Remove some no-longer-needed #available checks.

iOS/Feeds/Cell/FeedTableViewCell.swift

@@ -191,15 +191,16 @@ private extension FeedTableViewCell {
 	}
 
 	func addDisclosureView() {
+
 		disclosureButton = NonIntrinsicButton(type: .roundedRect)
+		
 		disclosureButton!.addTarget(self, action: #selector(buttonPressed(_:)), for: UIControl.Event.touchUpInside)
 		disclosureButton?.setImage(AppAssets.disclosureImage, for: .normal)
 		disclosureButton?.tintColor = AppAssets.controlBackgroundColor
 		disclosureButton?.imageView?.contentMode = .center
 		disclosureButton?.imageView?.clipsToBounds = false
-		if #available(iOS 13.4, *) {
 		disclosureButton?.addInteraction(UIPointerInteraction())
-		}
+
 		addSubviewAtInit(disclosureButton!)
 	}
 	

iOS/Feeds/Cell/FeedTableViewSectionHeader.swift

@@ -84,14 +84,15 @@ class FeedTableViewSectionHeader: UITableViewHeaderFooterView {
 	private let unreadCountView = FeedUnreadCountView(frame: CGRect.zero)
 
 	private lazy var disclosureButton: UIButton = {
+
 		let button = NonIntrinsicButton()
+
 		button.tintColor = UIColor.tertiaryLabel
 		button.setImage(AppAssets.disclosureImage, for: .normal)
 		button.contentMode = .center
-		if #available(iOS 13.4, *) {
 		button.addInteraction(UIPointerInteraction())
-		}
 		button.addTarget(self, action: #selector(toggleDisclosure), for: .touchUpInside)
+		
 		return button
 	}()
 

iOS/Feeds/FeedsViewController.swift

@@ -19,11 +19,7 @@ class FeedsViewController: UITableViewController, UndoableCommandRunner {
 	private var refreshProgressView: RefreshProgressView?
 	@IBOutlet weak var addNewItemButton: UIBarButtonItem! {
 		didSet {
-			if #available(iOS 14, *) {
 			addNewItemButton.primaryAction = nil
-			} else {
-				addNewItemButton.action = #selector(FeedsViewController.add(_:))
-			}
 		}
 	}
 
@@ -428,40 +424,6 @@ class FeedsViewController: UITableViewController, UndoableCommandRunner {
 		coordinator.toggleReadFeedsFilter()
 	}
 	
-	@IBAction func add(_ sender: UIBarButtonItem) {
-		
-		if #available(iOS 14, *) {
-			
-		} else {
-			let title = NSLocalizedString("Add Item", comment: "Add Item")
-			let alertController = UIAlertController(title: title, message: nil, preferredStyle: .actionSheet)
-			
-			let cancelTitle = NSLocalizedString("Cancel", comment: "Cancel")
-			let cancelAction = UIAlertAction(title: cancelTitle, style: .cancel)
-			
-			let addFeedActionTitle = NSLocalizedString("Add Web Feed", comment: "Add Web Feed")
-			let addFeedAction = UIAlertAction(title: addFeedActionTitle, style: .default) { _ in
-				self.coordinator.showAddFeed()
-			}
-			
-			let addFolderActionTitle = NSLocalizedString("Add Folder", comment: "Add Folder")
-			let addFolderAction = UIAlertAction(title: addFolderActionTitle, style: .default) { _ in
-				self.coordinator.showAddFolder()
-			}
-			
-			alertController.addAction(addFeedAction)
-			
-			alertController.addAction(addFolderAction)
-			alertController.addAction(cancelAction)
-			
-			alertController.popoverPresentationController?.barButtonItem = sender
-
-			present(alertController, animated: true)
-		}
-		
-		
-	}
-	
 	@objc func toggleSectionHeader(_ sender: UITapGestureRecognizer) {
 		guard let headerView = sender.view as? FeedTableViewSectionHeader else {
 			return
@@ -622,9 +584,7 @@ class FeedsViewController: UITableViewController, UndoableCommandRunner {
 		configureContextMenu()
 	}
 	
-	@objc
+	@objc func configureContextMenu(_: Any? = nil) {
-	func configureContextMenu(_: Any? = nil) {
-		if #available(iOS 14.0, *) {
 
 		/*
 		 Context Menu Order:
@@ -651,7 +611,6 @@ class FeedsViewController: UITableViewController, UndoableCommandRunner {
 
 		self.addNewItemButton.menu = contextMenu
 	}
-	}
 
 	func focus() {
 		becomeFirstResponder()

iOS/Timeline/TimelineTitleView.swift

@@ -34,19 +34,14 @@ class TimelineTitleView: UIView {
 	func buttonize() {
 		heightAnchor.constraint(equalToConstant: 40.0).isActive = true
 		accessibilityTraits = .button
-		if #available(iOS 13.4, *) {
 		addInteraction(pointerInteraction)
 	}
-	}
 	
 	func debuttonize() {
 		heightAnchor.constraint(equalToConstant: 40.0).isActive = true
 		accessibilityTraits.remove(.button)
-		if #available(iOS 13.4, *) {
 		removeInteraction(pointerInteraction)
 	}
-	}
-	
 }
 
 extension TimelineTitleView: UIPointerInteractionDelegate {
@@ -58,5 +53,4 @@ extension TimelineTitleView: UIPointerInteractionDelegate {
 
 		return UIPointerStyle(effect: .automatic(UITargetedPreview(view: self)), shape: .roundedRect(rect))
 	}
-	
 }

iOS/Timeline/TimelineViewController.swift

@@ -101,15 +101,12 @@ class TimelineViewController: UITableViewController, UndoableCommandRunner {
 		}
 
 		// Disable swipe back on iPad Mice
-		if #available(iOS 13.4, *) {
 		guard let gesture = self.navigationController?.interactivePopGestureRecognizer as? UIPanGestureRecognizer else {
 			return
 		}
 		gesture.allowedScrollTypesMask = []
 	}
 
-	}
-	
 	override func viewWillAppear(_ animated: Bool) {
 		// If the nav bar is hidden, fade it in to avoid it showing stuff as it is getting laid out
 		if navigationController?.navigationBar.isHidden ?? false {
@@ -525,12 +522,7 @@ class TimelineViewController: UITableViewController, UndoableCommandRunner {
 	}
 
 	@objc private func reloadAllVisibleCells() {
-		if #available(iOS 15, *) {
 		reconfigureCells(coordinator.articles)
-		} else {
-			let visibleArticles = tableView.indexPathsForVisibleRows!.compactMap { return dataSource.itemIdentifier(for: $0) }
-			reloadCells(visibleArticles)
-		}
 	}
 	
 	private func reloadCells(_ articles: [Article]) {
@@ -542,9 +534,10 @@ class TimelineViewController: UITableViewController, UndoableCommandRunner {
 	}
 
 	private func reconfigureCells(_ articles: [Article]) {
-		guard #available(iOS 15, *) else { return }
+
 		var snapshot = dataSource.snapshot()
 		snapshot.reconfigureItems(articles)
+		
 		dataSource.apply(snapshot, animatingDifferences: false) { [weak self] in
 			self?.restoreSelectionIfNecessary(adjustScroll: false)
 		}