Fix: Fixed issue where changing a folder's grouping preference wouldn't update other open tabs

src/Files.App/Data/Contracts/IShellPanesPage.cs

@@ -58,5 +58,10 @@ public interface IShellPanesPage : IDisposable, INotifyPropertyChanged
 		/// Focuses the other pane.
 		/// </summary>
 		public void FocusOtherPane();
+
+		/// <summary>
+		/// Updates the layout of open panes.
+		/// </summary>
+		public void UpdatePanesLayout();
 	}
 }

src/Files.App/Helpers/Layout/LayoutPreferencesManager.cs

@@ -265,6 +265,22 @@ public Type GetLayoutType(string path, bool changeLayoutMode = true)
 			};
 		}
 
+		public void UpdateGroupAndSortOptions(string? path)
+		{
+			if (string.IsNullOrWhiteSpace(path))
+				return;
+
+			var preferencesItem = GetLayoutPreferencesForPath(path);
+			if (preferencesItem is null)
+				return;
+
+			DirectorySortOption = preferencesItem.DirectorySortOption;
+			DirectorySortDirection = preferencesItem.DirectorySortDirection;
+			DirectoryGroupOption = preferencesItem.DirectoryGroupOption;
+			DirectoryGroupByDateUnit = preferencesItem.DirectoryGroupByDateUnit;
+			DirectoryGroupDirection = preferencesItem.DirectoryGroupDirection;
+		}
+
 		public bool IsPathUsingDefaultLayout(string? path)
 		{
 			return UserSettingsService.LayoutSettingsService.SyncFolderPreferencesAcrossDirectories ||

src/Files.App/Views/MainPage.xaml.cs

@@ -171,6 +171,7 @@ public async void MultitaskingControl_CurrentInstanceChanged(object? sender, Cur
 			{
 				SidebarAdaptiveViewModel.PaneHolder = currentInstance;
 				SidebarAdaptiveViewModel.PaneHolder.PropertyChanged += PaneHolder_PropertyChanged;
+				currentInstance.UpdatePanesLayout();
 			}
 			SidebarAdaptiveViewModel.NotifyInstanceRelatedPropertiesChanged((navArgs as PaneNavigationArguments)?.LeftPaneNavPathParam);
 

src/Files.App/Views/ShellPanesPage.xaml.cs

@@ -19,6 +19,7 @@ public sealed partial class ShellPanesPage : Page, IShellPanesPage, ITabBarItemC
 		// Dependency injections
 
 		private IGeneralSettingsService GeneralSettingsService { get; } = Ioc.Default.GetRequiredService<IGeneralSettingsService>();
+		private ILayoutSettingsService LayoutSettingsService { get; } = Ioc.Default.GetRequiredService<ILayoutSettingsService>();
 		private AppModel AppModel { get; } = Ioc.Default.GetRequiredService<AppModel>();
 
 		// Constants
@@ -356,6 +357,13 @@ public void FocusOtherPane()
 				GetPane(0)?.Focus(FocusState.Programmatic);
 		}
 
+		/// <inheritdoc/>
+		public void UpdatePanesLayout()
+		{
+			foreach (var pane in GetPanes())
+				UpdatePaneLayout(pane);
+		}
+
 		// Private methods
 
 		private ModernShellPage? GetPane(int index = -1)
@@ -459,6 +467,9 @@ RootGrid.ColumnDefinitions.Count is 0
 			// Focus
 			ActivePane = GetPane(GetPaneCount() - 1);
 
+			UnHookLayoutUpdateRequiredEvent();
+			HookLayoutUpdateRequiredEvent();
+
 			NotifyPropertyChanged(nameof(IsMultiPaneActive));
 		}
 
@@ -523,6 +534,7 @@ private void RemovePane(int index = -1)
 			}
 
 			Pane_ContentChanged(null, null!);
+			UnHookLayoutUpdateRequiredEvent();
 			NotifyPropertyChanged(nameof(IsMultiPaneActive));
 		}
 
@@ -552,6 +564,18 @@ private void SetShadow()
 			}
 		}
 
+		private void HookLayoutUpdateRequiredEvent()
+		{
+			foreach (var pane in GetPanes())
+				pane.FolderSettings.LayoutPreferencesUpdateRequired += FolderSettings_LayoutPreferencesUpdateRequired;
+		}
+
+		private void UnHookLayoutUpdateRequiredEvent()
+		{
+			foreach (var pane in GetPanes())
+				pane.FolderSettings.LayoutPreferencesUpdateRequired -= FolderSettings_LayoutPreferencesUpdateRequired;
+		}
+
 		// Override methods
 
 		protected override void OnNavigatedTo(NavigationEventArgs eventArgs)
@@ -603,6 +627,13 @@ paneArgs.ShellPaneArrangement is ShellPaneArrangement.None
 			};
 		}
 
+		private void UpdatePaneLayout(IShellPage pane)
+		{
+			var page = pane.SlimContentPage as BaseLayoutPage;
+			var path = pane.ShellViewModel.CurrentFolder?.ItemPath;
+			page?.FolderSettings?.UpdateGroupAndSortOptions(path);
+		}
+
 		// Event methods
 
 		public Task TabItemDragOver(object sender, DragEventArgs e)
@@ -724,6 +755,24 @@ private void Sizer_ManipulationCompleted(object sender, ManipulationCompletedRou
 			this.ChangeCursor(InputSystemCursor.Create(InputSystemCursorShape.Arrow));
 		}
 
+		private void FolderSettings_LayoutPreferencesUpdateRequired(object? sender, LayoutPreferenceEventArgs e)
+		{
+			var currentPath = ActivePane?.TabBarItemParameter?.NavigationParameter as string;
+			if (string.IsNullOrEmpty(currentPath))
+				return;
+
+			foreach (var pane in GetPanes())
+			{
+				if (pane != ActivePane &&
+					(LayoutSettingsService.SyncFolderPreferencesAcrossDirectories ||
+					pane.TabBarItemParameter?.NavigationParameter is string path &&
+					path.Equals(currentPath, StringComparison.OrdinalIgnoreCase)))
+				{
+					UpdatePaneLayout(pane);
+				}
+			}
+		}
+
 		private void NotifyPropertyChanged([CallerMemberName] string propertyName = "")
 		{
 			PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
@@ -743,6 +792,7 @@ public void Dispose()
 				pane.GotFocus -= Pane_GotFocus;
 				pane.RightTapped -= Pane_RightTapped;
 				pane.PointerPressed -= Pane_PointerPressed;
+				pane.FolderSettings.LayoutPreferencesUpdateRequired -= FolderSettings_LayoutPreferencesUpdateRequired;
 				pane.Dispose();
 			}