Fix several iOS 17 deprecation warnings.

iOS/AppDelegate.swift

@@ -51,7 +51,7 @@ class AppDelegate: UIResponder, UIApplicationDelegate, UNUserNotificationCenterD
 		didSet {
 			if unreadCount != oldValue {
 				postUnreadCountDidChangeNotification()
-				UIApplication.shared.applicationIconBadgeNumber = unreadCount
+				UNUserNotificationCenter.current().setBadgeCount(unreadCount)
 			}
 		}
 	}
@@ -196,7 +196,7 @@ class AppDelegate: UIResponder, UIApplicationDelegate, UNUserNotificationCenterD
 	}
 	
     func userNotificationCenter(_ center: UNUserNotificationCenter, willPresent notification: UNNotification, withCompletionHandler completionHandler: @escaping (UNNotificationPresentationOptions) -> Void) {
-        completionHandler([.alert, .badge, .sound])
+		completionHandler([.list, .banner, .badge, .sound])
     }
 	
     func userNotificationCenter(_ center: UNUserNotificationCenter, didReceive response: UNNotificationResponse, withCompletionHandler completionHandler: @escaping () -> Void) {

iOS/Article/PreloadedWebView.swift

@@ -17,10 +17,10 @@ class PreloadedWebView: WKWebView {
 	init(articleIconSchemeHandler: ArticleIconSchemeHandler) {
 		let preferences = WKPreferences()
 		preferences.javaScriptCanOpenWindowsAutomatically = false
-		preferences.javaScriptEnabled = true
 
 		let configuration = WKWebViewConfiguration()
 		configuration.preferences = preferences
+		configuration.defaultWebpagePreferences.allowsContentJavaScript = true
 		configuration.setValue(true, forKey: "allowUniversalAccessFromFileURLs")
 		configuration.allowsInlineMediaPlayback = true
 		configuration.mediaTypesRequiringUserActionForPlayback = .audio

iOS/MasterFeed/MasterFeedViewController+Drag.swift

@@ -9,6 +9,7 @@
 import UIKit
 import MobileCoreServices
 import Account
+import UniformTypeIdentifiers
 
 extension MasterFeedViewController: UITableViewDragDelegate {
 	
@@ -20,7 +21,7 @@ extension MasterFeedViewController: UITableViewDragDelegate {
 		let data = feed.url.data(using: .utf8)
 		let itemProvider = NSItemProvider()
 		  
-		itemProvider.registerDataRepresentation(forTypeIdentifier: kUTTypeURL as String, visibility: .ownProcess) { completion in
+		itemProvider.registerDataRepresentation(forTypeIdentifier: UTType.url.identifier, visibility: .ownProcess) { completion in
 			completion(data, nil)
 			return nil
 		}

iOS/SceneCoordinator.swift

@@ -332,7 +332,7 @@ class SceneCoordinator: NSObject, UndoableCommandRunner {
 	func start(for size: CGSize) -> UIViewController {
 		rootSplitViewController = RootSplitViewController()
 		rootSplitViewController.coordinator = self
-		rootSplitViewController.preferredDisplayMode = .allVisible
+		rootSplitViewController.preferredDisplayMode = .oneBesideSecondary
 		rootSplitViewController.viewControllers = [InteractiveNavigationController.template()]
 		rootSplitViewController.delegate = self
 		
@@ -1304,7 +1304,7 @@ class SceneCoordinator: NSObject, UndoableCommandRunner {
 	}
 
 	func toggleSidebar() {
-		rootSplitViewController.preferredDisplayMode = rootSplitViewController.displayMode == .allVisible ? .primaryHidden : .allVisible
+		rootSplitViewController.preferredDisplayMode = rootSplitViewController.displayMode == .oneBesideSecondary ? .secondaryOnly : .oneBesideSecondary
 	}
 	
 	func selectArticleInCurrentFeed(_ articleID: String, isShowingExtractedArticle: Bool? = nil, articleWindowScrollY: Int? = nil) {
@@ -2161,7 +2161,7 @@ private extension SceneCoordinator {
 		rootSplitViewController.preferredPrimaryColumnWidthFraction = 0.30
 		
 		subSplitViewController = UISplitViewController()
-		subSplitViewController!.preferredDisplayMode = .allVisible
+		subSplitViewController!.preferredDisplayMode = .oneBesideSecondary
 		subSplitViewController!.viewControllers = [InteractiveNavigationController.template()]
 		subSplitViewController!.preferredPrimaryColumnWidthFraction = 0.4285
 		

iOS/Settings/SettingsViewController.swift

@@ -11,6 +11,7 @@ import Account
 import CoreServices
 import SafariServices
 import SwiftUI
+import UniformTypeIdentifiers
 
 class SettingsViewController: UITableViewController {
 
@@ -418,19 +419,10 @@ private extension SettingsViewController {
 	
 	func importOPMLDocumentPicker() {
 		
-		let utiArray = UTTypeCreateAllIdentifiersForTag(kUTTagClassFilenameExtension, "opml" as NSString, nil)?.takeRetainedValue() as? [String] ?? [String]()
-
-		var opmlUTIs = utiArray
-			.compactMap({ UTTypeCopyDeclaration($0 as NSString)?.takeUnretainedValue() as? [String: Any] })
-			.reduce([String]()) { (result, dict) in
-				return result + dict.values.compactMap({ $0 as? String })
-			}
-		opmlUTIs.append("public.xml")
-		
-		let docPicker = UIDocumentPickerViewController(documentTypes: opmlUTIs, in: .import)
-		docPicker.delegate = self
-		docPicker.modalPresentationStyle = .formSheet
-		self.present(docPicker, animated: true)
+		let documentPicker = UIDocumentPickerViewController(forOpeningContentTypes: [UTType.opml, UTType.xml], asCopy: true)
+		documentPicker.delegate = self
+		documentPicker.modalPresentationStyle = .formSheet
+		self.present(documentPicker, animated: true)
 	}
 	
 	func exportOPML(sourceView: UIView, sourceRect: CGRect) {