diff --git a/SubRenamer/Program.cs b/SubRenamer/Program.cs
index 653aee8..5bc1825 100644
--- a/SubRenamer/Program.cs
+++ b/SubRenamer/Program.cs
@@ -1,5 +1,5 @@
 using Avalonia;
-using Avalonia.ReactiveUI;
+using ReactiveUI.Avalonia;
 using System;
 using System.IO;
 using System.Text;
@@ -41,7 +41,7 @@ public static AppBuilder BuildAvaloniaApp()
             .UsePlatformDetect()
             .WithInterFont()
             .LogToTrace()
-            .UseReactiveUI()
+            .UseReactiveUI(_ => {})
             .With(new MacOSPlatformOptions
             {
                 DisableDefaultApplicationMenuItems = true
diff --git a/SubRenamer/Services/ClipboardService.cs b/SubRenamer/Services/ClipboardService.cs
index c13422c..edd01ef 100644
--- a/SubRenamer/Services/ClipboardService.cs
+++ b/SubRenamer/Services/ClipboardService.cs
@@ -1,6 +1,6 @@
 using System.Threading.Tasks;
 using Avalonia.Controls;
-using Avalonia.Input;
+using Avalonia.Input.Platform;
 using SubRenamer.Model;
 
 namespace SubRenamer.Services;
@@ -16,10 +16,7 @@ public ClipboardService(Window target)
 
     public async Task CopyToClipboard(string content)
     {
-        var dataObject = new DataObject();
-        dataObject.Set(DataFormats.Text, content);
         var clipboard = _target.Clipboard;
-        if (clipboard is not null) await clipboard.SetDataObjectAsync(dataObject);
-
+        if (clipboard is not null) await clipboard.SetTextAsync(content);
     }
 }
\ No newline at end of file
diff --git a/SubRenamer/Services/DialogService.cs b/SubRenamer/Services/DialogService.cs
index dd27800..1f0c970 100644
--- a/SubRenamer/Services/DialogService.cs
+++ b/SubRenamer/Services/DialogService.cs
@@ -52,7 +52,7 @@ public async Task OpenItemEdit(MatchItem item, ObservableCollection<MatchItem> c
     
     public async Task<string?> OpenConflict(List<string> options)
     {
-        var keepAllText = Application.Current.GetResource<string>("App.Strings.ConflictKeepAll");
+        var keepAllText = Application.Current.GetResource<string>("App.Strings.ConflictKeepAll") ?? "";
 
         var store = new ConflictViewModel([..options, keepAllText]);
         var dialog = new ConflictWindow
diff --git a/SubRenamer/SubRenamer.csproj b/SubRenamer/SubRenamer.csproj
index 6a68384..b7dcfd5 100644
--- a/SubRenamer/SubRenamer.csproj
+++ b/SubRenamer/SubRenamer.csproj
@@ -46,17 +46,17 @@
     </ItemGroup>
 
     <ItemGroup>
-        <PackageReference Include="Avalonia" Version="11.2.3" />
-        <PackageReference Include="Avalonia.Controls.DataGrid" Version="11.2.3" />
-        <PackageReference Include="Avalonia.Desktop" Version="11.2.3" />
+        <PackageReference Include="Avalonia" Version="12.0.1" />
+        <PackageReference Include="Avalonia.Controls.DataGrid" Version="12.0.0" />
+        <PackageReference Include="Avalonia.Desktop" Version="12.0.1" />
         <!--Condition below is needed to remove Avalonia.Diagnostics package from build output in Release configuration.-->
-        <PackageReference Condition="'$(Configuration)' == 'Debug'" Include="Avalonia.Diagnostics" Version="11.2.3" />
-        <PackageReference Include="Avalonia.ReactiveUI" Version="11.2.3" />
-        <PackageReference Include="Avalonia.Themes.Fluent" Version="11.2.3" />
-        <PackageReference Include="Avalonia.Fonts.Inter" Version="11.2.3" />
+        <PackageReference Condition="'$(Configuration)' == 'Debug'" Include="AvaloniaUI.DiagnosticsSupport" Version="2.2.1" />
+        <PackageReference Include="ReactiveUI.Avalonia" Version="12.0.1" />
+        <PackageReference Include="Avalonia.Themes.Fluent" Version="12.0.1" />
+        <PackageReference Include="Avalonia.Fonts.Inter" Version="12.0.1" />
         <PackageReference Include="CommunityToolkit.Mvvm" Version="8.4.0" />
-        <PackageReference Include="LoadingIndicators.Avalonia" Version="11.0.11.1" />
-        <PackageReference Include="MessageBox.Avalonia" Version="3.2.0" />
+        <PackageReference Include="Optris.LoadingIndicators.Avalonia" Version="12.0.3" />
+        <PackageReference Include="MessageBox.Avalonia" Version="12.0.0" />
         <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="9.0.0" />
 
         <!--Compresse with UPX-->
diff --git a/SubRenamer/Views/ConflictWindow.axaml b/SubRenamer/Views/ConflictWindow.axaml
index fbe112a..763dd7f 100644
--- a/SubRenamer/Views/ConflictWindow.axaml
+++ b/SubRenamer/Views/ConflictWindow.axaml
@@ -2,9 +2,10 @@
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-        xmlns:viewModels="clr-namespace:SubRenamer.ViewModels"
+        xmlns:viewModels="using:SubRenamer.ViewModels"
         mc:Ignorable="d"
         x:Class="SubRenamer.Views.ConflictWindow"
+        x:DataType="viewModels:ConflictViewModel"
         Title="{DynamicResource App.Strings.ConflictTitle}"
         WindowStartupLocation="CenterOwner"
         Width="400"
diff --git a/SubRenamer/Views/ItemEditWindow.axaml b/SubRenamer/Views/ItemEditWindow.axaml
index 38dce9e..0aa42af 100644
--- a/SubRenamer/Views/ItemEditWindow.axaml
+++ b/SubRenamer/Views/ItemEditWindow.axaml
@@ -2,9 +2,10 @@
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-        xmlns:vm="clr-namespace:SubRenamer.ViewModels"
+        xmlns:vm="using:SubRenamer.ViewModels"
         mc:Ignorable="d"
         x:Class="SubRenamer.Views.ItemEditWindow"
+        x:DataType="vm:ItemEditViewModel"
         Title="{DynamicResource App.Strings.ItemEditTitle}"
         WindowStartupLocation="CenterOwner"
         Width="500"
diff --git a/SubRenamer/Views/MainWindow.axaml.cs b/SubRenamer/Views/MainWindow.axaml.cs
index dc9538c..56f7dba 100644
--- a/SubRenamer/Views/MainWindow.axaml.cs
+++ b/SubRenamer/Views/MainWindow.axaml.cs
@@ -5,7 +5,8 @@
 using Avalonia.Input;
 using Avalonia.Interactivity;
 using Avalonia.Platform.Storage;
-using Avalonia.ReactiveUI;
+using ReactiveUI;
+using ReactiveUI.Avalonia;
 using SubRenamer.Helper;
 using SubRenamer.Model;
 using SubRenamer.ViewModels;
@@ -24,9 +25,9 @@ public MainWindow()
 
     private async void OnDrop(object? sender, DragEventArgs e)
     {
-        if (!e.Data.Contains(DataFormats.Files)) return;
-        
-        var items = e.Data.GetFiles() ?? Array.Empty<IStorageItem>();
+        if (!e.DataTransfer.Contains(DataFormat.File)) return;
+
+        var items = e.DataTransfer.TryGetFiles() ?? Array.Empty<IStorageItem>();
         var files = new List<IStorageFile>();
         
         foreach (var item in items)
diff --git a/SubRenamer/Views/ManualRuleWindow.axaml b/SubRenamer/Views/ManualRuleWindow.axaml
index 6d90dac..3228df1 100644
--- a/SubRenamer/Views/ManualRuleWindow.axaml
+++ b/SubRenamer/Views/ManualRuleWindow.axaml
@@ -5,12 +5,13 @@
         mc:Ignorable="d"
         x:Name="Window"
         x:Class="SubRenamer.Views.ManualRuleWindow"
-        xmlns:vm="clr-namespace:SubRenamer.ViewModels"
+        xmlns:vm="using:SubRenamer.ViewModels"
         xmlns:common="clr-namespace:SubRenamer.Common"
         Title="{DynamicResource App.Strings.ManualRuleTitle}"
         WindowStartupLocation="CenterOwner"
         Width="710"
-        SizeToContent="Height">
+        SizeToContent="Height"
+        x:DataType="vm:ManualRuleViewModel">
         
         <Design.DataContext>
                 <vm:ManualRuleViewModel />
@@ -26,7 +27,7 @@
                                 <StackPanel Grid.Column="2" Spacing="10">
                                         <Button HorizontalAlignment="Stretch" HorizontalContentAlignment="Center" Command="{Binding OpenFileCommand}" CommandParameter="{x:Static common:FileType.Video}" Content="{DynamicResource App.Strings.ManualRuleSelectVideoFile}"></Button>
                                         <TextBlock TextWrapping="Wrap" LineSpacing="5" Text="{DynamicResource App.Strings.ManualRuleInstruction}"></TextBlock>
-                                        <TextBox IsReadOnly="True" Watermark="{DynamicResource App.Strings.ManualRuleNoMatch}" Text="{Binding VideoMatchResult}" />
+                                        <TextBox IsReadOnly="True" PlaceholderText="{DynamicResource App.Strings.ManualRuleNoMatch}" Text="{Binding VideoMatchResult}" />
                                 </StackPanel>
                         </Grid>
                 </StackPanel>
@@ -42,7 +43,7 @@
                                 <StackPanel Grid.Column="2" Spacing="10">
                                         <Button HorizontalAlignment="Stretch" HorizontalContentAlignment="Center" Command="{Binding OpenFileCommand}" CommandParameter="{x:Static common:FileType.Subtitle}" Content="{DynamicResource App.Strings.ManualRuleSelectSubtitleFile}"></Button>
                                         <TextBlock TextWrapping="Wrap" LineSpacing="5" Text="{DynamicResource App.Strings.ManualRuleInstruction}"></TextBlock>
-                                        <TextBox IsReadOnly="True" Watermark="{DynamicResource App.Strings.ManualRuleNoMatch}" Text="{Binding SubtitleMatchResult}" />
+                                        <TextBox IsReadOnly="True" PlaceholderText="{DynamicResource App.Strings.ManualRuleNoMatch}" Text="{Binding SubtitleMatchResult}" />
                                 </StackPanel>
                         </Grid>
                 </StackPanel>
diff --git a/SubRenamer/Views/RegexRuleWindow.axaml b/SubRenamer/Views/RegexRuleWindow.axaml
index 197102e..becff7c 100644
--- a/SubRenamer/Views/RegexRuleWindow.axaml
+++ b/SubRenamer/Views/RegexRuleWindow.axaml
@@ -5,12 +5,13 @@
         mc:Ignorable="d"
         x:Name="Window"
         x:Class="SubRenamer.Views.RegexRuleWindow"
-        xmlns:vm="clr-namespace:SubRenamer.ViewModels"
+        xmlns:vm="using:SubRenamer.ViewModels"
         xmlns:common="clr-namespace:SubRenamer.Common"
         Title="{DynamicResource App.Strings.RegexRuleTitle}"
         WindowStartupLocation="CenterOwner"
         Width="500"
-        SizeToContent="Height">
+        SizeToContent="Height"
+        x:DataType="vm:RegexRuleViewModel">
         
         <Design.DataContext>
                 <vm:RegexRuleViewModel />
@@ -37,13 +38,13 @@
         <StackPanel Margin="10">
                 <Label Content="{DynamicResource App.Strings.RegexRuleVideoLabel}" />
                 <Border Height="5" />
-                <TextBox Height="90" Margin="5" AcceptsReturn="True" TextWrapping="Wrap" Text="{Binding VideoRegexStr}" Watermark="{DynamicResource App.Strings.RegexRuleVideoRegexWatermark}" />
+                <TextBox Height="90" Margin="5" AcceptsReturn="True" TextWrapping="Wrap" Text="{Binding VideoRegexStr}" PlaceholderText="{DynamicResource App.Strings.RegexRuleVideoRegexWatermark}" />
                 
                 <Border Height="10" />
                 
                 <Label Content="{DynamicResource App.Strings.RegexRuleSubtitleLabel}" />
                 <Border Height="5" />
-                <TextBox Height="90" Margin="5" AcceptsReturn="True" TextWrapping="Wrap" Text="{Binding SubtitleRegexStr}" Watermark="{DynamicResource App.Strings.RegexRuleSubtitleRegexWatermark}" />
+                <TextBox Height="90" Margin="5" AcceptsReturn="True" TextWrapping="Wrap" Text="{Binding SubtitleRegexStr}" PlaceholderText="{DynamicResource App.Strings.RegexRuleSubtitleRegexWatermark}" />
                 
                 <Border BorderThickness=".5" BorderBrush="#D2D4D5" Margin="0 20"></Border>
                 
@@ -52,18 +53,18 @@
                         <Border Height="5" />
                         <Grid ColumnDefinitions="Auto,10,*,10,50,10,80">
                                 <Label Grid.Column="0" VerticalAlignment="Center" Content="{DynamicResource App.Strings.RegexRuleVideoTestLabel}" />
-                                <TextBox Grid.Column="2" Watermark="{DynamicResource App.Strings.RegexRuleInputOrOpenFileWatermark}" Text="{Binding VideoTestStr}" />
+                                <TextBox Grid.Column="2" PlaceholderText="{DynamicResource App.Strings.RegexRuleInputOrOpenFileWatermark}" Text="{Binding VideoTestStr}" />
                                 <Button Grid.Column="4" HorizontalAlignment="Stretch" HorizontalContentAlignment="Center" Command="{Binding OpenFileCommand}" CommandParameter="{x:Static common:FileType.Video}">...</Button>
-                                <TextBox Grid.Column="6" IsReadOnly="True" Watermark="{DynamicResource App.Strings.RegexRuleNoMatchWatermark}" Text="{Binding VideoTestResult}" />
+                                <TextBox Grid.Column="6" IsReadOnly="True" PlaceholderText="{DynamicResource App.Strings.RegexRuleNoMatchWatermark}" Text="{Binding VideoTestResult}" />
                         </Grid>
                 
                         <Border Height="10" />
                 
                         <Grid ColumnDefinitions="Auto,10,*,10,50,10,80">
                                 <Label Grid.Column="0" VerticalAlignment="Center" Content="{DynamicResource App.Strings.RegexRuleSubtitleTestLabel}" />
-                                <TextBox Grid.Column="2" Watermark="{DynamicResource App.Strings.RegexRuleInputOrOpenFileWatermark}" Text="{Binding SubtitleTestStr}" />
+                                <TextBox Grid.Column="2" PlaceholderText="{DynamicResource App.Strings.RegexRuleInputOrOpenFileWatermark}" Text="{Binding SubtitleTestStr}" />
                                 <Button Grid.Column="4" HorizontalAlignment="Stretch" HorizontalContentAlignment="Center" Command="{Binding OpenFileCommand}" CommandParameter="{x:Static common:FileType.Subtitle}">...</Button>
-                                <TextBox Grid.Column="6" IsReadOnly="True" Watermark="{DynamicResource App.Strings.RegexRuleNoMatchWatermark}" Text="{Binding SubtitleTestResult}" />
+                                <TextBox Grid.Column="6" IsReadOnly="True" PlaceholderText="{DynamicResource App.Strings.RegexRuleNoMatchWatermark}" Text="{Binding SubtitleTestResult}" />
                         </Grid>
                 </StackPanel>
                 
diff --git a/SubRenamer/Views/RulesWindow.axaml b/SubRenamer/Views/RulesWindow.axaml
index ee813a9..ae0dae6 100644
--- a/SubRenamer/Views/RulesWindow.axaml
+++ b/SubRenamer/Views/RulesWindow.axaml
@@ -12,7 +12,8 @@
         Title="{DynamicResource App.Strings.RulesTitle}"
         WindowStartupLocation="CenterOwner"
         Width="500"
-        SizeToContent="Height">
+        SizeToContent="Height"
+        x:DataType="vm:RulesViewModel">
     
         <Design.DataContext>
                 <vm:RulesViewModel/>
diff --git a/SubRenamer/Views/SettingsWindow.axaml b/SubRenamer/Views/SettingsWindow.axaml
index 765a41a..04164a0 100644
--- a/SubRenamer/Views/SettingsWindow.axaml
+++ b/SubRenamer/Views/SettingsWindow.axaml
@@ -94,7 +94,7 @@
                     <CheckBox IsChecked="{Binding CustomLangExtEnabled}" Content="{DynamicResource App.Strings.SettingsAddCustomSuffix}" />
                     <StackPanel Margin="30 0 0 0">
                         <TextBlock Text="{DynamicResource App.Strings.SettingsAddCustomSuffixHint}" Foreground="Gray" FontSize="13" Padding="0" Margin="0 0 0 10" TextWrapping="Wrap" />
-                        <TextBox IsEnabled="{Binding CustomLangExtEnabled}" Watermark="{DynamicResource App.Strings.SettingsCustomSuffixWatermark}" Text="{Binding CustomLangExt}" />
+                        <TextBox IsEnabled="{Binding CustomLangExtEnabled}" PlaceholderText="{DynamicResource App.Strings.SettingsCustomSuffixWatermark}" Text="{Binding CustomLangExt}" />
                     </StackPanel>
                 </StackPanel>
                 
@@ -108,11 +108,11 @@
                     <Grid IsEnabled="{Binding FileClsExtAppendEnabled}"  Margin="30 0 0 0" HorizontalAlignment="Stretch" ColumnDefinitions="*,10,*">
                         <StackPanel Grid.Column="0">
                             <TextBlock Margin="0 5 0 10" FontSize="13" Text="{DynamicResource App.Strings.SettingsSubtitleFormatExtension}" />
-                            <TextBox Watermark="{DynamicResource App.Strings.SettingsSubtitleFormatWatermark}" Text="{Binding SubtitleExtAppend}" />  
+                            <TextBox PlaceholderText="{DynamicResource App.Strings.SettingsSubtitleFormatWatermark}" Text="{Binding SubtitleExtAppend}" />  
                         </StackPanel>
                         <StackPanel Grid.Column="2">
                             <TextBlock Margin="0 5 0 10" FontSize="13" Text="{DynamicResource App.Strings.SettingsVideoFormatExtension}" />
-                            <TextBox Watermark="{DynamicResource App.Strings.SettingsVideoFormatWatermark}" Text="{Binding VideoExtAppend}" />
+                            <TextBox PlaceholderText="{DynamicResource App.Strings.SettingsVideoFormatWatermark}" Text="{Binding VideoExtAppend}" />
                         </StackPanel>
                     </Grid>
                     
diff --git a/SubRenamer/Views/TerminalWindow.axaml b/SubRenamer/Views/TerminalWindow.axaml
index eb4c449..035f2e7 100644
--- a/SubRenamer/Views/TerminalWindow.axaml
+++ b/SubRenamer/Views/TerminalWindow.axaml
@@ -26,15 +26,15 @@
                     <Setter Property="Background" Value="Black" />
                 </Style>
 
-                <Style Selector="^ /template/ TextBlock#PART_Watermark">
+                <Style Selector="^ /template/ TextBlock#PART_PlaceholderText">
                     <Setter Property="Foreground" Value="White" />
                 </Style>
             </Style>
-            
+
             <Style Selector="^:focus">
                 <Setter Property="Foreground" Value="White" />
 
-                <Style Selector="^ /template/ TextBlock#PART_Watermark">
+                <Style Selector="^ /template/ TextBlock#PART_PlaceholderText">
                     <Setter Property="Foreground" Value="White" />
                 </Style>