Bump deployment target to iOS 15

Pachyderm/Sources/Pachyderm/Model/Emoji.swift

@@ -39,3 +39,9 @@ extension Emoji: CustomDebugStringConvertible {
         return ":\(shortcode):"
     }
 }
+
+extension Emoji: Equatable {
+    public static func ==(lhs: Emoji, rhs: Emoji) -> Bool {
+        return lhs.shortcode == rhs.shortcode && lhs.url == rhs.url
+    }
+}

Tusker.xcodeproj/project.pbxproj

@@ -219,13 +219,11 @@
 		D6AEBB4523216AF800E5038B /* FollowAccountActivity.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6AEBB4423216AF800E5038B /* FollowAccountActivity.swift */; };
 		D6AEBB4823216B1D00E5038B /* AccountActivity.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6AEBB4723216B1D00E5038B /* AccountActivity.swift */; };
 		D6AEBB4A23216F0400E5038B /* UnfollowAccountActivity.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6AEBB4923216F0400E5038B /* UnfollowAccountActivity.swift */; };
-		D6B0539F23BD2BA300A066FA /* SheetController in Frameworks */ = {isa = PBXBuildFile; productRef = D6B0539E23BD2BA300A066FA /* SheetController */; };
 		D6B053A223BD2C0600A066FA /* AssetPickerViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6B053A123BD2C0600A066FA /* AssetPickerViewController.swift */; };
 		D6B053A423BD2C8100A066FA /* AssetCollectionsListViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6B053A323BD2C8100A066FA /* AssetCollectionsListViewController.swift */; };
 		D6B053A623BD2D0C00A066FA /* AssetCollectionViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6B053A523BD2D0C00A066FA /* AssetCollectionViewController.swift */; };
 		D6B053AB23BD2F1400A066FA /* AssetCollectionViewCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6B053A923BD2F1400A066FA /* AssetCollectionViewCell.swift */; };
 		D6B053AC23BD2F1400A066FA /* AssetCollectionViewCell.xib in Resources */ = {isa = PBXBuildFile; fileRef = D6B053AA23BD2F1400A066FA /* AssetCollectionViewCell.xib */; };
-		D6B053AE23BD322B00A066FA /* AssetPickerSheetContainerViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6B053AD23BD322B00A066FA /* AssetPickerSheetContainerViewController.swift */; };
 		D6B17255254F88B800128392 /* OppositeCollapseKeywordsView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6B17254254F88B800128392 /* OppositeCollapseKeywordsView.swift */; };
 		D6B22A0F2560D52D004D82EF /* TabbedPageViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6B22A0E2560D52D004D82EF /* TabbedPageViewController.swift */; };
 		D6B30E09254BAF63009CAEE5 /* ImageGrayscalifier.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6B30E08254BAF63009CAEE5 /* ImageGrayscalifier.swift */; };
@@ -280,7 +278,6 @@
 		D6DFC69E242C490400ACC392 /* TrackpadScrollGestureRecognizer.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6DFC69D242C490400ACC392 /* TrackpadScrollGestureRecognizer.swift */; };
 		D6DFC6A0242C4CCC00ACC392 /* WeakArray.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6DFC69F242C4CCC00ACC392 /* WeakArray.swift */; };
 		D6E0DC8E216EDF1E00369478 /* Previewing.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6E0DC8D216EDF1E00369478 /* Previewing.swift */; };
-		D6E1EEF4285443EF00D20549 /* UIAction+Subtitle.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6E1EEF3285443EF00D20549 /* UIAction+Subtitle.swift */; };
 		D6E343AB265AAD6B00C4AA01 /* Media.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = D6E343AA265AAD6B00C4AA01 /* Media.xcassets */; };
 		D6E343AD265AAD6B00C4AA01 /* ActionViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6E343AC265AAD6B00C4AA01 /* ActionViewController.swift */; };
 		D6E343B0265AAD6B00C4AA01 /* MainInterface.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = D6E343AE265AAD6B00C4AA01 /* MainInterface.storyboard */; };
@@ -570,7 +567,6 @@
 		D6B053A523BD2D0C00A066FA /* AssetCollectionViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AssetCollectionViewController.swift; sourceTree = "<group>"; };
 		D6B053A923BD2F1400A066FA /* AssetCollectionViewCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AssetCollectionViewCell.swift; sourceTree = "<group>"; };
 		D6B053AA23BD2F1400A066FA /* AssetCollectionViewCell.xib */ = {isa = PBXFileReference; lastKnownFileType = file.xib; path = AssetCollectionViewCell.xib; sourceTree = "<group>"; };
-		D6B053AD23BD322B00A066FA /* AssetPickerSheetContainerViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AssetPickerSheetContainerViewController.swift; sourceTree = "<group>"; };
 		D6B17254254F88B800128392 /* OppositeCollapseKeywordsView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = OppositeCollapseKeywordsView.swift; sourceTree = "<group>"; };
 		D6B22A0E2560D52D004D82EF /* TabbedPageViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TabbedPageViewController.swift; sourceTree = "<group>"; };
 		D6B30E08254BAF63009CAEE5 /* ImageGrayscalifier.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ImageGrayscalifier.swift; sourceTree = "<group>"; };
@@ -631,7 +627,6 @@
 		D6DFC69D242C490400ACC392 /* TrackpadScrollGestureRecognizer.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TrackpadScrollGestureRecognizer.swift; sourceTree = "<group>"; };
 		D6DFC69F242C4CCC00ACC392 /* WeakArray.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = WeakArray.swift; sourceTree = "<group>"; };
 		D6E0DC8D216EDF1E00369478 /* Previewing.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Previewing.swift; sourceTree = "<group>"; };
-		D6E1EEF3285443EF00D20549 /* UIAction+Subtitle.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "UIAction+Subtitle.swift"; sourceTree = "<group>"; };
 		D6E343A8265AAD6B00C4AA01 /* OpenInTusker.appex */ = {isa = PBXFileReference; explicitFileType = "wrapper.app-extension"; includeInIndex = 0; path = OpenInTusker.appex; sourceTree = BUILT_PRODUCTS_DIR; };
 		D6E343AA265AAD6B00C4AA01 /* Media.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Media.xcassets; sourceTree = "<group>"; };
 		D6E343AC265AAD6B00C4AA01 /* ActionViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ActionViewController.swift; sourceTree = "<group>"; };
@@ -665,7 +660,6 @@
 			buildActionMask = 2147483647;
 			files = (
 				D674A50927F9128D00BA03AC /* Pachyderm in Frameworks */,
-				D6B0539F23BD2BA300A066FA /* SheetController in Frameworks */,
 				D69CCBBF249E6EFD000AF167 /* CrashReporter in Frameworks */,
 				D60CFFDB24A290BA00D00083 /* SwiftSoup in Frameworks */,
 				D6676CA527A8D0020052936B /* WebURLFoundationExtras in Frameworks */,
@@ -1120,7 +1114,6 @@
 				D6620ACD2511A0ED00312CA0 /* StatusStateResolver.swift */,
 				D69693F32585941A00F4E116 /* UIWindowSceneDelegate+Close.swift */,
 				D62E9984279CA23900C26176 /* URLSession+Development.swift */,
-				D6E1EEF3285443EF00D20549 /* UIAction+Subtitle.swift */,
 			);
 			path = Extensions;
 			sourceTree = "<group>";
@@ -1239,7 +1232,6 @@
 				D6B053A523BD2D0C00A066FA /* AssetCollectionViewController.swift */,
 				D626493E23C101C500612E6E /* AlbumAssetCollectionViewController.swift */,
 				D64BC18523C1253A000D0238 /* AssetPreviewViewController.swift */,
-				D6B053AD23BD322B00A066FA /* AssetPickerSheetContainerViewController.swift */,
 			);
 			path = "Asset Picker";
 			sourceTree = "<group>";
@@ -1501,7 +1493,6 @@
 			);
 			name = Tusker;
 			packageProductDependencies = (
-				D6B0539E23BD2BA300A066FA /* SheetController */,
 				D69CCBBE249E6EFD000AF167 /* CrashReporter */,
 				D60CFFDA24A290BA00D00083 /* SwiftSoup */,
 				D6676CA427A8D0020052936B /* WebURLFoundationExtras */,
@@ -1611,7 +1602,6 @@
 			);
 			mainGroup = D6D4DDC3212518A000E1C4BB;
 			packageReferences = (
-				D6B0539D23BD2BA300A066FA /* XCRemoteSwiftPackageReference "SheetController" */,
 				D69CCBBD249E6EFD000AF167 /* XCRemoteSwiftPackageReference "plcrashreporter" */,
 				D60CFFD924A290BA00D00083 /* XCRemoteSwiftPackageReference "SwiftSoup" */,
 				D6676CA127A8D0020052936B /* XCRemoteSwiftPackageReference "swift-url" */,
@@ -1760,7 +1750,6 @@
 				D64BC18F23C18B9D000D0238 /* FollowRequestNotificationTableViewCell.swift in Sources */,
 				D62E9989279DB2D100C26176 /* InstanceFeatures.swift in Sources */,
 				D693DE5923FE24310061E07D /* InteractivePushTransition.swift in Sources */,
-				D6E1EEF4285443EF00D20549 /* UIAction+Subtitle.swift in Sources */,
 				D69693FA25859A8000F4E116 /* ComposeSceneDelegate.swift in Sources */,
 				D6A3BC8A2321F79B00FD64D5 /* AccountTableViewCell.swift in Sources */,
 				D66A77BB233838DC0058F1EC /* UIFont+Traits.swift in Sources */,
@@ -1883,7 +1872,6 @@
 				D64D0AAD2128D88B005A6F37 /* LocalData.swift in Sources */,
 				D6945C2F23AC47C3005C403C /* SavedDataManager.swift in Sources */,
 				D6C94D892139E6EC00CB5196 /* AttachmentView.swift in Sources */,
-				D6B053AE23BD322B00A066FA /* AssetPickerSheetContainerViewController.swift in Sources */,
 				D6C693EF216192C2007D6A6D /* TuskerNavigationDelegate.swift in Sources */,
 				D6C94D872139E62700CB5196 /* LargeImageViewController.swift in Sources */,
 				D6B053AB23BD2F1400A066FA /* AssetCollectionViewCell.swift in Sources */,
@@ -2201,7 +2189,7 @@
 				CURRENT_PROJECT_VERSION = 31;
 				DEVELOPMENT_TEAM = V4WK9KR9U2;
 				INFOPLIST_FILE = Tusker/Info.plist;
-				IPHONEOS_DEPLOYMENT_TARGET = 14.3;
+				IPHONEOS_DEPLOYMENT_TARGET = 15.0;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
@@ -2231,7 +2219,7 @@
 				CURRENT_PROJECT_VERSION = 31;
 				DEVELOPMENT_TEAM = V4WK9KR9U2;
 				INFOPLIST_FILE = Tusker/Info.plist;
-				IPHONEOS_DEPLOYMENT_TARGET = 14.3;
+				IPHONEOS_DEPLOYMENT_TARGET = 15.0;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
@@ -2459,14 +2447,6 @@
 				minimumVersion = 1.8.0;
 			};
 		};
-		D6B0539D23BD2BA300A066FA /* XCRemoteSwiftPackageReference "SheetController" */ = {
-			isa = XCRemoteSwiftPackageReference;
-			repositoryURL = "https://git.shadowfacts.net/shadowfacts/SheetController.git";
-			requirement = {
-				branch = master;
-				kind = branch;
-			};
-		};
 /* End XCRemoteSwiftPackageReference section */
 
 /* Begin XCSwiftPackageProductDependency section */
@@ -2489,11 +2469,6 @@
 			package = D69CCBBD249E6EFD000AF167 /* XCRemoteSwiftPackageReference "plcrashreporter" */;
 			productName = CrashReporter;
 		};
-		D6B0539E23BD2BA300A066FA /* SheetController */ = {
-			isa = XCSwiftPackageProductDependency;
-			package = D6B0539D23BD2BA300A066FA /* XCRemoteSwiftPackageReference "SheetController" */;
-			productName = SheetController;
-		};
 /* End XCSwiftPackageProductDependency section */
 
 /* Begin XCVersionGroup section */

Tusker/Caching/ImageCache.swift

@@ -41,7 +41,6 @@ class ImageCache {
         let wrappedCompletion: ((Data?, UIImage?) -> Void)?
         if let completion = completion {
             wrappedCompletion = { (data, image) in
-                if #available(iOS 15.0, *) {
                 if !loadOriginal,
                    let size = self.desiredPixelSize {
                     image?.prepareThumbnail(of: size, completionHandler: {
@@ -52,11 +51,6 @@ class ImageCache {
                         completion(data, $0)
                     }
                 }
-                } else {
-                    self.backgroundQueue.async {
-                        completion(data, image)
-                    }
-                }
             }
         } else {
             wrappedCompletion = nil

Tusker/Extensions/UIAction+Subtitle.swift

@@ -1,19 +0,0 @@
-//
-//  UIAction+Subtitle.swift
-//  Tusker
-//
-//  Created by Shadowfacts on 6/10/22.
-//  Copyright © 2022 Shadowfacts. All rights reserved.
-//
-
-import UIKit
-
-extension UIAction {
-    convenience init(title: String, subtitle: String?, image: UIImage?, state: UIAction.State, handler: @escaping UIActionHandler) {
-        if #available(iOS 15.0, *) {
-            self.init(title: title, subtitle: subtitle, image: image, identifier: nil, discoverabilityTitle: nil, attributes: [], state: state, handler: handler)
-        } else {
-            self.init(title: title, image: image, identifier: nil, discoverabilityTitle: nil, attributes: [], state: state, handler: handler)
-        }
-    }
-}

Tusker/Screens/Asset Picker/AssetPickerSheetContainerViewController.swift

@@ -1,63 +0,0 @@
-//
-//  AssetPickerSheetContainerViewController.swift
-//  Tusker
-//
-//  Created by Shadowfacts on 1/1/20.
-//  Copyright © 2020 Shadowfacts. All rights reserved.
-//
-
-import UIKit
-import SheetController
-import Photos
-
-class AssetPickerSheetContainerViewController: SheetContainerViewController {
-    
-    let assetPicker = AssetPickerViewController()
-
-    init() {
-        super.init(content: assetPicker)
-        
-        assetPicker.view.translatesAutoresizingMaskIntoConstraints = false
-        assetPicker.view.layer.masksToBounds = true
-
-        delegate = self
-        assetPicker.delegate = self
-        detents = [.bottom, .middle, .top]
-        
-        overrideUserInterfaceStyle = .dark
-    }
-    
-    required init?(coder: NSCoder) {
-        fatalError("init(coder:) has not been implemented")
-    }
-    
-    override func viewDidLoad() {
-        assetPicker.view.layer.cornerRadius = view.bounds.width * 0.02
-        // don't round bottom corners, since they'll always be cut off by the device
-        assetPicker.view.layer.maskedCorners = [.layerMinXMinYCorner, .layerMaxXMinYCorner]
-        
-        super.viewDidLoad()
-    }
-
-}
-
-extension AssetPickerSheetContainerViewController: SheetContainerViewControllerDelegate {
-    func sheetContainerContentScrollView(_ sheetContainer: SheetContainerViewController) -> UIScrollView? {
-        if let vc = assetPicker.visibleViewController as? UITableViewController {
-            return vc.tableView
-        } else if let vc = assetPicker.visibleViewController as? UICollectionViewController {
-            return vc.collectionView
-        }
-        return nil
-    }
-    func sheetContainer(_ sheetContainer: SheetContainerViewController, topContentOffsetForScrollView scrollView: UIScrollView) -> CGFloat {
-        return assetPicker.navigationBar.bounds.height
-    }
-}
-
-extension AssetPickerSheetContainerViewController: UINavigationControllerDelegate {
-    func navigationController(_ navigationController: UINavigationController, didShow viewController: UIViewController, animated: Bool) {
-        contentScrollViewChanged()
-//        viewController.navigationItem.rightBarButtonItem = UIBarButtonItem(barButtonSystemItem: .done, target: self, action: #selector(donePressed))
-    }
-}

Tusker/Screens/Compose/ComposeAttachmentRow.swift

@@ -37,15 +37,9 @@ struct ComposeAttachmentRow: View {
                         }
                     }
                     
-                    if #available(iOS 15.0, *) {
                     Button(action: self.removeAttachment) {
                         Label("Delete", systemImage: "trash")
                     }.foregroundStyle(.red)
-                    } else {
-                        Button(action: self.removeAttachment) {
-                            Label("Delete", systemImage: "trash")
-                        }
-                    }
                 } previewIfAvailable: {
                     ComposeAttachmentImage(attachment: attachment, fullSize: true)
                 }

Tusker/Screens/Compose/ComposeAttachmentsList.swift

@@ -191,16 +191,6 @@ struct ComposeAttachmentsList: View {
 }
 
 fileprivate extension View {
-    @available(iOS, obsoleted: 15.0)
-    @ViewBuilder
-    func onDragWithPreviewIfAvailable<V>(_ data: @escaping () -> NSItemProvider, preview: () -> V) -> some View where V : View {
-        if #available(iOS 15.0, *) {
-            self.onDrag(data, preview: preview)
-        } else {
-            self.onDrag(data)
-        }
-    }
-    
     @available(iOS, obsoleted: 16.0)
     @ViewBuilder
     func sheetOrPopover(isPresented: Binding<Bool>, @ViewBuilder content: @escaping () -> some View) -> some View {

Tusker/Screens/Compose/ComposeAutocompleteView.swift

@@ -25,8 +25,6 @@ struct ComposeAutocompleteView: View {
     
     var body: some View {
         suggestionsView
-            // animate changes of the scroll view items
-            .animation(.default)
             .background(backgroundColor)
             .overlay(borderColor.frame(height: 0.5), alignment: .top)
     }
@@ -85,8 +83,8 @@ struct ComposeAutocompleteMentionsView: View {
                     }
                     .frame(height: 30)
                     .padding(.vertical, 8)
-                    .animation(.linear(duration: 0.1))
                 }
+                .animation(.linear(duration: 0.1), value: accounts)
                 
                 Spacer()
             }
@@ -167,7 +165,7 @@ struct ComposeAutocompleteMentionsView: View {
             .map(\.0)
     }
     
-    private enum EitherAccount {
+    private enum EitherAccount: Equatable {
         case pachyderm(Account)
         case coreData(AccountMO)
         
@@ -197,6 +195,10 @@ struct ComposeAutocompleteMentionsView: View {
                 return account.avatar
             }
         }
+        
+        static func ==(lhs: EitherAccount, rhs: EitherAccount) -> Bool {
+            return lhs.id == rhs.id
+        }
     }
 }
 
@@ -212,7 +214,7 @@ struct ComposeAutocompleteEmojisView: View {
         HStack(alignment: expanded ? .top : .center, spacing: 0) {
             if case let .emoji(query) = uiState.autocompleteState {
                 emojiList(query: query)
-                    .animation(.default)
+                    .animation(.default, value: expanded)
                     .transition(.move(edge: .bottom))
             } else {
                 // when the autocomplete view is animating out, the autocomplete state is nil
@@ -259,8 +261,8 @@ struct ComposeAutocompleteEmojisView: View {
                     }
                     .frame(height: 30)
                     .padding(.vertical, 8)
-                    .animation(.linear(duration: 0.2))
                 }
+                .animation(.linear(duration: 0.2), value: emojis)
                 
                 Spacer(minLength: 30)
             }
@@ -319,8 +321,8 @@ struct ComposeAutocompleteHashtagsView: View {
                     }
                     .frame(height: 30)
                     .padding(.vertical, 8)
-                    .animation(.linear(duration: 0.1))
                 }
+                .animation(.linear(duration: 0.1), value: hashtags)
                 
                 Spacer()
             }

Tusker/Screens/Compose/ComposeHostingController.swift

@@ -339,7 +339,6 @@ extension ComposeHostingController: ComposeUIStateDelegate {
     }
     
     func presentAssetPickerSheet() {
-        if #available(iOS 15.0, *) {
         let picker = AssetPickerViewController()
         picker.assetPickerDelegate = self
         picker.modalPresentationStyle = .pageSheet
@@ -348,15 +347,6 @@ extension ComposeHostingController: ComposeUIStateDelegate {
         sheet.detents = [.medium(), .large()]
         sheet.prefersEdgeAttachedInCompactHeight = true
         self.present(picker, animated: true)
-        } else {
-            presentOldAssetPickerSheet()
-        }
-    }
-    
-    private func presentOldAssetPickerSheet() {
-        let sheetContainer = AssetPickerSheetContainerViewController()
-        sheetContainer.assetPicker.assetPickerDelegate = self
-        self.present(sheetContainer, animated: true)
     }
     
     func presentComposeDrawing() {

Tusker/Screens/Compose/ComposePollView.swift

@@ -60,7 +60,9 @@ struct ComposePollView: View {
 
             HStack {
                 // use .animation(nil) on pickers so frame doesn't have a size change animation when the text changes
-                Picker(selection: $poll.multiple, label: Text(poll.multiple ? "Allow multiple choices" : "Single choice")) {
+                // this is deprecated in iOS 15, but using .animation(nil, value: poll.multiple) does not work (it still animates)
+                // nor does setting that on the Text rather than the Picker
+                Picker(selection: $poll.multiple, label: Text(poll.multiple ? "Allow multiple choice" : "Single choice")) {
                     Text("Allow multiple choices").tag(true)
                     Text("Single choice").tag(false)
                 }
@@ -154,8 +156,7 @@ struct ComposePollOption: View {
     var body: some View {
         HStack(spacing: 4) {
             Checkbox(radiusFraction: poll.multiple ? 0.1 : 0.5, borderWidth: 2)
-                .animation(.default)
+                .animation(.default, value: poll.multiple)
-            
             
             textField
             

Tusker/Screens/Compose/ComposeUIState.swift

@@ -49,7 +49,7 @@ extension ComposeUIState {
 }
 
 extension ComposeUIState {
-    enum AutocompleteState {
+    enum AutocompleteState: Equatable {
         case mention(String)
         case emoji(String)
         case hashtag(String)

Tusker/Screens/Compose/ComposeView.swift

@@ -119,7 +119,7 @@ struct ComposeView: View {
             }
         }
         .transition(.move(edge: .bottom))
-        .animation(.default)
+        .animation(.default, value: uiState.autocompleteState)
     }
     
     func mainStack(outerMinY: CGFloat) -> some View {
@@ -147,7 +147,6 @@ struct ComposeView: View {
             if let poll = draft.poll {
                 ComposePollView(draft: draft, poll: poll)
                     .transition(.opacity.combined(with: .asymmetric(insertion: .scale(scale: 0.5, anchor: .leading), removal: .scale(scale: 0.5, anchor: .trailing))))
-                    .animation(.default)
                 
             }
             

Tusker/Screens/Conversation/ConversationTableViewController.swift

@@ -124,13 +124,8 @@ class ConversationTableViewController: EnhancedTableViewController {
             }
         })
         
-        if #available(iOS 15.0, *) {
         visibilityBarButtonItem = UIBarButtonItem(image: ConversationTableViewController.showPostsImage, style: .plain, target: self, action: #selector(toggleVisibilityButtonPressed))
         visibilityBarButtonItem.isSelected = showStatusesAutomatically
-        } else {
-            let initialImage = showStatusesAutomatically ? ConversationTableViewController.hidePostsImage : ConversationTableViewController.showPostsImage
-            visibilityBarButtonItem = UIBarButtonItem(image: initialImage, style: .plain, target: self, action: #selector(toggleVisibilityButtonPressed))
-        }
         navigationItem.rightBarButtonItem = visibilityBarButtonItem
         // disable transparent background when scroll to top because it looks weird when items earlier in the thread load in
         // (it remains transparent slightly too long, resulting in a flash of the content under the transparent bar)
@@ -396,15 +391,7 @@ class ConversationTableViewController: EnhancedTableViewController {
         tableView.beginUpdates()
         tableView.endUpdates()
 
-        if #available(iOS 15.0, *) {
         visibilityBarButtonItem.isSelected = showStatusesAutomatically
-        } else {
-            if showStatusesAutomatically {
-                visibilityBarButtonItem.image = ConversationTableViewController.hidePostsImage
-            } else {
-                visibilityBarButtonItem.image = ConversationTableViewController.showPostsImage
-            }
-        }
     }
 
 }

Tusker/Screens/Explore/TrendingHashtagsViewController.swift

@@ -64,7 +64,7 @@ class TrendingHashtagsViewController: UIViewController {
             var snapshot = NSDiffableDataSourceSnapshot<Section, Item>()
             snapshot.appendSections([.trendingTags])
             snapshot.appendItems(hashtags.map { .tag($0) })
-            dataSource.apply(snapshot)
+            await dataSource.apply(snapshot)
         }
     }
     

Tusker/Screens/Main/MainSidebarViewController.swift

@@ -550,8 +550,7 @@ extension MainSidebarViewController: UICollectionViewDelegate {
     }
     
     func collectionView(_ collectionView: UICollectionView, contextMenuConfigurationForItemAt indexPath: IndexPath, point: CGPoint) -> UIContextMenuConfiguration? {
-        guard #available(iOS 15.0, *),
+        guard let item = dataSource.itemIdentifier(for: indexPath),
-              let item = dataSource.itemIdentifier(for: indexPath),
               let activity = userActivityForItem(item) else {
             return nil
         }

Tusker/Screens/Main/MainSplitViewController.swift

@@ -380,7 +380,7 @@ fileprivate extension MainSidebarViewController.Item {
 
 extension MainSplitViewController: TuskerRootViewController {
     @objc func presentCompose() {
-        if #available(iOS 15.0, *), UIDevice.current.userInterfaceIdiom == .pad || UIDevice.current.userInterfaceIdiom == .mac {
+        if UIDevice.current.userInterfaceIdiom == .pad || UIDevice.current.userInterfaceIdiom == .mac {
             let compose = UserActivityManager.newPostActivity(mentioning: nil, accountID: mastodonController.accountInfo!.id)
             let options = UIWindowScene.ActivationRequestOptions()
             options.preferredPresentationStyle = .prominent

Tusker/Screens/Main/MainTabBarViewController.swift

@@ -230,7 +230,7 @@ extension MainTabBarViewController: FastAccountSwitcherViewControllerDelegate {
 
 extension MainTabBarViewController: TuskerRootViewController {
     @objc func presentCompose() {
-        if #available(iOS 15.0, *), UIDevice.current.userInterfaceIdiom == .pad || UIDevice.current.userInterfaceIdiom == .mac {
+        if UIDevice.current.userInterfaceIdiom == .pad || UIDevice.current.userInterfaceIdiom == .mac {
             let compose = UserActivityManager.newPostActivity(mentioning: nil, accountID: mastodonController.accountInfo!.id)
             let options = UIWindowScene.ActivationRequestOptions()
             options.preferredPresentationStyle = .prominent

Tusker/Screens/Preferences/OppositeCollapseKeywordsView.swift

@@ -38,7 +38,7 @@ struct OppositeCollapseKeywordsView: View {
                     FocusableTextField(placeholder: "Add Keyword", text: $valueToAdd, becomeFirstResponder: $makeAddFieldFirstResponder, onCommit: self.addKeyword)
                 }
             }
-            .animation(.default)
+            .animation(.default, value: keywords.map(\.id))
             .listStyle(GroupedListStyle())
         }
         .onAppear(perform: updateAppearance)

Tusker/Screens/Preferences/WellnessPrefsView.swift

@@ -16,9 +16,7 @@ struct WellnessPrefsView: View {
             showFavAndReblogCount
             notificationsMode
             grayscaleImages
-            if #available(iOS 15.0, *) {
             disableInfiniteScrolling
-            }
             hideDiscover
         }
         .listStyle(InsetGroupedListStyle())

Tusker/Screens/Timeline/TimelineTableViewController.swift

@@ -164,8 +164,7 @@ class TimelineTableViewController: DiffableTimelineLikeTableViewController<Timel
             return
         }
         
-        if #available(iOS 15.0, *),
+        if Preferences.shared.disableInfiniteScrolling && !didConfirmLoadMore {
-           Preferences.shared.disableInfiniteScrolling && !didConfirmLoadMore {
             var snapshot = currentSnapshot()
             guard !snapshot.itemIdentifiers(inSection: .footer).contains(.confirmLoadMore) else {
                 // todo: need something more accurate than "success"/"failure"

Tusker/Screens/Utilities/Previewing.swift

@@ -59,7 +59,7 @@ extension MenuActionProvider {
                 draft.visibility = .direct
                 self.navigationDelegate?.compose(editing: draft)
             }),
-            UIDeferredMenuElement.uncachedIfPossible({ (elementHandler) in
+            UIDeferredMenuElement.uncached({ (elementHandler) in
                 Task { @MainActor in
                     if let action = await self.followAction(for: accountID, mastodonController: mastodonController) {
                         elementHandler([action])
@@ -358,7 +358,6 @@ extension MenuActionProvider {
     }
     
     private func addOpenInNewWindow(actions: inout [UIAction], activity: @escaping @autoclosure () -> NSUserActivity) {
-        if #available(iOS 15.0, *) {
         let options = UIWindowScene.ActivationRequestOptions()
         options.preferredPresentationStyle = .automatic
         actions.append(UIWindowScene.ActivationAction { (_) in
@@ -366,13 +365,6 @@ extension MenuActionProvider {
             activity.displaysAuxiliaryScene = true
             return .init(userActivity: activity, options: options, preview: nil)
         })
-        } else if UIApplication.shared.supportsMultipleScenes {
-            actions.append(createAction(identifier: "new_window", title: "Open in New Window", systemImageName: "rectangle.badge.plus", handler: { (_) in
-                let activity = activity()
-                activity.displaysAuxiliaryScene = true
-                UIApplication.shared.requestSceneSessionActivation(nil, userActivity: activity, options: nil, errorHandler: nil)
-            }))
-        }
     }
     
     private func followAction(for accountID: String, mastodonController: MastodonController) async -> UIMenuElement? {
@@ -423,13 +415,3 @@ extension SFSafariViewController: CustomPreviewPresenting {
         presenter.present(self, animated: true)
     }
 }
-
-private extension UIDeferredMenuElement {
-    static func uncachedIfPossible(_ elementProvider: @escaping (@escaping ([UIMenuElement]) -> Void) -> Void) -> UIDeferredMenuElement {
-        if #available(iOS 15.0, *) {
-            return UIDeferredMenuElement.uncached(elementProvider)
-        } else {
-            return UIDeferredMenuElement(elementProvider)
-        }
-    }
-}

Tusker/TuskerNavigationDelegate.swift

@@ -89,7 +89,7 @@ extension TuskerNavigationDelegate {
     }
     
     func compose(editing draft: Draft) {
-        if #available(iOS 15.0, *), UIDevice.current.userInterfaceIdiom == .pad || UIDevice.current.userInterfaceIdiom == .mac {
+        if UIDevice.current.userInterfaceIdiom == .pad || UIDevice.current.userInterfaceIdiom == .mac {
             let compose = UserActivityManager.editDraftActivity(id: draft.id, accountID: apiController.accountInfo!.id)
             let options = UIWindowScene.ActivationRequestOptions()
             options.preferredPresentationStyle = .prominent

Tusker/Views/Confirm Load More Cell/ConfirmLoadMoreTableViewCell.swift

@@ -23,7 +23,6 @@ class ConfirmLoadMoreTableViewCell: UITableViewCell {
     override func awakeFromNib() {
         super.awakeFromNib()
         
-        if #available(iOS 15.0, *) {
         var config = UIButton.Configuration.tinted()
         config.title = "Load More"
         config.showsActivityIndicator = false
@@ -33,23 +32,18 @@ class ConfirmLoadMoreTableViewCell: UITableViewCell {
             button.configuration?.showsActivityIndicator = self.isLoading
         }
     }
-    }
     
     override func prepareForReuse() {
         super.prepareForReuse()
         
         isLoading = false
-        if #available(iOS 15.0, *) {
         confirmButton.setNeedsUpdateConfiguration()
     }
-    }
     
     @IBAction func loadMorePressed(_ sender: Any) {
         confirmLoadMore?()
-        if #available(iOS 15.0, *) {
         isLoading = true
         confirmButton.setNeedsUpdateConfiguration()
     }
-    }
     
 }

Tusker/Views/Timeline Description Cell/PublicTimelineDescriptionTableViewCell.swift

@@ -24,11 +24,7 @@ class PublicTimelineDescriptionTableViewCell: UITableViewCell {
     override func awakeFromNib() {
         super.awakeFromNib()
         
-        if #available(iOS 15.0, *) {
         contentView.backgroundColor = .tintColor
-        } else {
-            contentView.backgroundColor = .systemBlue
-        }
     }
     
     private func updateLabel() {