Bump build number and update changelog

Also remove old workaround for bad dates from #477

Closes #478

CHANGELOG.md

@@ -1,5 +1,29 @@
 # Changelog
 
+## 2024.3 (127)
+Bugfixes:
+- Fix Remove Suggestion context menu action missing from Suggested Accounts screen
+- Fix profile header images being blurry
+- Fix dismissing gallery when presented from sheet
+- Fix potential crash in multi-column interface
+- Fix crash when opening push notification while sheet presented
+- Fix being able to block your own domain
+- Fix links in profile fields with other text not being interactable
+- Fix excessive CPU use immediately after app launch
+- Fix timeline failing to load when one status is malformed
+- iPadOS: Fix pointer interactions on conversation main status action buttons
+- iPadOS: Fix multiple close buttons being added in multi-column interface
+- iPadOS: Fix Cmd+1/etc. resetting navigation state when returning to previous column
+- iPadOS: Fix previous sidebar selection losing navigation state in some circumstances
+- iPadOS: Fix profile followers/following buttons not having pointer effect
+- iPadOS: Fix search token suggestions not having pointer effect
+- iPadOS: Fix conversation thread links appearing above avatar during pointer effect
+- iPadOS: Fix multi-column interface not animating scroll when replacing subsequent columns
+- iPadOS: Fix not being able to select text on conversation main status by double-clicking with cursor
+- iPadOS: Fix selecting search result always pushing new column rather than replacing
+- Pixelfed/Firefish: Fix error loading accounts in some circumstances
+- Pixelfed: Fix loading relationships and follow/block/etc. actions not working
+
 ## 2024.3 (126)
 Bugfixes:
 - Fix an issue displaying post HTML in certain edge cases

NotificationExtension/NotificationService.swift

@@ -63,6 +63,7 @@ class NotificationService: UNNotificationServiceExtension {
         mutableContent.body = notification.body
         mutableContent.userInfo["notificationID"] = notification.notificationID
         mutableContent.userInfo["accountID"] = accountID
+        mutableContent.targetContentIdentifier = accountID
 
         let task = Task {
             await updateNotificationContent(mutableContent, account: account, push: notification)

Packages/GalleryVC/Sources/GalleryVC/GalleryDismissAnimationController.swift

@@ -52,15 +52,22 @@ class GalleryDismissAnimationController: NSObject, UIViewControllerAnimatedTrans
             appliedSourceToDestTransform = false
         }
         
-        to.view.frame = container.bounds
+        // 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 content = itemViewController.takeContent()
         content.view.translatesAutoresizingMaskIntoConstraints = true
         content.view.layer.masksToBounds = true
-        
-        container.addSubview(to.view)
-        container.addSubview(from.view)
         container.addSubview(content.view)
         
         content.view.frame = destFrameInContainer

Packages/InstanceFeatures/Sources/InstanceFeatures/InstanceFeatures.swift

@@ -217,6 +217,18 @@ public final class InstanceFeatures: ObservableObject {
         instanceType.isPleroma
     }
     
+    public var muteNotifications: Bool {
+        !instanceType.isPixelfed
+    }
+    
+    public var blockDomains: Bool {
+        !instanceType.isPixelfed
+    }
+    
+    public var hideReblogs: Bool {
+        !instanceType.isPixelfed
+    }
+    
     public init() {
     }
     
@@ -338,6 +350,14 @@ extension InstanceFeatures {
                 return false
             }
         }
+        
+        var isPixelfed: Bool {
+            if case .pixelfed = self {
+                return true
+            } else {
+                return false
+            }
+        }
     }
     
     @_spi(InstanceType) public enum MastodonType {

Packages/Pachyderm/Sources/Pachyderm/Client.swift

@@ -42,8 +42,7 @@ public struct Client: Sendable {
             } 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)"))
+                throw DecodingError.typeMismatch(Date.self, .init(codingPath: container.codingPath, debugDescription: "unexpected date format: \(str)"))
-                return Date(timeIntervalSinceReferenceDate: 0)
             }
         })
         
@@ -205,8 +204,8 @@ public struct Client: Sendable {
         return Request<Account>(method: .get, path: "/api/v1/accounts/verify_credentials")
     }
     
-    public static func getFavourites(range: RequestRange = .default) -> Request<[Status]> {
+    public static func getFavourites(range: RequestRange = .default) -> Request<[TryDecode<Status>]> {
-        var request = Request<[Status]>(method: .get, path: "/api/v1/favourites")
+        var request = Request<[TryDecode<Status>]>(method: .get, path: "/api/v1/favourites")
         request.range = range
         return request
     }
@@ -457,14 +456,13 @@ public struct Client: Sendable {
     }
     
     // MARK: - Timelines
-    public static func getStatuses(timeline: Timeline, range: RequestRange = .default) -> Request<[Status]> {
+    public static func getStatuses(timeline: Timeline, range: RequestRange = .default) -> Request<[TryDecode<Status>]> {
         return timeline.request(range: range)
     }
     
-    
     // MARK: - Bookmarks
-    public static func getBookmarks(range: RequestRange = .default) -> Request<[Status]> {
+    public static func getBookmarks(range: RequestRange = .default) -> Request<[TryDecode<Status>]> {
-        var request = Request<[Status]>(method: .get, path: "/api/v1/bookmarks")
+        var request = Request<[TryDecode<Status>]>(method: .get, path: "/api/v1/bookmarks")
         request.range = range
         return request
     }
@@ -492,7 +490,7 @@ public struct Client: Sendable {
         return Request<[Hashtag]>(method: .get, path: "/api/v1/trends/tags", queryParameters: parameters)
     }
     
-    public static func getTrendingStatuses(limit: Int? = nil, offset: Int? = nil) -> Request<[Status]> {
+    public static func getTrendingStatuses(limit: Int? = nil, offset: Int? = nil) -> Request<[TryDecode<Status>]> {
         var parameters: [Parameter] = []
         if let limit {
             parameters.append("limit" => limit)

Packages/Pachyderm/Sources/Pachyderm/Model/Account.swift

@@ -40,8 +40,9 @@ public final class Account: AccountProtocol, Decodable, Sendable {
         self.displayName = try container.decode(String.self, forKey: .displayName)
         self.locked = try container.decode(Bool.self, forKey: .locked)
         self.createdAt = try container.decode(Date.self, forKey: .createdAt)
-        self.followersCount = try container.decode(Int.self, forKey: .followersCount)
+        // some instance types (pixelfed, firefish) seem to sometimes send null for these fields, so just fallback to 0
-        self.followingCount = try container.decode(Int.self, forKey: .followingCount)
+        self.followersCount = try container.decodeIfPresent(Int.self, forKey: .followersCount) ?? 0
+        self.followingCount = try container.decodeIfPresent(Int.self, forKey: .followingCount) ?? 0
         self.statusesCount = try container.decode(Int.self, forKey: .statusesCount)
         self.note = try container.decode(String.self, forKey: .note)
         self.url = try container.decode(URL.self, forKey: .url)
@@ -94,8 +95,8 @@ public final class Account: AccountProtocol, Decodable, Sendable {
         return request
     }
     
-    public static func getStatuses(_ accountID: String, range: RequestRange = .default, onlyMedia: Bool? = nil, pinned: Bool? = nil, excludeReplies: Bool? = nil, excludeReblogs: Bool? = nil) -> Request<[Status]> {
+    public static func getStatuses(_ accountID: String, range: RequestRange = .default, onlyMedia: Bool? = nil, pinned: Bool? = nil, excludeReplies: Bool? = nil, excludeReblogs: Bool? = nil) -> Request<[TryDecode<Status>]> {
-        var request = Request<[Status]>(method: .get, path: "/api/v1/accounts/\(accountID)/statuses", queryParameters: [
+        var request = Request<[TryDecode<Status>]>(method: .get, path: "/api/v1/accounts/\(accountID)/statuses", queryParameters: [
                 "only_media" => onlyMedia,
                 "pinned" => pinned,
                 "exclude_replies" => excludeReplies,

Packages/Pachyderm/Sources/Pachyderm/Model/Relationship.swift

@@ -27,10 +27,13 @@ public struct Relationship: RelationshipProtocol, Decodable, Sendable {
         self.followedBy = try container.decode(Bool.self, forKey: .followedBy)
         self.blocking = try container.decode(Bool.self, forKey: .blocking)
         self.muting = try container.decode(Bool.self, forKey: .muting)
-        self.mutingNotifications = try container.decode(Bool.self, forKey: .mutingNotifications)
+        // not supported on pixelfed
+        self.mutingNotifications = try container.decodeIfPresent(Bool.self, forKey: .mutingNotifications) ?? false
         self.followRequested = try container.decode(Bool.self, forKey: .followRequested)
-        self.domainBlocking = try container.decode(Bool.self, forKey: .domainBlocking)
+        // not supported on pixelfed
-        self.showingReblogs = try container.decode(Bool.self, forKey: .showingReblogs)
+        self.domainBlocking = try container.decodeIfPresent(Bool.self, forKey: .domainBlocking) ?? false
+        // not supported on pixelfed
+        self.showingReblogs = try container.decodeIfPresent(Bool.self, forKey: .showingReblogs) ?? true
         self.endorsed = try container.decodeIfPresent(Bool.self, forKey: .endorsed) ?? false
     }
     

Packages/Pachyderm/Sources/Pachyderm/Model/SearchResults.swift

@@ -10,7 +10,7 @@ import Foundation
 
 public struct SearchResults: Decodable, Sendable {
     public let accounts: [Account]
-    public let statuses: [Status]
+    public let statuses: [TryDecode<Status>]
     public let hashtags: [Hashtag]
     
     private enum CodingKeys: String, CodingKey {

Packages/Pachyderm/Sources/Pachyderm/Model/Timeline.swift

@@ -32,8 +32,8 @@ extension Timeline {
         }
     }
     
-    func request(range: RequestRange) -> Request<[Status]> {
+    func request(range: RequestRange) -> Request<[TryDecode<Status>]> {
-        var request: Request<[Status]> = Request<[Status]>(method: .get, path: endpoint)
+        var request = Request<[TryDecode<Status>]>(method: .get, path: endpoint)
         if case .public(true) = self {
             request.queryParameters.append("local" => true)
         }

Packages/Pachyderm/Sources/Pachyderm/Utilities/TryDecode.swift

@@ -0,0 +1,32 @@
+//
+//  TryDecode.swift
+//  Pachyderm
+//
+//  Created by Shadowfacts on 6/8/24.
+//
+
+import Foundation
+
+public enum TryDecode<T: Decodable>: Decodable {
+    case error(String)
+    case value(T)
+    
+    public init(from decoder: any Decoder) throws {
+        do {
+            self = .value(try T(from: decoder))
+        } catch {
+            self = .error(error.localizedDescription)
+        }
+    }
+    
+    public var value: T? {
+        if case .value(let value) = self {
+            value
+        } else {
+            nil
+        }
+    }
+}
+
+extension TryDecode: Sendable where T: Sendable {
+}

Tusker.xcodeproj/project.pbxproj

@@ -75,6 +75,7 @@
 		D620483423D3801D008A63EF /* LinkTextView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D620483323D3801D008A63EF /* LinkTextView.swift */; };
 		D620483623D38075008A63EF /* ContentTextView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D620483523D38075008A63EF /* ContentTextView.swift */; };
 		D620483823D38190008A63EF /* StatusContentTextView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D620483723D38190008A63EF /* StatusContentTextView.swift */; };
+		D6210D762C0B924F009BB569 /* RemoveProfileSuggestionService.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6210D752C0B924F009BB569 /* RemoveProfileSuggestionService.swift */; };
 		D621733328F1D5ED004C7DB1 /* ReblogService.swift in Sources */ = {isa = PBXBuildFile; fileRef = D621733228F1D5ED004C7DB1 /* ReblogService.swift */; };
 		D62275A824F1CA2800B82A16 /* ComposeReplyContentView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D62275A724F1CA2800B82A16 /* ComposeReplyContentView.swift */; };
 		D623A53D2635F5590095BD04 /* StatusPollView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D623A53C2635F5590095BD04 /* StatusPollView.swift */; };
@@ -258,6 +259,7 @@
 		D6A6C10F25B62D2400298D0F /* DiskCache.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6A6C10E25B62D2400298D0F /* DiskCache.swift */; };
 		D6A6C11525B62E9700298D0F /* CacheExpiry.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6A6C11425B62E9700298D0F /* CacheExpiry.swift */; };
 		D6A6C11B25B63CEE00298D0F /* MemoryCache.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6A6C11A25B63CEE00298D0F /* MemoryCache.swift */; };
+		D6A8D7A52C14DB280007B285 /* PersistentHistoryTokenStore.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6A8D7A42C14DB280007B285 /* PersistentHistoryTokenStore.swift */; };
 		D6AC956723C4347E008C9946 /* MainSceneDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6AC956623C4347E008C9946 /* MainSceneDelegate.swift */; };
 		D6ADB6E828E8C878009924AB /* PublicTimelineDescriptionCollectionViewCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6ADB6E728E8C878009924AB /* PublicTimelineDescriptionCollectionViewCell.swift */; };
 		D6ADB6EA28E91C30009924AB /* TimelineStatusCollectionViewCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6ADB6E928E91C30009924AB /* TimelineStatusCollectionViewCell.swift */; };
@@ -506,6 +508,7 @@
 		D620483323D3801D008A63EF /* LinkTextView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LinkTextView.swift; sourceTree = "<group>"; };
 		D620483523D38075008A63EF /* ContentTextView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ContentTextView.swift; sourceTree = "<group>"; };
 		D620483723D38190008A63EF /* StatusContentTextView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = StatusContentTextView.swift; sourceTree = "<group>"; };
+		D6210D752C0B924F009BB569 /* RemoveProfileSuggestionService.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = RemoveProfileSuggestionService.swift; sourceTree = "<group>"; };
 		D621733228F1D5ED004C7DB1 /* ReblogService.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ReblogService.swift; sourceTree = "<group>"; };
 		D62275A724F1CA2800B82A16 /* ComposeReplyContentView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ComposeReplyContentView.swift; sourceTree = "<group>"; };
 		D623A53C2635F5590095BD04 /* StatusPollView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = StatusPollView.swift; sourceTree = "<group>"; };
@@ -685,6 +688,7 @@
 		D6A6C10E25B62D2400298D0F /* DiskCache.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DiskCache.swift; sourceTree = "<group>"; };
 		D6A6C11425B62E9700298D0F /* CacheExpiry.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CacheExpiry.swift; sourceTree = "<group>"; };
 		D6A6C11A25B63CEE00298D0F /* MemoryCache.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MemoryCache.swift; sourceTree = "<group>"; };
+		D6A8D7A42C14DB280007B285 /* PersistentHistoryTokenStore.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PersistentHistoryTokenStore.swift; sourceTree = "<group>"; };
 		D6A9E04F29F8917500BEDC7E /* MatchedGeometryPresentation */ = {isa = PBXFileReference; lastKnownFileType = wrapper; path = MatchedGeometryPresentation; sourceTree = "<group>"; };
 		D6AC956623C4347E008C9946 /* MainSceneDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MainSceneDelegate.swift; sourceTree = "<group>"; };
 		D6ADB6E728E8C878009924AB /* PublicTimelineDescriptionCollectionViewCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PublicTimelineDescriptionCollectionViewCell.swift; sourceTree = "<group>"; };
@@ -1049,6 +1053,7 @@
 				D608470E2A245D1F00C17380 /* ActiveInstance.swift */,
 				D60E2F2D244248BF005F8713 /* MastodonCachePersistentStore.swift */,
 				D6B936702829F72900237D0E /* NSManagedObjectContext+Helpers.swift */,
+				D6A8D7A42C14DB280007B285 /* PersistentHistoryTokenStore.swift */,
 			);
 			path = CoreData;
 			sourceTree = "<group>";
@@ -1757,6 +1762,7 @@
 				D6DD8FFC298495A8002AD3FD /* LogoutService.swift */,
 				D6D79F252A0C8D2700AB2315 /* FetchStatusSourceService.swift */,
 				D630C3CB2BC5FD4600208903 /* GetAuthorizationTokenService.swift */,
+				D6210D752C0B924F009BB569 /* RemoveProfileSuggestionService.swift */,
 			);
 			path = API;
 			sourceTree = "<group>";
@@ -2362,6 +2368,7 @@
 				D698F46D2BD0B8310054DB14 /* AnnouncementsCollection.swift in Sources */,
 				D61F75AF293AF50C00C0B37F /* EditedFilter.swift in Sources */,
 				D691771929A7B8820054D7EF /* ProfileHeaderMovedOverlayView.swift in Sources */,
+				D6210D762C0B924F009BB569 /* RemoveProfileSuggestionService.swift in Sources */,
 				D61F75B9293C15A000C0B37F /* ZeroHeightCollectionViewCell.swift in Sources */,
 				D68232F72464F4FD00325FB8 /* ComposeDrawingViewController.swift in Sources */,
 				04586B4122B2FFB10021BD04 /* PreferencesView.swift in Sources */,
@@ -2408,6 +2415,7 @@
 				D68A76E829527884001DA1B3 /* PinnedTimelinesView.swift in Sources */,
 				D690797324A4EF9700023A34 /* UIBezierPath+Helpers.swift in Sources */,
 				D6D12B5A292D684600D528E1 /* AccountListViewController.swift in Sources */,
+				D6A8D7A52C14DB280007B285 /* PersistentHistoryTokenStore.swift in Sources */,
 				D693DE5723FE1A6A0061E07D /* EnhancedNavigationViewController.swift in Sources */,
 				D646DCDC2A081CF10059ECEB /* StatusUpdatedNotificationCollectionViewCell.swift in Sources */,
 			);

Tusker/API/RemoveProfileSuggestionService.swift

@@ -0,0 +1,39 @@
+//
+//  RemoveProfileSuggestionService.swift
+//  Tusker
+//
+//  Created by Shadowfacts on 6/1/24.
+//  Copyright © 2024 Shadowfacts. All rights reserved.
+//
+
+import Foundation
+import Pachyderm
+
+@MainActor
+class RemoveProfileSuggestionService {
+    private let accountID: String
+    private let mastodonController: MastodonController
+    private let presenter: any TuskerNavigationDelegate
+    private let completionHandler: @MainActor () -> Void
+    
+    init(accountID: String, mastodonController: MastodonController, presenter: any TuskerNavigationDelegate, completionHandler: @MainActor @escaping () -> Void) {
+        self.accountID = accountID
+        self.mastodonController = mastodonController
+        self.presenter = presenter
+        self.completionHandler = completionHandler
+    }
+    
+    func run() async {
+        let req = Suggestion.remove(accountID: accountID)
+        do {
+            _ = try await mastodonController.run(req)
+            completionHandler()
+        } catch {
+            let config = ToastConfiguration(from: error, with: "Error Removing Suggestion", in: presenter) { toast in
+                toast.dismissToast(animated: true)
+                await self.run()
+            }
+            self.presenter.showToast(configuration: config, animated: true)
+        }
+    }
+}

Tusker/AppDelegate.swift

@@ -290,12 +290,18 @@ extension AppDelegate: UNUserNotificationCenterDelegate {
             // if the scene is already active, then we animate the account switching if necessary
             delegate.activateAccount(account, animated: scene.activationState == .foregroundActive)
             
-            rootViewController.select(route: .notifications, animated: false)
+            rootViewController.select(route: .notifications, animated: false) {
-            let vc = NotificationLoadingViewController(notificationID: notificationID, mastodonController: mastodonController)
+                let vc = NotificationLoadingViewController(notificationID: notificationID, mastodonController: mastodonController)
-            rootViewController.getNavigationController().pushViewController(vc, animated: false)
+                rootViewController.getNavigationController().pushViewController(vc, animated: false)
+            }
         } else {
             let activity = UserActivityManager.showNotificationActivity(id: notificationID, accountID: accountID)
-            UIApplication.shared.requestSceneSessionActivation(nil, userActivity: activity, options: nil)
+            if #available(iOS 17.0, *) {
+                let request = UISceneSessionActivationRequest(userActivity: activity)
+                UIApplication.shared.activateSceneSession(for: request)
+            } else {
+                UIApplication.shared.requestSceneSessionActivation(nil, userActivity: activity, options: nil)
+            }
         }
         completionHandler()
     }

Tusker/CoreData/MastodonCachePersistentStore.swift

@@ -48,8 +48,6 @@ class MastodonCachePersistentStore: NSPersistentCloudKitContainer {
         return context
     }()
     
-    private var lastRemoteChangeToken: NSPersistentHistoryToken?
-    
     // TODO: consider sending managed objects through this to avoid re-fetching things unnecessarily
     // would need to audit existing uses to make sure everything happens on the main thread
     // and when updating things on the background context would need to switch to main, refetch, and then publish
@@ -190,8 +188,10 @@ class MastodonCachePersistentStore: NSPersistentCloudKitContainer {
         viewContext.mergePolicy = NSMergePolicy.mergeByPropertyObjectTrump
         viewContext.name = "View"
         
-        NotificationCenter.default.addObserver(self, selector: #selector(managedObjectsDidChange), name: .NSManagedObjectContextObjectsDidChange, object: viewContext)
+        if accountInfo != nil {
-        NotificationCenter.default.addObserver(self, selector: #selector(remoteChanges), name: .NSPersistentStoreRemoteChange, object: persistentStoreCoordinator)
+            NotificationCenter.default.addObserver(self, selector: #selector(managedObjectsDidChange), name: .NSManagedObjectContextObjectsDidChange, object: viewContext)
+            NotificationCenter.default.addObserver(self, selector: #selector(remoteChanges), name: .NSPersistentStoreRemoteChange, object: persistentStoreCoordinator)
+        }
     }
     
     func save(context: NSManagedObjectContext) {
@@ -521,58 +521,82 @@ class MastodonCachePersistentStore: NSPersistentCloudKitContainer {
     }
     
     @objc private func remoteChanges(_ notification: Foundation.Notification) {
-        guard let token = notification.userInfo?[NSPersistentHistoryTokenKey] as? NSPersistentHistoryToken else {
+        guard let accountInfo,
+              let token = notification.userInfo?[NSPersistentHistoryTokenKey] as? NSPersistentHistoryToken else {
             return
         }
-        remoteChangesBackgroundContext.perform {
+        PersistentHistoryTokenStore.token(for: accountInfo) { lastToken in
-            defer {
+            self.remoteChangesBackgroundContext.perform {
-                self.lastRemoteChangeToken = token
+                defer {
+                    PersistentHistoryTokenStore.setToken(token, for: accountInfo)
+                }
+                let transactions: [NSPersistentHistoryTransaction]
+                do {
+                    let req = NSPersistentHistoryChangeRequest.fetchHistory(after: lastToken)
+                    if let result = try self.remoteChangesBackgroundContext.execute(req) as? NSPersistentHistoryResult {
+                        transactions = result.result as? [NSPersistentHistoryTransaction] ?? []
+                    } else {
+                        logger.error("Unexpectedly non-NSPersistentHistoryResult")
+                        return
+                    }
+                } catch {
+                    logger.error("Unable to fetch persistent history results: \(String(describing: error), privacy: .public)")
+                    return
+                }
+                if !transactions.isEmpty {
+                    self.processPersistentHistoryTransactions(transactions)
+                }
+                
+                // NB: We deliberately do not purge old persistent history.
+                // Doing so causes the CoreData+CloudKit integration to replay all of
+                // the server's changes on initialization, which takes a long time
+                // and produces a bunch of intermediate UI updates we don't want.
             }
-            let req = NSPersistentHistoryChangeRequest.fetchHistory(after: self.lastRemoteChangeToken)
+        }
-            if let result = try? self.remoteChangesBackgroundContext.execute(req) as? NSPersistentHistoryResult,
+    }
-               let transactions = result.result as? [NSPersistentHistoryTransaction],
+    
-               !transactions.isEmpty {
+    private func processPersistentHistoryTransactions(_ transactions: [NSPersistentHistoryTransaction]) {
-                var changedHashtags = false
+        logger.info("Processing \(transactions.count) persistent history transactions")
-                var changedInstances = false
+        var changedHashtags = false
-                var changedTimelinePositions = Set<NSManagedObjectID>()
+        var changedInstances = false
-                var changedAccountPrefs = false
+        var changedTimelinePositions = Set<NSManagedObjectID>()
-                outer: for transaction in transactions {
+        var changedAccountPrefs = false
-                    for change in transaction.changes ?? [] {
+        outer: for transaction in transactions {
-                        if change.changedObjectID.entity.name == "SavedHashtag" {
+            logger.info("Processing \(transaction.changes?.count ?? 0) changes in transaction")
-                            changedHashtags = true
+            for change in transaction.changes ?? [] {
-                        } else if change.changedObjectID.entity.name == "SavedInstance" {
+                if change.changedObjectID.entity.name == "SavedHashtag" {
-                            changedInstances = true
+                    changedHashtags = true
-                        } else if change.changedObjectID.entity.name == "TimelinePosition" {
+                } else if change.changedObjectID.entity.name == "SavedInstance" {
-                            changedTimelinePositions.insert(change.changedObjectID)
+                    changedInstances = true
-                        } else if change.changedObjectID.entity.name == "AccountPreferences" {
+                } else if change.changedObjectID.entity.name == "TimelinePosition" {
-                            changedAccountPrefs = true
+                    changedTimelinePositions.insert(change.changedObjectID)
-                        }
+                } else if change.changedObjectID.entity.name == "AccountPreferences" {
-                    }
+                    changedAccountPrefs = true
                 }
-                // Can't capture vars in concurrently-executing closure
+            }
-                let hashtags = changedHashtags
+        }
-                let instances = changedInstances
+        // Can't capture vars in concurrently-executing closure
-                let timelinePositions = changedTimelinePositions
+        let hashtags = changedHashtags
-                let accountPrefs = changedAccountPrefs
+        let instances = changedInstances
-                DispatchQueue.main.async {
+        let timelinePositions = changedTimelinePositions
-                    if hashtags {
+        let accountPrefs = changedAccountPrefs
-                        NotificationCenter.default.post(name: .savedHashtagsChanged, object: nil)
+        DispatchQueue.main.async {
-                    }
+            if hashtags {
-                    if instances {
+                NotificationCenter.default.post(name: .savedHashtagsChanged, object: nil)
-                        NotificationCenter.default.post(name: .savedInstancesChanged, object: nil)
+            }
-                    }
+            if instances {
-                    for id in timelinePositions {
+                NotificationCenter.default.post(name: .savedInstancesChanged, object: nil)
-                        guard let timelinePosition = try? self.viewContext.existingObject(with: id) as? TimelinePosition else {
+            }
-                            continue
+            for id in timelinePositions {
-                        }
+                guard let timelinePosition = try? self.viewContext.existingObject(with: id) as? TimelinePosition else {
-                        // the kvo observer that clears the LazilyDecoding cache doesn't always fire on remote changes, so do it manually
+                    continue
-                        timelinePosition.changedRemotely()
-                        NotificationCenter.default.post(name: .timelinePositionChanged, object: timelinePosition)
-                    }
-                    if accountPrefs {
-                        NotificationCenter.default.post(name: .accountPreferencesChangedRemotely, object: nil)
-                    }
                 }
+                // the kvo observer that clears the LazilyDecoding cache doesn't always fire on remote changes, so do it manually
+                timelinePosition.changedRemotely()
+                NotificationCenter.default.post(name: .timelinePositionChanged, object: timelinePosition)
+            }
+            if accountPrefs {
+                NotificationCenter.default.post(name: .accountPreferencesChangedRemotely, object: nil)
             }
         }
     }

Tusker/CoreData/PersistentHistoryTokenStore.swift

@@ -0,0 +1,47 @@
+//
+//  PersistentHistoryTokenStore.swift
+//  Tusker
+//
+//  Created by Shadowfacts on 6/8/24.
+//  Copyright © 2024 Shadowfacts. All rights reserved.
+//
+
+import Foundation
+import CoreData
+import UserAccounts
+
+struct PersistentHistoryTokenStore {
+    private static let queue = DispatchQueue(label: "PersistentHistoryTokenStore")
+    
+    private static var tokens: [String: NSPersistentHistoryToken] = (try? load()) ?? [:]
+    
+    private static let applicationSupportDirectory = FileManager.default.urls(for: .applicationSupportDirectory, in: .userDomainMask).first!
+    private static let storeURL = applicationSupportDirectory.appendingPathComponent("PersistentHistoryTokenStore.plist")
+    
+    private static func load() throws -> [String: NSPersistentHistoryToken]? {
+        let data = try Data(contentsOf: storeURL)
+        let unarchived = try NSKeyedUnarchiver.unarchivedObject(ofClasses: [NSDictionary.self, NSString.self, NSPersistentHistoryToken.self], from: data)
+        return unarchived as? [String: NSPersistentHistoryToken]
+    }
+    
+    private static func save() throws {
+        let data = try NSKeyedArchiver.archivedData(withRootObject: tokens as [NSString: NSPersistentHistoryToken], requiringSecureCoding: true)
+        try data.write(to: PersistentHistoryTokenStore.storeURL)
+    }
+
+    static func token(for account: UserAccountInfo, completion: @escaping (NSPersistentHistoryToken?) -> Void) {
+        queue.async {
+            completion(tokens[account.id])
+        }
+    }
+    
+    static func setToken(_ token: NSPersistentHistoryToken, for account: UserAccountInfo) {
+        queue.async {
+            tokens[account.id] = token
+            try? save()
+        }
+    }
+    
+    private init() {}
+
+}

Tusker/Scenes/AuxiliarySceneDelegate.swift

@@ -32,8 +32,9 @@ class AuxiliarySceneDelegate: UIResponder, UIWindowSceneDelegate, TuskerSceneDel
         }
         launchActivity = activity
         
+        scene.activationConditions.canActivateForTargetContentIdentifierPredicate = NSPredicate(value: false)
+
         let account: UserAccountInfo
-        
         if let activityAccount = UserActivityManager.getAccount(from: activity) {
             account = activityAccount
         } else if let mostRecent = UserAccountsManager.shared.getMostRecentAccount() {

Tusker/Scenes/ComposeSceneDelegate.swift

@@ -29,6 +29,8 @@ class ComposeSceneDelegate: UIResponder, UIWindowSceneDelegate, TuskerSceneDeleg
             return
         }
         
+        scene.activationConditions.canActivateForTargetContentIdentifierPredicate = NSPredicate(value: false)
+
         let account: UserAccountInfo
         let controller: MastodonController
         let draft: Draft?

Tusker/Scenes/MainSceneDelegate.swift

@@ -83,7 +83,9 @@ class MainSceneDelegate: UIResponder, UIWindowSceneDelegate, TuskerSceneDelegate
         } else {
             context = ActiveAccountUserActivityHandlingContext(isHandoff: true, root: rootViewController!)
         }
-        _ = userActivity.handleResume(manager: UserActivityManager(scene: scene as! UIWindowScene, context: context))
+        Task(priority: .userInitiated) {
+            _ = await userActivity.handleResume(manager: UserActivityManager(scene: scene as! UIWindowScene, context: context))
+        }
     }
     
     func windowScene(_ windowScene: UIWindowScene, performActionFor shortcutItem: UIApplicationShortcutItem, completionHandler: @escaping (Bool) -> Void) {
@@ -191,8 +193,10 @@ class MainSceneDelegate: UIResponder, UIWindowSceneDelegate, TuskerSceneDelegate
             
             if let activity = launchActivity {
                 func doRestoreActivity(context: UserActivityHandlingContext) {
-                    _ = activity.handleResume(manager: UserActivityManager(scene: window!.windowScene!, context: context))
+                    Task(priority: .userInitiated) {
-                    context.finalize(activity: activity)
+                        _ = await activity.handleResume(manager: UserActivityManager(scene: window!.windowScene!, context: context))
+                        context.finalize(activity: activity)
+                    }
                 }
                 if activity.isStateRestorationActivity {
                     doRestoreActivity(context: StateRestorationUserActivityHandlingContext(root: rootViewController!))
@@ -225,7 +229,8 @@ class MainSceneDelegate: UIResponder, UIWindowSceneDelegate, TuskerSceneDelegate
             window!.windowScene!.title = account.instanceURL.host!
         }
         
-        let newRoot = createAppUI()
+        window!.windowScene!.activationConditions.prefersToActivateForTargetContentIdentifierPredicate = NSPredicate(format: "self == %@", account.id)
+        
         if let container = window?.rootViewController as? AccountSwitchingContainerViewController {
             let direction: AccountSwitchingContainerViewController.AnimationDirection
             if animated,
@@ -235,9 +240,9 @@ class MainSceneDelegate: UIResponder, UIWindowSceneDelegate, TuskerSceneDelegate
             } else {
                 direction = .none
             }
-            container.setRoot(newRoot, for: account, animating: direction)
+            container.setRoot(createAppUI, for: account, animating: direction)
         } else {
-            window!.rootViewController = AccountSwitchingContainerViewController(root: newRoot, for: account)
+            window!.rootViewController = AccountSwitchingContainerViewController(root: createAppUI(), for: account)
         }
     }
     
@@ -248,6 +253,9 @@ class MainSceneDelegate: UIResponder, UIWindowSceneDelegate, TuskerSceneDelegate
         LogoutService(accountInfo: account).run()
         if UserAccountsManager.shared.onboardingComplete {
             activateAccount(UserAccountsManager.shared.accounts.first!, animated: false)
+            if let container = window?.rootViewController as? AccountSwitchingContainerViewController {
+                container.removeAccount(account)
+            }
         } else {
             window!.rootViewController = createOnboardingUI()
         }

Tusker/Screens/Conversation/ConversationViewController.swift

@@ -232,7 +232,7 @@ class ConversationViewController: UIViewController {
         let request = Client.search(query: effectiveURL, types: [.statuses], resolve: true)
         do {
             let (results, _) = try await mastodonController.run(request)
-            guard let status = results.statuses.first(where: { $0.url?.serialized() == effectiveURL }) else {
+            guard let status = results.statuses.compactMap(\.value).first(where: { $0.url?.serialized() == effectiveURL }) else {
                 throw UnableToResolveError()
             }
             _ = mastodonController.persistentContainer.addOrUpdateOnViewContext(status: status)

Tusker/Screens/Explore/ExploreViewController.swift

@@ -59,7 +59,7 @@ class ExploreViewController: UIViewController, UICollectionViewDelegate, Collect
         
         resultsController = SearchResultsViewController(mastodonController: mastodonController)
         resultsController.exploreNavigationController = self.navigationController!
-        searchController = MastodonSearchController(searchResultsController: resultsController)
+        searchController = MastodonSearchController(searchResultsController: resultsController, owner: self)
         definesPresentationContext = true
         
         navigationItem.searchController = searchController

Tusker/Screens/Explore/InlineTrendsViewController.swift

@@ -34,7 +34,7 @@ class InlineTrendsViewController: UIViewController {
 
         resultsController = SearchResultsViewController(mastodonController: mastodonController)
         resultsController.exploreNavigationController = self.navigationController
-        searchController = MastodonSearchController(searchResultsController: resultsController)
+        searchController = MastodonSearchController(searchResultsController: resultsController, owner: self)
         searchController.obscuresBackgroundDuringPresentation = true
         searchController.hidesNavigationBarDuringPresentation = false
         definesPresentationContext = true

Tusker/Screens/Explore/SuggestedProfilesViewController.swift

@@ -184,7 +184,19 @@ extension SuggestedProfilesViewController: UICollectionViewDelegate {
         return UIContextMenuConfiguration {
             ProfileViewController(accountID: id, mastodonController: self.mastodonController)
         } actionProvider: { _ in
-            UIMenu(children: self.actionsForProfile(accountID: id, source: .view(cell)))
+            let dismiss = UIAction(title: "Remove Suggestion", image: UIImage(systemName: "trash"), attributes: .destructive) { [unowned self] _ in
+                let service = RemoveProfileSuggestionService(accountID: id, mastodonController: self.mastodonController, presenter: self) { [weak self] in
+                    guard let self else { return }
+                    var snapshot = self.dataSource.snapshot()
+                    // the source here doesn't matter, since it's ignored by the equatable and hashable impls
+                    snapshot.deleteItems([.account(id, .global)])
+                    self.dataSource.apply(snapshot, animatingDifferences: true)
+                }
+                Task {
+                    await service.run()
+                }
+            }
+            return UIMenu(children: [UIMenu(options: .displayInline, children: [dismiss])] + self.actionsForProfile(accountID: id, source: .view(cell)))
         }
     }
     

Tusker/Screens/Explore/TrendingStatusesViewController.swift

@@ -123,7 +123,7 @@ class TrendingStatusesViewController: UIViewController, CollectionViewController
     private func loadTrendingStatuses() async {
         let statuses: [Status]
         do {
-            statuses = try await mastodonController.run(Client.getTrendingStatuses()).0
+            statuses = try await mastodonController.run(Client.getTrendingStatuses()).0.compactMap(\.value)
         } catch {
             let snapshot = NSDiffableDataSourceSnapshot<Section, Item>()
             await MainActor.run {

Tusker/Screens/Explore/TrendsViewController.swift

@@ -277,7 +277,7 @@ class TrendsViewController: UIViewController, CollectionViewController {
             let linksReq = Client.getTrendingLinks(limit: 10)
             async let links = try? mastodonController.run(linksReq).0
             let statusesReq = Client.getTrendingStatuses(limit: 10)
-            async let statuses = try? mastodonController.run(statusesReq).0
+            async let statuses = try? mastodonController.run(statusesReq).0.compactMap(\.value)
 
             if let links = await links {
                 if snapshot.sectionIdentifiers.contains(.profileSuggestions) {
@@ -332,7 +332,7 @@ class TrendsViewController: UIViewController, CollectionViewController {
         
         do {
             let request = Client.getTrendingStatuses(offset: origSnapshot.itemIdentifiers(inSection: .trendingStatuses).count)
-            let (statuses, _) = try await mastodonController.run(request)
+            let statuses = try await mastodonController.run(request).0.compactMap(\.value)
             
             await mastodonController.persistentContainer.addAll(statuses: statuses)
             
@@ -368,20 +368,14 @@ class TrendsViewController: UIViewController, CollectionViewController {
     
     @MainActor
     private func removeProfileSuggestion(accountID: String) async {
-        let req = Suggestion.remove(accountID: accountID)
+        let service = RemoveProfileSuggestionService(accountID: accountID, mastodonController: mastodonController, presenter: self) { [weak self] in
-        do {
+            guard let self else { return }
-            _ = try await mastodonController.run(req)
+            var snapshot = self.dataSource.snapshot()
-            var snapshot = dataSource.snapshot()
             // the source here doesn't matter, since it's ignored by the equatable and hashable impls
             snapshot.deleteItems([.account(accountID, .global)])
-            await apply(snapshot: snapshot)
+            self.dataSource.apply(snapshot, animatingDifferences: true)
-        } catch {
-            let config = ToastConfiguration(from: error, with: "Error Removing Suggestion", in: self) { [unowned self] toast in
-                toast.dismissToast(animated: true)
-                _ = await self.removeProfileSuggestion(accountID: accountID)
-            }
-            self.showToast(configuration: config, animated: true)
         }
+        await service.run()
     }
 }
 

Tusker/Screens/Local Predicate Statuses List/LocalPredicateStatusesViewController.swift

@@ -17,7 +17,7 @@ class LocalPredicateStatusesViewController: UIViewController, CollectionViewCont
     let mastodonController: MastodonController
     private let predicate: (StatusMO) -> Bool
     private let predicateTitle: String
-    private let request: (RequestRange) -> Request<[Status]>
+    private let request: (RequestRange) -> Request<[TryDecode<Status>]>
     
     var collectionView: UICollectionView! {
         view as? UICollectionView
@@ -28,7 +28,7 @@ class LocalPredicateStatusesViewController: UIViewController, CollectionViewCont
     private var newer: RequestRange?
     private var older: RequestRange?
     
-    init(predicate: @escaping (StatusMO) -> Bool, predicateTitle: String, request: @escaping (RequestRange) -> Request<[Status]>, mastodonController: MastodonController) {
+    init(predicate: @escaping (StatusMO) -> Bool, predicateTitle: String, request: @escaping (RequestRange) -> Request<[TryDecode<Status>]>, mastodonController: MastodonController) {
         self.mastodonController = mastodonController
         self.predicate = predicate
         self.predicateTitle = predicateTitle
@@ -140,7 +140,8 @@ class LocalPredicateStatusesViewController: UIViewController, CollectionViewCont
         
         do {
             let req = request(.count(Self.pageSize))
-            let (statuses, pagination) = try await mastodonController.run(req)
+            let (tryStatuses, pagination) = try await mastodonController.run(req)
+            let statuses = tryStatuses.compactMap(\.value)
             newer = pagination?.newer
             older = pagination?.older
             
@@ -180,7 +181,8 @@ class LocalPredicateStatusesViewController: UIViewController, CollectionViewCont
         
         do {
             let req = request(older.withCount(Self.pageSize))
-            let (statuses, pagination) = try await mastodonController.run(req)
+            let (tryStatuses, pagination) = try await mastodonController.run(req)
+            let statuses = tryStatuses.compactMap(\.value)
             self.older = pagination?.older
             
             await mastodonController.persistentContainer.addAll(statuses: statuses)
@@ -278,7 +280,8 @@ class LocalPredicateStatusesViewController: UIViewController, CollectionViewCont
         Task {
             do {
                 let req = request(newer.withCount(Self.pageSize))
-                let (statuses, pagination) = try await mastodonController.run(req)
+                let (tryStatuses, pagination) = try await mastodonController.run(req)
+                let statuses = tryStatuses.compactMap(\.value)
                 self.newer = pagination?.newer
                 
                 await mastodonController.persistentContainer.addAll(statuses: statuses)

Tusker/Screens/Main/AccountSwitchingContainerViewController.swift

@@ -23,7 +23,7 @@ class AccountSwitchingContainerViewController: UIViewController {
     private(set) var currentAccountID: String
     private(set) var root: AccountSwitchableViewController
     
-    private var userActivities: [String: NSUserActivity] = [:]
+    private var viewControllers: [String: (AccountSwitchableViewController?, NSUserActivity)] = [:]
     
     init(root: AccountSwitchableViewController, for account: UserAccountInfo) {
         self.currentAccountID = account.id
@@ -42,27 +42,49 @@ class AccountSwitchingContainerViewController: UIViewController {
         embedChild(root)
     }
     
-    func setRoot(_ newRoot: AccountSwitchableViewController, for account: UserAccountInfo, animating direction: AnimationDirection) {
+    override func didReceiveMemoryWarning() {
+        super.didReceiveMemoryWarning()
+        viewControllers = viewControllers.mapValues { (_, activity) in
+            (nil, activity)
+        }
+    }
+    
+    func removeAccount(_ account: UserAccountInfo) {
+        viewControllers.removeValue(forKey: account.id)
+    }
+    
+    func setRoot(_ newRootProvider: () -> AccountSwitchableViewController, for account: UserAccountInfo, animating direction: AnimationDirection) {
         let oldRoot = self.root
         if direction == .none {
             oldRoot.removeViewAndController()
         }
         if let activity = oldRoot.stateRestorationActivity() {
             stateRestorationLogger.debug("AccountSwitchingContainer: saving \(activity.activityType, privacy: .public) for \(self.currentAccountID, privacy: .public)")
-            userActivities[currentAccountID] = activity
+            viewControllers[currentAccountID] = (oldRoot, activity)
+        }
+        
+        let newRoot: AccountSwitchableViewController
+        if let (existingRoot, activity) = viewControllers.removeValue(forKey: account.id) {
+            if let existingRoot {
+                newRoot = existingRoot
+                stateRestorationLogger.debug("AccountSwitchingContainer: reusing existing VC for \(account.id, privacy: .public)")
+            } else {
+                newRoot = newRootProvider()
+                Task(priority: .userInitiated) {
+                    stateRestorationLogger.debug("AccountSwitchingContainer: restoring \(activity.activityType, privacy: .public) for \(account.id, privacy: .public)")
+                    let context = StateRestorationUserActivityHandlingContext(root: newRoot)
+                    _ = await activity.handleResume(manager: UserActivityManager(scene: view.window!.windowScene!, context: context))
+                    context.finalize(activity: activity)
+                }
+            }
+        } else {
+            newRoot = newRootProvider()
         }
         
         self.currentAccountID = account.id
         self.root = newRoot
         embedChild(newRoot)
         
-        if let activity = userActivities.removeValue(forKey: account.id) {
-            stateRestorationLogger.debug("AccountSwitchingContainer: restoring \(activity.activityType, privacy: .public) for \(account.id, privacy: .public)")
-            let context = StateRestorationUserActivityHandlingContext(root: newRoot)
-            _ = activity.handleResume(manager: UserActivityManager(scene: view.window!.windowScene!, context: context))
-            context.finalize(activity: activity)
-        }
-        
         if direction != .none {
             if UIAccessibility.prefersCrossFadeTransitions {
                 newRoot.view.alpha = 0
@@ -92,6 +114,7 @@ class AccountSwitchingContainerViewController: UIViewController {
                 #endif
 
                 // only one edge is affected in each direction, i have no idea why
+                let origAdditionalSafeAreaInsets = oldRoot.additionalSafeAreaInsets
                 if direction == .upwards {
                     oldRoot.additionalSafeAreaInsets.bottom = view.safeAreaInsets.bottom
                 } else {
@@ -102,6 +125,8 @@ class AccountSwitchingContainerViewController: UIViewController {
                     oldRoot.view.transform = CGAffineTransform(translationX: 0, y: -newInitialOffset).scaledBy(x: scale, y: scale)
                     newRoot.view.transform = .identity
                 } completion: { (_) in
+                    oldRoot.view.transform = .identity
+                    oldRoot.additionalSafeAreaInsets = origAdditionalSafeAreaInsets
                     oldRoot.removeViewAndController()
                     newRoot.view.layer.masksToBounds = false
                 }
@@ -127,9 +152,9 @@ extension AccountSwitchingContainerViewController: TuskerRootViewController {
         root.compose(editing: draft, animated: animated, isDucked: isDucked)
     }
     
-    func select(route: TuskerRoute, animated: Bool) {
+    func select(route: TuskerRoute, animated: Bool, completion: (() -> Void)?) {
         loadViewIfNeeded()
-        root.select(route: route, animated: animated)
+        root.select(route: route, animated: animated, completion: completion)
     }
     
     func getTabController(tab: MainTabBarViewController.Tab) -> UIViewController? {

Tusker/Screens/Main/Duckable+Root.swift

@@ -35,8 +35,8 @@ extension DuckableContainerViewController: AccountSwitchableViewController {
         (child as! TuskerRootViewController).getNavigationController()
     }
     
-    func select(route: TuskerRoute, animated: Bool) {
+    func select(route: TuskerRoute, animated: Bool, completion: (() -> Void)?) {
-        (child as? TuskerRootViewController)?.select(route: route, animated: animated)
+        (child as? TuskerRootViewController)?.select(route: route, animated: animated, completion: completion)
     }
     
     func getTabController(tab: MainTabBarViewController.Tab) -> UIViewController? {

Tusker/Screens/Main/MainSidebarViewController.swift

@@ -13,8 +13,8 @@ import Combine
 @MainActor
 protocol MainSidebarViewControllerDelegate: AnyObject {
     func sidebarRequestPresentCompose(_ sidebarViewController: MainSidebarViewController)
-    func sidebar(_ sidebarViewController: MainSidebarViewController, didSelectItem item: MainSidebarViewController.Item)
+    func sidebar(_ sidebarViewController: MainSidebarViewController, didSelectItem item: MainSidebarViewController.Item, previousItem: MainSidebarViewController.Item?)
-    func sidebar(_ sidebarViewController: MainSidebarViewController, showViewController viewController: UIViewController)
+    func sidebar(_ sidebarViewController: MainSidebarViewController, showViewController viewController: UIViewController, previousItem: MainSidebarViewController.Item?)
     func sidebar(_ sidebarViewController: MainSidebarViewController, scrollToTopFor item: MainSidebarViewController.Item)
 }
 
@@ -57,7 +57,7 @@ class MainSidebarViewController: UIViewController {
         return items
     }
     
-    private(set) var previouslySelectedItem: Item?
+    private var previouslySelectedItem: Item?
     var selectedItem: Item? {
         guard let indexPath = collectionView?.indexPathsForSelectedItems?.first else {
             return nil
@@ -261,19 +261,21 @@ class MainSidebarViewController: UIViewController {
     }
     
     private func returnToPreviousItem() {
-        let item = previouslySelectedItem ?? .tab(.timelines)
+        let oldItem = selectedItem
+        let newItem = previouslySelectedItem ?? .tab(.timelines)
         previouslySelectedItem = nil
-        select(item: item, animated: true)
+        select(item: newItem, animated: true)
-        sidebarDelegate?.sidebar(self, didSelectItem: item)
+        sidebarDelegate?.sidebar(self, didSelectItem: newItem, previousItem: oldItem)
     }
 
     private func showAddList() {
         let service = CreateListService(mastodonController: mastodonController, present: { self.present($0, animated: true
         ) }) { list in
+            let oldItem = self.selectedItem
             self.select(item: .list(list), animated: false)
             let list = ListTimelineViewController(for: list, mastodonController: self.mastodonController)
             list.presentEditOnAppear = true
-            self.sidebarDelegate?.sidebar(self, showViewController: list)
+            self.sidebarDelegate?.sidebar(self, showViewController: list, previousItem: oldItem)
         }
         service.run()
     }
@@ -471,7 +473,7 @@ extension MainSidebarViewController: UICollectionViewDelegate {
                 fatalError("unreachable")
             }
         } else {
-            sidebarDelegate?.sidebar(self, didSelectItem: item)
+            sidebarDelegate?.sidebar(self, didSelectItem: item, previousItem: previouslySelectedItem)
         }
     }
     
@@ -540,8 +542,9 @@ extension MainSidebarViewController: UICollectionViewDragDelegate {
 extension MainSidebarViewController: InstanceTimelineViewControllerDelegate {
     func didSaveInstance(url: URL) {
         dismiss(animated: true) {
+            let oldItem = self.selectedItem
             self.select(item: .savedInstance(url), animated: true)
-            self.sidebarDelegate?.sidebar(self, didSelectItem: .savedInstance(url))
+            self.sidebarDelegate?.sidebar(self, didSelectItem: .savedInstance(url), previousItem: oldItem)
         }
     }
     

Tusker/Screens/Main/MainSplitViewController.swift

@@ -86,7 +86,7 @@ class MainSplitViewController: UISplitViewController {
         // don't unnecesarily construct a content VC unless the we're in actually split mode
         // when we change from compact -> split for the first time, the VC will be transferred anyways
         if traitCollection.horizontalSizeClass != .compact {
-            select(item: .tab(.timelines))
+            doSelect(item: .tab(.timelines))
         }
         
         if UIDevice.current.userInterfaceIdiom != .mac {
@@ -149,7 +149,15 @@ class MainSplitViewController: UISplitViewController {
         self.setViewController(newNav, for: .secondary)
     }
     
-    func select(item: MainSidebarViewController.Item) {
+    private func select(newItem: MainSidebarViewController.Item, oldItem: MainSidebarViewController.Item?) {
+        if let oldItem,
+           newItem != oldItem {
+            navigationStacks[oldItem] = secondaryNavController.viewControllers
+        }
+        doSelect(item: newItem)
+    }
+    
+    private func doSelect(item: MainSidebarViewController.Item) {
         secondaryNavController.viewControllers = getOrCreateNavigationStack(item: item)
     }
     
@@ -180,28 +188,28 @@ class MainSplitViewController: UISplitViewController {
     }
     
     @objc func handleSidebarCommandTimelines() {
+        select(newItem: .tab(.timelines), oldItem: sidebar.selectedItem)
         sidebar.select(item: .tab(.timelines), animated: false)
-        select(item: .tab(.timelines))
     }
     
     @objc func handleSidebarCommandNotifications() {
+        select(newItem: .tab(.notifications), oldItem: sidebar.selectedItem)
         sidebar.select(item: .tab(.notifications), animated: false)
-        select(item: .tab(.notifications))
     }
     
     @objc func handleSidebarCommandExplore() {
+        select(newItem: .tab(.explore), oldItem: sidebar.selectedItem)
         sidebar.select(item: .tab(.explore), animated: false)
-        select(item: .tab(.explore))
     }
     
     @objc func handleSidebarCommandBookmarks() {
+        select(newItem: .bookmarks, oldItem: sidebar.selectedItem)
         sidebar.select(item: .bookmarks, animated: false)
-        select(item: .bookmarks)
     }
     
     @objc func handleSidebarCommandMyProfile() {
+        select(newItem: .tab(.myProfile), oldItem: sidebar.selectedItem)
         sidebar.select(item: .tab(.myProfile), animated: false)
-        select(item: .tab(.myProfile))
     }
     
     @objc private func sidebarTapped() {
@@ -444,12 +452,12 @@ extension MainSplitViewController: UISplitViewControllerDelegate {
             // These tabs map 1 <-> 1 with sidebar items
             let item = MainSidebarViewController.Item.tab(tabBarViewController.selectedTab)
             sidebar.select(item: item, animated: false)
-            select(item: item)
+            doSelect(item: item)
             
         case .explore:
             // If the explore tab is active, the sidebar item is determined above when transferring the explore VC's nav stack
             sidebar.select(item: exploreItem!, animated: false)
-            select(item: exploreItem!)
+            doSelect(item: exploreItem!)
             
         default:
             return
@@ -474,16 +482,13 @@ extension MainSplitViewController: MainSidebarViewControllerDelegate {
         compose(editing: nil)
     }
     
-    func sidebar(_ sidebarViewController: MainSidebarViewController, didSelectItem item: MainSidebarViewController.Item) {
+    func sidebar(_ sidebarViewController: MainSidebarViewController, didSelectItem item: MainSidebarViewController.Item, previousItem: MainSidebarViewController.Item?) {
-        if let previous = sidebar.previouslySelectedItem {
+        select(newItem: item, oldItem: previousItem)
-            navigationStacks[previous] = secondaryNavController.viewControllers
-        }
-        select(item: item)
     }
     
-    func sidebar(_ sidebarViewController: MainSidebarViewController, showViewController viewController: UIViewController) {
+    func sidebar(_ sidebarViewController: MainSidebarViewController, showViewController viewController: UIViewController, previousItem: MainSidebarViewController.Item?) {
-        if let previous = sidebar.previouslySelectedItem {
+        if let previousItem {
-            navigationStacks[previous] = secondaryNavController.viewControllers
+            navigationStacks[previousItem] = secondaryNavController.viewControllers
         }
         secondaryNavController.viewControllers = [viewController]
     }
@@ -537,14 +542,14 @@ extension MainSplitViewController: StateRestorableViewController {
 }
 
 extension MainSplitViewController: TuskerRootViewController {
-    func select(route: TuskerRoute, animated: Bool) {
+    func select(route: TuskerRoute, animated: Bool, completion: (() -> Void)?) {
         guard traitCollection.horizontalSizeClass != .compact else {
-            tabBarViewController?.select(route: route, animated: animated)
+            tabBarViewController?.select(route: route, animated: animated, completion: completion)
             return
         }
         guard presentedViewController == nil else {
             dismiss(animated: animated) {
-                self.select(route: route, animated: animated)
+                self.select(route: route, animated: animated, completion: completion)
             }
             return
         }
@@ -567,8 +572,10 @@ extension MainSplitViewController: TuskerRootViewController {
                 return
             }
         }
+        let oldItem = sidebar.selectedItem
         sidebar.select(item: item, animated: false)
-        select(item: item)
+        select(newItem: item, oldItem: oldItem)
+        completion?()
     }
     
     func getTabController(tab: MainTabBarViewController.Tab) -> UIViewController? {
@@ -610,7 +617,7 @@ extension MainSplitViewController: TuskerRootViewController {
         }
         
         if sidebar.selectedItem != .explore {
-            select(item: .explore)
+            select(newItem: .explore, oldItem: sidebar.selectedItem)
         }
         
         guard let searchViewController = secondaryNavController.viewControllers.first as? InlineTrendsViewController else {

Tusker/Screens/Main/MainTabBarViewController.swift

@@ -289,7 +289,7 @@ extension MainTabBarViewController: StateRestorableViewController {
 }
 
 extension MainTabBarViewController: TuskerRootViewController {
-    func select(route: TuskerRoute, animated: Bool) {
+    func select(route: TuskerRoute, animated: Bool, completion: (() -> Void)?) {
         switch route {
         case .timelines:
             select(tab: .timelines, dismissPresented: true)
@@ -310,6 +310,7 @@ extension MainTabBarViewController: TuskerRootViewController {
                 nav.pushViewController(ListTimelineViewController(for: list, mastodonController: mastodonController), animated: animated)
             }
         }
+        completion?()
     }
     
     func getNavigationDelegate() -> TuskerNavigationDelegate? {

Tusker/Screens/Main/TuskerRootViewController.swift

@@ -12,7 +12,7 @@ import ComposeUI
 @MainActor
 protocol TuskerRootViewController: UIViewController, StateRestorableViewController, StatusBarTappableViewController {
     func compose(editing draft: Draft?, animated: Bool, isDucked: Bool)
-    func select(route: TuskerRoute, animated: Bool)
+    func select(route: TuskerRoute, animated: Bool, completion: (() -> Void)?)
     func getTabController(tab: MainTabBarViewController.Tab) -> UIViewController?
     func getNavigationDelegate() -> TuskerNavigationDelegate?
     func getNavigationController() -> NavigationControllerProtocol
@@ -21,33 +21,6 @@ protocol TuskerRootViewController: UIViewController, StateRestorableViewControll
     func presentPreferences(completion: (() -> Void)?) -> PreferencesNavigationController?
 }
 
-//extension TuskerRootViewController {
-//    func select(route: NewRoute, animated: Bool) {
-//        doApply(components: route.components, animated: animated)
-//    }
-//
-//    private func doApply(components: ArraySlice<RouteComponent>, animated: Bool) {
-//        guard let first = components.first else {
-//            return
-//        }
-//        doApply(component: first, animated: animated) {
-//            self.doApply(components: components.dropFirst(), animated: animated)
-//        }
-//    }
-//
-//    private func doApply(component: RouteComponent, animated: Bool, completion: @escaping () -> Void) {
-//        switch component {
-//        case .topLevelItem(let rootRoute):
-//            select(route: rootRoute)
-//            completion()
-//        case .popToRoot:
-//            _ = getNavigationController().popToRootViewController(animated: animated)
-//            completion()
-//        case .push(<#T##(MastodonController) -> UIViewController#>)
-//        }
-//    }
-//}
-
 enum TuskerRoute {
     case timelines
     case notifications
@@ -57,33 +30,6 @@ enum TuskerRoute {
     case list(id: String)
 }
 
-//struct NewRoute: ExpressibleByArrayLiteral {
-//    let components: [RouteComponent]
-//
-//    init(arrayLiteral elements: RouteComponent...) {
-//        self.components = elements
-//    }
-//
-//    static var timelines: Self { [.topLevelItem(.timelines)] }
-//    static var explore: Self { [.topLevelItem(.explore)] }
-//    static var myProfile: Self { [.topLevelItem(.myProfile)] }
-//    static var bookmarks: Self { [.topLevelItem(.explore), .push({ BookmarksViewController(mastodonController: $0) })] }
-//    static func profile(accountID: String) -> Self { [.topLevelItem(.timelines), .push({ ProfileViewController(accountID: accountID, mastodonController: $0) })] }
-//}
-//
-//enum RouteComponent {
-//    case topLevelItem(RootRoute)
-//    case popToRoot
-//    case push((MastodonController) -> UIViewController)
-//    case present(UIViewController)
-//}
-//
-//enum RootRoute {
-//    case timelines
-//    case explore
-//    case myProfile
-//}
-//
 @MainActor
 protocol NavigationControllerProtocol: UIViewController {
     var viewControllers: [UIViewController] { get set }

Tusker/Screens/Mute/MuteAccountView.swift

@@ -78,18 +78,20 @@ struct MuteAccountView: View {
             }
             .accessibilityHidden(true)
             
-            Section {
+            if mastodonController.instanceFeatures.muteNotifications {
-                Toggle(isOn: $muteNotifications) {
+                Section {
-                    Text("Hide notifications from this person")
+                    Toggle(isOn: $muteNotifications) {
-                }
+                        Text("Hide notifications from this person")
-            } footer: {
+                    }
-                if muteNotifications {
+                } footer: {
-                    Text("This user's posts and notifications will be hidden.")
+                    if muteNotifications {
-                } else {
+                        Text("This user's posts and notifications will be hidden.")
-                    Text("This user's posts will be hidden from your timeline. You can still receive notifications from them.")
+                    } else {
+                        Text("This user's posts will be hidden from your timeline. You can still receive notifications from them.")
+                    }
                 }
+                .appGroupedListRowBackground()
             }
-            .appGroupedListRowBackground()
             
             Section {
                 Picker(selection: $duration) {

Tusker/Screens/Profile/ProfileStatusesViewController.swift

@@ -9,6 +9,12 @@
 import UIKit
 import Pachyderm
 import Combine
+import OSLog
+#if canImport(Sentry)
+import Sentry
+#endif
+
+private let logger = Logger(subsystem: Bundle.main.bundleIdentifier!, category: "ProfileStatusesViewController")
 
 class ProfileStatusesViewController: UIViewController, TimelineLikeCollectionViewController, CollectionViewController {
     
@@ -250,9 +256,16 @@ class ProfileStatusesViewController: UIViewController, TimelineLikeCollectionVie
         state = .setupInitialSnapshot
         
         Task {
-            if let (all, _) = try? await mastodonController.run(Client.getRelationships(accounts: [accountID])),
+            do {
-               let relationship = all.first {
+                let (all, _) = try await mastodonController.run(Client.getRelationships(accounts: [accountID]))
-                self.mastodonController.persistentContainer.addOrUpdate(relationship: relationship)
+                if let relationship = all.first {
+                    self.mastodonController.persistentContainer.addOrUpdate(relationship: relationship)
+                }
+            } catch {
+                logger.error("Error fetching relationship: \(String(describing: error))")
+                #if canImport(Sentry)
+                SentrySDK.capture(error: error)
+                #endif
             }
         }
         
@@ -297,7 +310,7 @@ class ProfileStatusesViewController: UIViewController, TimelineLikeCollectionVie
         }
         
         let request = Account.getStatuses(accountID, range: .default, onlyMedia: false, pinned: true, excludeReplies: false)
-        let (statuses, _) = try await mastodonController.run(request)
+        let statuses = try await mastodonController.run(request).0.compactMap(\.value)
         
         await withCheckedContinuation { continuation in
             mastodonController.persistentContainer.addAll(statuses: statuses) {
@@ -513,7 +526,7 @@ extension ProfileStatusesViewController {
 extension ProfileStatusesViewController: TimelineLikeControllerDataSource {
     typealias TimelineItem = String // status ID
     
-    private func request(for range: RequestRange = .default) -> Request<[Status]> {
+    private func request(for range: RequestRange = .default) -> Request<[TryDecode<Status>]> {
         switch kind {
         case .statuses:
             return Account.getStatuses(accountID, range: range, onlyMedia: false, pinned: false, excludeReplies: true)
@@ -526,7 +539,7 @@ extension ProfileStatusesViewController: TimelineLikeControllerDataSource {
     
     func loadInitial() async throws -> [String] {
         let request = request()
-        let (statuses, _) = try await mastodonController.run(request)
+        let statuses = try await mastodonController.run(request).0.compactMap(\.value)
         
         if !statuses.isEmpty {
             newer = .after(id: statuses.first!.id, count: nil)
@@ -546,7 +559,7 @@ extension ProfileStatusesViewController: TimelineLikeControllerDataSource {
         }
         
         let request = request(for: newer)
-        let (statuses, _) = try await mastodonController.run(request)
+        let statuses = try await mastodonController.run(request).0.compactMap(\.value)
         
         guard !statuses.isEmpty else {
             throw Error.allCaughtUp
@@ -567,7 +580,7 @@ extension ProfileStatusesViewController: TimelineLikeControllerDataSource {
         }
         
         let request = request(for: older)
-        let (statuses, _) = try await mastodonController.run(request)
+        let statuses = try await mastodonController.run(request).0.compactMap(\.value)
         
         guard !statuses.isEmpty else {
             return []

Tusker/Screens/Report/ReportAddStatusView.swift

@@ -53,7 +53,7 @@ struct ReportAddStatusView: View {
                     .task { @MainActor in
                         do {
                             let req = Account.getStatuses(report.accountID, range: .count(40), excludeReplies: false, excludeReblogs: true)
-                            let (statuses, _) = try await mastodonController.run(req)
+                            let statuses = try await mastodonController.run(req).0.compactMap(\.value)
                             await mastodonController.persistentContainer.addAll(statuses: statuses)
                             self.statuses = statuses.compactMap { mastodonController.persistentContainer.status(for: $0.id) }
                         } catch {

Tusker/Screens/Search/MastodonSearchController.swift

@@ -24,7 +24,11 @@ class MastodonSearchController: UISearchController {
         super.searchResultsController as! SearchResultsViewController
     }
     
-    init(searchResultsController: SearchResultsViewController) {
+    private weak var owner: UIViewController?
+    
+    init(searchResultsController: SearchResultsViewController, owner: UIViewController) {
+        self.owner = owner
+        
         super.init(searchResultsController: searchResultsController)
         
         searchResultsController.tokenHandler = { [unowned self] token, op in
@@ -152,6 +156,12 @@ extension MastodonSearchController: UISearchBarDelegate {
     }
 }
 
+extension MastodonSearchController: MultiColumnNavigationCustomTargetProviding {
+    var multiColumnNavigationTargetViewController: UIViewController? {
+        owner
+    }
+}
+
 extension UISearchBar {
     var searchQueryWithOperators: String {
         var parts = searchTextField.tokens.compactMap { $0.representedObject as? String }

Tusker/Screens/Search/SearchResultsViewController.swift

@@ -266,7 +266,7 @@ class SearchResultsViewController: UIViewController, CollectionViewController {
                 guard self.currentQuery == query else { return }
                 self.mastodonController.persistentContainer.performBatchUpdates { (context, addAccounts, addStatuses) in
                     addAccounts(results.accounts)
-                    addStatuses(results.statuses)
+                    addStatuses(results.statuses.compactMap(\.value))
                 } completion: {
                     DispatchQueue.main.async {
                         self.showSearchResults(results)
@@ -299,7 +299,7 @@ class SearchResultsViewController: UIViewController, CollectionViewController {
         }
         if !results.statuses.isEmpty && resultTypes.contains(.statuses) {
             snapshot.appendSections([.statuses])
-            snapshot.appendItems(results.statuses.map { .status($0.id, .unknown) }, toSection: .statuses)
+            snapshot.appendItems(results.statuses.compactMap(\.value).map { .status($0.id, .unknown) }, toSection: .statuses)
         }
         
         dataSource.apply(snapshot)

Tusker/Screens/Search/SearchTokenSuggestionCollectionViewCell.swift

@@ -30,6 +30,8 @@ class SearchTokenSuggestionCollectionViewCell: UICollectionViewCell {
             label.topAnchor.constraint(equalTo: contentView.topAnchor),
             label.bottomAnchor.constraint(equalTo: contentView.bottomAnchor)
         ])
+        
+        addInteraction(UIPointerInteraction(delegate: self))
     }
     
     required init?(coder: NSCoder) {
@@ -40,3 +42,10 @@ class SearchTokenSuggestionCollectionViewCell: UICollectionViewCell {
         label.text = text
     }
 }
+
+extension SearchTokenSuggestionCollectionViewCell: UIPointerInteractionDelegate {
+    func pointerInteraction(_ interaction: UIPointerInteraction, styleFor region: UIPointerRegion) -> UIPointerStyle? {
+        let preview = UITargetedPreview(view: self)
+        return UIPointerStyle(effect: .lift(preview))
+    }
+}

Tusker/Screens/Timeline/TimelineViewController.swift

@@ -565,7 +565,8 @@ class TimelineViewController: UIViewController, TimelineLikeCollectionViewContro
         do {
             let (marker, _) = try await mastodonController.run(TimelineMarkers.request(timeline: .home))
             async let status = try await mastodonController.run(Client.getStatus(id: marker.lastReadID)).0
-            async let olderStatuses = try await mastodonController.run(Client.getStatuses(timeline: .home, range: .before(id: marker.lastReadID, count: Self.pageSize))).0
+            // TODO: consider replacing undecodable statuses here with items to indicate that to the user
+            async let olderStatuses = try await mastodonController.run(Client.getStatuses(timeline: .home, range: .before(id: marker.lastReadID, count: Self.pageSize))).0.compactMap(\.value)
             
             let allStatuses = try await [status] + olderStatuses
             await mastodonController.persistentContainer.addAll(statuses: allStatuses)
@@ -1100,7 +1101,7 @@ extension TimelineViewController: TimelineLikeControllerDataSource {
     
     func loadInitial() async throws -> [TimelineItem] {
         let request = Client.getStatuses(timeline: timeline, range: .count(TimelineViewController.pageSize))
-        let (statuses, _) = try await mastodonController.run(request)
+        let statuses = try await mastodonController.run(request).0.compactMap(\.value)
         
         await withCheckedContinuation { continuation in
             mastodonController.persistentContainer.addAll(statuses: statuses) {
@@ -1119,7 +1120,7 @@ extension TimelineViewController: TimelineLikeControllerDataSource {
         let newer = RequestRange.after(id: id, count: TimelineViewController.pageSize)
         
         let request = Client.getStatuses(timeline: timeline, range: newer)
-        let (statuses, _) = try await mastodonController.run(request)
+        let statuses = try await mastodonController.run(request).0.compactMap(\.value)
         
         guard !statuses.isEmpty else {
             throw TimelineViewController.Error.allCaughtUp
@@ -1143,7 +1144,7 @@ extension TimelineViewController: TimelineLikeControllerDataSource {
         let older = RequestRange.before(id: id, count: TimelineViewController.pageSize)
         
         let request = Client.getStatuses(timeline: timeline, range: older)
-        let (statuses, _) = try await mastodonController.run(request)
+        let statuses = try await mastodonController.run(request).0.compactMap(\.value)
         
         guard !statuses.isEmpty else {
             return []
@@ -1181,7 +1182,7 @@ extension TimelineViewController: TimelineLikeControllerDataSource {
         }
         
         let request = Client.getStatuses(timeline: timeline, range: range)
-        let (statuses, _) = try await mastodonController.run(request)
+        let statuses = try await mastodonController.run(request).0.compactMap(\.value)
         
         guard !statuses.isEmpty else {
             return []

Tusker/Screens/Utilities/MultiColumnNavigationController.swift

@@ -8,17 +8,28 @@
 
 import UIKit
 
+/// View controllers, such as `UISearchController`, that live outside the normal VC hierarchy
+/// can adopt this protocol to indicate to `MultiColumnNavigationController` the context for
+/// navigation operations.
+protocol MultiColumnNavigationCustomTargetProviding {
+    var multiColumnNavigationTargetViewController: UIViewController? { get }
+}
+
 class MultiColumnNavigationController: UIViewController {
     
     private var isManuallyUpdating = false
-    var viewControllers: [UIViewController]  = [] {
+    private var _viewControllers: [UIViewController] = []
-        didSet {
+    var viewControllers: [UIViewController] {
-            guard isViewLoaded,
+        get {
-                  !isManuallyUpdating else {
+            _viewControllers
-                return
+        }
+        set {
+            _viewControllers = newValue
+            if isViewLoaded,
+               !isManuallyUpdating {
+                updateViews()
+                scrollToEnd(animated: false)
             }
-            updateViews()
-            scrollToEnd(animated: false)
         }
     }
     
@@ -68,13 +79,13 @@ class MultiColumnNavigationController: UIViewController {
     
     private func updateViews() {
         var i = 0
-        while i < viewControllers.count {
+        while i < _viewControllers.count {
             let needsCloseButton = i > 0
             if i <= stackView.arrangedSubviews.count - 1 {
                 let existing = stackView.arrangedSubviews[i] as! ColumnView
-                existing.setContent(viewControllers[i], needsCloseButton: needsCloseButton)
+                existing.setContent(_viewControllers[i], needsCloseButton: needsCloseButton)
             } else {
-                let new = ColumnView(owner: self, contentViewController: viewControllers[i], needsCloseButton: needsCloseButton)
+                let new = ColumnView(owner: self, contentViewController: _viewControllers[i], needsCloseButton: needsCloseButton)
                 stackView.addArrangedSubview(new)
             }
             i += 1
@@ -92,9 +103,11 @@ class MultiColumnNavigationController: UIViewController {
             var index: Int? = nil
             var current: UIViewController? = sender
             while let c = current {
-                index = viewControllers.firstIndex(of: c)
+                index = _viewControllers.firstIndex(of: c)
                 if index != nil {
                     break
+                } else if let targetProviding = c as? MultiColumnNavigationCustomTargetProviding {
+                    current = targetProviding.multiColumnNavigationTargetViewController
                 } else {
                     current = c.parent
                 }
@@ -112,19 +125,20 @@ class MultiColumnNavigationController: UIViewController {
     }
     
     func replaceViewControllers(_ vcs: [UIViewController], after afterIndex: Int, animated: Bool) {
-        if afterIndex == viewControllers.count - 1 && vcs.count == 1 {
+        if afterIndex == _viewControllers.count - 1 && vcs.count == 1 {
             pushViewController(vcs[0], animated: animated)
         } else {
-            viewControllers = Array(viewControllers[...afterIndex]) + vcs
+            _viewControllers = Array(_viewControllers[...afterIndex]) + vcs
+            updateViews()
             scrollToEnd(animated: animated)
         }
     }
     
     private func scrollToEnd(animated: Bool) {
-        if viewControllers.isEmpty {
+        if _viewControllers.isEmpty {
             scrollView.setContentOffset(.init(x: -scrollView.adjustedLeadingContentInset, y: -scrollView.adjustedContentInset.top), animated: false)
         } else {
-            scrollColumnToEnd(columnIndex: viewControllers.count - 1, animated: animated)
+            scrollColumnToEnd(columnIndex: _viewControllers.count - 1, animated: animated)
         }
     }
     
@@ -142,14 +156,12 @@ class MultiColumnNavigationController: UIViewController {
     }
     
     fileprivate func closeColumn(_ vc: UIViewController) {
-        let index = viewControllers.firstIndex(of: vc)!
+        guard let index = _viewControllers.firstIndex(of: vc),
-        guard index > 0 else {
+              index > 0 else {
             // Can't close the last column
             return
         }
-        isManuallyUpdating = true
+        _viewControllers.removeSubrange(index...)
-        defer { isManuallyUpdating = false }
-        viewControllers.removeSubrange(index...)
         animateChanges {
             for column in self.stackView.arrangedSubviews[index...] {
                 column.layer.opacity = 0
@@ -158,7 +170,6 @@ class MultiColumnNavigationController: UIViewController {
         } completion: {
             self.updateViews()
         }
-
     }
     
     private func animateChanges(_ animations: @escaping () -> Void, completion: (() -> Void)? = nil) {
@@ -173,19 +184,22 @@ class MultiColumnNavigationController: UIViewController {
 
 extension MultiColumnNavigationController: NavigationControllerProtocol {
     var topViewController: UIViewController? {
-        viewControllers.last
+        _viewControllers.last
     }
     
     func popToRootViewController(animated: Bool) -> [UIViewController]? {
-        let removed = Array(viewControllers.dropFirst())
+        guard !_viewControllers.isEmpty else {
-        viewControllers = [viewControllers.first!]
+            return nil
+        }
+        let removed = Array(_viewControllers.dropFirst())
+        _viewControllers = [_viewControllers.first!]
+        updateViews()
+        scrollToEnd(animated: animated)
         return removed
     }
     
     func pushViewController(_ vc: UIViewController, animated: Bool) {
-        isManuallyUpdating = true
+        _viewControllers.append(vc)
-        defer { isManuallyUpdating = false }
-        viewControllers.append(vc)
         updateViews()
         scrollToEnd(animated: animated)
         if animated {
@@ -273,12 +287,17 @@ private class ColumnView: UIView {
     }
     
     private func installCloseBarButton(navigationItem: UINavigationItem) {
-        let item = UIBarButtonItem(image: UIImage(systemName: "xmark"), style: .done, target: self, action: #selector(closeNavigationColumn))
+        func makeItem() -> UIBarButtonItem {
-        item.accessibilityLabel = "Close Column"
+            let item = UIBarButtonItem(image: UIImage(systemName: "xmark"), style: .done, target: self, action: #selector(closeNavigationColumn))
-        if navigationItem.leftBarButtonItems != nil {
+            item.accessibilityLabel = "Close Column"
-            navigationItem.leftBarButtonItems!.insert(item, at: 0)
+            return item
+        }
+        if let leftItems = navigationItem.leftBarButtonItems {
+            if !leftItems.contains(where: { $0.action == #selector(closeNavigationColumn) }) {
+                navigationItem.leftBarButtonItems!.insert(makeItem(), at: 0)
+            }
         } else {
-            navigationItem.leftBarButtonItems = [item]
+            navigationItem.leftBarButtonItems = [makeItem()]
         }
     }
     

Tusker/Screens/Utilities/Previewing.swift

@@ -557,11 +557,15 @@ extension MenuActionProvider {
             return createAction(identifier: "block", title: "Unblock \(displayName)", systemImageName: "circle.slash", handler: handler(false))
         } else {
             let image = UIImage(systemName: "circle.slash")
-            return UIMenu(title: "Block", image: image, children: [
+            var children = [
                 UIAction(title: "Cancel", handler: { _ in }),
                 UIAction(title: "Block \(displayName)", image: image, attributes: .destructive, handler: handler(true)),
-                UIAction(title: "Block \(host)", image: image, attributes: .destructive, handler: domainHandler(true))
+            ]
-            ])
+            if mastodonController.instanceFeatures.blockDomains,
+               host != mastodonController.account?.url.host {
+                children.append(UIAction(title: "Block \(host)", image: image, attributes: .destructive, handler: domainHandler(true)))
+            }
+            return UIMenu(title: "Block", image: image, children: children)
         }
     }
     
@@ -592,7 +596,8 @@ extension MenuActionProvider {
     @MainActor
     private func hideReblogsAction(for relationship: RelationshipMO, mastodonController: MastodonController) -> UIMenuElement? {
         // don't show action for people that the user isn't following and isn't already hiding reblogs for
-        guard relationship.following || relationship.showingReblogs else {
+        guard relationship.following || relationship.showingReblogs,
+              mastodonController.instanceFeatures.hideReblogs else {
             return nil
         }
         let title = relationship.showingReblogs ? "Hide Reblogs" : "Show Reblogs"

Tusker/Screens/Utilities/UIViewController+Children.swift

@@ -50,8 +50,11 @@ extension UIViewController {
     }
     
     func removeViewAndController() {
+        beginAppearanceTransition(false, animated: false)
         view.removeFromSuperview()
+        willMove(toParent: nil)
         removeFromParent()
+        endAppearanceTransition()
     }
 }
 
@@ -68,7 +71,7 @@ extension UIView {
         
         if layout {
             subview.frame = bounds
-            
+            subview.translatesAutoresizingMaskIntoConstraints = false
             NSLayoutConstraint.activate([
                 subview.leadingAnchor.constraint(equalTo: leadingAnchor),
                 subview.trailingAnchor.constraint(equalTo: trailingAnchor),

Tusker/Shortcuts/AppShortcutItems.swift

@@ -44,9 +44,9 @@ enum AppShortcutItem: String, CaseIterable {
         }
         switch self {
         case .showHomeTimeline:
-            root.select(route: .timelines, animated: false)
+            root.select(route: .timelines, animated: false, completion: nil)
         case .showNotifications:
-            root.select(route: .notifications, animated: false)
+            root.select(route: .notifications, animated: false, completion: nil)
         case .composePost:
             root.compose(editing: nil, animated: false, isDucked: false)
         }

Tusker/Shortcuts/NSUserActivity+Extensions.swift

@@ -39,12 +39,13 @@ extension NSUserActivity {
         self.userInfo = [
             "accountID": accountID
         ]
+        self.targetContentIdentifier = accountID
     }
     
     @MainActor
-    func handleResume(manager: UserActivityManager) -> Bool {
+    func handleResume(manager: UserActivityManager) async -> Bool {
         guard let type = UserActivityType(rawValue: activityType) else { return false }
-        type.handle(manager)(self)
+        await type.handle(manager)(self)
         return true
     }
     

Tusker/Shortcuts/UserActivityHandlingContext.swift

@@ -16,7 +16,8 @@ import ComposeUI
 protocol UserActivityHandlingContext {
     var isHandoff: Bool { get }
     
-    func select(route: TuskerRoute)
+    func select(route: TuskerRoute) async
+    func select(route: TuskerRoute, completion: (() -> Void)?)
     func present(_ vc: UIViewController)
     
     var topViewController: UIViewController? { get }
@@ -28,6 +29,16 @@ protocol UserActivityHandlingContext {
     func finalize(activity: NSUserActivity)
 }
 
+extension UserActivityHandlingContext {
+    func select(route: TuskerRoute) async {
+        await withCheckedContinuation { continuation in
+            select(route: route) {
+                continuation.resume()
+            }
+        }
+    }
+}
+
 struct ActiveAccountUserActivityHandlingContext: UserActivityHandlingContext {
     let isHandoff: Bool
     let root: TuskerRootViewController
@@ -35,8 +46,8 @@ struct ActiveAccountUserActivityHandlingContext: UserActivityHandlingContext {
         root.getNavigationDelegate()!
     }
     
-    func select(route: TuskerRoute) {
+    func select(route: TuskerRoute, completion: (() -> Void)?) {
-        root.select(route: route, animated: true)
+        root.select(route: route, animated: true, completion: completion)
     }
     
     func present(_ vc: UIViewController) {
@@ -71,9 +82,11 @@ class StateRestorationUserActivityHandlingContext: UserActivityHandlingContext {
     
     var isHandoff: Bool { false }
     
-    func select(route: TuskerRoute) {
+    func select(route: TuskerRoute, completion: (() -> Void)?) {
-        root.select(route: route, animated: false)
+        root.select(route: route, animated: false) {
-        state = .selectedRoute
+            self.state = .selectedRoute
+            completion?()
+        }
     }
     
     var topViewController: UIViewController? { root.getNavigationController().topViewController }

Tusker/Shortcuts/UserActivityManager.swift

@@ -133,8 +133,8 @@ class UserActivityManager {
         return activity
     }
     
-    func handleCheckNotifications(activity: NSUserActivity) {
+    func handleCheckNotifications(activity: NSUserActivity) async {
-        context.select(route: .notifications)
+        await context.select(route: .notifications)
         context.popToRoot()
         if let notificationsPageController = context.topViewController as? NotificationsPageViewController {
             notificationsPageController.loadViewIfNeeded()
@@ -204,22 +204,22 @@ class UserActivityManager {
         return (timeline, positionInfo)
     }
     
-    func handleShowTimeline(activity: NSUserActivity) {
+    func handleShowTimeline(activity: NSUserActivity) async {
         guard let (timeline, positionInfo) = Self.getTimeline(from: activity) else { return }
         
         var timelineVC: TimelineViewController?
         if let pinned = PinnedTimeline(timeline: timeline),
            mastodonController.accountPreferences.pinnedTimelines.contains(pinned) {
-            context.select(route: .timelines)
+            await context.select(route: .timelines)
             context.popToRoot()
             let pageController = context.topViewController as! TimelinesPageViewController
             pageController.selectTimeline(pinned, animated: false)
             timelineVC = pageController.currentViewController as? TimelineViewController
         } else if case .list(let id) = timeline {
-            context.select(route: .list(id: id))
+            await context.select(route: .list(id: id))
             timelineVC = context.topViewController as? TimelineViewController
         } else {
-            context.select(route: .explore)
+            await context.select(route: .explore)
             context.popToRoot()
             timelineVC = TimelineViewController(for: timeline, mastodonController: mastodonController)
             context.push(timelineVC!)
@@ -249,11 +249,11 @@ class UserActivityManager {
         return activity.userInfo?["mainStatusID"] as? String
     }
     
-    func handleShowConversation(activity: NSUserActivity) {
+    func handleShowConversation(activity: NSUserActivity) async {
         guard let mainStatusID = Self.getConversationStatus(from: activity) else {
             return
         }
-        context.select(route: .timelines)
+        await context.select(route: .timelines)
         context.push(ConversationViewController(for: mainStatusID, state: .unknown, mastodonController: mastodonController))
     }
     
@@ -274,8 +274,8 @@ class UserActivityManager {
         return activity.userInfo?["query"] as? String
     }
     
-    func handleSearch(activity: NSUserActivity) {
+    func handleSearch(activity: NSUserActivity) async {
-        context.select(route: .explore)
+        await context.select(route: .explore)
         context.popToRoot()
         
         let searchController: UISearchController
@@ -311,8 +311,8 @@ class UserActivityManager {
         return activity
     }
     
-    func handleBookmarks(activity: NSUserActivity) {
+    func handleBookmarks(activity: NSUserActivity) async {
-        context.select(route: .bookmarks)
+        await context.select(route: .bookmarks)
     }
     
     // MARK: - My Profile
@@ -325,8 +325,8 @@ class UserActivityManager {
         return activity
     }
     
-    func handleMyProfile(activity: NSUserActivity) {
+    func handleMyProfile(activity: NSUserActivity) async {
-        context.select(route: .myProfile)
+        await context.select(route: .myProfile)
     }
     
     // MARK: - Show Profile
@@ -344,11 +344,11 @@ class UserActivityManager {
         return activity.userInfo?["profileID"] as? String
     }
     
-    func handleShowProfile(activity: NSUserActivity) {
+    func handleShowProfile(activity: NSUserActivity) async {
         guard let accountID = Self.getProfile(from: activity) else {
             return
         }
-        context.select(route: .timelines)
+        await context.select(route: .timelines)
         context.push(ProfileViewController(accountID: accountID, mastodonController: mastodonController))
     }
     
@@ -361,11 +361,11 @@ class UserActivityManager {
         return activity
     }
     
-    func handleShowNotification(activity: NSUserActivity) {
+    func handleShowNotification(activity: NSUserActivity) async {
         guard let notificationID = activity.userInfo?["notificationID"] as? String else {
             return
         }
-        context.select(route: .notifications)
+        await context.select(route: .notifications)
         context.push(NotificationLoadingViewController(notificationID: notificationID, mastodonController: mastodonController))
     }
     

Tusker/Shortcuts/UserActivityType.swift

@@ -23,7 +23,7 @@ enum UserActivityType: String {
 
 extension UserActivityType {
     @MainActor
-    var handle: (UserActivityManager) -> @MainActor (NSUserActivity) -> Void {
+    var handle: (UserActivityManager) -> @MainActor (NSUserActivity) async -> Void {
         switch self {
         case .mainScene:
             fatalError("cannot handle main scene activity")

Tusker/Views/CachedImageView.swift

@@ -33,6 +33,11 @@ class CachedImageView: UIImageView {
         commonInit()
     }
     
+    deinit {
+        fetchTask?.cancel()
+        blurHashTask?.cancel()
+    }
+    
     private func commonInit() {
         NotificationCenter.default.addObserver(self, selector: #selector(preferencesChanged), name: .preferencesChanged, object: nil)
     }

Tusker/Views/ContentTextView.swift

@@ -36,6 +36,8 @@ class ContentTextView: LinkTextView, BaseEmojiLabel {
     var emojiFont: UIFont = .preferredFont(forTextStyle: .body)
     var emojiTextColor: UIColor = .label
     
+    private let tapRecognizer = UITapGestureRecognizer()
+    
     // The link range currently being previewed
     private var currentPreviewedLinkRange: NSRange?
     // The preview created in the previewForHighlighting method, so that we can use the same one in previewForDismissing.
@@ -78,8 +80,9 @@ class ContentTextView: LinkTextView, BaseEmojiLabel {
         updateLinkUnderlineStyle()
         
         // the text view's builtin link interaction code is tied to isSelectable, so we need to use our own tap recognizer
-        let recognizer = UITapGestureRecognizer(target: self, action: #selector(textTapped(_:)))
+        tapRecognizer.addTarget(self, action: #selector(textTapped(_:)))
-        addGestureRecognizer(recognizer)
+        tapRecognizer.delegate = self
+        addGestureRecognizer(tapRecognizer)
         
         NotificationCenter.default.addObserver(self, selector: #selector(_updateLinkUnderlineStyle), name: UIAccessibility.buttonShapesEnabledStatusDidChangeNotification, object: nil)
         underlineTextLinksCancellable =
@@ -132,12 +135,6 @@ class ContentTextView: LinkTextView, BaseEmojiLabel {
     }
     
     @objc func textTapped(_ recognizer: UITapGestureRecognizer) {
-        // if there currently is a selection, deselct it on single-tap
-        if selectedRange.length > 0 {
-            // location doesn't matter since we are non-editable and the cursor isn't visible
-            selectedRange = NSRange(location: 0, length: 0)
-        }
-        
         let location = recognizer.location(in: self)
         if let (link, range) = getLinkAtPoint(location),
            link.scheme != dataDetectorsScheme {
@@ -384,3 +381,25 @@ extension ContentTextView: UIContextMenuInteractionDelegate {
         }
     }
 }
+
+extension ContentTextView: UIGestureRecognizerDelegate {
+    override func gestureRecognizerShouldBegin(_ gestureRecognizer: UIGestureRecognizer) -> Bool {
+        // NB: This method is both a gesture recognizer delegate method and a UIView method.
+        // We only want to prevent our own tap gesture recognizer from beginning, but don't
+        // want to interfere with any other gestures that may begin over this view.
+        if gestureRecognizer === tapRecognizer {
+            let location = gestureRecognizer.location(in: self)
+            if let (link, _) = getLinkAtPoint(location) {
+                if link.scheme == dataDetectorsScheme {
+                    return false
+                } else {
+                    return true
+                }
+            } else {
+                return false
+            }
+        } else {
+            return true
+        }
+    }
+}

Tusker/Views/Profile Header/ProfileFieldValueView.swift

@@ -12,7 +12,11 @@ import SwiftUI
 import SafariServices
 
 class ProfileFieldValueView: UIView {
-    weak var navigationDelegate: TuskerNavigationDelegate?
+    weak var navigationDelegate: TuskerNavigationDelegate? {
+        didSet {
+            textView.navigationDelegate = navigationDelegate
+        }
+    }
     
     private static let converter = HTMLConverter(
         font: .preferredFont(forTextStyle: .body),
@@ -23,9 +27,8 @@ class ProfileFieldValueView: UIView {
     
     private let account: AccountMO
     private let field: Account.Field
-    private var link: (String, URL)?
     
-    private let label = EmojiLabel()
+    private let textView = ContentTextView()
     private var iconView: UIView?
     
     private var currentTargetedPreview: UITargetedPreview?
@@ -38,34 +41,28 @@ class ProfileFieldValueView: UIView {
         
         let converted = NSMutableAttributedString(attributedString: ProfileFieldValueView.converter.convert(field.value))
         
-        var range = NSRange(location: 0, length: 0)
+        #if os(visionOS)
-        if converted.length != 0,
+        textView.linkTextAttributes = [
-           let url = converted.attribute(.link, at: 0, longestEffectiveRange: &range, in: converted.fullRange) as? URL {
+            .foregroundColor: UIColor.link
-            link = (converted.attributedSubstring(from: range).string, url)
+        ]
-            label.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(linkTapped)))
+        #else
-            label.addInteraction(UIContextMenuInteraction(delegate: self))
+        textView.linkTextAttributes = [
-            label.isUserInteractionEnabled = true
+            .foregroundColor: UIColor.tintColor
-            
+        ]
-            converted.enumerateAttribute(.link, in: converted.fullRange) { value, range, stop in
+        #endif
-                guard value != nil else { return }
+        textView.backgroundColor = nil
-                #if os(visionOS)
+        textView.isScrollEnabled = false
-                converted.addAttribute(.foregroundColor, value: UIColor.link, range: range)
+        textView.isSelectable = false
-                #else
+        textView.isEditable = false
-                converted.addAttribute(.foregroundColor, value: UIColor.tintColor, range: range)
+        textView.textContainerInset = .zero
-                #endif
+        textView.font = .preferredFont(forTextStyle: .body)
-                // the .link attribute in a UILabel always makes the color blue >.>
+        textView.adjustsFontForContentSizeCategory = true
-                converted.removeAttribute(.link, range: range)
+        textView.attributedText = converted
-            }
+        textView.setEmojis(account.emojis, identifier: account.id)
-        }
+        textView.isUserInteractionEnabled = true
-        
+        textView.setContentCompressionResistancePriority(.required, for: .vertical)
-        label.numberOfLines = 0
+        textView.translatesAutoresizingMaskIntoConstraints = false
-        label.font = .preferredFont(forTextStyle: .body)
+        addSubview(textView)
-        label.adjustsFontForContentSizeCategory = true
-        label.attributedText = converted
-        label.setEmojis(account.emojis, identifier: account.id)
-        label.setContentCompressionResistancePriority(.required, for: .vertical)
-        label.translatesAutoresizingMaskIntoConstraints = false
-        addSubview(label)
         
         let labelTrailingConstraint: NSLayoutConstraint
         
@@ -82,20 +79,20 @@ class ProfileFieldValueView: UIView {
             icon.isPointerInteractionEnabled = true
             icon.accessibilityLabel = "Verified link"
             addSubview(icon)
-            labelTrailingConstraint = label.trailingAnchor.constraint(equalTo: icon.leadingAnchor)
+            labelTrailingConstraint = textView.trailingAnchor.constraint(equalTo: icon.leadingAnchor)
             NSLayoutConstraint.activate([
-                icon.centerYAnchor.constraint(equalTo: label.centerYAnchor),
+                icon.centerYAnchor.constraint(equalTo: textView.centerYAnchor),
                 icon.trailingAnchor.constraint(lessThanOrEqualTo: trailingAnchor),
             ])
         } else {
-            labelTrailingConstraint = label.trailingAnchor.constraint(equalTo: trailingAnchor)
+            labelTrailingConstraint = textView.trailingAnchor.constraint(equalTo: trailingAnchor)
         }
         
         NSLayoutConstraint.activate([
-            label.leadingAnchor.constraint(equalTo: leadingAnchor),
+            textView.leadingAnchor.constraint(equalTo: leadingAnchor),
             labelTrailingConstraint,
-            label.topAnchor.constraint(equalTo: topAnchor),
+            textView.topAnchor.constraint(equalTo: topAnchor),
-            label.bottomAnchor.constraint(equalTo: bottomAnchor),
+            textView.bottomAnchor.constraint(equalTo: bottomAnchor),
         ])
     }
     
@@ -104,7 +101,7 @@ class ProfileFieldValueView: UIView {
     }
     
     override func sizeThatFits(_ size: CGSize) -> CGSize {
-        var size = label.sizeThatFits(size)
+        var size = textView.sizeThatFits(size)
         if let iconView {
             size.width += iconView.sizeThatFits(UIView.layoutFittingCompressedSize).width
         }
@@ -112,29 +109,7 @@ class ProfileFieldValueView: UIView {
     }
     
     func setTextAlignment(_ alignment: NSTextAlignment) {
-        label.textAlignment = alignment
+        textView.textAlignment = alignment
-    }
-    
-    func getHashtagOrURL() -> (Hashtag?, URL)? {
-        guard let (text, url) = link else {
-            return nil
-        }
-        if text.starts(with: "#") {
-            return (Hashtag(name: String(text.dropFirst()), url: url), url)
-        } else {
-            return (nil, url)
-        }
-    }
-    
-    @objc private func linkTapped() {
-        guard let (hashtag, url) = getHashtagOrURL() else {
-            return
-        }
-        if let hashtag {
-            navigationDelegate?.selected(tag: hashtag)
-        } else {
-            navigationDelegate?.selected(url: url)
-        }
     }
     
     @objc private func verifiedIconTapped() {
@@ -144,7 +119,7 @@ class ProfileFieldValueView: UIView {
         let view = ProfileFieldVerificationView(
             acct: account.acct,
             verifiedAt: field.verifiedAt!,
-            linkText: label.text ?? "",
+            linkText: textView.text ?? "",
             navigationDelegate: navigationDelegate
         )
         let host = UIHostingController(rootView: view)
@@ -168,49 +143,3 @@ class ProfileFieldValueView: UIView {
         navigationDelegate.present(toPresent, animated: true)
     }
 }
-
-extension ProfileFieldValueView: UIContextMenuInteractionDelegate, MenuActionProvider {
-    func contextMenuInteraction(_ interaction: UIContextMenuInteraction, configurationForMenuAtLocation location: CGPoint) -> UIContextMenuConfiguration? {
-        guard let (hashtag, url) = getHashtagOrURL(),
-              let navigationDelegate else {
-            return nil
-        }
-        if let hashtag {
-            return UIContextMenuConfiguration {
-                HashtagTimelineViewController(for: hashtag, mastodonController: navigationDelegate.apiController)
-            } actionProvider: { _ in
-                UIMenu(children: self.actionsForHashtag(hashtag, source: .view(self)))
-            }
-        } else {
-            return UIContextMenuConfiguration {
-                let vc = SFSafariViewController(url: url)
-                #if !os(visionOS)
-                vc.preferredControlTintColor = Preferences.shared.accentColor.color
-                #endif
-                return vc
-            } actionProvider: { _ in
-                UIMenu(children: self.actionsForURL(url, source: .view(self)))
-            }
-        }
-    }
-    
-    
-    func contextMenuInteraction(_ interaction: UIContextMenuInteraction, configuration: UIContextMenuConfiguration, highlightPreviewForItemWithIdentifier identifier: NSCopying) -> UITargetedPreview? {
-        var rect = label.textRect(forBounds: label.bounds, limitedToNumberOfLines: 0)
-        // the rect should be vertically centered, but textRect doesn't seem to take the label's vertical alignment into account
-        rect.origin.x = 0
-        rect.origin.y = (bounds.height - rect.height) / 2
-        let parameters = UIPreviewParameters(textLineRects: [rect as NSValue])
-        let preview = UITargetedPreview(view: label, parameters: parameters)
-        currentTargetedPreview = preview
-        return preview
-    }
-    
-    func contextMenuInteraction(_ interaction: UIContextMenuInteraction, configuration: UIContextMenuConfiguration, dismissalPreviewForItemWithIdentifier identifier: NSCopying) -> UITargetedPreview? {
-        return currentTargetedPreview
-    }
-    
-    func contextMenuInteraction(_ interaction: UIContextMenuInteraction, willPerformPreviewActionForMenuWith configuration: UIContextMenuConfiguration, animator: UIContextMenuInteractionCommitAnimating) {
-        MenuPreviewHelper.willPerformPreviewAction(animator: animator, presenter: navigationDelegate!)
-    }
-}

Tusker/Views/Profile Header/ProfileHeaderView.swift

@@ -25,9 +25,9 @@ class ProfileHeaderView: UIView {
     weak var delegate: ProfileHeaderViewDelegate?
     var mastodonController: MastodonController! { delegate?.apiController }
 
-    @IBOutlet weak var headerImageView: UIImageView!
+    @IBOutlet weak var headerImageView: CachedImageView!
     @IBOutlet weak var avatarContainerView: UIView!
-    @IBOutlet weak var avatarImageView: UIImageView!
+    @IBOutlet weak var avatarImageView: CachedImageView!
     @IBOutlet weak var moreButton: ProfileHeaderButton!
     @IBOutlet weak var followButton: ProfileHeaderButton!
     @IBOutlet weak var displayNameLabel: AccountDisplayNameLabel!
@@ -44,8 +44,6 @@ class ProfileHeaderView: UIView {
     
     var accountID: String!
     
-    private var imagesTask: Task<Void, Never>?
-    
     private var isGrayscale = false
     private var followButtonMode = FollowButtonMode.follow {
         didSet {
@@ -56,10 +54,6 @@ class ProfileHeaderView: UIView {
         }
     }
     
-    deinit {
-        imagesTask?.cancel()
-    }
-    
     override func awakeFromNib() {
         super.awakeFromNib()
         
@@ -69,11 +63,13 @@ class ProfileHeaderView: UIView {
         avatarContainerView.layer.cornerCurve = .continuous
         // Set zPositions so the gallery presentation/dismissal animation looks correct.
         avatarContainerView.layer.zPosition = 2
+        avatarImageView.cache = .avatars
         avatarImageView.layer.masksToBounds = true
         avatarImageView.layer.cornerCurve = .continuous
         avatarImageView.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(avatarPressed)))
         avatarImageView.isUserInteractionEnabled = true
         
+        headerImageView.cache = .headers
         headerImageView.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(headerPressed)))
         headerImageView.isUserInteractionEnabled = true
         headerImageView.layer.zPosition = 1
@@ -138,11 +134,11 @@ class ProfileHeaderView: UIView {
         usernameLabel.text = "@\(account.acct)"
         lockImageView.isHidden = !account.locked
         
-        imagesTask?.cancel()
+        if let avatar = account.avatar {
-        let avatar = account.avatar
+            avatarImageView.update(for: avatar)
-        let header = account.header
+        }
-        imagesTask = Task {
+        if let header = account.header {
-            await updateImages(avatar: avatar, header: header)
+            headerImageView.update(for: header)
         }
         
         moreButton.menu = UIMenu(title: "", image: nil, identifier: nil, options: [], children: delegate?.actionsForProfile(accountID: accountID, source: .view(moreButton), fetchRelationship: false) ?? [])
@@ -294,44 +290,6 @@ class ProfileHeaderView: UIView {
         avatarContainerView.layer.cornerRadius = Preferences.shared.avatarStyle.cornerRadius(for: avatarContainerView)
         avatarImageView.layer.cornerRadius = Preferences.shared.avatarStyle.cornerRadius(for: avatarImageView)
         displayNameLabel.updateForAccountDisplayName(account: account)
-        
-        if isGrayscale != Preferences.shared.grayscaleImages {
-            isGrayscale = Preferences.shared.grayscaleImages
-            imagesTask?.cancel()
-            let avatar = account.avatar
-            let header = account.header
-            imagesTask = Task {
-                await updateImages(avatar: avatar, header: header)
-            }
-        }
-    }
-    
-    private nonisolated func updateImages(avatar: URL?, header: URL?) async {
-        await withTaskGroup(of: Void.self) { group in
-            group.addTask {
-                guard let avatar,
-                      let image = await ImageCache.avatars.get(avatar, loadOriginal: true).1,
-                      let transformedImage = await ImageGrayscalifier.convertIfNecessary(url: avatar, image: image),
-                      !Task.isCancelled else {
-                    return
-                }
-                await MainActor.run {
-                    self.avatarImageView.image = transformedImage
-                }
-            }
-            group.addTask {
-                guard let header,
-                      let image = await ImageCache.avatars.get(header, loadOriginal: true).1,
-                      let transformedImage = await ImageGrayscalifier.convertIfNecessary(url: header, image: image),
-                      !Task.isCancelled else {
-                    return
-                }
-                await MainActor.run {
-                    self.headerImageView.image = transformedImage
-                }
-            }
-            await group.waitForAll()
-        }
     }
     
     private func formatBigNumber(_ value: Int) -> (String, String) {

Tusker/Views/Profile Header/ProfileHeaderView.xib

@@ -3,7 +3,7 @@
     <device id="retina6_1" orientation="portrait" appearance="light"/>
     <dependencies>
         <deployment identifier="iOS"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="22684"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="22685"/>
         <capability name="Safe area layout guides" minToolsVersion="9.0"/>
         <capability name="System colors in document resources" minToolsVersion="11.0"/>
         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
@@ -14,7 +14,7 @@
         <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="iN0-l3-epB" customClass="ProfileHeaderView" customModule="Tusker" customModuleProvider="target">
             <rect key="frame" x="0.0" y="0.0" width="414" height="896"/>
             <subviews>
-                <imageView clipsSubviews="YES" userInteractionEnabled="NO" contentMode="scaleAspectFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" translatesAutoresizingMaskIntoConstraints="NO" id="dgG-dR-lSv">
+                <imageView clipsSubviews="YES" userInteractionEnabled="NO" contentMode="scaleAspectFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" translatesAutoresizingMaskIntoConstraints="NO" id="dgG-dR-lSv" customClass="CachedImageView" customModule="Tusker" customModuleProvider="target">
                     <rect key="frame" x="0.0" y="48" width="414" height="150"/>
                     <constraints>
                         <constraint firstAttribute="height" constant="150" id="aCE-CA-XWm"/>
@@ -23,7 +23,7 @@
                 <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="wT9-2J-uSY">
                     <rect key="frame" x="16" y="138" width="120" height="120"/>
                     <subviews>
-                        <imageView clipsSubviews="YES" userInteractionEnabled="NO" contentMode="scaleAspectFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" translatesAutoresizingMaskIntoConstraints="NO" id="TkY-oK-if4">
+                        <imageView clipsSubviews="YES" userInteractionEnabled="NO" contentMode="scaleAspectFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" translatesAutoresizingMaskIntoConstraints="NO" id="TkY-oK-if4" customClass="CachedImageView" customModule="Tusker" customModuleProvider="target">
                             <rect key="frame" x="2" y="2" width="116" height="116"/>
                             <constraints>
                                 <constraint firstAttribute="height" constant="116" id="eDg-Vc-o8R"/>
@@ -93,7 +93,7 @@
                         <stackView opaque="NO" contentMode="scaleToFill" distribution="fillProportionally" spacing="8" translatesAutoresizingMaskIntoConstraints="NO" id="udp-EN-wtc">
                             <rect key="frame" x="0.0" y="575.5" width="218.5" height="20.5"/>
                             <subviews>
-                                <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="system" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="5w9-LA-8kc">
+                                <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="system" lineBreakMode="middleTruncation" pointerInteraction="YES" translatesAutoresizingMaskIntoConstraints="NO" id="5w9-LA-8kc">
                                     <rect key="frame" x="0.0" y="0.0" width="104" height="20.5"/>
                                     <state key="normal" title="Button"/>
                                     <buttonConfiguration key="configuration" style="plain" title="123 Following">
@@ -104,7 +104,7 @@
                                         <action selector="followingCountButtonPressed:" destination="iN0-l3-epB" eventType="touchUpInside" id="QOO-zK-pfu"/>
                                     </connections>
                                 </button>
-                                <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="system" lineBreakMode="middleTruncation" id="XCX-Y3-cG5">
+                                <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="system" lineBreakMode="middleTruncation" pointerInteraction="YES" id="XCX-Y3-cG5">
                                     <rect key="frame" x="112" y="0.0" width="106.5" height="20.5"/>
                                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                                     <state key="normal" title="Button"/>

Tusker/Views/Status/ConversationMainStatusCollectionViewCell.swift

@@ -640,7 +640,7 @@ extension ConversationMainStatusCollectionViewCell: UIPointerInteractionDelegate
             return defaultRegion
         } else if let button = interaction.view as? UIButton,
                   actionButtons.contains(button) {
-            var rect = button.convert(button.imageView!.bounds, to: button.imageView!)
+            var rect = button.convert(button.imageView!.bounds, from: button.imageView!)
             rect = rect.insetBy(dx: -24, dy: -24)
             return UIPointerRegion(rect: rect)
         }
@@ -654,8 +654,8 @@ extension ConversationMainStatusCollectionViewCell: UIPointerInteractionDelegate
         } else if let button = interaction.view as? UIButton,
                   actionButtons.contains(button) {
             let preview = UITargetedPreview(view: button.imageView!)
-            var rect = button.convert(button.imageView!.bounds, to: button.imageView!)
+            var rect = button.convert(button.imageView!.bounds, from: button.imageView!)
-            rect = rect.insetBy(dx: -24, dy: -24)
+            rect = rect.insetBy(dx: -8, dy: -8)
             return UIPointerStyle(effect: .highlight(preview), shape: .roundedRect(rect))
         }
         return nil

Tusker/Views/Status/StatusCollectionViewCell.swift

@@ -256,6 +256,7 @@ extension StatusCollectionViewCell {
                 view.backgroundColor = .tintColor.withAlphaComponent(0.5)
                 view.layer.cornerRadius = 2.5
                 view.layer.maskedCorners = [.layerMinXMaxYCorner, .layerMaxXMaxYCorner]
+                view.layer.zPosition = -1
                 prevThreadLinkView = view
                 contentView.addSubview(view)
                 NSLayoutConstraint.activate([
@@ -278,6 +279,7 @@ extension StatusCollectionViewCell {
                 view.backgroundColor = .tintColor.withAlphaComponent(0.5)
                 view.layer.cornerRadius = 2.5
                 view.layer.maskedCorners = [.layerMinXMinYCorner, .layerMaxXMinYCorner]
+                view.layer.zPosition = -1
                 nextThreadLinkView = view
                 contentView.addSubview(view)
                 let bottomConstraint = view.bottomAnchor.constraint(equalTo: contentView.bottomAnchor)

Version.xcconfig

@@ -10,7 +10,7 @@
 // https://help.apple.com/xcode/#/dev745c5c974
 
 MARKETING_VERSION = 2024.3
-CURRENT_PROJECT_VERSION = 126
+CURRENT_PROJECT_VERSION = 127
 CURRENT_PROJECT_VERSION = $(inherited)$(CURRENT_PROJECT_VERSION_BUILD_SUFFIX_$(CONFIGURATION))
 
 CURRENT_PROJECT_VERSION_BUILD_SUFFIX_Debug=-dev