrayscalableImageGalleryContentViewController(
+                        return ImageGalleryContentViewController(
                             url: attachment.url,
                             caption: attachment.description,
                             originalData: data,
@@ -91,10 +91,10 @@ class StatusAttachmentsGalleryDataSource: GalleryDataSource {
                 }
             return GifvGalleryContentViewController(controller: controller, url: attachment.url, caption: attachment.description)
         case .video:
-            return GrayscalableVideoGalleryContentViewController(url: attachment.url, caption: attachment.description)
+            return VideoGalleryContentViewController(url: attachment.url, caption: attachment.description)
         case .audio:
             // TODO: use separate content VC with audio visualization?
-            return GrayscalableVideoGalleryContentViewController(url: attachment.url, caption: attachment.description)
+            return VideoGalleryContentViewController(url: attachment.url, caption: attachment.description)
         case .unknown:
             return LoadingGalleryContentViewController(caption: nil) {
                 do {

Tusker/Screens/Gallery/VideoControlsViewController.swift

@@ -1,6 +1,6 @@
 //
 //  VideoControlsViewController.swift
-//  GalleryVC
+//  Tusker
 //
 //  Created by Shadowfacts on 3/21/24.
 //  Copyright © 2024 Shadowfacts. All rights reserved.
@@ -18,41 +18,41 @@ class VideoControlsViewController: UIViewController {
     }()
 
     private let player: AVPlayer
+    #if !os(visionOS)
+    @Box private var playbackSpeed: Float
+    #endif
     
-    private lazy var muteButton: MuteButton = {
-        let button = MuteButton()
-        button.addTarget(self, action: #selector(muteButtonPressed), for: .touchUpInside)
-        button.setMuted(false, animated: false)
-        return button
-    }()
+    private lazy var muteButton = MuteButton().configure {
+        $0.addTarget(self, action: #selector(muteButtonPressed), for: .touchUpInside)
+        $0.setMuted(false, animated: false)
+    }
     
-    private let timestampLabel: UILabel = {
-        let label = UILabel()
-        label.text = "0:00"
-        label.font = UIFontMetrics(forTextStyle: .caption1).scaledFont(for: .monospacedDigitSystemFont(ofSize: 13, weight: .regular))
-        return label
-    }()
+    private let timestampLabel = UILabel().configure {
+        $0.text = "0:00"
+        $0.font = UIFontMetrics(forTextStyle: .caption1).scaledFont(for: .monospacedDigitSystemFont(ofSize: 13, weight: .regular))
+    }
     
-    private lazy var scrubbingControl: VideoScrubbingControl = {
-        let control = VideoScrubbingControl()
-        control.heightAnchor.constraint(equalToConstant: 44).isActive = true
-        control.addTarget(self, action: #selector(scrubbingStarted), for: .editingDidBegin)
-        control.addTarget(self, action: #selector(scrubbingChanged), for: .editingChanged)
-        control.addTarget(self, action: #selector(scrubbingEnded), for: .editingDidEnd)
-        return control
-    }()
+    private lazy var scrubbingControl = VideoScrubbingControl().configure {
+        $0.heightAnchor.constraint(equalToConstant: 44).isActive = true
+        $0.addTarget(self, action: #selector(scrubbingStarted), for: .editingDidBegin)
+        $0.addTarget(self, action: #selector(scrubbingChanged), for: .editingChanged)
+        $0.addTarget(self, action: #selector(scrubbingEnded), for: .editingDidEnd)
+    }
     
-    private let timeRemainingLabel: UILabel = {
-        let label = UILabel()
-        label.text = "-0:00"
-        label.font = UIFontMetrics(forTextStyle: .caption1).scaledFont(for: .monospacedDigitSystemFont(ofSize: 13, weight: .regular))
-        return label
-    }()
+    private let timeRemainingLabel = UILabel().configure {
+        $0.text = "-0:00"
+        $0.font = UIFontMetrics(forTextStyle: .caption1).scaledFont(for: .monospacedDigitSystemFont(ofSize: 13, weight: .regular))
+    }
     
     private lazy var optionsButton = MenuButton { [unowned self] in
         let imageName: String
+        #if os(visionOS)
+        let playbackSpeed = player.defaultRate
+        #else
+        let playbackSpeed = self.playbackSpeed
+        #endif
         if #available(iOS 17.0, *) {
-            switch player.defaultRate {
+            switch playbackSpeed {
             case 0.5:
                 imageName = "gauge.with.dots.needle.0percent"
             case 1:
@@ -68,8 +68,12 @@ class VideoControlsViewController: UIViewController {
             imageName = "speedometer"
         }
         let speedMenu = UIMenu(title: "Playback Speed", image: UIImage(systemName: imageName), children: PlaybackSpeed.allCases.map { speed in
-            UIAction(title: speed.displayName, state: self.player.defaultRate == speed.rate ? .on : .off) { [unowned self] _ in
+            UIAction(title: speed.displayName, state: playbackSpeed == speed.rate ? .on : .off) { [unowned self] _ in
+                #if os(visionOS)
                 self.player.defaultRate = speed.rate
+                #else
+                self.playbackSpeed = speed.rate
+                #endif
                 if self.player.rate > 0 {
                     self.player.rate = speed.rate
                 }
@@ -78,19 +82,17 @@ class VideoControlsViewController: UIViewController {
         return UIMenu(children: [speedMenu])
     }
     
-    private lazy var hStack: UIStackView = {
-        let stack = UIStackView(arrangedSubviews: [
-            muteButton,
-            timestampLabel,
-            scrubbingControl,
-            timeRemainingLabel,
-            optionsButton,
-        ])
-        stack.axis = .horizontal
-        stack.spacing = 8
-        stack.alignment = .center
-        return stack
-    }()
+    private lazy var hStack = UIStackView(arrangedSubviews: [
+        muteButton,
+        timestampLabel,
+        scrubbingControl,
+        timeRemainingLabel,
+        optionsButton,
+    ]).configure {
+        $0.axis = .horizontal
+        $0.spacing = 8
+        $0.alignment = .center
+    }
 
     private var timestampObserverToken: Any?
     private var scrubberObserverToken: Any?
@@ -99,11 +101,20 @@ class VideoControlsViewController: UIViewController {
     private var scrubbingTargetTime: CMTime?
     private var isSeeking = false
     
+    #if os(visionOS)
     init(player: AVPlayer) {
         self.player = player
         
         super.init(nibName: nil, bundle: nil)
     }
+    #else
+    init(player: AVPlayer, playbackSpeed: Box<Float>) {
+        self.player = player
+        self._playbackSpeed = playbackSpeed
+        
+        super.init(nibName: nil, bundle: nil)
+    }
+    #endif
     
     required init?(coder: NSCoder) {
         fatalError("init(coder:) has not been implemented")
@@ -187,7 +198,11 @@ class VideoControlsViewController: UIViewController {
     @objc private func scrubbingEnded() {
         scrubbingChanged()
         if wasPlayingWhenScrubbingStarted {
+            #if os(visionOS)
             player.play()
+            #else
+            player.rate = playbackSpeed
+            #endif
         }
     }
     

Tusker/Screens/Gallery/VideoGalleryContentViewController.swift

@@ -1,53 +1,73 @@
 //
 //  VideoGalleryContentViewController.swift
-//  GalleryVC
+//  Tusker
 //
 //  Created by Shadowfacts on 3/19/24.
 //  Copyright © 2024 Shadowfacts. All rights reserved.
 //
 
 import UIKit
+import GalleryVC
 import AVFoundation
 import CoreImage
 
-open class VideoGalleryContentViewController: UIViewController, GalleryContentViewController {
-    public let url: URL
-    public let caption: String?
-    public private(set) var item: AVPlayerItem
-    public let player: AVPlayer
+class VideoGalleryContentViewController: UIViewController, GalleryContentViewController {
+    private let url: URL
+    let caption: String?
+    private var item: AVPlayerItem
+    let player: AVPlayer
+    
+    #if !os(visionOS)
+    @available(iOS, obsoleted: 16.0, message: "Use AVPlayer.defaultRate")
+    @Box private var playbackSpeed: Float = 1
+    #endif
+    
+    private var isGrayscale: Bool
     
     private var presentationSizeObservation: NSKeyValueObservation?
     private var statusObservation: NSKeyValueObservation?
     private var rateObservation: NSKeyValueObservation?
+    private var isFirstAppearance = true
     private var hideControlsWorkItem: DispatchWorkItem?
-    private var isShowingError = false
+    private var audioSessionToken: AudioSessionCoordinator.Token?
     
-    public init(url: URL, caption: String?) {
+    init(url: URL, caption: String?) {
         self.url = url
         self.caption = caption
         
+        self.isGrayscale = Preferences.shared.grayscaleImages
+        
         let asset = AVAsset(url: url)
-        self.item = Self.createItem(asset: asset)
+        self.item = VideoGalleryContentViewController.createItem(asset: asset)
         self.player = AVPlayer(playerItem: item)
         
         super.init(nibName: nil, bundle: nil)
     }
     
-    public required init?(coder: NSCoder) {
+    required init?(coder: NSCoder) {
         fatalError("init(coder:) has not been implemented")
     }
     
-    open class func createItem(asset: AVAsset) -> AVPlayerItem {
-        return AVPlayerItem(asset: asset)
+    private static func createItem(asset: AVAsset) -> AVPlayerItem {
+        let item = AVPlayerItem(asset: asset)
+        if Preferences.shared.grayscaleImages {
+            #if os(visionOS)
+            #warning("Use async AVVideoComposition CIFilter initializer")
+            #else
+            let filter = CIFilter(name: "CIColorMonochrome")!
+            filter.setValue(CIColor(red: 0.85, green: 0.85, blue: 0.85), forKey: "inputColor")
+            filter.setValue(1.0, forKey: "inputIntensity")
+
+            item.videoComposition = AVVideoComposition(asset: asset, applyingCIFiltersWithHandler: { request in
+                filter.setValue(request.sourceImage, forKey: "inputImage")
+                request.finish(with: filter.outputImage!, context: nil)
+            })
+            #endif
+        }
+        return item
     }
     
-    public func replaceCurrentItem(with item: AVPlayerItem) {
-        self.item = item
-        player.replaceCurrentItem(with: item)
-        updateItemObservations()
-    }
-    
-    public override func viewDidLoad() {
+    override func viewDidLoad() {
         super.viewDidLoad()
         
         container?.setGalleryContentLoading(true)
@@ -72,17 +92,19 @@ open class VideoGalleryContentViewController: UIViewController, GalleryContentVi
                 scheduleControlsHide()
             }
         })
+        
+        NotificationCenter.default.addObserver(self, selector: #selector(preferencesChanged), name: .preferencesChanged, object: nil)
     }
     
     private func updateItemObservations() {
         presentationSizeObservation = item.observe(\.presentationSize, changeHandler: { [unowned self] item, _ in
-            MainActor.assumeIsolated {
+            MainActor.runUnsafely {
                 self.preferredContentSize = item.presentationSize
                 self.container?.galleryContentChanged()
             }
         })
         statusObservation = item.observe(\.status, changeHandler: { [unowned self] item, _ in
-            MainActor.assumeIsolated {
+            MainActor.runUnsafely {
                 if item.status == .readyToPlay {
                     self.container?.setGalleryContentLoading(false)
                     self.statusObservation = nil
@@ -91,22 +113,19 @@ open class VideoGalleryContentViewController: UIViewController, GalleryContentVi
                     self.container?.setGalleryContentLoading(false)
                     self.showErrorView(error)
                     self.statusObservation = nil
-                    self.overlayVC.setVisible(false)
                 }
             }
         })
     }
     
     private func showErrorView(_ error: any Error) {
-        isShowingError = true
-        
         let image = UIImageView(image: UIImage(systemName: "exclamationmark.triangle.fill")!)
         image.tintColor = .secondaryLabel
         image.contentMode = .scaleAspectFit
         
         let label = UILabel()
         label.text = "Error Loading"
-        label.font = UIFont(descriptor: .preferredFontDescriptor(withTextStyle: .title1).withSymbolicTraits(.traitBold)!, size: 0)
+        label.font = .preferredFont(forTextStyle: .title1).withTraits(.traitBold)!
         label.textColor = .secondaryLabel
         label.adjustsFontForContentSizeCategory = true
         
@@ -134,9 +153,26 @@ open class VideoGalleryContentViewController: UIViewController, GalleryContentVi
         ])
     }
     
+    @objc private func preferencesChanged() {
+        if isGrayscale != Preferences.shared.grayscaleImages {
+            let isPlaying = player.rate > 0
+            isGrayscale = Preferences.shared.grayscaleImages
+            item = VideoGalleryContentViewController.createItem(asset: item.asset)
+            player.replaceCurrentItem(with: item)
+            updateItemObservations()
+            if isPlaying {
+                #if os(visionOS)
+                player.play()
+                #else
+                player.rate = playbackSpeed
+                #endif
+            }
+        }
+    }
+    
     private func scheduleControlsHide() {
         hideControlsWorkItem = DispatchWorkItem { [weak self] in
-            MainActor.assumeIsolated {
+            MainActor.runUnsafely {
                 guard let self,
                       let container = self.container,
                       container.galleryControlsVisible else {
@@ -150,32 +186,33 @@ open class VideoGalleryContentViewController: UIViewController, GalleryContentVi
     
     // MARK: GalleryContentViewController
     
-    public weak var container: (any GalleryVC.GalleryContentViewControllerContainer)?
+    weak var container: (any GalleryVC.GalleryContentViewControllerContainer)?
     
-    public var contentSize: CGSize {
+    var contentSize: CGSize {
         item.presentationSize
     }
     
-    open var activityItemsForSharing: [Any] {
-//        [VideoActivityItemSource(asset: item.asset, url: url)]
-        []
-    }
-    
-    public var presentationAnimation: GalleryContentPresentationAnimation {
-        isShowingError ? .fade : .fromSourceViewWithoutSnapshot
+    var activityItemsForSharing: [Any] {
+        [VideoActivityItemSource(asset: item.asset, url: url)]
     }
     
+    #if os(visionOS)
     private lazy var overlayVC = VideoOverlayViewController(player: player)
-    public var contentOverlayAccessoryViewController: UIViewController? {
+    #else
+    private lazy var overlayVC = VideoOverlayViewController(player: player, playbackSpeed: _playbackSpeed)
+    #endif
+    var contentOverlayAccessoryViewController: UIViewController? {
         overlayVC
     }
     
-    public private(set) lazy var bottomControlsAccessoryViewController: UIViewController? = VideoControlsViewController(player: player)
+    #if os(visionOS)
+    private(set) lazy var bottomControlsAccessoryViewController: UIViewController? = VideoControlsViewController(player: player)
+    #else
+    private(set) lazy var bottomControlsAccessoryViewController: UIViewController? = VideoControlsViewController(player: player, playbackSpeed: _playbackSpeed)
+    #endif
     
-    public func setControlsVisible(_ visible: Bool, animated: Bool, dueToUserInteraction: Bool) {
-        if !isShowingError {
-            overlayVC.setVisible(visible)
-        }
+    func setControlsVisible(_ visible: Bool, animated: Bool, dueToUserInteraction: Bool) {
+        overlayVC.setVisible(visible)
         
         if !visible {
             hideControlsWorkItem?.cancel()
@@ -185,11 +222,25 @@ open class VideoGalleryContentViewController: UIViewController, GalleryContentVi
         }
     }
     
-    open func galleryContentDidAppear() {
+    func galleryContentDidAppear() {
+        let wasFirstAppearance = isFirstAppearance
+        isFirstAppearance = false
+        
+        audioSessionToken = AudioSessionCoordinator.shared.beginPlayback(mode: .video) {
+            if wasFirstAppearance {
+                DispatchQueue.main.async {
+                    self.player.play()
+                }
+            }
+        }
     }
     
-    open func galleryContentWillDisappear() {
+    func galleryContentWillDisappear() {
         player.pause()
+        
+        if let audioSessionToken {
+            AudioSessionCoordinator.shared.endPlayback(token: audioSessionToken)
+        }
     }
     
 }
@@ -218,9 +269,9 @@ private class PlayerView: UIView {
         playerLayer.player = player
         playerLayer.videoGravity = .resizeAspect
         
-        presentationSizeObservation = item.observe(\.presentationSize, changeHandler: { [weak self] _, _ in
-            MainActor.assumeIsolated {
-                self?.invalidateIntrinsicContentSize()
+        presentationSizeObservation = item.observe(\.presentationSize, changeHandler: { [unowned self] _, _ in
+            MainActor.runUnsafely {
+                self.invalidateIntrinsicContentSize()
             }
         })
     }

Tusker/Screens/Gallery/VideoOverlayViewController.swift

@@ -1,6 +1,6 @@
 //
 //  VideoOverlayViewController.swift
-//  GalleryVC
+//  Tusker
 //
 //  Created by Shadowfacts on 3/26/24.
 //  Copyright © 2024 Shadowfacts. All rights reserved.
@@ -15,6 +15,9 @@ class VideoOverlayViewController: UIViewController {
     private static let pauseImage = UIImage(systemName: "pause.fill")!
 
     private let player: AVPlayer
+    #if !os(visionOS)
+    @Box private var playbackSpeed: Float
+    #endif
     
     private var dimmingView: UIView!
     private var controlsStack: UIStackView!
@@ -23,10 +26,18 @@ class VideoOverlayViewController: UIViewController {
 
     private var rateObservation: NSKeyValueObservation?
     
+    #if os(visionOS)
     init(player: AVPlayer) {
         self.player = player
         super.init(nibName: nil, bundle: nil)
     }
+    #else
+    init(player: AVPlayer, playbackSpeed: Box<Float>) {
+        self.player = player
+        self._playbackSpeed = playbackSpeed
+        super.init(nibName: nil, bundle: nil)
+    }
+    #endif
 
     required init?(coder: NSCoder) {
         fatalError("init(coder:) has not been implemented")
@@ -79,7 +90,7 @@ class VideoOverlayViewController: UIViewController {
         ])
         
         rateObservation = player.observe(\.rate, changeHandler: { player, _ in
-            MainActor.assumeIsolated {
+            MainActor.runUnsafely {
                 playPauseButton.image = player.rate > 0 ? VideoOverlayViewController.pauseImage : VideoOverlayViewController.playImage
             }
         })
@@ -98,7 +109,11 @@ class VideoOverlayViewController: UIViewController {
             if player.currentTime() >= player.currentItem!.duration {
                 player.seek(to: .zero)
             }
+            #if os(visionOS)
             player.play()
+            #else
+            player.rate = playbackSpeed
+            #endif
         }
     }
     

Tusker/Screens/Lists/EditListAccountsViewController.swift

@@ -100,13 +100,28 @@ class EditListAccountsViewController: UIViewController, CollectionViewController
         
         navigationItem.searchController = searchController
         navigationItem.hidesSearchBarWhenScrolling = false
-        navigationItem.preferredSearchBarPlacement = .stacked
-        
-        navigationItem.renameDelegate = self
-        navigationItem.titleMenuProvider = { [unowned self] suggested in
-            var children = suggested
-            children.append(contentsOf: self.listSettingsMenuElements())
-            return UIMenu(children: children)
+        if #available(iOS 16.0, *) {
+            navigationItem.preferredSearchBarPlacement = .stacked
+            
+            navigationItem.renameDelegate = self
+            navigationItem.titleMenuProvider = { [unowned self] suggested in
+                var children = suggested
+                children.append(contentsOf: self.listSettingsMenuElements())
+                return UIMenu(children: children)
+            }
+        } else {
+            navigationItem.leftBarButtonItem = UIBarButtonItem(title: "Edit", menu: UIMenu(children: [
+                // uncached so that menu always reflects the current state of the list
+                UIDeferredMenuElement.uncached({ [unowned self] elementHandler in
+                    var elements = self.listSettingsMenuElements()
+                    elements.insert(UIAction(title: "Rename…", image: UIImage(systemName: "pencil"), handler: { [unowned self] _ in
+                        RenameListService(list: self.list, mastodonController: self.mastodonController, present: {
+                            self.present($0, animated: true)
+                        }).run()
+                    }), at: 0)
+                    elementHandler(elements)
+                })
+            ]))
         }
     }
     

Tusker/Screens/Main/BaseMainTabBarViewController.swift

@@ -151,22 +151,6 @@ class BaseMainTabBarViewController: UITabBarController, FastAccountSwitcherViewC
         return false
         #endif // !os(visionOS)
     }
-    
-    // MARK: Keyboard shortcuts
-    
-    override func target(forAction action: Selector, withSender sender: Any?) -> Any? {
-        // This is a silly workaround for when the sidebar is focused (and therefore first responder), which,
-        // unfortunately, is almost always. Because the content view controller then isn't in the responder chain,
-        // we manually delegate to the top view controller if possible.
-        if action == #selector(RefreshableViewController.refresh),
-           let selected = selectedViewController as? NavigationControllerProtocol,
-           let top = selected.topViewController as? RefreshableViewController {
-            return top
-        } else {
-            return super.target(forAction: action, withSender: sender)
-        }
-    }
-
 }
 
 extension BaseMainTabBarViewController: TuskerNavigationDelegate {

Tusker/Screens/Main/MainSplitViewController.swift

@@ -219,19 +219,6 @@ class MainSplitViewController: UISplitViewController {
     @objc func handleComposeKeyCommand() {
         compose(editing: nil)
     }
-    
-    override func target(forAction action: Selector, withSender sender: Any?) -> Any? {
-        // This is a silly workaround for when the sidebar is focused (and therefore first responder), which,
-        // unfortunately, is almost always. Because the content view controller then isn't in the responder chain,
-        // we manually delegate to the top view controller if possible.
-        if action == #selector(RefreshableViewController.refresh),
-           traitCollection.horizontalSizeClass == .regular,
-           let top = secondaryNavController.topViewController as? RefreshableViewController {
-            return top
-        } else {
-            return super.target(forAction: action, withSender: sender)
-        }
-    }
 
 }
 

Tusker/Screens/Main/NewMainTabBarViewController.swift

@@ -33,13 +33,6 @@ final class NewMainTabBarViewController: BaseMainTabBarViewController {
     private var isCompact: Bool?
     @Box fileprivate var myProfileCell: UIView?
     private var sidebarTapRecognizer: UITapGestureRecognizer?
-    
-    private lazy var fastAccountSwitcherIndicator: UIView = {
-        let indicator = FastAccountSwitcherIndicatorView()
-        // need to explicitly set the frame to get it vertically centered
-        indicator.frame = CGRect(origin: .zero, size: indicator.intrinsicContentSize)
-        return indicator
-    }()
 
     override func viewDidLoad() {
         super.viewDidLoad()
@@ -461,20 +454,15 @@ extension NewMainTabBarViewController {
 extension NewMainTabBarViewController: UITabBarControllerDelegate {
     func tabBarController(_ tabBarController: UITabBarController, shouldSelectTab tab: UITab) -> Bool {
         if tab.identifier == Tab.compose.rawValue {
-            if #unavailable(iOS 18.1) {
-                let currentTab = selectedTab
-                // returning false for shouldSelectTab doesn't prevent the UITabBar from being updated (FB14857254)
-                // returning false and then setting selectedTab=tab and selectedTab=currentTab seems to leave things in a bad state (currentTab's VC is on screen but in the disappeared state)
-                // so return true, and then after the tab bar VC has finished updating, go back to currentTab
-                DispatchQueue.main.async {
-                    self.selectedTab = currentTab
-                }
-                compose(editing: nil)
-                return true
-            } else {
-                compose(editing: nil)
-                return false
+            let currentTab = selectedTab
+            // returning false for shouldSelectTab doesn't prevent the UITabBar from being updated (FB14857254)
+            // returning false and then setting selectedTab=tab and selectedTab=currentTab seems to leave things in a bad state (currentTab's VC is on screen but in the disappeared state)
+            // so return true, and then after the tab bar VC has finished updating, go back to currentTab
+            DispatchQueue.main.async {
+                self.selectedTab = currentTab
             }
+            compose(editing: nil)
+            return true
         } else if let selectedTab,
                   selectedTab == tab,
                   let nav = selectedViewController as? any NavigationControllerProtocol {
@@ -520,6 +508,13 @@ extension NewMainTabBarViewController: UITabBarControllerDelegate {
     }
 }
 
+private var fastAccountSwitcherIndicator: UIView = {
+    let indicator = FastAccountSwitcherIndicatorView()
+    // need to explicitly set the frame to get it vertically centered
+    indicator.frame = CGRect(origin: .zero, size: indicator.intrinsicContentSize)
+    return indicator
+}()
+
 @available(iOS 18.0, *)
 extension NewMainTabBarViewController: UITabBarController.Sidebar.Delegate {
     func tabBarController(_ tabBarController: UITabBarController, sidebarVisibilityWillChange sidebar: UITabBarController.Sidebar, animator: any UITabBarController.Sidebar.Animating) {

Tusker/Screens/Mute/MuteAccountView.swift

@@ -41,8 +41,15 @@ struct MuteAccountView: View {
     @State private var error: Error?
     
     var body: some View {
-        NavigationStack {
-            navigationViewContent
+        if #available(iOS 16.0, *) {
+            NavigationStack {
+                navigationViewContent
+            }
+        } else {
+            NavigationView {
+                navigationViewContent
+            }
+            .navigationViewStyle(.stack)
         }
     }
     

Tusker/Screens/Notifications/ActionNotificationGroupCollectionViewCell.swift

@@ -155,7 +155,7 @@ class ActionNotificationGroupCollectionViewCell: UICollectionViewListCell {
             fetchCustomEmojiImage?.1.cancel()
         case .emojiReaction(let emojiOrShortcode, let url):
             iconImageView.image = nil
-            if let url,
+            if let url = url.flatMap({ URL($0) }),
                fetchCustomEmojiImage?.0 != url {
                 fetchCustomEmojiImage?.1.cancel()
                 let task = Task {

Tusker/Screens/Notifications/FollowRequestNotificationViewController.swift

@@ -101,8 +101,14 @@ extension FollowRequestNotificationViewController: UICollectionViewDelegate {
                 UIAction(title: "Accept", image: UIImage(systemName: "checkmark.circle"), handler: { _ in cell.acceptButtonPressed() }),
                 UIAction(title: "Reject", image: UIImage(systemName: "xmark.circle"), handler: { _ in cell.rejectButtonPressed() }),
             ]
+            let acceptRejectMenu: UIMenu
+            if #available(iOS 16.0, *) {
+                acceptRejectMenu = UIMenu(options: .displayInline, preferredElementSize: .medium, children: acceptRejectChildren)
+            } else {
+                acceptRejectMenu = UIMenu(options: .displayInline, children: acceptRejectChildren)
+            }
             return UIMenu(children: [
-                UIMenu(options: .displayInline, preferredElementSize: .medium, children: acceptRejectChildren),
+                acceptRejectMenu,
                 UIMenu(options: .displayInline, children: self.actionsForProfile(accountID: accountID, source: .view(cell))),
             ])
         }

Tusker/Screens/Notifications/NotificationLoadingViewController.swift

@@ -48,9 +48,7 @@ class NotificationLoadingViewController: UIViewController {
             do {
                 let (notification, _) = try await mastodonController.run(request)
                 await withCheckedContinuation { continuation in
-                    let container = mastodonController.persistentContainer
-                    let context = container.viewContext
-                    container.addAll(notifications: [notification], in: context) {
+                    mastodonController.persistentContainer.addAll(notifications: [notification]) {
                         continuation.resume()
                     }
                 }

Tusker/Screens/Notifications/NotificationsCollectionViewController.swift

@@ -700,8 +700,14 @@ extension NotificationsCollectionViewController: UICollectionViewDelegate {
                     UIAction(title: "Accept", image: UIImage(systemName: "checkmark.circle"), handler: { _ in cell.acceptButtonPressed() }),
                     UIAction(title: "Reject", image: UIImage(systemName: "xmark.circle"), handler: { _ in cell.rejectButtonPressed() }),
                 ]
+                let acceptRejectMenu: UIMenu
+                if #available(iOS 16.0, *) {
+                    acceptRejectMenu = UIMenu(options: .displayInline, preferredElementSize: .medium, children: acceptRejectChildren)
+                } else {
+                    acceptRejectMenu = UIMenu(options: .displayInline, children: acceptRejectChildren)
+                }
                 return UIMenu(children: [
-                    UIMenu(options: .displayInline, preferredElementSize: .medium, children: acceptRejectChildren),
+                    acceptRejectMenu,
                     UIMenu(options: .displayInline, children: self.actionsForProfile(accountID: accountID, source: .view(cell))),
                 ])
             }
@@ -740,7 +746,7 @@ extension NotificationsCollectionViewController: UICollectionViewDragDelegate {
             return cell.dragItemsForBeginning(session: session)
         case .poll, .update:
             let status = group.notifications.first!.status!
-            let provider = NSItemProvider(object: status.url! as NSURL)
+            let provider = NSItemProvider(object: URL(status.url!)! as NSURL)
             let activity = UserActivityManager.showConversationActivity(mainStatusID: status.id, accountID: mastodonController.accountInfo!.id)
             activity.displaysAuxiliaryScene = true
             provider.registerObject(activity, visibility: .all)

Tusker/Screens/Notifications/NotificationsPageViewController.swift

@@ -180,9 +180,3 @@ extension NotificationsPageViewController: StateRestorableViewController {
         return currentPage.userActivity(accountID: mastodonController.accountInfo!.id)
     }
 }
-
-extension NotificationsPageViewController: RefreshableViewController {
-    func refresh() {
-        (currentViewController as? RefreshableViewController)?.refresh()
-    }
-}

Tusker/Screens/Onboarding/InstanceSelectorTableViewController.swift

@@ -96,7 +96,9 @@ class InstanceSelectorTableViewController: UITableViewController {
         searchController.searchBar.placeholder = "Search or enter a URL"
         navigationItem.searchController = searchController
         navigationItem.hidesSearchBarWhenScrolling = false
-        navigationItem.preferredSearchBarPlacement = .stacked
+        if #available(iOS 16.0, *) {
+            navigationItem.preferredSearchBarPlacement = .stacked
+        }
         definesPresentationContext = true
         
         urlHandler = urlCheckerSubject

Tusker/Screens/Preferences/About/AboutView.swift

@@ -91,10 +91,14 @@ struct AboutView: View {
     
     @ViewBuilder
     private var iconOrGame: some View {
-        FlipView {
+        if #available(iOS 16.0, *) {
+            FlipView {
+                appIcon
+            } back: {
+                TTTView()
+            }
+        } else {
             appIcon
-        } back: {
-            TTTView()
         }
     }
     

Tusker/Screens/Preferences/Appearance/AppearancePrefsView.swift

@@ -27,7 +27,14 @@ struct AppearancePrefsView: View {
     private static let accentColorsAndImages: [(AccentColor, UIImage?)] = AccentColor.allCases.map { color in
         var image: UIImage?
         if let color = color.color {
-            image = UIImage(systemName: "circle.fill")!.withTintColor(color, renderingMode: .alwaysTemplate).withRenderingMode(.alwaysOriginal)
+            if #available(iOS 16.0, *) {
+                image = UIImage(systemName: "circle.fill")!.withTintColor(color, renderingMode: .alwaysTemplate).withRenderingMode(.alwaysOriginal)
+            } else {
+                image = UIGraphicsImageRenderer(size: CGSize(width: 20, height: 20)).image { context in
+                    color.setFill()
+                    context.cgContext.fillEllipse(in: CGRect(x: 0, y: 0, width: 20, height: 20))
+                }
+            }
         }
         return (color, image)
     }

Tusker/Screens/Preferences/Appearance/MockStatusView.swift

@@ -8,6 +8,7 @@
 
 import SwiftUI
 import Pachyderm
+import WebURL
 
 struct MockStatusView: View {
     @ObservedObject private var preferences = Preferences.shared
@@ -135,8 +136,8 @@ private struct MockStatusCardView: UIViewRepresentable {
         let view = StatusCardView()
         view.isUserInteractionEnabled = false
         let card = StatusCardView.CardData(
-            url: URL(string: "https://vaccor.space/tusker")!,
-            image: URL(string: "https://vaccor.space/tusker/img/icon.png")!,
+            url: WebURL("https://vaccor.space/tusker")!,
+            image: WebURL("https://vaccor.space/tusker/img/icon.png")!,
             title: "Tusker",
             description: "Tusker is an iOS app for Mastodon"
         )

Tusker/Screens/Preferences/Notifications/NotificationsPrefsView.swift

@@ -36,7 +36,12 @@ struct NotificationsPrefsView: View {
             if #available(iOS 15.4, *) {
                 Section {
                     Button {
-                        if let url = URL(string: UIApplication.openNotificationSettingsURLString) {
+                        let str = if #available(iOS 16.0, *) {
+                            UIApplication.openNotificationSettingsURLString
+                        } else {
+                            UIApplicationOpenNotificationSettingsURLString
+                        }
+                        if let url = URL(string: str) {
                             UIApplication.shared.open(url)
                         }
                     } label: {

Tusker/Screens/Preferences/Notifications/PushInstanceSettingsView.swift

@@ -34,7 +34,7 @@ struct PushInstanceSettingsView: View {
             HStack {
                 PrefsAccountView(account: account)
                 Spacer()
-                AsyncToggle("\(account.instanceURL.host!) notifications enabled", mode: $mode, onChange: updateNotificationsEnabled(enabled:))
+                AsyncToggle("\(account.instanceURL.host!) notifications enabled", labelHidden: true, mode: $mode, onChange: updateNotificationsEnabled(enabled:))
                     .labelsHidden()
             }
             PushSubscriptionView(account: account, mastodonController: mastodonController, subscription: subscription, updateSubscription: updateSubscription)

Tusker/Screens/Preferences/OppositeCollapseKeywordsView.swift

@@ -43,9 +43,21 @@ struct OppositeCollapseKeywordsView: View {
             .listStyle(.grouped)
             .appGroupedListBackground(container: PreferencesNavigationController.self)
         }
+        #if !os(visionOS)
+        .onAppear(perform: updateAppearance)
+        #endif
         .navigationBarTitle(preferences.expandAllContentWarnings ? "Collapse Post CW Keywords" : "Expand Post CW Keywords")
     }
     
+    @available(iOS, obsoleted: 16.0)
+    private func updateAppearance() {
+        if #available(iOS 16.0, *) {
+            // no longer necessary
+        } else {
+            UIScrollView.appearance(whenContainedInInstancesOf: [PreferencesNavigationController.self]).keyboardDismissMode = .interactive
+        }
+    }
+    
     private func commitExisting(at index: Int) -> () -> Void {
         return {
             if keywords[index].value.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty {

Tusker/Screens/Preferences/PrefsAccountView.swift

@@ -8,6 +8,7 @@
 
 import SwiftUI
 import UserAccounts
+import WebURL
 
 struct PrefsAccountView: View {
     let account: UserAccountInfo
@@ -18,7 +19,12 @@ struct PrefsAccountView: View {
             VStack(alignment: .prefsAvatar) {
                 Text(verbatim: account.username)
                     .foregroundColor(.primary)
-                Text(verbatim: account.instanceURL.host(percentEncoded: false)!)
+                let instance = if let domain = WebURL.Domain(account.instanceURL.host!) {
+                    domain.render(.uncheckedUnicodeString)
+                } else {
+                    account.instanceURL.host!
+                }
+                Text(verbatim: instance)
                     .font(.caption)
                     .foregroundColor(.primary)
             }