Two column navigation on iPad

Pachyderm/Sources/Pachyderm/Model/Emoji.swift

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

Tusker.xcodeproj/project.pbxproj

@@ -19,8 +19,6 @@
 		04DACE8E212CC7CC009840C4 /* ImageCache.swift in Sources */ = {isa = PBXBuildFile; fileRef = 04DACE8D212CC7CC009840C4 /* ImageCache.swift */; };
 		04ED00B121481ED800567C53 /* SteppedProgressView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 04ED00B021481ED800567C53 /* SteppedProgressView.swift */; };
 		D6093F9B25BDD4B9004811E6 /* HashtagSearchResultsViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6093F9A25BDD4B9004811E6 /* HashtagSearchResultsViewController.swift */; };
-		D6093FB025BE0B01004811E6 /* TrendingHashtagTableViewCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6093FAE25BE0B01004811E6 /* TrendingHashtagTableViewCell.swift */; };
-		D6093FB125BE0B01004811E6 /* TrendingHashtagTableViewCell.xib in Resources */ = {isa = PBXBuildFile; fileRef = D6093FAF25BE0B01004811E6 /* TrendingHashtagTableViewCell.xib */; };
 		D6093FB725BE0CF3004811E6 /* TrendHistoryView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6093FB625BE0CF3004811E6 /* TrendHistoryView.swift */; };
 		D60CFFDB24A290BA00D00083 /* SwiftSoup in Frameworks */ = {isa = PBXBuildFile; productRef = D60CFFDA24A290BA00D00083 /* SwiftSoup */; };
 		D60D2B8223844C71001B87A3 /* BaseStatusTableViewCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = D60D2B8123844C71001B87A3 /* BaseStatusTableViewCell.swift */; };
@@ -221,13 +219,11 @@
 		D6AEBB4523216AF800E5038B /* FollowAccountActivity.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6AEBB4423216AF800E5038B /* FollowAccountActivity.swift */; };
 		D6AEBB4823216B1D00E5038B /* AccountActivity.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6AEBB4723216B1D00E5038B /* AccountActivity.swift */; };
 		D6AEBB4A23216F0400E5038B /* UnfollowAccountActivity.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6AEBB4923216F0400E5038B /* UnfollowAccountActivity.swift */; };
-		D6B0539F23BD2BA300A066FA /* SheetController in Frameworks */ = {isa = PBXBuildFile; productRef = D6B0539E23BD2BA300A066FA /* SheetController */; };
 		D6B053A223BD2C0600A066FA /* AssetPickerViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6B053A123BD2C0600A066FA /* AssetPickerViewController.swift */; };
 		D6B053A423BD2C8100A066FA /* AssetCollectionsListViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6B053A323BD2C8100A066FA /* AssetCollectionsListViewController.swift */; };
 		D6B053A623BD2D0C00A066FA /* AssetCollectionViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6B053A523BD2D0C00A066FA /* AssetCollectionViewController.swift */; };
 		D6B053AB23BD2F1400A066FA /* AssetCollectionViewCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6B053A923BD2F1400A066FA /* AssetCollectionViewCell.swift */; };
 		D6B053AC23BD2F1400A066FA /* AssetCollectionViewCell.xib in Resources */ = {isa = PBXBuildFile; fileRef = D6B053AA23BD2F1400A066FA /* AssetCollectionViewCell.xib */; };
-		D6B053AE23BD322B00A066FA /* AssetPickerSheetContainerViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6B053AD23BD322B00A066FA /* AssetPickerSheetContainerViewController.swift */; };
 		D6B17255254F88B800128392 /* OppositeCollapseKeywordsView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6B17254254F88B800128392 /* OppositeCollapseKeywordsView.swift */; };
 		D6B22A0F2560D52D004D82EF /* TabbedPageViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6B22A0E2560D52D004D82EF /* TabbedPageViewController.swift */; };
 		D6B30E09254BAF63009CAEE5 /* ImageGrayscalifier.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6B30E08254BAF63009CAEE5 /* ImageGrayscalifier.swift */; };
@@ -282,7 +278,6 @@
 		D6DFC69E242C490400ACC392 /* TrackpadScrollGestureRecognizer.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6DFC69D242C490400ACC392 /* TrackpadScrollGestureRecognizer.swift */; };
 		D6DFC6A0242C4CCC00ACC392 /* WeakArray.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6DFC69F242C4CCC00ACC392 /* WeakArray.swift */; };
 		D6E0DC8E216EDF1E00369478 /* Previewing.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6E0DC8D216EDF1E00369478 /* Previewing.swift */; };
-		D6E1EEF4285443EF00D20549 /* UIAction+Subtitle.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6E1EEF3285443EF00D20549 /* UIAction+Subtitle.swift */; };
 		D6E343AB265AAD6B00C4AA01 /* Media.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = D6E343AA265AAD6B00C4AA01 /* Media.xcassets */; };
 		D6E343AD265AAD6B00C4AA01 /* ActionViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6E343AC265AAD6B00C4AA01 /* ActionViewController.swift */; };
 		D6E343B0265AAD6B00C4AA01 /* MainInterface.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = D6E343AE265AAD6B00C4AA01 /* MainInterface.storyboard */; };
@@ -293,6 +288,10 @@
 		D6E426AD25334DA500C02E1C /* FuzzyMatcherTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6E426AC25334DA500C02E1C /* FuzzyMatcherTests.swift */; };
 		D6E426B325337C7000C02E1C /* CustomEmojiImageView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6E426B225337C7000C02E1C /* CustomEmojiImageView.swift */; };
 		D6E57FA325C26FAB00341037 /* Localizable.stringsdict in Resources */ = {isa = PBXBuildFile; fileRef = D6E57FA525C26FAB00341037 /* Localizable.stringsdict */; };
+		D6E77D09286D25FA00D8B732 /* TrendingHashtagCollectionViewCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6E77D08286D25FA00D8B732 /* TrendingHashtagCollectionViewCell.swift */; };
+		D6E77D0B286D426E00D8B732 /* TrendingLinkCardCollectionViewCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6E77D0A286D426E00D8B732 /* TrendingLinkCardCollectionViewCell.swift */; };
+		D6E77D0D286E6B7300D8B732 /* TrendingLinkCardCollectionViewCell.xib in Resources */ = {isa = PBXBuildFile; fileRef = D6E77D0C286E6B7300D8B732 /* TrendingLinkCardCollectionViewCell.xib */; };
+		D6E77D0F286F773900D8B732 /* SplitNavigationController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6E77D0E286F773900D8B732 /* SplitNavigationController.swift */; };
 		D6E9CDA8281A427800BBC98E /* PostService.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6E9CDA7281A427800BBC98E /* PostService.swift */; };
 		D6EAE0DB2550CC8A002DB0AC /* FocusableTextField.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6EAE0DA2550CC8A002DB0AC /* FocusableTextField.swift */; };
 		D6EBF01523C55C0900AE061B /* UIApplication+Scenes.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6EBF01423C55C0900AE061B /* UIApplication+Scenes.swift */; };
@@ -367,8 +366,6 @@
 		04DACE8D212CC7CC009840C4 /* ImageCache.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ImageCache.swift; sourceTree = "<group>"; };
 		04ED00B021481ED800567C53 /* SteppedProgressView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SteppedProgressView.swift; sourceTree = "<group>"; };
 		D6093F9A25BDD4B9004811E6 /* HashtagSearchResultsViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = HashtagSearchResultsViewController.swift; sourceTree = "<group>"; };
-		D6093FAE25BE0B01004811E6 /* TrendingHashtagTableViewCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TrendingHashtagTableViewCell.swift; sourceTree = "<group>"; };
-		D6093FAF25BE0B01004811E6 /* TrendingHashtagTableViewCell.xib */ = {isa = PBXFileReference; lastKnownFileType = file.xib; path = TrendingHashtagTableViewCell.xib; sourceTree = "<group>"; };
 		D6093FB625BE0CF3004811E6 /* TrendHistoryView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TrendHistoryView.swift; sourceTree = "<group>"; };
 		D60D2B8123844C71001B87A3 /* BaseStatusTableViewCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = BaseStatusTableViewCell.swift; sourceTree = "<group>"; };
 		D60E2F232442372B005F8713 /* StatusMO.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = StatusMO.swift; sourceTree = "<group>"; };
@@ -573,7 +570,6 @@
 		D6B053A523BD2D0C00A066FA /* AssetCollectionViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AssetCollectionViewController.swift; sourceTree = "<group>"; };
 		D6B053A923BD2F1400A066FA /* AssetCollectionViewCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AssetCollectionViewCell.swift; sourceTree = "<group>"; };
 		D6B053AA23BD2F1400A066FA /* AssetCollectionViewCell.xib */ = {isa = PBXFileReference; lastKnownFileType = file.xib; path = AssetCollectionViewCell.xib; sourceTree = "<group>"; };
-		D6B053AD23BD322B00A066FA /* AssetPickerSheetContainerViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AssetPickerSheetContainerViewController.swift; sourceTree = "<group>"; };
 		D6B17254254F88B800128392 /* OppositeCollapseKeywordsView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = OppositeCollapseKeywordsView.swift; sourceTree = "<group>"; };
 		D6B22A0E2560D52D004D82EF /* TabbedPageViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TabbedPageViewController.swift; sourceTree = "<group>"; };
 		D6B30E08254BAF63009CAEE5 /* ImageGrayscalifier.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ImageGrayscalifier.swift; sourceTree = "<group>"; };
@@ -634,7 +630,6 @@
 		D6DFC69D242C490400ACC392 /* TrackpadScrollGestureRecognizer.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TrackpadScrollGestureRecognizer.swift; sourceTree = "<group>"; };
 		D6DFC69F242C4CCC00ACC392 /* WeakArray.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = WeakArray.swift; sourceTree = "<group>"; };
 		D6E0DC8D216EDF1E00369478 /* Previewing.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Previewing.swift; sourceTree = "<group>"; };
-		D6E1EEF3285443EF00D20549 /* UIAction+Subtitle.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "UIAction+Subtitle.swift"; sourceTree = "<group>"; };
 		D6E343A8265AAD6B00C4AA01 /* OpenInTusker.appex */ = {isa = PBXFileReference; explicitFileType = "wrapper.app-extension"; includeInIndex = 0; path = OpenInTusker.appex; sourceTree = BUILT_PRODUCTS_DIR; };
 		D6E343AA265AAD6B00C4AA01 /* Media.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Media.xcassets; sourceTree = "<group>"; };
 		D6E343AC265AAD6B00C4AA01 /* ActionViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ActionViewController.swift; sourceTree = "<group>"; };
@@ -648,6 +643,10 @@
 		D6E426B225337C7000C02E1C /* CustomEmojiImageView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CustomEmojiImageView.swift; sourceTree = "<group>"; };
 		D6E4885C24A2890C0011C13E /* Tusker.entitlements */ = {isa = PBXFileReference; lastKnownFileType = text.plist.entitlements; path = Tusker.entitlements; sourceTree = "<group>"; };
 		D6E57FA425C26FAB00341037 /* en */ = {isa = PBXFileReference; lastKnownFileType = text.plist.stringsdict; name = en; path = en.lproj/Localizable.stringsdict; sourceTree = "<group>"; };
+		D6E77D08286D25FA00D8B732 /* TrendingHashtagCollectionViewCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TrendingHashtagCollectionViewCell.swift; sourceTree = "<group>"; };
+		D6E77D0A286D426E00D8B732 /* TrendingLinkCardCollectionViewCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TrendingLinkCardCollectionViewCell.swift; sourceTree = "<group>"; };
+		D6E77D0C286E6B7300D8B732 /* TrendingLinkCardCollectionViewCell.xib */ = {isa = PBXFileReference; lastKnownFileType = file.xib; path = TrendingLinkCardCollectionViewCell.xib; sourceTree = "<group>"; };
+		D6E77D0E286F773900D8B732 /* SplitNavigationController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SplitNavigationController.swift; sourceTree = "<group>"; };
 		D6E9CDA7281A427800BBC98E /* PostService.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PostService.swift; sourceTree = "<group>"; };
 		D6EAE0DA2550CC8A002DB0AC /* FocusableTextField.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = FocusableTextField.swift; sourceTree = "<group>"; };
 		D6EBF01423C55C0900AE061B /* UIApplication+Scenes.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "UIApplication+Scenes.swift"; sourceTree = "<group>"; };
@@ -667,7 +666,6 @@
 			buildActionMask = 2147483647;
 			files = (
 				D674A50927F9128D00BA03AC /* Pachyderm in Frameworks */,
-				D6B0539F23BD2BA300A066FA /* SheetController in Frameworks */,
 				D69CCBBF249E6EFD000AF167 /* CrashReporter in Frameworks */,
 				D60CFFDB24A290BA00D00083 /* SwiftSoup in Frameworks */,
 				D6676CA527A8D0020052936B /* WebURLFoundationExtras in Frameworks */,
@@ -716,8 +714,7 @@
 			children = (
 				D611C2CD232DC61100C86A49 /* HashtagTableViewCell.swift */,
 				D611C2CE232DC61100C86A49 /* HashtagTableViewCell.xib */,
-				D6093FAE25BE0B01004811E6 /* TrendingHashtagTableViewCell.swift */,
+				D6E77D08286D25FA00D8B732 /* TrendingHashtagCollectionViewCell.swift */,
-				D6093FAF25BE0B01004811E6 /* TrendingHashtagTableViewCell.xib */,
 			);
 			path = "Hashtag Cell";
 			sourceTree = "<group>";
@@ -803,6 +800,8 @@
 				D693A72725CF282E003A14E2 /* TrendingHashtagsViewController.swift */,
 				D6114E1027F899B30080E273 /* TrendingLinksViewController.swift */,
 				D6114E1227F89B440080E273 /* TrendingLinkTableViewCell.swift */,
+				D6E77D0A286D426E00D8B732 /* TrendingLinkCardCollectionViewCell.swift */,
+				D6E77D0C286E6B7300D8B732 /* TrendingLinkCardCollectionViewCell.xib */,
 				D693A72925CF8C1E003A14E2 /* ProfileDirectoryViewController.swift */,
 				D693A72D25CF91C6003A14E2 /* FeaturedProfileCollectionViewCell.swift */,
 				D693A72E25CF91C6003A14E2 /* FeaturedProfileCollectionViewCell.xib */,
@@ -1123,7 +1122,6 @@
 				D6620ACD2511A0ED00312CA0 /* StatusStateResolver.swift */,
 				D69693F32585941A00F4E116 /* UIWindowSceneDelegate+Close.swift */,
 				D62E9984279CA23900C26176 /* URLSession+Development.swift */,
-				D6E1EEF3285443EF00D20549 /* UIAction+Subtitle.swift */,
 			);
 			path = Extensions;
 			sourceTree = "<group>";
@@ -1242,7 +1240,6 @@
 				D6B053A523BD2D0C00A066FA /* AssetCollectionViewController.swift */,
 				D626493E23C101C500612E6E /* AlbumAssetCollectionViewController.swift */,
 				D64BC18523C1253A000D0238 /* AssetPreviewViewController.swift */,
-				D6B053AD23BD322B00A066FA /* AssetPickerSheetContainerViewController.swift */,
 			);
 			path = "Asset Picker";
 			sourceTree = "<group>";
@@ -1303,6 +1300,7 @@
 				D653F410267D1E32004E32B1 /* DiffableTimelineLikeTableViewController.swift */,
 				D625E4812588262A0074BB2B /* DraggableTableViewCell.swift */,
 				D693DE5623FE1A6A0061E07D /* EnhancedNavigationViewController.swift */,
+				D6E77D0E286F773900D8B732 /* SplitNavigationController.swift */,
 				D6BC8747219738E1006163F1 /* EnhancedTableViewController.swift */,
 				D693DE5823FE24300061E07D /* InteractivePushTransition.swift */,
 				D6C693FB2162FE6F007D6A6D /* LoadingViewController.swift */,
@@ -1504,7 +1502,6 @@
 			);
 			name = Tusker;
 			packageProductDependencies = (
-				D6B0539E23BD2BA300A066FA /* SheetController */,
 				D69CCBBE249E6EFD000AF167 /* CrashReporter */,
 				D60CFFDA24A290BA00D00083 /* SwiftSoup */,
 				D6676CA427A8D0020052936B /* WebURLFoundationExtras */,
@@ -1614,7 +1611,6 @@
 			);
 			mainGroup = D6D4DDC3212518A000E1C4BB;
 			packageReferences = (
-				D6B0539D23BD2BA300A066FA /* XCRemoteSwiftPackageReference "SheetController" */,
 				D69CCBBD249E6EFD000AF167 /* XCRemoteSwiftPackageReference "plcrashreporter" */,
 				D60CFFD924A290BA00D00083 /* XCRemoteSwiftPackageReference "SwiftSoup" */,
 				D6676CA127A8D0020052936B /* XCRemoteSwiftPackageReference "swift-url" */,
@@ -1637,6 +1633,7 @@
 			buildActionMask = 2147483647;
 			files = (
 				D611C2D0232DC61100C86A49 /* HashtagTableViewCell.xib in Resources */,
+				D6E77D0D286E6B7300D8B732 /* TrendingLinkCardCollectionViewCell.xib in Resources */,
 				D693A73025CF91C6003A14E2 /* FeaturedProfileCollectionViewCell.xib in Resources */,
 				D61AC1D9232EA42D00C54D2D /* InstanceTableViewCell.xib in Resources */,
 				D626493923C0FD0000612E6E /* AllPhotosTableViewCell.xib in Resources */,
@@ -1653,7 +1650,6 @@
 				D663625D2135C74800C9CBA2 /* ConversationMainStatusTableViewCell.xib in Resources */,
 				D640D76922BAF5E6004FBE69 /* DomainBlocks.plist in Resources */,
 				D6289E84217B795D0003D1D7 /* LargeImageViewController.xib in Resources */,
-				D6093FB125BE0B01004811E6 /* TrendingHashtagTableViewCell.xib in Resources */,
 				D627FF79217E950100CC0648 /* DraftsTableViewController.xib in Resources */,
 				D626493D23C1000300612E6E /* AlbumTableViewCell.xib in Resources */,
 				D627944723A6AC9300D38C68 /* BasicTableViewCell.xib in Resources */,
@@ -1764,7 +1760,6 @@
 				D64BC18F23C18B9D000D0238 /* FollowRequestNotificationTableViewCell.swift in Sources */,
 				D62E9989279DB2D100C26176 /* InstanceFeatures.swift in Sources */,
 				D693DE5923FE24310061E07D /* InteractivePushTransition.swift in Sources */,
-				D6E1EEF4285443EF00D20549 /* UIAction+Subtitle.swift in Sources */,
 				D69693FA25859A8000F4E116 /* ComposeSceneDelegate.swift in Sources */,
 				D6A3BC8A2321F79B00FD64D5 /* AccountTableViewCell.swift in Sources */,
 				D66A77BB233838DC0058F1EC /* UIFont+Traits.swift in Sources */,
@@ -1812,6 +1807,7 @@
 				D662AEF2263A4BE10082A153 /* ComposePollView.swift in Sources */,
 				D677284A24ECBDF400C732D3 /* ComposeCurrentAccount.swift in Sources */,
 				D62D2424217ABF3F005076CC /* NSUserActivity+Extensions.swift in Sources */,
+				D6E77D0F286F773900D8B732 /* SplitNavigationController.swift in Sources */,
 				D6B30E09254BAF63009CAEE5 /* ImageGrayscalifier.swift in Sources */,
 				D6A6C10F25B62D2400298D0F /* DiskCache.swift in Sources */,
 				D6B81F3C2560365300F6E31D /* RefreshableViewController.swift in Sources */,
@@ -1857,7 +1853,6 @@
 				D6EAE0DB2550CC8A002DB0AC /* FocusableTextField.swift in Sources */,
 				D623A53D2635F5590095BD04 /* StatusPollView.swift in Sources */,
 				D64AAE9726C88DC400FC57FB /* ToastConfiguration.swift in Sources */,
-				D6093FB025BE0B01004811E6 /* TrendingHashtagTableViewCell.swift in Sources */,
 				D63661C02381C144004B9E16 /* PreferencesNavigationController.swift in Sources */,
 				D6E9CDA8281A427800BBC98E /* PostService.swift in Sources */,
 				D6B053A223BD2C0600A066FA /* AssetPickerViewController.swift in Sources */,
@@ -1888,7 +1883,6 @@
 				D64D0AAD2128D88B005A6F37 /* LocalData.swift in Sources */,
 				D6945C2F23AC47C3005C403C /* SavedDataManager.swift in Sources */,
 				D6C94D892139E6EC00CB5196 /* AttachmentView.swift in Sources */,
-				D6B053AE23BD322B00A066FA /* AssetPickerSheetContainerViewController.swift in Sources */,
 				D6C693EF216192C2007D6A6D /* TuskerNavigationDelegate.swift in Sources */,
 				D6C94D872139E62700CB5196 /* LargeImageViewController.swift in Sources */,
 				D6B053AB23BD2F1400A066FA /* AssetCollectionViewCell.swift in Sources */,
@@ -1929,6 +1923,7 @@
 				D64F80E2215875CC00BEF393 /* XCBActionType.swift in Sources */,
 				04586B4322B301470021BD04 /* AppearancePrefsView.swift in Sources */,
 				D6FF9860255C717400845181 /* AccountSwitchingContainerViewController.swift in Sources */,
+				D6E77D0B286D426E00D8B732 /* TrendingLinkCardCollectionViewCell.swift in Sources */,
 				D6114E1127F899B30080E273 /* TrendingLinksViewController.swift in Sources */,
 				D670F8B62537DC890046588A /* EmojiPickerWrapper.swift in Sources */,
 				D6B81F442560390300F6E31D /* MenuController.swift in Sources */,
@@ -1972,6 +1967,7 @@
 				D6C99FCB24FADC91005C74D3 /* MainComposeTextView.swift in Sources */,
 				D6093F9B25BDD4B9004811E6 /* HashtagSearchResultsViewController.swift in Sources */,
 				D6E4267725327FB400C02E1C /* ComposeAutocompleteView.swift in Sources */,
+				D6E77D09286D25FA00D8B732 /* TrendingHashtagCollectionViewCell.swift in Sources */,
 				D6757A7E2157E02600721E32 /* XCBRequestSpec.swift in Sources */,
 				D677284E24ECC01D00C732D3 /* Draft.swift in Sources */,
 				D667E5F12134D5050057A976 /* UIViewController+Delegates.swift in Sources */,
@@ -2205,7 +2201,7 @@
 				CURRENT_PROJECT_VERSION = 31;
 				DEVELOPMENT_TEAM = V4WK9KR9U2;
 				INFOPLIST_FILE = Tusker/Info.plist;
-				IPHONEOS_DEPLOYMENT_TARGET = 14.3;
+				IPHONEOS_DEPLOYMENT_TARGET = 15.0;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
@@ -2235,7 +2231,7 @@
 				CURRENT_PROJECT_VERSION = 31;
 				DEVELOPMENT_TEAM = V4WK9KR9U2;
 				INFOPLIST_FILE = Tusker/Info.plist;
-				IPHONEOS_DEPLOYMENT_TARGET = 14.3;
+				IPHONEOS_DEPLOYMENT_TARGET = 15.0;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
@@ -2463,14 +2459,6 @@
 				minimumVersion = 1.8.0;
 			};
 		};
-		D6B0539D23BD2BA300A066FA /* XCRemoteSwiftPackageReference "SheetController" */ = {
-			isa = XCRemoteSwiftPackageReference;
-			repositoryURL = "https://git.shadowfacts.net/shadowfacts/SheetController.git";
-			requirement = {
-				branch = master;
-				kind = branch;
-			};
-		};
 /* End XCRemoteSwiftPackageReference section */
 
 /* Begin XCSwiftPackageProductDependency section */
@@ -2493,11 +2481,6 @@
 			package = D69CCBBD249E6EFD000AF167 /* XCRemoteSwiftPackageReference "plcrashreporter" */;
 			productName = CrashReporter;
 		};
-		D6B0539E23BD2BA300A066FA /* SheetController */ = {
-			isa = XCSwiftPackageProductDependency;
-			package = D6B0539D23BD2BA300A066FA /* XCRemoteSwiftPackageReference "SheetController" */;
-			productName = SheetController;
-		};
 /* End XCSwiftPackageProductDependency section */
 
 /* Begin XCVersionGroup section */

Tusker.xcodeproj/xcshareddata/xcschemes/Tusker.xcscheme

@@ -99,6 +99,11 @@
             value = "1"
             isEnabled = "NO">
          </EnvironmentVariable>
+         <EnvironmentVariable
+            key = "CG_NUMERICS_SHOW_BACKTRACE"
+            value = ""
+            isEnabled = "NO">
+         </EnvironmentVariable>
          <EnvironmentVariable
             key = "DEBUG_BLUR_HASH"
             value = "1"

Tusker/Caching/ImageCache.swift

@@ -41,20 +41,14 @@ class ImageCache {
         let wrappedCompletion: ((Data?, UIImage?) -> Void)?
         if let completion = completion {
             wrappedCompletion = { (data, image) in
-                if #available(iOS 15.0, *) {
+                if !loadOriginal,
-                    if !loadOriginal,
+                   let size = self.desiredPixelSize {
-                       let size = self.desiredPixelSize {
+                    image?.prepareThumbnail(of: size, completionHandler: {
-                        image?.prepareThumbnail(of: size, completionHandler: {
+                        completion(data, $0)
-                            completion(data, $0)
+                    })
-                        })
-                    } else {
-                        image?.prepareForDisplay {
-                            completion(data, $0)
-                        }
-                    }
                 } else {
-                    self.backgroundQueue.async {
+                    image?.prepareForDisplay {
-                        completion(data, image)
+                        completion(data, $0)
                     }
                 }
             }

Tusker/Controllers/MastodonController.swift

@@ -48,7 +48,7 @@ class MastodonController: ObservableObject {
     @Published private(set) var instanceFeatures = InstanceFeatures()
     private(set) var customEmojis: [Emoji]?
     
-    private var pendingOwnInstanceRequestCallbacks = [(Instance) -> Void]()
+    private var pendingOwnInstanceRequestCallbacks = [(Result<Instance, Client.Error>) -> Void]()
     private var ownInstanceRequest: URLSessionTask?
     
     var loggedIn: Bool {
@@ -159,15 +159,28 @@ class MastodonController: ObservableObject {
     }
     
     func getOwnInstance(completion: ((Instance) -> Void)? = nil) {
-        getOwnInstanceInternal(retryAttempt: 0, completion: completion)
+        getOwnInstanceInternal(retryAttempt: 0) {
+            if case let .success(instance) = $0 {
+                completion?(instance)
+            }
+        }
     }
     
-    private func getOwnInstanceInternal(retryAttempt: Int, completion: ((Instance) -> Void)?) {
+    @MainActor
+    func getOwnInstance() async throws -> Instance {
+        return try await withCheckedThrowingContinuation({ continuation in
+            getOwnInstanceInternal(retryAttempt: 0) { result in
+                continuation.resume(with: result)
+            }
+        })
+    }
+    
+    private func getOwnInstanceInternal(retryAttempt: Int, completion: ((Result<Instance, Client.Error>) -> Void)?) {
         // this is main thread only to prevent concurrent access to ownInstanceRequest and pendingOwnInstanceRequestCallbacks
         assert(Thread.isMainThread)
         
         if let instance = self.instance {
-            completion?(instance)
+            completion?(.success(instance))
         } else {
             if let completion = completion {
                 pendingOwnInstanceRequestCallbacks.append(completion)
@@ -177,7 +190,7 @@ class MastodonController: ObservableObject {
                 let request = Client.getInstance()
                 ownInstanceRequest = run(request) { (response) in
                     switch response {
-                    case .failure(_):
+                    case .failure(let error):
                         let delay: DispatchTimeInterval
                         switch retryAttempt {
                         case 0:
@@ -190,6 +203,10 @@ class MastodonController: ObservableObject {
                             delay = .seconds(60)
                         default:
                             // if we've failed four times, just give up :/
+                            for completion in self.pendingOwnInstanceRequestCallbacks {
+                                completion(.failure(error))
+                            }
+                            self.pendingOwnInstanceRequestCallbacks = []
                             return
                         }
                         DispatchQueue.main.asyncAfter(deadline: .now() + delay) {
@@ -204,7 +221,7 @@ class MastodonController: ObservableObject {
                             self.instanceFeatures.update(instance: instance, nodeInfo: self.nodeInfo)
                             
                             for completion in self.pendingOwnInstanceRequestCallbacks {
-                                completion(instance)
+                                completion(.success(instance))
                             }
                             self.pendingOwnInstanceRequestCallbacks = []
                         }

Tusker/Controllers/MenuController.swift

@@ -22,7 +22,7 @@ struct MenuController {
         let data: Any
         if case let .tab(tab) = item {
             data = tab.rawValue
-        } else if case .search = item {
+        } else if case .explore = item {
             data = "search"
         } else if case .bookmarks = item {
             data = "bookmarks"
@@ -42,7 +42,7 @@ struct MenuController {
     static let sidebarItemKeyCommands: [UIKeyCommand] = [
         sidebarCommand(item: .tab(.timelines), command: "1"),
         sidebarCommand(item: .tab(.notifications), command: "2"),
-        sidebarCommand(item: .search, command: "3"),
+        sidebarCommand(item: .explore, command: "3"),
         sidebarCommand(item: .bookmarks, command: "4"),
         sidebarCommand(item: .tab(.myProfile), command: "5"),
     ]

Tusker/Extensions/UIAction+Subtitle.swift

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

Tusker/InstanceFeatures.swift

@@ -34,6 +34,10 @@ struct InstanceFeatures {
         instanceType != .pixelfed
     }
     
+    var trends: Bool {
+        instanceType == .mastodon
+    }
+    
     var trendingStatusesAndLinks: Bool {
         instanceType == .mastodon && version != nil && version! >= Version(3, 5, 0)
     }

Tusker/Screens/Asset Picker/AssetPickerSheetContainerViewController.swift

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

Tusker/Screens/Compose/ComposeAttachmentRow.swift

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

Tusker/Screens/Compose/ComposeAttachmentsList.swift

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

Tusker/Screens/Compose/ComposeAutocompleteView.swift

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

Tusker/Screens/Compose/ComposeHostingController.swift

@@ -339,24 +339,14 @@ extension ComposeHostingController: ComposeUIStateDelegate {
     }
     
     func presentAssetPickerSheet() {
-        if #available(iOS 15.0, *) {
+        let picker = AssetPickerViewController()
-            let picker = AssetPickerViewController()
+        picker.assetPickerDelegate = self
-            picker.assetPickerDelegate = self
+        picker.modalPresentationStyle = .pageSheet
-            picker.modalPresentationStyle = .pageSheet
+        picker.overrideUserInterfaceStyle = .dark
-            picker.overrideUserInterfaceStyle = .dark
+        let sheet = picker.sheetPresentationController!
-            let sheet = picker.sheetPresentationController!
+        sheet.detents = [.medium(), .large()]
-            sheet.detents = [.medium(), .large()]
+        sheet.prefersEdgeAttachedInCompactHeight = true
-            sheet.prefersEdgeAttachedInCompactHeight = true
+        self.present(picker, animated: true)
-            self.present(picker, animated: true)
-        } else {
-            presentOldAssetPickerSheet()
-        }
-    }
-    
-    private func presentOldAssetPickerSheet() {
-        let sheetContainer = AssetPickerSheetContainerViewController()
-        sheetContainer.assetPicker.assetPickerDelegate = self
-        self.present(sheetContainer, animated: true)
     }
     
     func presentComposeDrawing() {

Tusker/Screens/Compose/ComposePollView.swift

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

Tusker/Screens/Compose/ComposeUIState.swift

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

Tusker/Screens/Compose/ComposeView.swift

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

Tusker/Screens/Conversation/ConversationTableViewController.swift

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

Tusker/Screens/Explore/AddSavedHashtagViewController.swift

@@ -9,19 +9,20 @@
 import UIKit
 import Pachyderm
 
-class AddSavedHashtagViewController: EnhancedTableViewController {
+class AddSavedHashtagViewController: UIViewController {
 
     weak var mastodonController: MastodonController!
     
     var resultsController: SearchResultsViewController!
     var searchController: UISearchController!
     
-    var dataSource: UITableViewDiffableDataSource<Section, Item>!
+    private var collectionView: UICollectionView!
+    private var dataSource: UICollectionViewDiffableDataSource<Section, Item>!
     
     init(mastodonController: MastodonController) {
         self.mastodonController = mastodonController
         
-        super.init(style: .grouped)
+        super.init(nibName: nil, bundle: nil)
     }
     
     required init?(coder: NSCoder) {
@@ -33,17 +34,37 @@ class AddSavedHashtagViewController: EnhancedTableViewController {
 
         title = NSLocalizedString("Search", comment: "search screen title")
         
-        tableView.register(UINib(nibName: "TrendingHashtagTableViewCell", bundle: .main), forCellReuseIdentifier: "trendingTagCell")
+        view.backgroundColor = .systemGroupedBackground
-        tableView.rowHeight = 60 // 44 for content + 2 * 8 spacing
         
-        dataSource = DataSource(tableView: tableView, cellProvider: { (tableView, indexPath, item) -> UITableViewCell? in
+        var config = UICollectionLayoutListConfiguration(appearance: .grouped)
+        config.headerMode = .supplementary
+        let layout = UICollectionViewCompositionalLayout.list(using: config)
+        collectionView = UICollectionView(frame: view.bounds, collectionViewLayout: layout)
+        collectionView.autoresizingMask = [.flexibleWidth, .flexibleHeight]
+        collectionView.delegate = self
+        view.addSubview(collectionView)
+        
+        let sectionHeaderCell = UICollectionView.SupplementaryRegistration<UICollectionViewListCell>(elementKind: UICollectionView.elementKindSectionHeader) { (headerView, collectionView, indexPath) in
+            var config = headerView.defaultContentConfiguration()
+            config.text = NSLocalizedString("Trending Hashtags", comment: "trending hashtags section title")
+            headerView.contentConfiguration = config
+        }
+        let registration = UICollectionView.CellRegistration<TrendingHashtagCollectionViewCell, Hashtag> { cell, indexPath, hashtag in
+            cell.updateUI(hashtag: hashtag)
+        }
+        dataSource = UICollectionViewDiffableDataSource(collectionView: collectionView) { (collectionView, indexPath, item) in
             switch item {
             case let .tag(hashtag):
-                let cell = tableView.dequeueReusableCell(withIdentifier: "trendingTagCell", for: indexPath) as! TrendingHashtagTableViewCell
+                return collectionView.dequeueConfiguredReusableCell(using: registration, for: indexPath, item: hashtag)
-                cell.updateUI(hashtag: hashtag)
-                return cell
             }
-        })
+        }
+        dataSource.supplementaryViewProvider = { (collectionView, elementKind, indexPath) in
+            if elementKind == UICollectionView.elementKindSectionHeader {
+                return collectionView.dequeueConfiguredReusableSupplementary(using: sectionHeaderCell, for: indexPath)
+            } else {
+                return nil
+            }
+        }
 
         resultsController = HashtagSearchResultsViewController(mastodonController: mastodonController)
         resultsController.delegate = self
@@ -92,17 +113,6 @@ class AddSavedHashtagViewController: EnhancedTableViewController {
         presentingViewController!.dismiss(animated: true)
     }
     
-    // MARK: - Table View Delegate
-    
-    override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
-        switch dataSource.itemIdentifier(for: indexPath) {
-        case nil:
-            return
-        case let .tag(hashtag):
-            selectHashtag(hashtag)
-        }
-    }
-    
     // MARK: - Interaction
     
     @objc func cancelButtonPressed() {
@@ -115,14 +125,23 @@ extension AddSavedHashtagViewController {
     enum Section {
         case trendingTags
     }
-    
     enum Item: Hashable {
         case tag(Hashtag)
     }
+//    class DataSource: UITableViewDiffableDataSource<Section, Item> {
+//        override func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
+//            return
+//        }
+//    }
+}
 
-    class DataSource: UITableViewDiffableDataSource<Section, Item> {
+extension AddSavedHashtagViewController: UICollectionViewDelegate {
-        override func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
+    func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
-            return NSLocalizedString("Trending Hashtags", comment: "trending hashtags seciton title")
+        switch dataSource.itemIdentifier(for: indexPath) {
+        case nil:
+            return
+        case let .tag(hashtag):
+            selectHashtag(hashtag)
         }
     }
 }

Tusker/Screens/Explore/TrendingHashtagsViewController.swift

@@ -9,18 +9,17 @@
 import UIKit
 import Pachyderm
 
-class TrendingHashtagsViewController: EnhancedTableViewController {
+class TrendingHashtagsViewController: UIViewController {
 
     weak var mastodonController: MastodonController!
     
-    private var dataSource: UITableViewDiffableDataSource<Section, Item>!
+    private var collectionView: UICollectionView!
+    private var dataSource: UICollectionViewDiffableDataSource<Section, Item>!
     
     init(mastodonController: MastodonController) {
         self.mastodonController = mastodonController
         
-        super.init(style: .grouped)
+        super.init(nibName: nil, bundle: nil)
-        
-        dragEnabled = true
     }
     
     required init?(coder: NSCoder) {
@@ -32,15 +31,24 @@ class TrendingHashtagsViewController: EnhancedTableViewController {
 
         title = NSLocalizedString("Trending Hashtags", comment: "trending hashtags screen title")
         
-        tableView.register(UINib(nibName: "TrendingHashtagTableViewCell", bundle: .main), forCellReuseIdentifier: "trendingTagCell")
+        view.backgroundColor = .systemGroupedBackground
-        tableView.rowHeight = 60 // 44 for content + 2 * 8 spacing
         
-        dataSource = UITableViewDiffableDataSource<Section, Item>(tableView: tableView) { (tableView, indexPath, item) in
+        let config = UICollectionLayoutListConfiguration(appearance: .grouped)
+        let layout = UICollectionViewCompositionalLayout.list(using: config)
+        collectionView = UICollectionView(frame: view.bounds, collectionViewLayout: layout)
+        collectionView.autoresizingMask = [.flexibleWidth, .flexibleHeight]
+        collectionView.delegate = self
+        collectionView.dragDelegate = self
+        view.addSubview(collectionView)
+        
+        let registration = UICollectionView.CellRegistration<TrendingHashtagCollectionViewCell, Hashtag> { cell, indexPath, hashtag in
+            cell.updateUI(hashtag: hashtag)
+        }
+        
+        dataSource = UICollectionViewDiffableDataSource<Section, Item>(collectionView: collectionView) { (collectionView, indexPath, item) in
             switch item {
             case let .tag(hashtag):
-                let cell = tableView.dequeueReusableCell(withIdentifier: "trendingTagCell", for: indexPath) as! TrendingHashtagTableViewCell
+                return collectionView.dequeueConfiguredReusableCell(using: registration, for: indexPath, item: hashtag)
-                cell.updateUI(hashtag: hashtag)
-                return cell
             }
         }
     }
@@ -60,9 +68,19 @@ class TrendingHashtagsViewController: EnhancedTableViewController {
         }
     }
     
-    // MARK: - Table View Delegate
+}
 
-    override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
+extension TrendingHashtagsViewController {
+    enum Section {
+        case trendingTags
+    }
+    enum Item: Hashable {
+        case tag(Hashtag)
+    }
+}
+
+extension TrendingHashtagsViewController: UICollectionViewDelegate {
+    func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
         guard let item = dataSource.itemIdentifier(for: indexPath),
               case let .tag(hashtag) = item else {
             return
@@ -71,7 +89,7 @@ class TrendingHashtagsViewController: EnhancedTableViewController {
         show(HashtagTimelineViewController(for: hashtag, mastodonController: mastodonController), sender: nil)
     }
     
-    override func tableView(_ tableView: UITableView, contextMenuConfigurationForRowAt indexPath: IndexPath, point: CGPoint) -> UIContextMenuConfiguration? {
+    func collectionView(_ collectionView: UICollectionView, contextMenuConfigurationForItemAt indexPath: IndexPath, point: CGPoint) -> UIContextMenuConfiguration? {
         guard let item = dataSource.itemIdentifier(for: indexPath),
               case let .tag(hashtag) = item else {
                   return nil
@@ -79,11 +97,13 @@ class TrendingHashtagsViewController: EnhancedTableViewController {
         return UIContextMenuConfiguration(identifier: nil) {
             HashtagTimelineViewController(for: hashtag, mastodonController: self.mastodonController)
         } actionProvider: { (_) in
-            UIMenu(children: self.actionsForHashtag(hashtag, sourceView: self.tableView.cellForRow(at: indexPath)))
+            UIMenu(children: self.actionsForHashtag(hashtag, sourceView: self.collectionView.cellForItem(at: indexPath)))
         }
     }
+}
 
-    override func tableView(_ tableView: UITableView, itemsForBeginning session: UIDragSession, at indexPath: IndexPath) -> [UIDragItem] {
+extension TrendingHashtagsViewController: UICollectionViewDragDelegate {
+    func collectionView(_ collectionView: UICollectionView, itemsForBeginning session: UIDragSession, at indexPath: IndexPath) -> [UIDragItem] {
         guard let item = dataSource.itemIdentifier(for: indexPath),
               case let .tag(hashtag) = item else {
                   return []
@@ -95,16 +115,6 @@ class TrendingHashtagsViewController: EnhancedTableViewController {
         }
         return [UIDragItem(itemProvider: provider)]
     }
-    
-}
-
-extension TrendingHashtagsViewController {
-    enum Section {
-        case trendingTags
-    }
-    enum Item: Hashable {
-        case tag(Hashtag)
-    }
 }
 
 extension TrendingHashtagsViewController: TuskerNavigationDelegate {

Tusker/Screens/Explore/TrendingLinkCardCollectionViewCell.swift

@@ -0,0 +1,141 @@
+//
+//  TrendingLinkCardCollectionViewCell.swift
+//  Tusker
+//
+//  Created by Shadowfacts on 6/29/22.
+//  Copyright © 2022 Shadowfacts. All rights reserved.
+//
+
+import UIKit
+import Pachyderm
+
+class TrendingLinkCardCollectionViewCell: UICollectionViewCell {
+    
+    private var card: Card?
+    private var isGrayscale = false
+    private var thumbnailRequest: ImageCache.Request?
+    
+    @IBOutlet weak var thumbnailView: UIImageView!
+    @IBOutlet weak var titleLabel: UILabel!
+    @IBOutlet weak var providerLabel: UILabel!
+    @IBOutlet weak var activityLabel: UILabel!
+    @IBOutlet weak var historyView: TrendHistoryView!
+    
+    override func awakeFromNib() {
+        super.awakeFromNib()
+        
+        layer.shadowOpacity = 0.2
+        layer.shadowRadius = 8
+        layer.shadowOffset = .zero
+        layer.masksToBounds = false
+        updateLayerColors()
+        
+        NotificationCenter.default.addObserver(self, selector: #selector(updateUIForPreferences), name: .preferencesChanged, object: nil)
+    }
+    
+    override func layoutSubviews() {
+        super.layoutSubviews()
+        
+        contentView.layer.cornerRadius = 0.05 * bounds.width
+        thumbnailView.layer.cornerRadius = 0.05 * bounds.width
+    }
+    
+    func updateUI(card: Card) {
+        self.card = card
+        self.thumbnailView.image = nil
+        
+        updateGrayscaleableUI(card: card)
+        updateUIForPreferences()
+        
+        let title = card.title.trimmingCharacters(in: .whitespacesAndNewlines)
+        titleLabel.text = title
+        
+        let provider = card.providerName!.trimmingCharacters(in: .whitespacesAndNewlines)
+        providerLabel.text = provider
+        
+        let sorted = card.history!.sorted(by: { $0.day < $1.day })
+        let lastTwo = sorted[(sorted.count - 2)...]
+        let accounts = lastTwo.map(\.accounts).reduce(0, +)
+        let uses = lastTwo.map(\.uses).reduce(0, +)
+        
+        // U+2009 THIN SPACE
+        let activityStr = NSMutableAttributedString(string: "\(accounts.formatted())\u{2009}")
+        activityStr.append(NSAttributedString(attachment: NSTextAttachment(image: UIImage(systemName: "person")!)))
+        activityStr.append(NSAttributedString(string: ", \(uses.formatted())\u{2009}"))
+        activityStr.append(NSAttributedString(attachment: NSTextAttachment(image: UIImage(systemName: "square.text.square")!)))
+        activityLabel.attributedText = activityStr
+        
+        historyView.setHistory(card.history)
+        historyView.isHidden = card.history == nil || card.history!.count < 2
+    }
+    
+    @objc private func updateUIForPreferences() {
+        if isGrayscale != Preferences.shared.grayscaleImages,
+           let card {
+            updateGrayscaleableUI(card: card)
+        }
+    }
+    
+    private func updateGrayscaleableUI(card: Card) {
+        isGrayscale = Preferences.shared.grayscaleImages
+        
+        if let imageURL = card.image,
+           let url = URL(imageURL) {
+            thumbnailRequest = ImageCache.attachments.get(url, completion: { _, image in
+                guard let image,
+                      let transformedImage = ImageGrayscalifier.convertIfNecessary(url: url, image: image) else {
+                    return
+                }
+                DispatchQueue.main.async {
+                    self.thumbnailView.image = transformedImage
+                }
+            })
+            if thumbnailRequest != nil {
+                loadBlurHash(card: card)
+            }
+        }
+    }
+    
+    private func loadBlurHash(card: Card) {
+        guard let hash = card.blurhash else {
+            return
+        }
+        let imageViewSize = self.thumbnailView.bounds.size
+        AttachmentView.queue.async { [weak self] in
+            let size: CGSize
+            if let width = card.width, let height = card.height {
+                size = CGSize(width: width, height: height)
+            } else {
+                size = imageViewSize
+            }
+            
+            guard let preview = UIImage(blurHash: hash, size: size) else {
+                return
+            }
+            DispatchQueue.main.async { [weak self] in
+                guard let self,
+                      self.card?.url == card.url,
+                      self.thumbnailView.image == nil else {
+                    return
+                }
+                self.thumbnailView.image = preview
+            }
+        }
+    }
+    
+    override func traitCollectionDidChange(_ previousTraitCollection: UITraitCollection?) {
+        super.traitCollectionDidChange(previousTraitCollection)
+        updateLayerColors()
+    }
+    
+    private func updateLayerColors() {
+        if traitCollection.userInterfaceStyle == .dark {
+//            clippingView.layer.borderColor = UIColor.darkGray.withAlphaComponent(0.5).cgColor
+            layer.shadowColor = UIColor.darkGray.cgColor
+        } else {
+//            clippingView.layer.borderColor = UIColor.lightGray.withAlphaComponent(0.5).cgColor
+            layer.shadowColor = UIColor.black.cgColor
+        }
+    }
+    
+}

Tusker/Screens/Explore/TrendingLinkCardCollectionViewCell.xib

@@ -0,0 +1,87 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="21179.7" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES">
+    <device id="retina6_0" orientation="portrait" appearance="light"/>
+    <dependencies>
+        <deployment identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="21169.4"/>
+        <capability name="System colors in document resources" minToolsVersion="11.0"/>
+        <capability name="collection view cell content view" minToolsVersion="11.0"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </dependencies>
+    <objects>
+        <placeholder placeholderIdentifier="IBFilesOwner" id="-1" userLabel="File's Owner"/>
+        <placeholder placeholderIdentifier="IBFirstResponder" id="-2" customClass="UIResponder"/>
+        <collectionViewCell opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" id="izA-ZZ-g7F" customClass="TrendingLinkCardCollectionViewCell" customModule="Tusker" customModuleProvider="target">
+            <rect key="frame" x="0.0" y="0.0" width="300" height="400"/>
+            <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
+            <collectionViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" insetsLayoutMarginsFromSafeArea="NO" id="Zb0-aW-Sen">
+                <rect key="frame" x="0.0" y="0.0" width="300" height="400"/>
+                <autoresizingMask key="autoresizingMask"/>
+                <subviews>
+                    <imageView clipsSubviews="YES" userInteractionEnabled="NO" contentMode="scaleAspectFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" translatesAutoresizingMaskIntoConstraints="NO" id="h3b-Mf-lD6">
+                        <rect key="frame" x="0.0" y="0.0" width="300" height="225"/>
+                        <constraints>
+                            <constraint firstAttribute="width" secondItem="h3b-Mf-lD6" secondAttribute="height" multiplier="4:3" id="QDY-8a-LYC"/>
+                        </constraints>
+                    </imageView>
+                    <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" ambiguous="YES" text="Title" textAlignment="natural" lineBreakMode="tailTruncation" numberOfLines="2" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="Ho3-cU-IGi">
+                        <rect key="frame" x="16" y="330.66666666666674" width="268" height="20.333333333333314"/>
+                        <fontDescription key="fontDescription" style="UICTFontTextStyleHeadline"/>
+                        <nil key="textColor"/>
+                        <nil key="highlightedColor"/>
+                    </label>
+                    <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" ambiguous="YES" text="Provider" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="O9r-10-LDD">
+                        <rect key="frame" x="16.000000000000004" y="355" width="57.333333333333343" height="18"/>
+                        <fontDescription key="fontDescription" style="UICTFontTextStyleSubhead"/>
+                        <nil key="textColor"/>
+                        <nil key="highlightedColor"/>
+                    </label>
+                    <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" ambiguous="YES" text="Activity" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="ULe-Gd-t1S">
+                        <rect key="frame" x="16" y="377" width="43" height="15"/>
+                        <fontDescription key="fontDescription" style="UICTFontTextStyleCaption1"/>
+                        <nil key="textColor"/>
+                        <nil key="highlightedColor"/>
+                    </label>
+                    <view contentMode="scaleToFill" ambiguous="YES" translatesAutoresizingMaskIntoConstraints="NO" id="LZj-Ii-63i" customClass="TrendHistoryView" customModule="Tusker" customModuleProvider="target">
+                        <rect key="frame" x="200" y="355" width="100" height="44"/>
+                        <constraints>
+                            <constraint firstAttribute="width" constant="100" id="cUc-p7-aLH"/>
+                        </constraints>
+                    </view>
+                </subviews>
+                <color key="backgroundColor" systemColor="systemBackgroundColor"/>
+                <constraints>
+                    <constraint firstAttribute="bottomMargin" secondItem="ULe-Gd-t1S" secondAttribute="bottom" id="6UL-8b-Aia"/>
+                    <constraint firstItem="h3b-Mf-lD6" firstAttribute="top" secondItem="Zb0-aW-Sen" secondAttribute="top" id="EFg-Yr-vdt"/>
+                    <constraint firstItem="Ho3-cU-IGi" firstAttribute="leading" secondItem="Zb0-aW-Sen" secondAttribute="leadingMargin" id="Ga8-LQ-f4N"/>
+                    <constraint firstItem="ULe-Gd-t1S" firstAttribute="top" secondItem="O9r-10-LDD" secondAttribute="bottom" constant="4" id="HPD-qN-k3z"/>
+                    <constraint firstAttribute="bottom" secondItem="LZj-Ii-63i" secondAttribute="bottom" constant="1" id="HWu-In-Uem"/>
+                    <constraint firstItem="O9r-10-LDD" firstAttribute="leading" secondItem="Zb0-aW-Sen" secondAttribute="leadingMargin" id="Hz8-Bw-jpl"/>
+                    <constraint firstAttribute="trailing" secondItem="LZj-Ii-63i" secondAttribute="trailing" id="J9c-CF-3EF"/>
+                    <constraint firstItem="ULe-Gd-t1S" firstAttribute="leading" secondItem="Zb0-aW-Sen" secondAttribute="leadingMargin" id="KEj-En-StX"/>
+                    <constraint firstItem="Ho3-cU-IGi" firstAttribute="top" secondItem="h3b-Mf-lD6" secondAttribute="bottom" constant="4" id="PjW-V1-oDs"/>
+                    <constraint firstItem="LZj-Ii-63i" firstAttribute="leading" relation="greaterThanOrEqual" secondItem="O9r-10-LDD" secondAttribute="trailing" id="WNr-ZP-o9a"/>
+                    <constraint firstItem="LZj-Ii-63i" firstAttribute="top" secondItem="Ho3-cU-IGi" secondAttribute="bottom" constant="4" id="fpM-Hp-Oyf"/>
+                    <constraint firstAttribute="trailing" secondItem="h3b-Mf-lD6" secondAttribute="trailing" id="kBD-1R-bh7"/>
+                    <constraint firstItem="LZj-Ii-63i" firstAttribute="leading" relation="greaterThanOrEqual" secondItem="ULe-Gd-t1S" secondAttribute="trailing" id="ruZ-p8-n0x"/>
+                    <constraint firstAttribute="trailingMargin" secondItem="Ho3-cU-IGi" secondAttribute="trailing" id="ubj-f6-bXE"/>
+                    <constraint firstItem="h3b-Mf-lD6" firstAttribute="leading" secondItem="Zb0-aW-Sen" secondAttribute="leading" id="wF1-Gm-nVQ"/>
+                    <constraint firstItem="O9r-10-LDD" firstAttribute="top" secondItem="Ho3-cU-IGi" secondAttribute="bottom" constant="4" id="yPq-dT-uib"/>
+                </constraints>
+            </collectionViewCellContentView>
+            <connections>
+                <outlet property="activityLabel" destination="ULe-Gd-t1S" id="wqe-G6-IB3"/>
+                <outlet property="historyView" destination="LZj-Ii-63i" id="MVF-az-uyA"/>
+                <outlet property="providerLabel" destination="O9r-10-LDD" id="xAF-NW-ymm"/>
+                <outlet property="thumbnailView" destination="h3b-Mf-lD6" id="4mF-bJ-ALY"/>
+                <outlet property="titleLabel" destination="Ho3-cU-IGi" id="ltu-ey-chT"/>
+            </connections>
+            <point key="canvasLocation" x="0.0" y="-13.507109004739336"/>
+        </collectionViewCell>
+    </objects>
+    <resources>
+        <systemColor name="systemBackgroundColor">
+            <color white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+        </systemColor>
+    </resources>
+</document>

Tusker/Screens/Explore/TrendingLinkTableViewCell.swift

@@ -113,6 +113,10 @@ class TrendingLinkTableViewCell: UITableViewCell {
     }
     
     @objc private func updateUIForPreferences() {
+        if isGrayscale != Preferences.shared.grayscaleImages,
+           let card {
+            updateGrayscaleableUI(card: card)
+        }
     }
     
     private func updateGrayscaleableUI(card: Card) {

Tusker/Screens/Large Image/LargeImageContentView.swift

@@ -19,8 +19,10 @@ protocol LargeImageContentView: UIView {
 
 class LargeImageImageContentView: UIImageView, LargeImageContentView {
     
+    #if !targetEnvironment(macCatalyst)
     @available(iOS 16.0, *)
     private static let analyzer = ImageAnalyzer()
+    #endif
     
     var animationImage: UIImage? { image! }
     
@@ -39,6 +41,7 @@ class LargeImageImageContentView: UIImageView, LargeImageContentView {
         contentMode = .scaleAspectFit
         isUserInteractionEnabled = true
         
+        #if !targetEnvironment(macCatalyst)
         if #available(iOS 16.0, *),
            ImageAnalyzer.isSupported {
             let interaction = ImageAnalysisInteraction()
@@ -54,6 +57,7 @@ class LargeImageImageContentView: UIImageView, LargeImageContentView {
                 }
             }
         }
+        #endif
     }
     
     required init?(coder: NSCoder) {
@@ -78,12 +82,14 @@ class LargeImageImageContentView: UIImageView, LargeImageContentView {
     }
 }
 
+#if !targetEnvironment(macCatalyst)
 @available(iOS 16.0, *)
 extension LargeImageImageContentView: ImageAnalysisInteractionDelegate {
     func presentingViewController(for interaction: ImageAnalysisInteraction) -> UIViewController? {
         return owner
     }
 }
+#endif
 
 class LargeImageGifContentView: GIFImageView, LargeImageContentView {
     var animationImage: UIImage? { image }

Tusker/Screens/Main/MainSidebarViewController.swift

@@ -37,7 +37,7 @@ class MainSidebarViewController: UIViewController {
     }
     
     var exploreTabItems: [Item] {
-        var items: [Item] = [.search, .bookmarks, .trendingStatuses, .trendingTags, .trendingLinks, .profileDirectory]
+        var items: [Item] = [.explore, .bookmarks, .trendingStatuses, .profileDirectory]
         let snapshot = dataSource.snapshot()
         for case let .list(list) in snapshot.itemIdentifiers(inSection: .lists) {
             items.append(.list(list))
@@ -154,7 +154,7 @@ class MainSidebarViewController: UIViewController {
         snapshot.appendItems([
             .tab(.timelines),
             .tab(.notifications),
-            .search,
+            .explore,
             .bookmarks,
             .tab(.myProfile)
         ], toSection: .tabs)
@@ -177,12 +177,10 @@ class MainSidebarViewController: UIViewController {
         var discoverSnapshot = NSDiffableDataSourceSectionSnapshot<Item>()
         discoverSnapshot.append([.discoverHeader])
         discoverSnapshot.append([
-            .trendingTags,
             .profileDirectory,
         ], to: .discoverHeader)
         if mastodonController.instanceFeatures.trendingStatusesAndLinks {
-            discoverSnapshot.insert([.trendingStatuses], before: .trendingTags)
+            discoverSnapshot.insert([.trendingStatuses], before: .profileDirectory)
-            discoverSnapshot.insert([.trendingLinks], after: .trendingTags)
         }
         dataSource.apply(discoverSnapshot, to: .discover)
     }
@@ -345,7 +343,7 @@ class MainSidebarViewController: UIViewController {
             return UserActivityManager.checkNotificationsActivity(mode: Preferences.shared.defaultNotificationsMode)
         case .tab(.compose):
             return UserActivityManager.newPostActivity(accountID: id)
-        case .search:
+        case .explore:
             return UserActivityManager.searchActivity()
         case .bookmarks:
             return UserActivityManager.bookmarksActivity()
@@ -384,8 +382,8 @@ extension MainSidebarViewController {
     }
     enum Item: Hashable {
         case tab(MainTabBarViewController.Tab)
-        case search, bookmarks
+        case explore, bookmarks
-        case discoverHeader, trendingStatuses, trendingTags, trendingLinks, profileDirectory
+        case discoverHeader, trendingStatuses, profileDirectory
         case listsHeader, list(List), addList
         case savedHashtagsHeader, savedHashtag(Hashtag), addSavedHashtag
         case savedInstancesHeader, savedInstance(URL), addSavedInstance
@@ -394,18 +392,14 @@ extension MainSidebarViewController {
             switch self {
             case let .tab(tab):
                 return tab.title
-            case .search:
+            case .explore:
-                return "Search"
+                return "Explore"
             case .bookmarks:
                 return "Bookmarks"
             case .discoverHeader:
                 return "Discover"
             case .trendingStatuses:
                 return "Trending Posts"
-            case .trendingTags:
-                return "Trending Hashtags"
-            case .trendingLinks:
-                return "Trending Links"
             case .profileDirectory:
                 return "Profile Directory"
             case .listsHeader:
@@ -433,16 +427,12 @@ extension MainSidebarViewController {
             switch self {
             case let .tab(tab):
                 return tab.imageName
-            case .search:
+            case .explore:
                 return "magnifyingglass"
             case .bookmarks:
                 return "bookmark"
             case .trendingStatuses:
-                return "doc.text.image"
+                return "square.text.square"
-            case .trendingTags:
-                return "number"
-            case .trendingLinks:
-                return "link"
             case .profileDirectory:
                 return "person.2.fill"
             case .list(_):
@@ -550,8 +540,7 @@ extension MainSidebarViewController: UICollectionViewDelegate {
     }
     
     func collectionView(_ collectionView: UICollectionView, contextMenuConfigurationForItemAt indexPath: IndexPath, point: CGPoint) -> UIContextMenuConfiguration? {
-        guard #available(iOS 15.0, *),
+        guard let item = dataSource.itemIdentifier(for: indexPath),
-              let item = dataSource.itemIdentifier(for: indexPath),
               let activity = userActivityForItem(item) else {
             return nil
         }

Tusker/Screens/Main/MainSplitViewController.swift

@@ -20,8 +20,11 @@ class MainSplitViewController: UISplitViewController {
     
     private var tabBarViewController: MainTabBarViewController!
     
-    private var secondaryNavController: UINavigationController! {
+//    private var secondaryNavController: UINavigationController! {
-        viewController(for: .secondary) as? UINavigationController
+//        viewController(for: .secondary) as? UINavigationController
+//    }
+    private var secondaryNavController: SplitNavigationController! {
+        viewController(for: .secondary) as? SplitNavigationController
     }
     
     init(mastodonController: MastodonController) {
@@ -46,9 +49,10 @@ class MainSplitViewController: UISplitViewController {
         setViewController(sidebar, for: .primary)
         primaryBackgroundStyle = .sidebar
 
-        let secondaryNav = EnhancedNavigationViewController()
+//        let secondaryNav = EnhancedNavigationViewController()
-        secondaryNav.useBrowserStyleNavigation = true
+//        secondaryNav.useBrowserStyleNavigation = true
-        setViewController(secondaryNav, for: .secondary)
+        let splitNav = SplitNavigationController()
+        setViewController(splitNav, for: .secondary)
         // 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 {
@@ -100,7 +104,7 @@ class MainSplitViewController: UISplitViewController {
             item = .tab(MainTabBarViewController.Tab(rawValue: index)!)
         } else if let str = command.propertyList as? String {
             if str == "search" {
-                item = .search
+                item = .explore
             } else if str == "bookmarks" {
                 item = .bookmarks
             } else {
@@ -171,7 +175,7 @@ extension MainSplitViewController: UISplitViewControllerDelegate {
                 $0.1 > $1.1
             }
         if let mostRecentExploreItem = mostRecentExploreItem?.0,
-           mostRecentExploreItem != .search {
+           mostRecentExploreItem != .explore {
             let exploreNav = tabBarViewController.viewController(for: .explore) as! UINavigationController
             // Pop back to root, so we're appending to the Explore VC instead of some other VC
             exploreNav.popToRootViewController(animated: false)
@@ -188,7 +192,7 @@ extension MainSplitViewController: UISplitViewControllerDelegate {
             // sidebar items that map 1 <-> 1 can be transferred directly
             tabBarViewController.select(tab: tab)
             
-        case .search:
+        case .explore:
             // Search sidebar item maps to the Explore tab with the search controller/results visible
             // The nav stack can't be copied directly, since the split VC uses a different SearchViewController
             // so that explore items aren't shown multiple times.
@@ -217,11 +221,11 @@ extension MainSplitViewController: UISplitViewControllerDelegate {
             explore.resultsController.loadResults(from: search.resultsController)
             
             // Transfer the navigation stack, dropping the search VC, to keep anything the user has opened
-            transferNavigationStack(from: .search, to: exploreNav, dropFirst: true, append: true)
+            transferNavigationStack(from: .explore, to: exploreNav, dropFirst: true, append: true)
             
             tabBarViewController.select(tab: .explore)
             
-        case .bookmarks, .trendingStatuses, .trendingTags, .trendingLinks, .profileDirectory, .list(_), .savedHashtag(_), .savedInstance(_):
+        case .bookmarks, .trendingStatuses, .profileDirectory, .list(_), .savedHashtag(_), .savedInstance(_):
             tabBarViewController.select(tab: .explore)
             // Make sure the Explore VC doesn't show it's search bar when it appears, in case the user was previously
             // in compact mode and performing a search.
@@ -272,7 +276,7 @@ extension MainSplitViewController: UISplitViewControllerDelegate {
                 // For other items, the 2nd VC in the nav stack determines which sidebar item they map to.
                 // Search screen has special considerations, all others can be transferred directly.
                 if tabNavigationStack.count == 1 || ((tabNavigationStack.first as? ExploreViewController)?.searchController?.isActive ?? false) {
-                    exploreItem = .search
+                    exploreItem = .explore
                     let searchVC = SearchViewController(mastodonController: mastodonController)
                     searchVC.loadViewIfNeeded()
                     let explore = tabNavigationStack.first as! ExploreViewController
@@ -300,9 +304,9 @@ extension MainSplitViewController: UISplitViewControllerDelegate {
                     case is TrendingStatusesViewController:
                         exploreItem = .trendingStatuses
                     case is TrendingHashtagsViewController:
-                        exploreItem = .trendingTags
+                        exploreItem = .explore
                     case is TrendingLinksViewController:
-                        exploreItem = .trendingLinks
+                        exploreItem = .explore
                     case is ProfileDirectoryViewController:
                         exploreItem = .profileDirectory
                     default:
@@ -354,16 +358,12 @@ fileprivate extension MainSidebarViewController.Item {
         switch self {
         case let .tab(tab):
             return tab.createViewController(mastodonController)
-        case .search:
+        case .explore:
             return SearchViewController(mastodonController: mastodonController)
         case .bookmarks:
             return BookmarksTableViewController(mastodonController: mastodonController)
         case .trendingStatuses:
             return TrendingStatusesViewController(mastodonController: mastodonController)
-        case .trendingTags:
-            return TrendingHashtagsViewController(mastodonController: mastodonController)
-        case .trendingLinks:
-            return TrendingLinksViewController(mastodonController: mastodonController)
         case .profileDirectory:
             return ProfileDirectoryViewController(mastodonController: mastodonController)
         case let .list(list):
@@ -380,7 +380,7 @@ fileprivate extension MainSidebarViewController.Item {
 
 extension MainSplitViewController: TuskerRootViewController {
     @objc func presentCompose() {
-        if #available(iOS 15.0, *), UIDevice.current.userInterfaceIdiom == .pad || UIDevice.current.userInterfaceIdiom == .mac {
+        if UIDevice.current.userInterfaceIdiom == .pad || UIDevice.current.userInterfaceIdiom == .mac {
             let compose = UserActivityManager.newPostActivity(mentioning: nil, accountID: mastodonController.accountInfo!.id)
             let options = UIWindowScene.ActivationRequestOptions()
             options.preferredPresentationStyle = .prominent
@@ -435,8 +435,8 @@ extension MainSplitViewController: TuskerRootViewController {
             return
         }
         
-        if sidebar.selectedItem != .search {
+        if sidebar.selectedItem != .explore {
-            select(item: .search)
+            select(item: .explore)
         }
         
         guard let searchViewController = secondaryNavController.viewControllers.first as? SearchViewController else {

Tusker/Screens/Main/MainTabBarViewController.swift

@@ -142,7 +142,7 @@ class MainTabBarViewController: UITabBarController, UITabBarControllerDelegate {
             return vc
         } else {
             let nav = EnhancedNavigationViewController(rootViewController: vc)
-            nav.useBrowserStyleNavigation = true
+//            nav.useBrowserStyleNavigation = true
             return nav
         }
     }
@@ -230,7 +230,7 @@ extension MainTabBarViewController: FastAccountSwitcherViewControllerDelegate {
 
 extension MainTabBarViewController: TuskerRootViewController {
     @objc func presentCompose() {
-        if #available(iOS 15.0, *), UIDevice.current.userInterfaceIdiom == .pad || UIDevice.current.userInterfaceIdiom == .mac {
+        if UIDevice.current.userInterfaceIdiom == .pad || UIDevice.current.userInterfaceIdiom == .mac {
             let compose = UserActivityManager.newPostActivity(mentioning: nil, accountID: mastodonController.accountInfo!.id)
             let options = UIWindowScene.ActivationRequestOptions()
             options.preferredPresentationStyle = .prominent

Tusker/Screens/Preferences/OppositeCollapseKeywordsView.swift

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

Tusker/Screens/Preferences/WellnessPrefsView.swift

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

Tusker/Screens/Search/SearchViewController.swift

@@ -7,11 +7,16 @@
 //
 
 import UIKit
+import Pachyderm
+import SafariServices
 
 class SearchViewController: UIViewController {
 
     weak var mastodonController: MastodonController!
     
+    private var collectionView: UICollectionView!
+    private var dataSource: UICollectionViewDiffableDataSource<Section, Item>!
+    
     var resultsController: SearchResultsViewController!
     var searchController: UISearchController!
     
@@ -22,7 +27,7 @@ class SearchViewController: UIViewController {
         
         super.init(nibName: nil, bundle: nil)
         
-        title = NSLocalizedString("Search", comment: "search tab title")
+        title = NSLocalizedString("Explore", comment: "explore tab title")
     }
     
     required init?(coder: NSCoder) {
@@ -32,12 +37,46 @@ class SearchViewController: UIViewController {
     override func viewDidLoad() {
         super.viewDidLoad()
 
-        view.backgroundColor = .systemBackground
+        let layout = UICollectionViewCompositionalLayout { [unowned self] sectionIndex, environment in
+            let sectionIdentifier = self.dataSource.snapshot().sectionIdentifiers[sectionIndex]
+            switch sectionIdentifier {
+            case .trendingHashtags:
+                var listConfig = UICollectionLayoutListConfiguration(appearance: .grouped)
+                listConfig.headerMode = .supplementary
+                return .list(using: listConfig, layoutEnvironment: environment)
+                
+            case .trendingLinks:
+                let itemSize = NSCollectionLayoutSize(widthDimension: .fractionalWidth(1), heightDimension: .fractionalHeight(1))
+                let item = NSCollectionLayoutItem(layoutSize: itemSize)
+                // todo: i really wish i could just say the height is automatic and let autolayout figure out what it needs to be
+                // using .estimated(whatever) constrains the height to exactly whatever
+                let groupSize = NSCollectionLayoutSize(widthDimension: .absolute(250), heightDimension: .estimated(280))
+                let group = NSCollectionLayoutGroup.horizontal(layoutSize: groupSize, subitems: [item])
+                group.edgeSpacing = NSCollectionLayoutEdgeSpacing(leading: .fixed(8), top: nil, trailing: .fixed(8), bottom: nil)
+                let section = NSCollectionLayoutSection(group: group)
+                section.orthogonalScrollingBehavior = .continuousGroupLeadingBoundary
+                section.boundarySupplementaryItems = [
+                    NSCollectionLayoutBoundarySupplementaryItem(layoutSize: NSCollectionLayoutSize(widthDimension: .fractionalWidth(1), heightDimension: .estimated(12)), elementKind: UICollectionView.elementKindSectionHeader, alignment: .topLeading)
+                ]
+                return section
+
+            default:
+                fatalError("unimplemented")
+            }
+        }
+        collectionView = UICollectionView(frame: view.bounds, collectionViewLayout: layout)
+        collectionView.autoresizingMask = [.flexibleWidth, .flexibleHeight]
+        collectionView.delegate = self
+        collectionView.dragDelegate = self
+        collectionView.backgroundColor = .secondarySystemBackground
+        view.addSubview(collectionView)
+        
+        dataSource = createDataSource()
         
         resultsController = SearchResultsViewController(mastodonController: mastodonController)
         resultsController.exploreNavigationController = self.navigationController
         searchController = UISearchController(searchResultsController: resultsController)
-        searchController.obscuresBackgroundDuringPresentation = false
+        searchController.obscuresBackgroundDuringPresentation = true
         searchController.searchBar.autocapitalizationType = .none
         searchController.searchBar.delegate = resultsController
         searchController.hidesNavigationBarDuringPresentation = false
@@ -48,6 +87,18 @@ class SearchViewController: UIViewController {
         if #available(iOS 16.0, *) {
             navigationItem.preferredSearchBarPlacement = .stacked
         }
+        
+        NotificationCenter.default.addObserver(self, selector: #selector(preferencesChanged), name: .preferencesChanged, object: nil)
+    }
+    
+    override func viewWillAppear(_ animated: Bool) {
+        super.viewWillAppear(animated)
+        
+        Task(priority: .userInitiated) {
+            if (try? await mastodonController.getOwnInstance()) != nil {
+                await applySnapshot()
+            }
+        }
     }
     
     override func viewDidAppear(_ animated: Bool) {
@@ -62,4 +113,213 @@ class SearchViewController: UIViewController {
         }
     }
     
+    private func createDataSource() -> UICollectionViewDiffableDataSource<Section, Item> {
+        let sectionHeaderCell = UICollectionView.SupplementaryRegistration<UICollectionViewListCell>(elementKind: UICollectionView.elementKindSectionHeader) { [unowned self] (headerView, collectionView, indexPath) in
+            let section = self.dataSource.snapshot().sectionIdentifiers[indexPath.section]
+            var config = UIListContentConfiguration.groupedHeader()
+            config.text = section.title
+            headerView.contentConfiguration = config
+        }
+        
+        let trendingHashtagCell = UICollectionView.CellRegistration<TrendingHashtagCollectionViewCell, Hashtag> { (cell, indexPath, hashtag) in
+            cell.updateUI(hashtag: hashtag)
+        }
+        let trendingLinkCell = UICollectionView.CellRegistration<TrendingLinkCardCollectionViewCell, Card>(cellNib: UINib(nibName: "TrendingLinkCardCollectionViewCell", bundle: .main)) { (cell, indexPath, card) in
+            cell.updateUI(card: card)
+        }
+        
+        let dataSource = UICollectionViewDiffableDataSource<Section, Item>(collectionView: collectionView) { collectionView, indexPath, item in
+            switch item {
+            case let .tag(hashtag):
+                return collectionView.dequeueConfiguredReusableCell(using: trendingHashtagCell, for: indexPath, item: hashtag)
+                
+            case let .link(card):
+                return collectionView.dequeueConfiguredReusableCell(using: trendingLinkCell, for: indexPath, item: card)
+                
+            default:
+                fatalError("todo")
+            }
+        }
+        dataSource.supplementaryViewProvider = { (collectionView, elementKind, indexPath) in
+            if elementKind == UICollectionView.elementKindSectionHeader {
+                return collectionView.dequeueConfiguredReusableSupplementary(using: sectionHeaderCell, for: indexPath)
+            } else {
+                return nil
+            }
+        }
+        return dataSource
+    }
+    
+    @MainActor
+    private func applySnapshot() async {
+        guard mastodonController.instanceFeatures.trends,
+              !Preferences.shared.hideDiscover else {
+            await dataSource.apply(NSDiffableDataSourceSnapshot())
+            return
+        }
+        
+        var snapshot = NSDiffableDataSourceSnapshot<Section, Item>()
+        
+        let hashtagsReq = Client.getTrendingHashtags(limit: 5)
+        async let hashtags = try? mastodonController.run(hashtagsReq).0
+        let linksReq = Client.getTrendingLinks(limit: 10)
+        async let links = try? mastodonController.run(linksReq).0
+        
+        if let hashtags = await hashtags {
+            snapshot.appendSections([.trendingHashtags])
+            snapshot.appendItems(hashtags.map { .tag($0) }, toSection: .trendingHashtags)
+        }
+        
+        if let links = await links {
+            snapshot.appendSections([.trendingLinks])
+            snapshot.appendItems(links.map { .link($0) }, toSection: .trendingLinks)
+        }
+        
+        await dataSource.apply(snapshot)
+    }
+    
+    @objc private func preferencesChanged() {
+        Task {
+            await applySnapshot()
+        }
+    }
+
+}
+
+extension SearchViewController {
+    enum Section {
+        case trendingHashtags
+        case trendingLinks
+        case trendingStatuses
+        case profileSuggestions
+        
+        var title: String {
+            switch self {
+            case .trendingHashtags:
+                return "Trending Hashtags"
+            case .trendingLinks:
+                return "Trending Links"
+            case .trendingStatuses:
+                return "Trending Statuses"
+            case .profileSuggestions:
+                return "Suggested Accounts"
+            }
+        }
+    }
+    enum Item: Equatable, Hashable {
+        case status(String)
+        case tag(Hashtag)
+        case link(Card)
+        
+        static func == (lhs: SearchViewController.Item, rhs: SearchViewController.Item) -> Bool {
+            switch (lhs, rhs) {
+            case let (.status(a), .status(b)):
+                return a == b
+            case let (.tag(a), .tag(b)):
+                return a == b
+            case let (.link(a), .link(b)):
+                return a.url == b.url
+            default:
+                return false
+            }
+        }
+        
+        func hash(into hasher: inout Hasher) {
+            switch self {
+            case let .status(id):
+                hasher.combine("status")
+                hasher.combine(id)
+            case let .tag(tag):
+                hasher.combine("tag")
+                hasher.combine(tag.name)
+            case let .link(card):
+                hasher.combine("link")
+                hasher.combine(card.url)
+            }
+        }
+    }
+}
+
+extension SearchViewController: UICollectionViewDelegate {
+    func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
+        guard let item = dataSource.itemIdentifier(for: indexPath) else {
+            return
+        }
+        switch item {
+        case let .tag(hashtag):
+            show(HashtagTimelineViewController(for: hashtag, mastodonController: mastodonController), sender: nil)
+            
+        case let .link(card):
+            if let url = URL(card.url) {
+                selected(url: url)
+            }
+            
+        default:
+            fatalError("todo")
+        }
+    }
+    
+    func collectionView(_ collectionView: UICollectionView, contextMenuConfigurationForItemAt indexPath: IndexPath, point: CGPoint) -> UIContextMenuConfiguration? {
+        guard let item = dataSource.itemIdentifier(for: indexPath) else {
+            return nil
+        }
+        
+        switch item {
+        case let .tag(hashtag):
+            return UIContextMenuConfiguration(identifier: nil) {
+                HashtagTimelineViewController(for: hashtag, mastodonController: self.mastodonController)
+            } actionProvider: { (_) in
+                UIMenu(children: self.actionsForHashtag(hashtag, sourceView: self.collectionView.cellForItem(at: indexPath)))
+            }
+            
+        case let .link(card):
+            guard let url = URL(card.url) else {
+                return nil
+            }
+            return UIContextMenuConfiguration {
+                SFSafariViewController(url: url)
+            } actionProvider: { _ in
+                UIMenu(children: self.actionsForTrendingLink(card: card))
+            }
+            
+        default:
+            fatalError("todo")
+        }
+    }
+}
+
+extension SearchViewController: UICollectionViewDragDelegate {
+    func collectionView(_ collectionView: UICollectionView, itemsForBeginning session: UIDragSession, at indexPath: IndexPath) -> [UIDragItem] {
+        guard let item = dataSource.itemIdentifier(for: indexPath) else {
+                  return []
+              }
+        switch item {
+        case let .tag(hashtag):
+            let provider = NSItemProvider(object: hashtag.url as NSURL)
+            if let activity = UserActivityManager.showTimelineActivity(timeline: .tag(hashtag: hashtag.name), accountID: mastodonController.accountInfo!.id) {
+                activity.displaysAuxiliaryScene = true
+                provider.registerObject(activity, visibility: .all)
+            }
+            return [UIDragItem(itemProvider: provider)]
+            
+        case let .link(card):
+            guard let url = URL(card.url) else {
+                return []
+            }
+            return [UIDragItem(itemProvider: NSItemProvider(object: url as NSURL))]
+            
+        default:
+            fatalError("todo")
+        }
+    }
+}
+
+extension SearchViewController: TuskerNavigationDelegate {
+    var apiController: MastodonController { mastodonController }
+}
+
+extension SearchViewController: ToastableViewController {
+}
+
+extension SearchViewController: MenuActionProvider {
 }

Tusker/Screens/Timeline/TimelineTableViewController.swift

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

Tusker/Screens/Utilities/Previewing.swift

@@ -59,7 +59,7 @@ extension MenuActionProvider {
                 draft.visibility = .direct
                 self.navigationDelegate?.compose(editing: draft)
             }),
-            UIDeferredMenuElement.uncachedIfPossible({ (elementHandler) in
+            UIDeferredMenuElement.uncached({ (elementHandler) in
                 Task { @MainActor in
                     if let action = await self.followAction(for: accountID, mastodonController: mastodonController) {
                         elementHandler([action])
@@ -358,21 +358,13 @@ extension MenuActionProvider {
     }
     
     private func addOpenInNewWindow(actions: inout [UIAction], activity: @escaping @autoclosure () -> NSUserActivity) {
-        if #available(iOS 15.0, *) {
+        let options = UIWindowScene.ActivationRequestOptions()
-            let options = UIWindowScene.ActivationRequestOptions()
+        options.preferredPresentationStyle = .automatic
-            options.preferredPresentationStyle = .automatic
+        actions.append(UIWindowScene.ActivationAction { (_) in
-            actions.append(UIWindowScene.ActivationAction { (_) in
+            let activity = activity()
-                let activity = activity()
+            activity.displaysAuxiliaryScene = true
-                activity.displaysAuxiliaryScene = true
+            return .init(userActivity: activity, options: options, preview: nil)
-                return .init(userActivity: activity, options: options, preview: nil)
+        })
-            })
-        } else if UIApplication.shared.supportsMultipleScenes {
-            actions.append(createAction(identifier: "new_window", title: "Open in New Window", systemImageName: "rectangle.badge.plus", handler: { (_) in
-                let activity = activity()
-                activity.displaysAuxiliaryScene = true
-                UIApplication.shared.requestSceneSessionActivation(nil, userActivity: activity, options: nil, errorHandler: nil)
-            }))
-        }
     }
     
     private func followAction(for accountID: String, mastodonController: MastodonController) async -> UIMenuElement? {
@@ -423,13 +415,3 @@ extension SFSafariViewController: CustomPreviewPresenting {
         presenter.present(self, animated: true)
     }
 }
-
-private extension UIDeferredMenuElement {
-    static func uncachedIfPossible(_ elementProvider: @escaping (@escaping ([UIMenuElement]) -> Void) -> Void) -> UIDeferredMenuElement {
-        if #available(iOS 15.0, *) {
-            return UIDeferredMenuElement.uncached(elementProvider)
-        } else {
-            return UIDeferredMenuElement(elementProvider)
-        }
-    }
-}

Tusker/Screens/Utilities/SplitNavigationController.swift

@@ -0,0 +1,262 @@
+//
+//  SplitNavigationController.swift
+//  Tusker
+//
+//  Created by Shadowfacts on 7/1/22.
+//  Copyright © 2022 Shadowfacts. All rights reserved.
+//
+
+import UIKit
+
+class SplitNavigationController: UIViewController {
+    
+    private let rootNav = SplitRootNavigationController()
+    private let secondaryNav = SplitSecondaryNavigationController()
+    private let separatorView = UIView()
+    
+    private var constraints: [NSLayoutConstraint] = []
+    
+    var viewControllers: [UIViewController] {
+        get {
+            return rootNav.viewControllers + secondaryNav.viewControllers
+        }
+        set {
+            if newValue.isEmpty {
+                rootNav.viewControllers = []
+                secondaryNav.viewControllers = []
+            } else if canShowSecondaryNav {
+                var newValue = newValue
+                rootNav.viewControllers = [newValue.removeFirst()]
+                secondaryNav.viewControllers = newValue
+            } else {
+                rootNav.viewControllers = newValue
+                secondaryNav.viewControllers = []
+            }
+            updateSecondaryNavVisibility()
+        }
+    }
+    
+    /// This property is only valid after the view has been laid out.
+    private var canShowSecondaryNav: Bool {
+        // minimum of 360pt for each column
+        // this allows split navigation on all ipads in portrait w/ sidebar hidden and in landscape (regardless of sidebar)
+        (viewIfLoaded?.bounds.width ?? 0) >= 720
+    }
+    
+    init(rootViewController: UIViewController? = nil) {
+        super.init(nibName: nil, bundle: nil)
+        
+        rootNav.showImpl = { [unowned self] vc, sender in
+            if self.canShowSecondaryNav {
+                self.setSecondaryViewControllers([vc], animated: true)
+                
+                // the split nav shouldn't really be reaching down into the inner VCs like this,
+                // but I can't think of a cleaner way
+                if let tableVC = sender as? UITableViewController,
+                   let selectedIndexPath = tableVC.tableView.indexPathForSelectedRow {
+                    tableVC.tableView.deselectRow(at: selectedIndexPath, animated: true)
+                }
+            } else {
+                self.rootNav.pushViewController(vc, animated: true)
+            }
+        }
+        secondaryNav.closeSecondaryImpl = { [unowned self] in
+            self.popToRootViewController(animated: true)
+        }
+        
+        if let rootViewController {
+            rootNav.viewControllers = [rootViewController]
+        }
+    }
+    
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+    
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        
+        embedChild(rootNav, layout: false)
+        embedChild(secondaryNav, layout: false)
+        rootNav.view.translatesAutoresizingMaskIntoConstraints = false
+        secondaryNav.view.translatesAutoresizingMaskIntoConstraints = false
+
+        separatorView.backgroundColor = .separator
+        separatorView.translatesAutoresizingMaskIntoConstraints = false
+        view.addSubview(separatorView)
+        
+        NSLayoutConstraint.activate([
+            rootNav.view.topAnchor.constraint(equalTo: view.topAnchor),
+            rootNav.view.bottomAnchor.constraint(equalTo: view.bottomAnchor),
+            rootNav.view.leadingAnchor.constraint(equalTo: view.leadingAnchor),
+
+            separatorView.topAnchor.constraint(equalTo: view.topAnchor),
+            separatorView.bottomAnchor.constraint(equalTo: view.bottomAnchor),
+            separatorView.leadingAnchor.constraint(equalTo: rootNav.view.trailingAnchor),
+            separatorView.widthAnchor.constraint(equalToConstant: 0.5),
+
+            secondaryNav.view.topAnchor.constraint(equalTo: view.topAnchor),
+            secondaryNav.view.bottomAnchor.constraint(equalTo: view.bottomAnchor),
+            secondaryNav.view.leadingAnchor.constraint(equalTo: separatorView.trailingAnchor),
+        ])
+
+        updateSecondaryNavVisibility()
+    }
+    
+    override func show(_ vc: UIViewController, sender: Any?) {
+        if !canShowSecondaryNav {
+            rootNav.pushViewController(vc, animated: true)
+        } else if rootNav.viewControllers.isEmpty {
+            rootNav.pushViewController(vc, animated: false)
+        } else {
+            secondaryNav.pushViewController(vc, animated: true)
+        }
+        updateSecondaryNavVisibility()
+    }
+    
+    override func traitCollectionDidChange(_ previousTraitCollection: UITraitCollection?) {
+        super.traitCollectionDidChange(previousTraitCollection)
+        
+        
+    }
+    
+    override func viewWillLayoutSubviews() {
+        super.viewWillLayoutSubviews()
+
+        if !isLayingOutForAnimation {
+            updateSecondaryNavVisibility()
+        }
+    }
+    
+    private func updateSecondaryNavVisibility() {
+        guard isViewLoaded else {
+            return
+        }
+        
+        if canShowSecondaryNav {
+            if rootNav.viewControllers.count > 1 {
+                var vcs = rootNav.viewControllers
+                let root = vcs.removeFirst()
+                rootNav.viewControllers = [root]
+                // this shouldn't be necessary since the vcs are removed from their parent vc by setting rootNav.viewControllers
+                // but it doesn't remove the views from their superview (until the next runloop iteration?)
+                // so we need to do that ourselves before we can set them on the secondary nav (otherwise it raises an exception)
+                vcs.forEach { $0.removeViewAndController() }
+                secondaryNav.viewControllers = vcs
+            }
+        } else {
+            if !secondaryNav.viewControllers.isEmpty {
+                let firstSecondary = secondaryNav.viewControllers.first!
+                // remove the left bar button item so that the builtin Back item shows
+                if firstSecondary.navigationItem.leftBarButtonItem?.tag == ViewTags.splitNavCloseSecondaryButton {
+                    firstSecondary.navigationItem.leftBarButtonItem = nil
+                }
+                rootNav.viewControllers.append(contentsOf: secondaryNav.viewControllers)
+                secondaryNav.viewControllers = []
+            }
+        }
+        
+        setSecondaryVisible(canShowSecondaryNav && !secondaryNav.viewControllers.isEmpty)
+    }
+    
+    private func setSecondaryVisible(_ visible: Bool) {
+        guard isViewLoaded else {
+            return
+        }
+        
+        NSLayoutConstraint.deactivate(constraints)
+        if visible {
+            constraints = [
+                rootNav.view.trailingAnchor.constraint(equalTo: view.centerXAnchor),
+                secondaryNav.view.trailingAnchor.constraint(equalTo: view.trailingAnchor),
+            ]
+        } else {
+            constraints = [
+                rootNav.view.trailingAnchor.constraint(equalTo: view.trailingAnchor),
+                secondaryNav.view.widthAnchor.constraint(equalTo: view.widthAnchor, multiplier: 0.5),
+            ]
+        }
+        NSLayoutConstraint.activate(constraints)
+    }
+    
+    private func setSecondaryViewControllers(_ vcs: [UIViewController], animated: Bool) {
+        if animated {
+            if vcs.isEmpty {
+                popToRootViewController(animated: true)
+            } else {
+                let wasVisible = !secondaryNav.viewControllers.isEmpty
+                secondaryNav.viewControllers = vcs
+                secondaryNav.view.frame = CGRect(x: view.bounds.width, y: 0, width: view.bounds.width / 2, height: view.bounds.height)
+                secondaryNav.view.layoutIfNeeded()
+                if !wasVisible {
+                    let animator = UIViewPropertyAnimator(duration: 0.35, curve: .easeInOut) {
+                        self.updateSecondaryNavVisibility()
+                        self.view.layoutIfNeeded()
+                    }
+                    animator.startAnimation()
+                }
+            }
+        } else {
+            secondaryNav.viewControllers = vcs
+            updateSecondaryNavVisibility()
+        }
+    }
+    
+    private var isLayingOutForAnimation = false
+    
+    func popToRootViewController(animated: Bool) {
+        if animated {
+            // we don't update secondaryNav.viewControllers until after the animation is completed
+            // otherwise the secondary nav's contents disappear immediately, rather than sliding off-screen
+            let animator = UIViewPropertyAnimator(duration: 0.35, curve: .easeInOut) {
+                self.isLayingOutForAnimation = true
+                self.setSecondaryVisible(false)
+                self.view.layoutIfNeeded()
+            }
+            animator.addCompletion { _ in
+                self.secondaryNav.viewControllers = []
+                self.isLayingOutForAnimation = false
+//                self.updateSecondaryNavVisibility()
+            }
+            animator.startAnimation()
+        } else {
+            self.secondaryNav.viewControllers = []
+            self.updateSecondaryNavVisibility()
+        }
+    }
+
+}
+
+private class SplitRootNavigationController: UINavigationController {
+    fileprivate var showImpl: ((UIViewController, Any?) -> Void)!
+    
+    override func show(_ vc: UIViewController, sender: Any?) {
+        showImpl(vc, sender)
+    }
+}
+
+private class SplitSecondaryNavigationController: EnhancedNavigationViewController {
+    fileprivate var closeSecondaryImpl: (() -> Void)!
+    
+    override var viewControllers: [UIViewController] {
+        didSet {
+            if let first = viewControllers.first {
+                configureSecondarySplitCloseButton(for: first)
+            }
+        }
+    }
+    
+    private func configureSecondarySplitCloseButton(for viewController: UIViewController) {
+        guard viewController.navigationItem.leftBarButtonItem?.tag != ViewTags.splitNavCloseSecondaryButton else {
+            return
+        }
+        let item = UIBarButtonItem(title: "Close", style: .done, target: self, action: #selector(closeSecondary))
+        item.tag = ViewTags.splitNavCloseSecondaryButton
+        viewController.navigationItem.leftBarButtonItem = item
+    }
+    
+    @objc private func closeSecondary() {
+        closeSecondaryImpl()
+    }
+    
+}

Tusker/Screens/Utilities/UIViewController+Children.swift

@@ -10,7 +10,7 @@ import UIKit
 
 // Based on MVCTodo by Dave DeLong: https://github.com/davedelong/MVCTodo/blob/841649dd6aa31bacda3ad7ef9a9a836f66281e50/MVCTodo/Extensions/UIViewController.swift
 extension UIViewController {
-    func embedChild(_ newChild: UIViewController, in container: UIView? = nil) {
+    func embedChild(_ newChild: UIViewController, in container: UIView? = nil, layout: Bool = true) {
         // if the view controller is already a child of something else, remove it
         if let oldParent = newChild.parent, oldParent != self {
             newChild.beginAppearanceTransition(false, animated: false)
@@ -36,7 +36,7 @@ extension UIViewController {
             newChild.beginAppearanceTransition(true, animated: false)
             addChild(newChild)
             newChild.didMove(toParent: self)
-            targetContainer.embedSubview(newChild.view)
+            targetContainer.embedSubview(newChild.view, layout: layout)
             newChild.endAppearanceTransition()
         } else {
             // the view controller is already a child
@@ -45,7 +45,7 @@ extension UIViewController {
             // we don't do the appearance transition stuff here,
             // because the vc is already a child, so *presumably*
             // that transition stuff has already appened
-            targetContainer.embedSubview(newChild.view)
+            targetContainer.embedSubview(newChild.view, layout: layout)
         }
     }
     
@@ -57,22 +57,25 @@ extension UIViewController {
 
 // Based on MVCTodo by Dave DeLong: https://github.com/davedelong/MVCTodo/blob/841649dd6aa31bacda3ad7ef9a9a836f66281e50/MVCTodo/Extensions/UIView.swift
 extension UIView {
-    func embedSubview(_ subview: UIView) {
+    func embedSubview(_ subview: UIView, layout: Bool = true) {
         if subview.superview == self { return }
         
         if subview.superview != nil {
             subview.removeFromSuperview()
         }
         
-        subview.frame = bounds
         addSubview(subview)
         
-        NSLayoutConstraint.activate([
+        if layout {
-            subview.leadingAnchor.constraint(equalTo: leadingAnchor),
+            subview.frame = bounds
-            subview.trailingAnchor.constraint(equalTo: trailingAnchor),
+            
-            subview.topAnchor.constraint(equalTo: topAnchor),
+            NSLayoutConstraint.activate([
-            subview.bottomAnchor.constraint(equalTo: bottomAnchor)
+                subview.leadingAnchor.constraint(equalTo: leadingAnchor),
+                subview.trailingAnchor.constraint(equalTo: trailingAnchor),
+                subview.topAnchor.constraint(equalTo: topAnchor),
+                subview.bottomAnchor.constraint(equalTo: bottomAnchor)
             ])
+        }
     }
     
     func isContainedWithin(_ other: UIView) -> Bool {

Tusker/TuskerNavigationDelegate.swift

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

Tusker/ViewTags.swift

@@ -16,4 +16,5 @@ struct ViewTags {
     static let navBackBarButton = 42003
     static let navForwardBarButton = 42004
     static let navEmptyTitleView = 42005
+    static let splitNavCloseSecondaryButton = 42006
 }

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

@@ -23,15 +23,13 @@ class ConfirmLoadMoreTableViewCell: UITableViewCell {
     override func awakeFromNib() {
         super.awakeFromNib()
         
-        if #available(iOS 15.0, *) {
+        var config = UIButton.Configuration.tinted()
-            var config = UIButton.Configuration.tinted()
+        config.title = "Load More"
-            config.title = "Load More"
+        config.showsActivityIndicator = false
-            config.showsActivityIndicator = false
+        config.imagePadding = 4
-            config.imagePadding = 4
+        confirmButton.configuration = config
-            confirmButton.configuration = config
+        confirmButton.configurationUpdateHandler = { [unowned self] button in
-            confirmButton.configurationUpdateHandler = { [unowned self] button in
+            button.configuration?.showsActivityIndicator = self.isLoading
-                button.configuration?.showsActivityIndicator = self.isLoading
-            }
         }
     }
     
@@ -39,17 +37,13 @@ class ConfirmLoadMoreTableViewCell: UITableViewCell {
         super.prepareForReuse()
         
         isLoading = false
-        if #available(iOS 15.0, *) {
+        confirmButton.setNeedsUpdateConfiguration()
-            confirmButton.setNeedsUpdateConfiguration()
-        }
     }
     
     @IBAction func loadMorePressed(_ sender: Any) {
         confirmLoadMore?()
-        if #available(iOS 15.0, *) {
+        isLoading = true
-            isLoading = true
+        confirmButton.setNeedsUpdateConfiguration()
-            confirmButton.setNeedsUpdateConfiguration()
-        }
     }
     
 }

Tusker/Views/Hashtag Cell/TrendingHashtagCollectionViewCell.swift

@@ -0,0 +1,80 @@
+//
+//  TrendingHashtagCollectionViewCell.swift
+//  Tusker
+//
+//  Created by Shadowfacts on 6/29/22.
+//  Copyright © 2022 Shadowfacts. All rights reserved.
+//
+
+import UIKit
+import Pachyderm
+
+class TrendingHashtagCollectionViewCell: UICollectionViewCell {
+    
+    private let hashtagLabel = UILabel()
+    private let peopleTodayLabel = UILabel()
+    private let historyView = TrendHistoryView()
+    
+    override init(frame: CGRect) {
+        super.init(frame: frame)
+        
+        backgroundColor = .systemBackground
+        
+        hashtagLabel.font = .preferredFont(forTextStyle: .title2)
+        peopleTodayLabel.font = .preferredFont(forTextStyle: .caption1)
+        
+        let vStack = UIStackView(arrangedSubviews: [
+            hashtagLabel,
+            peopleTodayLabel,
+        ])
+        vStack.axis = .vertical
+        vStack.alignment = .fill
+        vStack.distribution = .fill
+        vStack.spacing = 0
+        
+        let hStack = UIStackView(arrangedSubviews: [
+            vStack,
+            historyView,
+        ])
+        hStack.axis = .horizontal
+        hStack.alignment = .center
+        hStack.distribution = .fill
+        hStack.spacing = 8
+        hStack.translatesAutoresizingMaskIntoConstraints = false
+        addSubview(hStack)
+        
+        NSLayoutConstraint.activate([
+            hStack.leadingAnchor.constraint(equalToSystemSpacingAfter: leadingAnchor, multiplier: 1),
+            trailingAnchor.constraint(equalToSystemSpacingAfter: hStack.trailingAnchor, multiplier: 1),
+            hStack.topAnchor.constraint(equalTo: topAnchor, constant: 8),
+            hStack.bottomAnchor.constraint(equalTo: bottomAnchor, constant: -8),
+            
+            historyView.widthAnchor.constraint(equalToConstant: 100),
+            historyView.heightAnchor.constraint(equalToConstant: 44),
+        ])
+    }
+    
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+    
+    func updateUI(hashtag: Hashtag) {
+        hashtagLabel.text = "#\(hashtag.name)"
+        historyView.setHistory(hashtag.history)
+        historyView.isHidden = hashtag.history == nil || hashtag.history!.count < 2
+        
+        if let history = hashtag.history {
+            let sorted = history.sorted(by: { $0.day < $1.day })
+            let lastTwo = sorted[(sorted.count - 2)...]
+            let accounts = lastTwo.map(\.accounts).reduce(0, +)
+            let uses = lastTwo.map(\.uses).reduce(0, +)
+            
+            let format = NSLocalizedString("trending hashtag info", comment: "trending hashtag posts and people")
+            peopleTodayLabel.text = String.localizedStringWithFormat(format, accounts, uses)
+            peopleTodayLabel.isHidden = false
+        } else {
+            peopleTodayLabel.isHidden = true
+        }
+    }
+    
+}

Tusker/Views/Hashtag Cell/TrendingHashtagTableViewCell.swift

@@ -1,41 +0,0 @@
-//
-//  TrendingHashtagTableViewCell.swift
-//  Tusker
-//
-//  Created by Shadowfacts on 1/24/21.
-//  Copyright © 2021 Shadowfacts. All rights reserved.
-//
-
-import UIKit
-import Pachyderm
-
-class TrendingHashtagTableViewCell: UITableViewCell {
-
-    @IBOutlet weak var hashtagLabel: UILabel!
-    @IBOutlet weak var peopleTodayLabel: UILabel!
-    @IBOutlet weak var historyView: TrendHistoryView!
-    
-    override func awakeFromNib() {
-        super.awakeFromNib()
-    }
-    
-    func updateUI(hashtag: Hashtag) {
-        hashtagLabel.text = "#\(hashtag.name)"
-        historyView.setHistory(hashtag.history)
-        historyView.isHidden = hashtag.history == nil || hashtag.history!.count < 2
-        
-        if let history = hashtag.history {
-            let sorted = history.sorted(by: { $0.day < $1.day })
-            let lastTwo = sorted[(sorted.count - 2)...]
-            let accounts = lastTwo.map(\.accounts).reduce(0, +)
-            let uses = lastTwo.map(\.uses).reduce(0, +)
-            
-            let format = NSLocalizedString("trending hashtag info", comment: "trending hashtag posts and people")
-            peopleTodayLabel.text = String.localizedStringWithFormat(format, accounts, uses)
-            peopleTodayLabel.isHidden = false
-        } else {
-            peopleTodayLabel.isHidden = true
-        }
-    }
-    
-}

Tusker/Views/Hashtag Cell/TrendingHashtagTableViewCell.xib

@@ -1,67 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="20037" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES">
-    <device id="retina6_1" orientation="portrait" appearance="light"/>
-    <dependencies>
-        <deployment identifier="iOS"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="20020"/>
-        <capability name="Safe area layout guides" minToolsVersion="9.0"/>
-        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
-    </dependencies>
-    <objects>
-        <placeholder placeholderIdentifier="IBFilesOwner" id="-1" userLabel="File's Owner"/>
-        <placeholder placeholderIdentifier="IBFirstResponder" id="-2" customClass="UIResponder"/>
-        <tableViewCell contentMode="scaleToFill" selectionStyle="default" indentationWidth="10" id="KGk-i7-Jjw" customClass="TrendingHashtagTableViewCell" customModule="Tusker" customModuleProvider="target">
-            <rect key="frame" x="0.0" y="0.0" width="320" height="66"/>
-            <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
-            <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="KGk-i7-Jjw" id="H2p-sc-9uM">
-                <rect key="frame" x="0.0" y="0.0" width="320" height="66"/>
-                <autoresizingMask key="autoresizingMask"/>
-                <subviews>
-                    <stackView opaque="NO" contentMode="scaleToFill" alignment="center" spacing="8" translatesAutoresizingMaskIntoConstraints="NO" id="tEP-en-vHK">
-                        <rect key="frame" x="16" y="0.0" width="288" height="66"/>
-                        <subviews>
-                            <stackView opaque="NO" contentMode="scaleToFill" axis="vertical" translatesAutoresizingMaskIntoConstraints="NO" id="iCc-do-llt">
-                                <rect key="frame" x="0.0" y="15" width="180" height="36.5"/>
-                                <subviews>
-                                    <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="#hashtag" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="SIS-9e-Paj">
-                                        <rect key="frame" x="0.0" y="0.0" width="180" height="23"/>
-                                        <fontDescription key="fontDescription" style="UICTFontTextStyleTitle2"/>
-                                        <nil key="textColor"/>
-                                        <nil key="highlightedColor"/>
-                                    </label>
-                                    <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="6 people today" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="Kc5-BL-bmu">
-                                        <rect key="frame" x="0.0" y="23" width="180" height="13.5"/>
-                                        <fontDescription key="fontDescription" style="UICTFontTextStyleCaption1"/>
-                                        <nil key="textColor"/>
-                                        <nil key="highlightedColor"/>
-                                    </label>
-                                </subviews>
-                            </stackView>
-                            <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="Xrw-2v-ybZ" customClass="TrendHistoryView" customModule="Tusker" customModuleProvider="target">
-                                <rect key="frame" x="188" y="11" width="100" height="44"/>
-                                <color key="backgroundColor" white="0.0" alpha="0.0" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
-                                <constraints>
-                                    <constraint firstAttribute="height" constant="44" id="W4C-uw-zWg"/>
-                                    <constraint firstAttribute="width" constant="100" id="XHb-vd-qNk"/>
-                                </constraints>
-                            </view>
-                        </subviews>
-                    </stackView>
-                </subviews>
-                <constraints>
-                    <constraint firstItem="tEP-en-vHK" firstAttribute="top" secondItem="H2p-sc-9uM" secondAttribute="top" id="3Qd-rF-nGk"/>
-                    <constraint firstAttribute="trailingMargin" secondItem="tEP-en-vHK" secondAttribute="trailing" id="Ws6-oZ-9Es"/>
-                    <constraint firstItem="tEP-en-vHK" firstAttribute="leading" secondItem="H2p-sc-9uM" secondAttribute="leadingMargin" id="if4-Ea-awg"/>
-                    <constraint firstAttribute="bottom" secondItem="tEP-en-vHK" secondAttribute="bottom" id="nTV-Ih-vTj"/>
-                </constraints>
-            </tableViewCellContentView>
-            <viewLayoutGuide key="safeArea" id="njF-e1-oar"/>
-            <connections>
-                <outlet property="hashtagLabel" destination="SIS-9e-Paj" id="1UK-Va-3rL"/>
-                <outlet property="historyView" destination="Xrw-2v-ybZ" id="OIh-K9-gSk"/>
-                <outlet property="peopleTodayLabel" destination="Kc5-BL-bmu" id="5L8-aO-zt4"/>
-            </connections>
-            <point key="canvasLocation" x="132" y="132"/>
-        </tableViewCell>
-    </objects>
-</document>

Tusker/Views/Timeline Description Cell/PublicTimelineDescriptionTableViewCell.swift

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

Tusker/Views/TrendHistoryView.swift

@@ -42,7 +42,10 @@ class TrendHistoryView: UIView {
     
     private func createLayers() {
         guard let history = history,
-              history.count >= 2 else { return }
+              history.count >= 2,
+              !bounds.isEmpty else {
+            return
+        }
         
         let maxUses = history.max(by: { $0.uses < $1.uses })!.uses