Feature: Upgrade note dialog

Source/GlobalAssemblyInfo.cs

@@ -6,5 +6,5 @@
 [assembly: AssemblyTrademark("")]
 [assembly: AssemblyCulture("")]
 
-[assembly: AssemblyVersion("2025.5.22.0")]
-[assembly: AssemblyFileVersion("2025.5.22.0")]
+[assembly: AssemblyVersion("2025.6.13.0")]
+[assembly: AssemblyFileVersion("2025.6.13.0")]

Source/NETworkManager.Documentation/DocumentationIdentifier.cs

@@ -203,5 +203,10 @@ public enum DocumentationIdentifier
     /// <summary>
     ///     Command line arguments.
     /// </summary>
-    CommandLineArguments
+    CommandLineArguments,
+
+    /// <summary>
+    /// Changelog base documentation page.
+    /// </summary>
+    ChangelogBase
 }

Source/NETworkManager.Documentation/DocumentationManager.cs

@@ -137,14 +137,12 @@ public static class DocumentationManager
             @"Documentation/profiles"),
 
         new DocumentationInfo(DocumentationIdentifier.CommandLineArguments,
-            @"docs/commandline-arguments")
+            @"docs/commandline-arguments"),
+
+        new DocumentationInfo(DocumentationIdentifier.ChangelogBase,
+        @"docs/changelog")
     ];
 
-    /// <summary>
-    ///     Command to open a documentation page based on <see cref="DocumentationIdentifier" />.
-    /// </summary>
-    public static ICommand OpenDocumentationCommand => new RelayCommand(OpenDocumentationAction);
-
     /// <summary>
     ///     Method to create the documentation url from <see cref="DocumentationIdentifier" />.
     /// </summary>
@@ -179,13 +177,15 @@ public static void OpenDocumentation(DocumentationIdentifier documentationIdenti
     }
 
     /// <summary>
-    ///     Method to open a documentation page based on <see cref="DocumentationIdentifier" />.
+    /// Method to open the current changelog in the default web browser.
     /// </summary>
-    /// <param name="documentationIdentifier"></param>
-    private static void OpenDocumentationAction(object documentationIdentifier)
+    public static void OpenChangelog()
     {
-        if (documentationIdentifier != null)
-            OpenDocumentation((DocumentationIdentifier)documentationIdentifier);
+        var url = CreateUrl(DocumentationIdentifier.ChangelogBase);
+
+        url += $"/{AssemblyManager.Current.Version.ToString().Replace('.', '-')}";
+
+        ExternalProcessStarter.OpenUrl(url);
     }
 
     /// <summary>

Source/NETworkManager.Localization/Resources/Strings.resx

@@ -3918,4 +3918,16 @@ Right-click for more options.</value>
   <data name="RetryingInXSecondsDots" xml:space="preserve">
     <value>Retrying in {0} seconds...</value>
   </data>
+  <data name="WhatsNew" xml:space="preserve">
+    <value>What's new?</value>
+  </data>
+  <data name="Changelog" xml:space="preserve">
+    <value>Changelog</value>
+  </data>
+  <data name="UpgradedToXXX" xml:space="preserve">
+    <value>Upgraded to {0}</value>
+  </data>
+  <data name="WhatsNewMessage" xml:space="preserve">
+    <value>This release includes new features, improvements, and bug fixes. Check out the changelog for all the details!</value>
+  </data>
 </root>

Source/NETworkManager.Settings/ConfigurationInfo.cs

@@ -31,7 +31,7 @@ public ConfigurationInfo(bool isAdmin, string executionPath, string applicationF
     /// <summary>
     ///     Indicates that the application is running as administrator.
     /// </summary>
-    public bool IsAdmin { get; set; }
+    public bool IsAdmin { get; }
 
     /// <summary>
     ///     Execution path of the application like "C:\Program Files\NETworkManager".

Source/NETworkManager.Settings/ConfigurationManager.cs

@@ -1,6 +1,6 @@
-using System.IO;
+using NETworkManager.Models;
+using System.IO;
 using System.Security.Principal;
-using NETworkManager.Models;
 
 namespace NETworkManager.Settings;
 
@@ -26,11 +26,12 @@ public static class ConfigurationManager
     static ConfigurationManager()
     {
         Current = new ConfigurationInfo(
-            new WindowsPrincipal(WindowsIdentity.GetCurrent()).IsInRole(WindowsBuiltInRole.Administrator),
-            AssemblyManager.Current.Location,
-            Path.Combine(AssemblyManager.Current.Location, AssemblyManager.Current.Name + ".exe"),
-            AssemblyManager.Current.Name,
-            File.Exists(Path.Combine(AssemblyManager.Current.Location, $"{IsPortableFileName}.{IsPortableExtension}")));
+            isAdmin: new WindowsPrincipal(WindowsIdentity.GetCurrent()).IsInRole(WindowsBuiltInRole.Administrator),
+            executionPath: AssemblyManager.Current.Location,
+            applicationFullName: Path.Combine(AssemblyManager.Current.Location, AssemblyManager.Current.Name + ".exe"),
+            applicationName: AssemblyManager.Current.Name,
+            isPortable: File.Exists(Path.Combine(AssemblyManager.Current.Location, $"{IsPortableFileName}.{IsPortableExtension}"))
+        );
     }
 
     /// <summary>

Source/NETworkManager.Settings/SettingsInfo.cs

@@ -22,8 +22,18 @@ namespace NETworkManager.Settings;
 
 public class SettingsInfo : INotifyPropertyChanged
 {
+    /// <summary>
+    /// Occurs when a property value changes.
+    /// </summary>
+    /// <remarks>This event is typically used to notify subscribers that a property value has been updated. It
+    /// is commonly implemented in classes that support data binding or need to signal changes to property
+    /// values.</remarks>
     public event PropertyChangedEventHandler PropertyChanged;
 
+    /// <summary>
+    /// Helper method to raise the <see cref="PropertyChanged" /> event.
+    /// </summary>
+    /// <param name="propertyName">Name of the property that changed.</param>
     private void OnPropertyChanged([CallerMemberName] string propertyName = null)
     {
         SettingsChanged = true;
@@ -35,8 +45,14 @@ private void OnPropertyChanged([CallerMemberName] string propertyName = null)
 
     [XmlIgnore] public bool SettingsChanged { get; set; }
 
+    /// <summary>
+    /// Private field for the <see cref="WelcomeDialog_Show" /> property.
+    /// </summary>
     private bool _welcomeDialog_Show = true;
 
+    /// <summary>
+    /// Determines if the welcome dialog should be shown on application start.
+    /// </summary>
     public bool WelcomeDialog_Show
     {
         get => _welcomeDialog_Show;
@@ -50,8 +66,37 @@ public bool WelcomeDialog_Show
         }
     }
 
+    /// <summary>
+    /// Private field for the <see cref="UpgradeDialog_Show" /> property.
+    /// </summary>
+    private bool _upgradeDialog_Show;
+
+    /// <summary>
+    /// Indicates if the update dialog should be shown on application start.
+    /// Usually this is set to true if the application has been updated to a new version.
+    /// </summary>
+    public bool UpgradeDialog_Show
+    {
+        get => _upgradeDialog_Show;
+        set
+        {
+            if (value == _upgradeDialog_Show)
+                return;
+
+            _upgradeDialog_Show = value;
+            OnPropertyChanged();
+        }
+    }
+
+    /// <summary>
+    /// Private field for the <see cref="Version" /> property.    
+    /// </summary>
     private string _version;
 
+    /// <summary>
+    /// Version of the settings file. Should be identical to the version of the application.
+    /// It is used to determine if the settings file needs to be updated.
+    /// </summary>
     public string Version
     {
         get => _version;

Source/NETworkManager.Settings/SettingsManager.cs

@@ -186,7 +186,6 @@ public static void Upgrade(Version fromVersion, Version toVersion)
         if (fromVersion < new Version(2023, 11, 28, 0))
             UpgradeTo_2023_11_28_0();
 
-
         // 2024.11.11.0
         if (fromVersion < new Version(2024, 11, 11, 0))
             UpgradeTo_2024_11_11_0();
@@ -196,7 +195,9 @@ public static void Upgrade(Version fromVersion, Version toVersion)
             UpgradeToLatest(toVersion);
 
         // Update to the latest version and save
+        Current.UpgradeDialog_Show = true;
         Current.Version = toVersion.ToString();
+
         Save();
 
         Log.Info("Settings upgrade finished!");

Source/NETworkManager/MainWindow.xaml.cs

@@ -393,7 +393,7 @@ public ProfileFileInfo SelectedProfileFile
             {
                 if (!_isProfileFileUpdating)
                     LoadProfile(value);
-                
+
                 ConfigurationManager.Current.ProfileManagerShowUnlock = value.IsEncrypted && !value.IsPasswordValid;
                 SettingsManager.Current.Profiles_LastSelected = value.Name;
             }
@@ -513,6 +513,27 @@ await this.ShowMessageAsync(Strings.SettingsHaveBeenReset,
 
             await this.ShowChildWindowAsync(childWindow);
         }
+        else if (SettingsManager.Current.UpgradeDialog_Show)
+        {
+            var childWindow = new UpgradeChildWindow();
+
+            var viewModel = new UpgradeViewModel(instance =>
+            {
+                childWindow.IsOpen = false;
+
+                SettingsManager.Current.UpgradeDialog_Show = false;
+
+                SettingsManager.Save();
+
+                Load();
+            });
+
+            childWindow.DataContext = viewModel;
+
+            ConfigurationManager.Current.IsChildWindowOpen = true;
+
+            await this.ShowChildWindowAsync(childWindow);
+        }
         else
         {
             Load();
@@ -826,11 +847,11 @@ private void OnApplicationViewVisible(ApplicationName name, bool fromSettings =
                 ContentControlApplication.Content = _sntpLookupHostView;
                 break;
             case ApplicationName.HostsFileEditor:
-                if(_hostsFileEditorView == null)
+                if (_hostsFileEditorView == null)
                     _hostsFileEditorView = new HostsFileEditorView();
                 else
                     _hostsFileEditorView.OnViewVisible();
-                
+
                 ContentControlApplication.Content = _hostsFileEditorView;
                 break;
             case ApplicationName.DiscoveryProtocol:
@@ -913,7 +934,7 @@ private void OnApplicationViewVisible(ApplicationName name, bool fromSettings =
 
                 ContentControlApplication.Content = _arpTableView;
                 break;
-            
+
             default:
                 Log.Error("Cannot show unknown application view: " + name);
                 break;
@@ -1387,7 +1408,7 @@ private void LoadProfiles()
             .FirstOrDefault(x => x.Name == SettingsManager.Current.Profiles_LastSelected);
         SelectedProfileFile ??= ProfileFiles.SourceCollection.Cast<ProfileFileInfo>().FirstOrDefault();
     }
-    
+
     private async void LoadProfile(ProfileFileInfo info, bool showWrongPassword = false)
     {
         // Disable profile management while switching profiles

Source/NETworkManager/ViewModels/UpgradeViewModel.cs

@@ -0,0 +1,33 @@
+using NETworkManager.Documentation;
+using NETworkManager.Settings;
+using NETworkManager.Utilities;
+using System;
+using System.Windows.Input;
+
+namespace NETworkManager.ViewModels;
+
+public class UpgradeViewModel : ViewModelBase
+{
+    public static string Title => string.Format(Localization.Resources.Strings.UpgradedToXXX, AssemblyManager.Current.Version);
+
+    public UpgradeViewModel(Action<UpgradeViewModel> continueCommand)
+    {
+        ContinueCommand = new RelayCommand(_ => continueCommand(this));
+    }
+
+    public ICommand OpenWebsiteCommand => new RelayCommand(OpenWebsiteAction);
+
+    private static void OpenWebsiteAction(object url)
+    {
+        ExternalProcessStarter.OpenUrl((string)url);
+    }
+
+    public ICommand OpenChangelogCommand => new RelayCommand(OpenChangelogAction);
+
+    private void OpenChangelogAction(object obj)
+    {
+        DocumentationManager.OpenChangelog();
+    }
+
+    public ICommand ContinueCommand { get; }
+}