diff --git a/lib/app.dart b/lib/app.dart
index 9af2a2a5..6972a28f 100644
--- a/lib/app.dart
+++ b/lib/app.dart
@@ -8,6 +8,7 @@ import 'package:flutter_checklist/checklist.dart';
 import 'package:flutter_fgbg/flutter_fgbg.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 
+import 'common/actions/backup.dart';
 import 'common/constants/constants.dart';
 import 'common/enums/supported_language.dart';
 import 'common/extensions/locale_extension.dart';
@@ -21,6 +22,7 @@ import 'providers/labels/labels_list/labels_list_provider.dart';
 import 'providers/labels/labels_navigation/labels_navigation_provider.dart';
 import 'providers/notifiers/notifiers.dart';
 import 'providers/preferences/preferences_provider.dart';
+import 'services/backup/auto_backup_service.dart';
 
 /// MaterialNotes application.
 class App extends ConsumerStatefulWidget {
@@ -53,9 +55,14 @@ class _AppState extends ConsumerState<App> with AfterLayoutMixin<App> {
   }
 
   @override
-  FutureOr<void> afterFirstLayout(BuildContext context) {
+  Future<void> afterFirstLayout(BuildContext context) async {
     // Using the context provided by afterFirstLayout doesn't work
     SystemUtils().setQuickActions(rootNavigatorKey.currentContext!);
+
+    // If the backup directory is still the default, ask to select it
+    if (await AutoExportUtils().isAutoExportDirectoryDefault) {
+      await requireBackupDirectory(rootNavigatorKey.currentContext!);
+    }
   }
 
   @override
diff --git a/lib/common/actions/authentication.dart b/lib/common/actions/authentication.dart
new file mode 100644
index 00000000..2cde58c0
--- /dev/null
+++ b/lib/common/actions/authentication.dart
@@ -0,0 +1,53 @@
+import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart';
+import 'package:local_auth/local_auth.dart';
+import 'package:restart_app/restart_app.dart';
+
+import '../constants/constants.dart';
+import '../extensions/build_context_extension.dart';
+import '../preferences/preference_key.dart';
+import '../ui/snack_bar_utils.dart';
+
+/// Asks the user to authenticate for the specified [reason] using the device lock method.
+Future<bool> authenticate(BuildContext context, {required String reason}) async {
+  final localAuthentication = LocalAuthentication();
+
+  final canAuthenticate = await localAuthentication.isDeviceSupported();
+
+  // If the device has no authentication methods available,
+  // disable the app lock and restart it to remove the lock screen
+  if (!canAuthenticate) {
+    await PreferenceKey.lockApp.set(false);
+
+    // The Restart package crashes the app if used in debug mode
+    if (kReleaseMode) {
+      await Restart.restartApp();
+    }
+
+    return false;
+  }
+
+  bool authenticated;
+  try {
+    authenticated = await localAuthentication.authenticate(localizedReason: reason);
+  } on LocalAuthException catch (exception) {
+    if (exception.code != LocalAuthExceptionCode.userCanceled) {
+      logger.w("Authentication failed", exception);
+    }
+
+    authenticated = false;
+  }
+
+  // The authentication failed
+  if (!authenticated) {
+    if (!context.mounted) {
+      return false;
+    }
+
+    SnackBarUtils().show(context, text: context.l.snack_bar_authentication_failed);
+
+    return false;
+  }
+
+  return true;
+}
diff --git a/lib/common/actions/backup.dart b/lib/common/actions/backup.dart
new file mode 100644
index 00000000..43e5ef28
--- /dev/null
+++ b/lib/common/actions/backup.dart
@@ -0,0 +1,33 @@
+import 'package:flutter/material.dart';
+
+import '../../services/backup/auto_backup_service.dart';
+import '../dialogs/require_backup_dialog.dart';
+import '../files/files_utils.dart';
+import '../preferences/preference_key.dart';
+
+/// Requires the user to select a backup directory.
+Future<void> requireBackupDirectory(BuildContext context) async {
+  final select = await showAdaptiveDialog<bool>(
+    context: context,
+    useRootNavigator: false,
+    builder: (context) => RequireBackupDialog(),
+  );
+
+  if (select == null || !select) {
+    return;
+  }
+
+  await selectBackupDirectory();
+}
+
+/// Asks the user to select a backup directory.
+Future<void> selectBackupDirectory() async {
+  final autoExportDirectory = await selectDirectory();
+
+  if (autoExportDirectory == null) {
+    return;
+  }
+
+  await PreferenceKey.autoExportDirectory.set(autoExportDirectory);
+  await AutoExportUtils().setAutoExportDirectory();
+}
diff --git a/lib/common/actions/labels/delete.dart b/lib/common/actions/labels/delete.dart
index 6473bb59..ff65db37 100644
--- a/lib/common/actions/labels/delete.dart
+++ b/lib/common/actions/labels/delete.dart
@@ -5,6 +5,7 @@ import '../../../models/label/label.dart';
 import '../../../providers/labels/labels/labels_provider.dart';
 import '../../dialogs/confirmation_dialog.dart';
 import '../../extensions/build_context_extension.dart';
+import '../authentication.dart';
 import 'select.dart';
 
 /// Deletes the [label].
@@ -23,6 +24,19 @@ Future<bool> deleteLabel(BuildContext context, WidgetRef ref, {required Label la
     return false;
   }
 
+  if (!context.mounted) {
+    return false;
+  }
+
+  // If required, ask for authentication
+  if (label.requiresAuthentication) {
+    final authenticated = await authenticate(context, reason: context.l.lock_page_reason_action);
+
+    if (!authenticated) {
+      return false;
+    }
+  }
+
   return await ref.read(labelsProvider.notifier).delete([label]);
 }
 
@@ -42,6 +56,20 @@ Future<bool> deleteLabels(BuildContext context, WidgetRef ref, {required List<La
     return false;
   }
 
+  if (!context.mounted) {
+    return false;
+  }
+
+  // If required, ask for authentication
+  final requiresAuthentication = labels.any((label) => label.requiresAuthentication);
+  if (requiresAuthentication) {
+    final authenticated = await authenticate(context, reason: context.l.lock_page_reason_action);
+
+    if (!authenticated) {
+      return false;
+    }
+  }
+
   final succeeded = await ref.read(labelsProvider.notifier).delete(labels);
 
   if (context.mounted) {
diff --git a/lib/common/actions/labels/lock.dart b/lib/common/actions/labels/lock.dart
index 2d6705c7..fc4dfea1 100644
--- a/lib/common/actions/labels/lock.dart
+++ b/lib/common/actions/labels/lock.dart
@@ -1,23 +1,18 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
-import 'package:local_auth/local_auth.dart';
 
 import '../../../models/label/label.dart';
 import '../../../providers/labels/labels/labels_provider.dart';
 import '../../extensions/build_context_extension.dart';
-import '../../preferences/preference_key.dart';
+import '../authentication.dart';
 import 'select.dart';
 
 /// Toggles whether the [labels] are locked.
 Future<bool> toggleLockLabels(BuildContext context, WidgetRef ref, {required List<Label> labels}) async {
-  final lockLabelPreference = PreferenceKey.lockLabel.preferenceOrDefault;
-  final anyLocked = labels.any((label) => label.locked);
-
-  // If the lock label setting is enabled and a label was locked, then ask to authenticate
-  if (lockLabelPreference && anyLocked) {
-    final bool authenticated = await LocalAuthentication().authenticate(
-      localizedReason: context.l.lock_page_reason_action,
-    );
+  // If required, ask for authentication
+  final requiresAuthentication = labels.any((label) => label.requiresAuthentication);
+  if (requiresAuthentication) {
+    final authenticated = await authenticate(context, reason: context.l.lock_page_reason_action);
 
     if (!authenticated) {
       return false;
diff --git a/lib/common/actions/notes/labels.dart b/lib/common/actions/notes/labels.dart
index 1e5520ad..0735c5d5 100644
--- a/lib/common/actions/notes/labels.dart
+++ b/lib/common/actions/notes/labels.dart
@@ -44,6 +44,9 @@ Future<List<Label>?> selectLabels(BuildContext context, WidgetRef ref, {required
       .editLabels(note, selectedLabels);
 
   currentNoteNotifier.value = note;
+  // Forcefully notify the listeners
+  // because the note object as been modified in memory
+  currentNoteNotifier.notify();
 
   return selectedLabels;
 }
diff --git a/lib/common/actions/notes/lock.dart b/lib/common/actions/notes/lock.dart
index 6be84d40..df4e65a9 100644
--- a/lib/common/actions/notes/lock.dart
+++ b/lib/common/actions/notes/lock.dart
@@ -1,35 +1,23 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
-import 'package:local_auth/local_auth.dart';
 
 import '../../../models/note/note.dart';
 import '../../../models/note/note_status.dart';
 import '../../../providers/notes/notes_provider.dart';
 import '../../../providers/notifiers/notifiers.dart';
 import '../../extensions/build_context_extension.dart';
-import '../../preferences/preference_key.dart';
+import '../authentication.dart';
 import 'select.dart';
 
 /// Toggles whether the [notes] are locked.
-Future<bool> toggleLockNotes(
-  BuildContext context,
-  WidgetRef ref, {
-  required List<Note> notes,
-  bool requireAuthentication = false,
-}) async {
-  if (requireAuthentication) {
-    final lockNotePreference = PreferenceKey.lockNote.preferenceOrDefault;
-    final anyLocked = notes.any((note) => note.locked);
+Future<bool> toggleLockNotes(BuildContext context, WidgetRef ref, {required List<Note> notes}) async {
+  // If required, ask for authentication
+  final requiresAuthentication = notes.any((note) => note.requiresAuthentication);
+  if (requiresAuthentication) {
+    final authenticated = await authenticate(context, reason: context.l.lock_page_reason_action);
 
-    // If the lock note setting is enabled and a note was locked, then ask to authenticate
-    if (lockNotePreference && anyLocked) {
-      final bool authenticated = await LocalAuthentication().authenticate(
-        localizedReason: context.l.lock_page_reason_action,
-      );
-
-      if (!authenticated) {
-        return false;
-      }
+    if (!authenticated) {
+      return false;
     }
   }
 
diff --git a/lib/common/dialogs/require_backup_dialog.dart b/lib/common/dialogs/require_backup_dialog.dart
new file mode 100644
index 00000000..75166bbc
--- /dev/null
+++ b/lib/common/dialogs/require_backup_dialog.dart
@@ -0,0 +1,28 @@
+import 'package:flutter/material.dart';
+
+import '../extensions/build_context_extension.dart';
+
+/// Require backup dialog.
+class RequireBackupDialog extends StatelessWidget {
+  /// Dialog to require the user to select a backup location.
+  const RequireBackupDialog({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return AlertDialog.adaptive(
+      title: Text(context.l.dialog_require_backup_title),
+      content: SingleChildScrollView(child: Column(children: [Text(context.l.dialog_require_backup_description)])),
+      actions: [
+        TextButton(
+          onPressed: () => Navigator.pop(context, false),
+          style: TextButton.styleFrom(foregroundColor: Theme.of(context).colorScheme.error),
+          child: Text(context.l.dialog_require_backup_ignore),
+        ),
+        FilledButton(
+          onPressed: () => Navigator.pop(context, true),
+          child: Text(context.l.dialog_require_backup_select),
+        ),
+      ],
+    );
+  }
+}
diff --git a/lib/common/navigation/side_navigation.dart b/lib/common/navigation/side_navigation.dart
index 1353e0c1..a6807ba0 100644
--- a/lib/common/navigation/side_navigation.dart
+++ b/lib/common/navigation/side_navigation.dart
@@ -56,9 +56,9 @@ class _SideNavigationState extends ConsumerState<SideNavigation> {
       } else if (route == NavigationRoute.settings.name) {
         index = labels.length + 4;
       } else if (labels.isNotEmpty) {
-        labels.forEachIndexed((index, label) {
+        labels.forEachIndexed((i, label) {
           if (route == NavigationRoute.getLabelRouteName(label)) {
-            index = index + 1;
+            index = i + 1;
           }
         });
       } else {
diff --git a/lib/common/preferences/enums/swipe_actions/available_swipe_action.dart b/lib/common/preferences/enums/swipe_actions/available_swipe_action.dart
index 555afd7d..7fa7866f 100644
--- a/lib/common/preferences/enums/swipe_actions/available_swipe_action.dart
+++ b/lib/common/preferences/enums/swipe_actions/available_swipe_action.dart
@@ -186,7 +186,7 @@ enum AvailableSwipeAction {
         return false;
       case lock:
       case unlock:
-        await toggleLockNotes(context, ref, notes: [note], requireAuthentication: true);
+        await toggleLockNotes(context, ref, notes: [note]);
         return false;
       case archive:
         return await archiveNote(context, ref, note: note);
diff --git a/lib/l10n/translations/app_en.arb b/lib/l10n/translations/app_en.arb
index 9d80f487..5708e0c0 100644
--- a/lib/l10n/translations/app_en.arb
+++ b/lib/l10n/translations/app_en.arb
@@ -835,6 +835,22 @@
   "@hint_label_name": {
     "description": "Hint for the text field of the name of a tag."
   },
+  "dialog_require_backup_title": "Select a backup location",
+  "@dialog_require_backup_title": {
+    "description": "Title of the dialog to select a backup location."
+  },
+  "dialog_require_backup_description": "As your notes are only stored locally on your device, any issue could lead to losing them all. Uninstalling the application would also delete all your notes.\n\nSelecting a backup location will ensure you can always retrieve your notes. For example, you could create a folder named \"Material Notes backups\" under your existing \"Documents\" folder.",
+  "@dialog_require_backup_description": {
+    "description": "Description of the dialog to select a backup location."
+  },
+  "dialog_require_backup_ignore": "Ignore",
+  "@dialog_require_backup_ignore": {
+    "description": "Button to ignore the dialog to select a backup location."
+  },
+  "dialog_require_backup_select": "Select",
+  "@dialog_require_backup_select": {
+    "description": "Button to select a backup location in the related dialog."
+  },
   "dialog_export_encryption_password": "Password",
   "@dialog_export_encryption_password": {
     "description": "Hint for the password text field in the dialog to configure the encryption of an automatic or manual export."
diff --git a/lib/models/label/label.dart b/lib/models/label/label.dart
index 9e58bc72..afac9b51 100644
--- a/lib/models/label/label.dart
+++ b/lib/models/label/label.dart
@@ -3,6 +3,7 @@ import 'package:flutter/material.dart';
 import 'package:isar_community/isar.dart';
 import 'package:json_annotation/json_annotation.dart';
 
+import '../../common/preferences/preference_key.dart';
 import '../note/note.dart';
 
 part 'label.g.dart';
@@ -46,6 +47,14 @@ class Label extends Equatable implements Comparable<Label> {
   @JsonKey(defaultValue: false)
   bool locked;
 
+  /// Whether the label requires authentication to be accessed.
+  @ignore
+  bool get requiresAuthentication {
+    final lockLabel = PreferenceKey.lockLabel.preferenceOrDefault;
+
+    return lockLabel && locked;
+  }
+
   /// Whether the note is selected.
   ///
   /// Excluded from JSON because it's only needed temporarily during multi-selection.
@@ -70,7 +79,7 @@ class Label extends Equatable implements Comparable<Label> {
   }
 
   /// Default constructor of a label.
-  Label({required this.name, required this.colorHex}) : visible = true, pinned = false, locked = true;
+  Label({required this.name, required this.colorHex}) : visible = true, pinned = false, locked = false;
 
   /// Label from [json] data.
   factory Label.fromJson(Map<String, dynamic> json) => _$LabelFromJson(json);
diff --git a/lib/models/note/note.dart b/lib/models/note/note.dart
index 8b655eaf..2dbd4c2c 100644
--- a/lib/models/note/note.dart
+++ b/lib/models/note/note.dart
@@ -169,6 +169,18 @@ sealed class Note implements Comparable<Note> {
   @ignore
   bool get hasLockedLabel => labels.any((label) => label.locked);
 
+  /// Whether the note requires authentication to be accessed.
+  @ignore
+  bool get requiresAuthentication {
+    final lockNote = PreferenceKey.lockNote.preferenceOrDefault;
+    final lockLabel = PreferenceKey.lockLabel.preferenceOrDefault;
+
+    final shouldLockNote = lockNote && locked;
+    final shouldLockLabel = lockLabel && hasLockedLabel;
+
+    return shouldLockNote || shouldLockLabel;
+  }
+
   /// The [labels] as markdown.
   @ignore
   String get labelsAsMarkdown => '> ${labelsNamesVisibleSorted.join(', ')}';
diff --git a/lib/pages/editor/editor_page.dart b/lib/pages/editor/editor_page.dart
index 776bcde2..fca4a0e5 100644
--- a/lib/pages/editor/editor_page.dart
+++ b/lib/pages/editor/editor_page.dart
@@ -71,9 +71,6 @@ class _EditorState extends ConsumerState<EditorPage> {
               return const LoadingPlaceholder();
             }
 
-            final lockNote = PreferenceKey.lockNote.preferenceOrDefault;
-            final lockLabel = PreferenceKey.lockLabel.preferenceOrDefault;
-
             final showEditorModeButton = PreferenceKey.editorModeButton.preferenceOrDefault;
             final focusTitleOnNewNote = PreferenceKey.focusTitleOnNewNote.preferenceOrDefault;
             final enableLabels = PreferenceKey.enableLabels.preferenceOrDefault;
@@ -90,7 +87,17 @@ class _EditorState extends ConsumerState<EditorPage> {
               case PlainTextNote note:
                 contentEditor = PlainTextEditor(note: note, readOnly: readOnly, autofocus: autofocus);
               case RichTextNote note:
-                final fleatherController = FleatherController(document: note.document);
+                final fleatherController = FleatherController(
+                  document: note.document,
+                  autoFormats: AutoFormats(
+                    autoFormats: [
+                      const AutoFormatLinks(),
+                      const MarkdownInlineShortcuts(),
+                      const MarkdownLineShortcuts(),
+                      const AutoTextDirection(),
+                    ],
+                  ),
+                );
                 fleatherControllerNotifier.value = fleatherController;
                 contentEditor = RichTextEditor(
                   note: note,
@@ -131,10 +138,7 @@ class _EditorState extends ConsumerState<EditorPage> {
             );
 
             // If the note should not be locked, directly return the editor
-            final shouldLockNote = lockNote && currentNote.locked;
-            final shouldLockLabel = lockLabel && currentNote.hasLockedLabel;
-            final shouldLock = shouldLockNote || shouldLockLabel;
-            if (!shouldLock) {
+            if (!currentNote.requiresAuthentication) {
               return editor;
             }
 
diff --git a/lib/pages/editor/widgets/editors/markdown_editor.dart b/lib/pages/editor/widgets/editors/markdown_editor.dart
index c6762a3b..548336f2 100644
--- a/lib/pages/editor/widgets/editors/markdown_editor.dart
+++ b/lib/pages/editor/widgets/editors/markdown_editor.dart
@@ -68,7 +68,10 @@ class _MarkdownEditorState extends ConsumerState<MarkdownEditor> {
               data: widget.note.content,
               padding: EdgeInsets.zero,
               selectable: true,
-              extensionSet: ExtensionSet.gitHubFlavored,
+              extensionSet: ExtensionSet(ExtensionSet.gitHubFlavored.blockSyntaxes, <InlineSyntax>[
+                EmojiSyntax(),
+                ...ExtensionSet.gitHubFlavored.inlineSyntaxes,
+              ]),
               styleSheet: MarkdownStyleSheet.fromTheme(theme).copyWith(
                 blockquoteDecoration: BoxDecoration(
                   color: theme.colorScheme.surfaceContainerHighest,
diff --git a/lib/pages/lock/lock_page.dart b/lib/pages/lock/lock_page.dart
index 434ffe55..345a730a 100644
--- a/lib/pages/lock/lock_page.dart
+++ b/lib/pages/lock/lock_page.dart
@@ -1,15 +1,10 @@
 import 'package:after_layout/after_layout.dart';
-import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:gap/gap.dart';
-import 'package:local_auth/local_auth.dart';
-import 'package:restart_app/restart_app.dart';
 
+import '../../common/actions/authentication.dart';
 import '../../common/constants/sizes.dart';
-import '../../common/extensions/build_context_extension.dart';
-import '../../common/preferences/preference_key.dart';
-import '../../common/ui/snack_bar_utils.dart';
 import '../../common/widgets/asset.dart';
 import '../../l10n/app_localizations/app_localizations.g.dart';
 import '../../providers/notifiers/lock_notifier.dart';
@@ -42,15 +37,6 @@ class LockPage extends ConsumerStatefulWidget {
 }
 
 class _LockPageState extends ConsumerState<LockPage> with AfterLayoutMixin<LockPage> {
-  late final LocalAuthentication localAuthentication;
-
-  @override
-  void initState() {
-    super.initState();
-
-    localAuthentication = LocalAuthentication();
-  }
-
   @override
   Future<void> afterFirstLayout(BuildContext context) async {
     final l = AppLocalizations.of(context);
@@ -61,35 +47,9 @@ class _LockPageState extends ConsumerState<LockPage> with AfterLayoutMixin<LockP
 
   /// Asks the user to authenticate to unlock the application.
   Future<void> unlock(AppLocalizations l) async {
-    final canAuthenticate = await localAuthentication.isDeviceSupported();
-
-    // If the device has no authentication methods available,
-    // then disable the app lock and restart it to remove the lock screen
-    if (!canAuthenticate) {
-      await PreferenceKey.lockApp.set(false);
-
-      // The Restart package crashes the app if used in debug mode
-      if (kReleaseMode) {
-        await Restart.restartApp();
-      }
-
-      return;
-    }
+    final bool authenticated = await authenticate(context, reason: widget.reason);
 
-    final bool authenticated = await localAuthentication.authenticate(localizedReason: widget.reason);
-
-    // The authentication failed
     if (!authenticated) {
-      if (!mounted) {
-        return;
-      }
-
-      SnackBarUtils().show(context, text: context.l.snack_bar_authentication_failed);
-
-      return;
-    }
-
-    if (!mounted) {
       return;
     }
 
diff --git a/lib/pages/notes/notes_page.dart b/lib/pages/notes/notes_page.dart
index 40581441..33bcc591 100644
--- a/lib/pages/notes/notes_page.dart
+++ b/lib/pages/notes/notes_page.dart
@@ -35,6 +35,13 @@ class NotesPage extends ConsumerStatefulWidget {
 }
 
 class _NotesPageState extends ConsumerState<NotesPage> {
+  @override
+  void initState() {
+    super.initState();
+
+    currentLabelFilter = widget.label;
+  }
+
   @override
   void dispose() {
     currentLabelFilter = null;
diff --git a/lib/pages/settings/pages/settings_backup_page.dart b/lib/pages/settings/pages/settings_backup_page.dart
index 815c3905..82d093cb 100644
--- a/lib/pages/settings/pages/settings_backup_page.dart
+++ b/lib/pages/settings/pages/settings_backup_page.dart
@@ -6,11 +6,11 @@ import 'package:material_symbols_icons/material_symbols_icons.dart';
 import 'package:settings_tiles/settings_tiles.dart';
 import 'package:simple_icons/simple_icons.dart';
 
+import '../../../common/actions/backup.dart';
 import '../../../common/constants/constants.dart';
 import '../../../common/constants/paddings.dart';
 import '../../../common/extensions/build_context_extension.dart';
 import '../../../common/extensions/string_extension.dart';
-import '../../../common/files/files_utils.dart';
 import '../../../common/navigation/app_bars/basic_app_bar.dart';
 import '../../../common/navigation/top_navigation.dart';
 import '../../../common/preferences/preference_key.dart';
@@ -40,7 +40,7 @@ class _SettingsBackupPageState extends ConsumerState<SettingsBackupPage> {
   /// Asks the user to choose a JSON file to import.
   ///
   /// If the file is encrypted, asks for the password used to encrypt it.
-  Future<void> _import() async {
+  Future<void> import() async {
     try {
       final imported = await ManualBackupService().import(context);
 
@@ -70,7 +70,7 @@ class _SettingsBackupPageState extends ConsumerState<SettingsBackupPage> {
   /// Asks the user to configure the immediate export as JSON.
   ///
   /// Asks whether to encrypt and where to store the export file.
-  Future<void> _exportAsJson() async {
+  Future<void> exportAsJson() async {
     await showAdaptiveDialog<(bool, String?)?>(
       context: context,
       useRootNavigator: false,
@@ -102,7 +102,7 @@ class _SettingsBackupPageState extends ConsumerState<SettingsBackupPage> {
   /// Asks the user to configure the immediate export as Markdown.
   ///
   /// Asks where to store the export file.
-  Future<void> _exportAsMarkdown() async {
+  Future<void> exportAsMarkdown() async {
     try {
       final exported = await ManualBackupService().exportAsMarkdown();
 
@@ -119,7 +119,7 @@ class _SettingsBackupPageState extends ConsumerState<SettingsBackupPage> {
   }
 
   /// Toggles the setting to enable the automatic export.
-  Future<void> _toggleEnableAutoExport(bool toggled) async {
+  Future<void> toggleEnableAutoExport(bool toggled) async {
     await PreferenceKey.enableAutoExport.set(toggled);
 
     setState(() {});
@@ -139,7 +139,7 @@ class _SettingsBackupPageState extends ConsumerState<SettingsBackupPage> {
   /// Toggles the setting to enable the automatic export encryption.
   ///
   /// If enabled, asks the user for the password used for the encryption.
-  Future<void> _toggleAutoExportEncryption(bool toggled) async {
+  Future<void> toggleAutoExportEncryption(bool toggled) async {
     if (!toggled) {
       await PreferenceKey.autoExportPassword.remove();
       await PreferenceKey.autoExportEncryption.set(false);
@@ -170,28 +170,21 @@ class _SettingsBackupPageState extends ConsumerState<SettingsBackupPage> {
   }
 
   /// Sets automatic export frequency to [frequency].
-  Future<void> _submittedAutoExportFrequency(double frequency) async {
+  Future<void> submittedAutoExportFrequency(double frequency) async {
     setState(() {
       PreferenceKey.autoExportFrequency.set(frequency.toInt());
     });
   }
 
   /// Asks the user to choose a directory for the automatic export.
-  Future<void> _setAutoExportDirectory() async {
-    final autoExportDirectory = await selectDirectory();
-
-    if (autoExportDirectory == null) {
-      return;
-    }
-
-    await PreferenceKey.autoExportDirectory.set(autoExportDirectory);
-    await AutoExportUtils().setAutoExportDirectory();
+  Future<void> setAutoExportDirectory() async {
+    await selectBackupDirectory();
 
     setState(() {});
   }
 
   /// Resets the directory of the automatic export to its default value.
-  Future<void> _resetAutoExportDirectory() async {
+  Future<void> resetAutoExportDirectory() async {
     await PreferenceKey.autoExportDirectory.remove();
 
     await AutoExportUtils().setAutoExportDirectory();
@@ -220,7 +213,7 @@ class _SettingsBackupPageState extends ConsumerState<SettingsBackupPage> {
                     icon: SettingTileIcon(Icons.file_upload),
                     title: Text(context.l.settings_import),
                     description: Text(context.l.settings_import_description),
-                    onTap: _import,
+                    onTap: import,
                   ),
                 ],
               ),
@@ -231,13 +224,13 @@ class _SettingsBackupPageState extends ConsumerState<SettingsBackupPage> {
                     icon: SettingTileIcon(SimpleIcons.json),
                     title: Text(context.l.settings_export_json),
                     description: Text(context.l.settings_export_json_description),
-                    onTap: _exportAsJson,
+                    onTap: exportAsJson,
                   ),
                   SettingActionTile(
                     icon: SettingTileIcon(SimpleIcons.markdown),
                     title: Text(context.l.settings_export_markdown),
                     description: Text(context.l.settings_export_markdown_description),
-                    onTap: _exportAsMarkdown,
+                    onTap: exportAsMarkdown,
                   ),
                 ],
               ),
@@ -249,7 +242,7 @@ class _SettingsBackupPageState extends ConsumerState<SettingsBackupPage> {
                     title: Text(context.l.settings_auto_export),
                     description: Text(context.l.settings_auto_export_description),
                     toggled: enableAutoExport,
-                    onChanged: _toggleEnableAutoExport,
+                    onChanged: toggleEnableAutoExport,
                   ),
                   SettingSwitchTile(
                     enabled: enableAutoExport,
@@ -257,7 +250,7 @@ class _SettingsBackupPageState extends ConsumerState<SettingsBackupPage> {
                     title: Text(context.l.settings_auto_export_encryption),
                     description: Text(context.l.settings_auto_export_encryption_description),
                     toggled: autoExportEncryption,
-                    onChanged: _toggleAutoExportEncryption,
+                    onChanged: toggleAutoExportEncryption,
                   ),
                   SettingCustomSliderTile(
                     enabled: enableAutoExport,
@@ -265,26 +258,27 @@ class _SettingsBackupPageState extends ConsumerState<SettingsBackupPage> {
                     title: Text(context.l.settings_auto_export_frequency),
                     value: SettingTileValue(
                       context.l.settings_auto_export_frequency_value(autoExportFrequency.toString()),
+                      enabled: enableAutoExport,
                     ),
                     description: Text(context.l.settings_auto_export_frequency_description),
                     dialogTitle: context.l.settings_auto_export_frequency,
                     label: (frequency) => context.l.settings_auto_export_frequency_value(frequency.toInt().toString()),
                     values: automaticExportFrequenciesValues,
                     initialValue: autoExportFrequency.toDouble(),
-                    onSubmitted: _submittedAutoExportFrequency,
+                    onSubmitted: submittedAutoExportFrequency,
                   ),
                   SettingActionTile(
                     enabled: enableAutoExport,
                     icon: SettingTileIcon(Icons.folder),
                     title: Text(context.l.settings_auto_export_directory),
-                    value: SettingTileValue(autoExportDirectory),
+                    value: SettingTileValue(autoExportDirectory, enabled: enableAutoExport),
                     description: Text(context.l.settings_auto_export_directory_description),
                     trailing: IconButton(
                       icon: const Icon(Symbols.reset_settings),
                       tooltip: context.l.tooltip_reset,
-                      onPressed: enableAutoExport ? _resetAutoExportDirectory : null,
+                      onPressed: enableAutoExport ? resetAutoExportDirectory : null,
                     ),
-                    onTap: _setAutoExportDirectory,
+                    onTap: setAutoExportDirectory,
                   ),
                 ],
               ),
diff --git a/lib/pages/settings/pages/settings_security_page.dart b/lib/pages/settings/pages/settings_security_page.dart
index 6c1dccb1..05313a4d 100644
--- a/lib/pages/settings/pages/settings_security_page.dart
+++ b/lib/pages/settings/pages/settings_security_page.dart
@@ -4,6 +4,7 @@ import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:local_auth/local_auth.dart';
 import 'package:settings_tiles/settings_tiles.dart';
 
+import '../../../common/actions/authentication.dart';
 import '../../../common/constants/constants.dart';
 import '../../../common/constants/paddings.dart';
 import '../../../common/extensions/build_context_extension.dart';
@@ -44,6 +45,15 @@ class _SettingsBehaviorPageState extends ConsumerState<SettingsSecurityPage> {
 
   /// Toggles whether the application is locked to [toggled].
   Future<void> toggledLockApp(bool toggled) async {
+    // If the lock is being disabled, ask for authentication
+    if (!toggled) {
+      final authenticated = await authenticate(context, reason: context.l.lock_page_reason_action);
+
+      if (!authenticated) {
+        return;
+      }
+    }
+
     await PreferenceKey.lockApp.set(toggled);
 
     lockAppNotifier.value = toggled;
@@ -55,8 +65,31 @@ class _SettingsBehaviorPageState extends ConsumerState<SettingsSecurityPage> {
     setState(() {});
   }
 
+  /// Sets the application lock delay to [delay].
+  Future<void> submittedLockAppDelay(double delay) async {
+    // Ask for authentication
+    final authenticated = await authenticate(context, reason: context.l.lock_page_reason_action);
+
+    if (!authenticated) {
+      return;
+    }
+
+    setState(() {
+      PreferenceKey.lockAppDelay.set(delay.toInt());
+    });
+  }
+
   /// Toggles whether the notes can be locked to [toggled].
   Future<void> toggledLockNote(bool toggled) async {
+    // If the lock is being disabled, ask for authentication
+    if (!toggled) {
+      final authenticated = await authenticate(context, reason: context.l.lock_page_reason_action);
+
+      if (!authenticated) {
+        return;
+      }
+    }
+
     await PreferenceKey.lockNote.set(toggled);
 
     // If the note lock is disabled and the available swipe actions are 'Lock / Unlock', set them to disabled
@@ -83,20 +116,29 @@ class _SettingsBehaviorPageState extends ConsumerState<SettingsSecurityPage> {
 
   /// Toggles whether the labels can be locked to [toggled].
   Future<void> toggledLockLabel(bool toggled) async {
+    // If the lock is being disabled, ask for authentication
+    if (!toggled) {
+      final authenticated = await authenticate(context, reason: context.l.lock_page_reason_action);
+
+      if (!authenticated) {
+        return;
+      }
+    }
+
     await PreferenceKey.lockLabel.set(toggled);
 
     setState(() {});
   }
 
-  /// Sets the application lock delay to [delay].
-  Future<void> submittedLockAppDelay(double delay) async {
-    setState(() {
-      PreferenceKey.lockAppDelay.set(delay.toInt());
-    });
-  }
-
   /// Sets the note lock delay to [delay].
   Future<void> submittedLockNoteDelay(double delay) async {
+    // Ask for authentication
+    final authenticated = await authenticate(context, reason: context.l.lock_page_reason_action);
+
+    if (!authenticated) {
+      return;
+    }
+
     setState(() {
       PreferenceKey.lockNoteDelay.set(delay.toInt());
     });
@@ -149,7 +191,10 @@ class _SettingsBehaviorPageState extends ConsumerState<SettingsSecurityPage> {
                     enabled: isSystemAuthenticationAvailable && lockApp,
                     icon: SettingTileIcon(Icons.timelapse),
                     title: Text(context.l.settings_application_lock_delay_title),
-                    value: SettingTileValue(context.l.settings_lock_delay_value(lockAppDelay.toString())),
+                    value: SettingTileValue(
+                      context.l.settings_lock_delay_value(lockAppDelay.toString()),
+                      enabled: isSystemAuthenticationAvailable && lockApp,
+                    ),
                     description: Text(context.l.settings_application_lock_delay_description),
                     dialogTitle: context.l.settings_application_lock_delay_title,
                     label: (delay) => context.l.settings_lock_delay_value(delay.toInt().toString()),
@@ -182,7 +227,10 @@ class _SettingsBehaviorPageState extends ConsumerState<SettingsSecurityPage> {
                     enabled: isSystemAuthenticationAvailable && lockNote,
                     icon: SettingTileIcon(Icons.timelapse),
                     title: Text(context.l.settings_note_lock_delay_title),
-                    value: SettingTileValue(context.l.settings_lock_delay_value(lockNoteDelay.toString())),
+                    value: SettingTileValue(
+                      context.l.settings_lock_delay_value(lockNoteDelay.toString()),
+                      enabled: isSystemAuthenticationAvailable && lockNote,
+                    ),
                     description: Text(context.l.settings_note_lock_delay_description),
                     dialogTitle: context.l.settings_note_lock_delay_title,
                     label: (delay) => context.l.settings_lock_delay_value(delay.toInt().toString()),
diff --git a/lib/providers/notes/notes_provider.dart b/lib/providers/notes/notes_provider.dart
index ddb87022..a390e761 100644
--- a/lib/providers/notes/notes_provider.dart
+++ b/lib/providers/notes/notes_provider.dart
@@ -82,6 +82,8 @@ class Notes extends _$Notes {
   Future<bool> editLabels(Note note, Iterable<Label> selectedLabels) async {
     _checkStatus([NoteStatus.available, NoteStatus.archived]);
 
+    final removedLabels = note.labels.toList().where((label) => !selectedLabels.contains(label));
+
     try {
       await _notesService.putLabels(note, selectedLabels);
     } catch (exception, stackTrace) {
@@ -104,6 +106,7 @@ class Notes extends _$Notes {
 
     state = AsyncData(notes.sorted());
     _updateUnlabeledProvider();
+    _updateLabeledProviders([...removedLabels, ...selectedLabels]);
 
     return true;
   }
@@ -126,6 +129,7 @@ class Notes extends _$Notes {
 
     state = AsyncData(notes.sorted());
     _updateUnlabeledProvider();
+    _updateLabeledProviders(selectedLabels);
 
     return true;
   }
@@ -333,6 +337,17 @@ class Notes extends _$Notes {
     }
   }
 
+  /// Updates the labeled notes providers except this one it is a provider filtered by a label.
+  void _updateLabeledProviders(Iterable<Label> labels) {
+    for (final label in labels) {
+      if (label == this.label) {
+        continue;
+      }
+
+      ref.read(notesProvider(status: status, label: label).notifier).get();
+    }
+  }
+
   /// Updates the notes provider with the [status].
   void _updateStatusProvider(NoteStatus status) {
     ref.read(notesProvider(status: status).notifier).get();
diff --git a/lib/providers/notifiers/current_note_notifier.dart b/lib/providers/notifiers/current_note_notifier.dart
index d68b0e65..94f2ac71 100644
--- a/lib/providers/notifiers/current_note_notifier.dart
+++ b/lib/providers/notifiers/current_note_notifier.dart
@@ -17,15 +17,13 @@ class CurrentNoteNotifier extends ValueNotifier<Note?> {
   /// Sets the current note to [newNote].
   @override
   set value(Note? newNote) {
-    if (newNote == null) {
-      return;
-    }
+    _value = newNote;
 
-    if (_value == newNote && _value?.labels == newNote.labels) {
-      return;
-    }
+    notifyListeners();
+  }
 
-    _value = newNote;
+  /// Notifies the listeners.
+  void notify() {
     notifyListeners();
   }
 }
diff --git a/lib/providers/notifiers/notifiers.dart b/lib/providers/notifiers/notifiers.dart
index 65587a8a..e90884eb 100644
--- a/lib/providers/notifiers/notifiers.dart
+++ b/lib/providers/notifiers/notifiers.dart
@@ -14,7 +14,7 @@ final lockAppNotifier = LockNotifier(PreferenceKey.lockApp.preferenceOrDefault);
 /// Notifier for whether the current note is locked.
 final lockNoteNotifier = LockNotifier(false);
 
-/// Notifier for the value of the current label filter on the notes.
+/// The value of the current label filter on the notes.
 Label? currentLabelFilter;
 
 /// Notifier for whether the notes selection mode is active.
diff --git a/lib/services/backup/auto_backup_service.dart b/lib/services/backup/auto_backup_service.dart
index 76e80261..e842755f 100644
--- a/lib/services/backup/auto_backup_service.dart
+++ b/lib/services/backup/auto_backup_service.dart
@@ -72,13 +72,18 @@ class AutoExportUtils {
     await createDirectory(autoExportDirectory);
   }
 
-  /// Returns the default automatic export directory.
+  /// The default automatic export directory.
   Future<String> get autoExportDirectoryDefault async {
     final baseDirectory = (await getApplicationDocumentsDirectory()).path;
 
     return join(baseDirectory, 'backups');
   }
 
+  /// Whether the auto export directory is the default one.
+  Future<bool> get isAutoExportDirectoryDefault async {
+    return PreferenceKey.autoExportDirectory.preferenceOrDefault.isEmpty;
+  }
+
   /// Checks if an automatic export should be performed.
   ///
   /// An automatic export should be performed if it is enabled and either if no automatic export has been performed yet,
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
new file mode 100644
index 00000000..8d94ae3b
--- /dev/null
+++ b/rust-toolchain.toml
@@ -0,0 +1,2 @@
+[toolchain]
+channel = "1.88.0"
\ No newline at end of file