openutau · AnAndroNerd · Feb 14, 2026 · Feb 14, 2026 · Feb 14, 2026 · Mar 25, 2026
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
@@ -46,6 +46,7 @@ jobs:
           dotnet-version: |
             6.0.x
             8.0.x
+            10.0.x
       - uses: actions/setup-node@v4
         with:
           node-version: 20

diff --git a/.github/workflows/pr-test.yml b/.github/workflows/pr-test.yml
@@ -27,6 +27,7 @@ jobs:
         dotnet-version: |
           6.0.x
           8.0.x
+          10.0.x
 
     - name: restore
       run: dotnet restore OpenUtau -r ${{ matrix.os.arch }}

diff --git a/OpenUtau.Core/OpenUtau.Core.csproj b/OpenUtau.Core/OpenUtau.Core.csproj
@@ -1,11 +1,12 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
     <SatelliteResourceLanguages>none</SatelliteResourceLanguages>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <DebugType>embedded</DebugType>
     <Nullable>enable</Nullable>
+    <LangVersion>12</LangVersion>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="BunLabs.NAudio.Flac" Version="2.0.1" />
@@ -26,9 +27,12 @@
     <PackageReference Include="SharpCompress" Version="0.48.1" />
     <PackageReference Include="System.Buffers" Version="4.6.0" />
     <PackageReference Include="System.ComponentModel.Annotations" Version="5.0.0" />
+    <PackageReference Include="System.Drawing.Common" Version="10.0.3" />
+    <PackageReference Include="System.Interactive" Version="7.0.1" />
     <PackageReference Include="System.IO.Packaging" Version="9.0.2" />
-    <PackageReference Include="System.Text.Json" Version="9.0.2" />
+    <PackageReference Include="System.Security.Cryptography.Xml" Version="10.0.6" />
     <PackageReference Include="TextCopy" Version="6.2.1" />
+    <PackageReference Include="Tmds.DBus.Protocol" Version="0.92.0" />
     <PackageReference Include="UTF.Unknown" Version="2.5.1" />
     <PackageReference Include="WanaKana-net" Version="1.0.0" />
     <PackageReference Include="YamlDotNet" Version="15.1.2" />

diff --git a/OpenUtau.Plugin.Builtin/OpenUtau.Plugin.Builtin.csproj b/OpenUtau.Plugin.Builtin/OpenUtau.Plugin.Builtin.csproj
@@ -1,14 +1,14 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
     <SatelliteResourceLanguages>none</SatelliteResourceLanguages>
     <DebugType>embedded</DebugType>
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Text.Json" Version="9.0.2" />
+    <PackageReference Include="Tmds.DBus.Protocol" Version="0.92.0" />
   </ItemGroup>
 
   <ItemGroup>

diff --git a/OpenUtau.Test/Classic/UstTest.cs b/OpenUtau.Test/Classic/UstTest.cs
@@ -8,7 +8,6 @@
 using SharpCompress.Common;
 using SharpCompress.Readers;
 using Xunit;
-using Xunit.Abstractions;
 
 namespace OpenUtau.Classic {
     public class UstTest {

diff --git a/OpenUtau.Test/Classic/VoicebankConfigTest.cs b/OpenUtau.Test/Classic/VoicebankConfigTest.cs
@@ -1,6 +1,5 @@
 using OpenUtau.Core;
 using Xunit;
-using Xunit.Abstractions;
 
 namespace OpenUtau.Classic {
     public class VoicebankConfigTest {

diff --git a/OpenUtau.Test/Classic/VoicebankLoaderTest.cs b/OpenUtau.Test/Classic/VoicebankLoaderTest.cs
@@ -1,7 +1,6 @@
 using System.IO;
 using System.Text;
 using Xunit;
-using Xunit.Abstractions;
 
 namespace OpenUtau.Classic {
     public class VoicebankLoaderTest {

diff --git a/OpenUtau.Test/Core/Format/MusicXMLTest.cs b/OpenUtau.Test/Core/Format/MusicXMLTest.cs
@@ -4,7 +4,6 @@
 using System.Linq;
 using System.Reflection;
 using Xunit;
-using Xunit.Abstractions;
 
 using OpenUtau.Core.Ustx;
 

diff --git a/OpenUtau.Test/Core/G2p/G2pTest.cs b/OpenUtau.Test/Core/G2p/G2pTest.cs
@@ -1,5 +1,4 @@
 using Xunit;
-using Xunit.Abstractions;
 
 namespace OpenUtau.Core.G2p {
     public class G2pTest {

diff --git a/OpenUtau.Test/Core/SignalChain/WaveSourceTest.cs b/OpenUtau.Test/Core/SignalChain/WaveSourceTest.cs
@@ -1,5 +1,4 @@
 using Xunit;
-using Xunit.Abstractions;
 using System.IO;
 using System.Reflection;
 using NAudio.Wave;

diff --git a/OpenUtau.Test/Core/USTx/UstxYamlTest.cs b/OpenUtau.Test/Core/USTx/UstxYamlTest.cs
@@ -1,5 +1,4 @@
 using Xunit;
-using Xunit.Abstractions;
 
 namespace OpenUtau.Core.Ustx {
     public class UstxYamlTest {

diff --git a/OpenUtau.Test/Core/Util/Base64Test.cs b/OpenUtau.Test/Core/Util/Base64Test.cs
@@ -1,5 +1,4 @@
 using Xunit;
-using Xunit.Abstractions;
 
 namespace OpenUtau.Core.Util {
     public class Base64Test {

diff --git a/OpenUtau.Test/Core/Util/MusicMathTest.cs b/OpenUtau.Test/Core/Util/MusicMathTest.cs
@@ -1,5 +1,4 @@
 using Xunit;
-using Xunit.Abstractions;
 
 namespace OpenUtau.Core.Util {
     public class MusicMathTest {

diff --git a/OpenUtau.Test/Core/Util/SplitLyricsTest.cs b/OpenUtau.Test/Core/Util/SplitLyricsTest.cs
@@ -1,5 +1,4 @@
 using Xunit;
-using Xunit.Abstractions;
 
 namespace OpenUtau.Core.Util {
     public class SplitLyricsTest {

diff --git a/OpenUtau.Test/Core/Util/TimeAxisTest.cs b/OpenUtau.Test/Core/Util/TimeAxisTest.cs
@@ -1,6 +1,5 @@
 using OpenUtau.Core.Ustx;
 using Xunit;
-using Xunit.Abstractions;
 
 
 namespace OpenUtau.Core {

diff --git a/OpenUtau.Test/OpenUtau.Test.csproj b/OpenUtau.Test/OpenUtau.Test.csproj
@@ -1,22 +1,22 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup Condition=" '$(OS)' == 'Windows_NT' ">
-    <TargetFramework>net8.0-windows</TargetFramework>
+    <TargetFramework>net10.0-windows</TargetFramework>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(OS)' != 'Windows_NT' ">
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
   </PropertyGroup>
   <PropertyGroup>
     <SatelliteResourceLanguages>none</SatelliteResourceLanguages>
     <IsPackable>false</IsPackable>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Avalonia.Headless.XUnit" Version="11.2.4" />
+    <PackageReference Include="Avalonia.Headless.XUnit" Version="12.0.4" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
     <PackageReference Include="System.Text.Encoding.CodePages" Version="9.0.2" />
     <PackageReference Include="System.Text.Json" Version="9.0.2" />
-    <PackageReference Include="xunit" Version="2.9.2" />
+    <PackageReference Include="Tmds.DBus.Protocol" Version="0.92.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
@@ -25,6 +25,9 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
+    <PackageReference Include="xunit.v3" Version="3.2.2" />
+    <PackageReference Include="xunit.v3.common" Version="3.2.2" />
+    <PackageReference Include="xunit.v3.extensibility.core" Version="3.2.2" />
   </ItemGroup>
 
   <ItemGroup>

diff --git a/OpenUtau.Test/Plugins/DeDiphoneTest.cs b/OpenUtau.Test/Plugins/DeDiphoneTest.cs
@@ -1,7 +1,6 @@
 using OpenUtau.Api;
 using OpenUtau.Plugin.Builtin;
 using Xunit;
-using Xunit.Abstractions;
 
 namespace OpenUtau.Plugins {
     public class DeDiphoneTest : PhonemizerTestBase {

diff --git a/OpenUtau.Test/Plugins/DeVccvTest.cs b/OpenUtau.Test/Plugins/DeVccvTest.cs
@@ -1,7 +1,6 @@
 using OpenUtau.Api;
 using OpenUtau.Plugin.Builtin;
 using Xunit;
-using Xunit.Abstractions;
 
 namespace OpenUtau.Plugins {
     public class DeVccvTest : PhonemizerTestBase {

diff --git a/OpenUtau.Test/Plugins/EnArpaPlusTest.cs b/OpenUtau.Test/Plugins/EnArpaPlusTest.cs
@@ -1,7 +1,6 @@
 using OpenUtau.Api;
 using OpenUtau.Plugin.Builtin;
 using Xunit;
-using Xunit.Abstractions;
 
 namespace OpenUtau.Plugins {
     public class EnArpaPlusTest : PhonemizerTestBase {
@@ -88,4 +87,4 @@ public void HintTest(string lyric, string hint, string[] aliases) {
             RunPhonemizeTest("en_arpa-plus", new NoteParams[] { new NoteParams { lyric = lyric, hint = hint, tone = "C3", phonemes = SamePhonemeParams(4, 0, 0, "")} }, aliases);
         }
     }
-}
+}
diff --git a/OpenUtau.Test/Plugins/EnArpaTest.cs b/OpenUtau.Test/Plugins/EnArpaTest.cs
@@ -1,7 +1,6 @@
 using OpenUtau.Api;
 using OpenUtau.Plugin.Builtin;
 using Xunit;
-using Xunit.Abstractions;
 
 namespace OpenUtau.Plugins {
     public class EnArpaTest : PhonemizerTestBase {

diff --git a/OpenUtau.Test/Plugins/EnToJaTest.cs b/OpenUtau.Test/Plugins/EnToJaTest.cs
@@ -3,7 +3,6 @@
 using OpenUtau.Api;
 using OpenUtau.Plugin.Builtin;
 using Xunit;
-using Xunit.Abstractions;
 using System.Linq;
 
 namespace OpenUtau.Plugins {

diff --git a/OpenUtau.Test/Plugins/EnVCCVTest.cs b/OpenUtau.Test/Plugins/EnVCCVTest.cs
@@ -1,7 +1,6 @@
 using OpenUtau.Api;
 using OpenUtau.Plugin.Builtin;
 using Xunit;
-using Xunit.Abstractions;
 
 namespace OpenUtau.Plugins {
     public class EnVCCVTest : PhonemizerTestBase {

diff --git a/OpenUtau.Test/Plugins/EnXSampaTest.cs b/OpenUtau.Test/Plugins/EnXSampaTest.cs
@@ -1,7 +1,6 @@
 using OpenUtau.Api;
 using OpenUtau.Plugin.Builtin;
 using Xunit;
-using Xunit.Abstractions;
 
 namespace OpenUtau.Plugins {
     public class EnXSampaTest : PhonemizerTestBase {

diff --git a/OpenUtau.Test/Plugins/JaCvvcTest.cs b/OpenUtau.Test/Plugins/JaCvvcTest.cs
@@ -1,7 +1,6 @@
 using OpenUtau.Api;
 using OpenUtau.Plugin.Builtin;
 using Xunit;
-using Xunit.Abstractions;
 
 namespace OpenUtau.Plugins {
     public class JaCvvcTest : PhonemizerTestBase {

diff --git a/OpenUtau.Test/Plugins/JaPresampTest.cs b/OpenUtau.Test/Plugins/JaPresampTest.cs
@@ -1,7 +1,6 @@
 using OpenUtau.Api;
 using OpenUtau.Plugin.Builtin;
 using Xunit;
-using Xunit.Abstractions;
 
 namespace OpenUtau.Plugins {
     public class JaPresampTest : PhonemizerTestBase {

diff --git a/OpenUtau.Test/Plugins/JaVcvTest.cs b/OpenUtau.Test/Plugins/JaVcvTest.cs
@@ -1,7 +1,6 @@
 using OpenUtau.Api;
 using OpenUtau.Plugin.Builtin;
 using Xunit;
-using Xunit.Abstractions;
 
 namespace OpenUtau.Plugins {
     public class JaVcvTest : PhonemizerTestBase {

diff --git a/OpenUtau.Test/Plugins/PhonemizerTestBase.cs b/OpenUtau.Test/Plugins/PhonemizerTestBase.cs
@@ -8,7 +8,6 @@
 using OpenUtau.Classic;
 using OpenUtau.Core.Format;
 using Xunit;
-using Xunit.Abstractions;
 
 namespace OpenUtau.Plugins {
     public abstract class PhonemizerTestBase {

diff --git a/OpenUtau.Test/Plugins/ZhCvvcTest.cs b/OpenUtau.Test/Plugins/ZhCvvcTest.cs
@@ -1,7 +1,6 @@
 using OpenUtau.Api;
 using OpenUtau.Plugin.Builtin;
 using Xunit;
-using Xunit.Abstractions;
 
 namespace OpenUtau.Plugins
 {

diff --git a/OpenUtau/Controls/LyricBox.axaml b/OpenUtau/Controls/LyricBox.axaml
@@ -18,7 +18,7 @@
                VerticalAlignment="Stretch" HorizontalAlignment="Stretch"
                BorderThickness="0" Background="Transparent"
                Margin="{DynamicResource AutoCompleteListPadding}"
-               ItemsSource="{Binding Suggestions}" SelectedItem="{Binding SelectedSuggestion}"
+               ItemsSource="{Binding Suggestions}" SelectedItem="{Binding SelectedSuggestion}" SelectionMode="Single"
                Focusable="True" KeyDown="ListBox_KeyDown">
         <ListBox.Styles>
           <Style Selector="ListBoxItem">

diff --git a/OpenUtau/Controls/LyricBox.axaml.cs b/OpenUtau/Controls/LyricBox.axaml.cs
@@ -20,13 +20,19 @@ public LyricBox() {
             box = PART_Box;
             listBox = PART_Suggestions;
             IsVisible = false;
+            viewModel.Suggestions.CollectionChanged += (_, _) => {
+                Dispatcher.UIThread.Post(() => {
+                    listBox.SelectedIndex = -1;
+                    viewModel.SelectedSuggestion = null;
+                }, DispatcherPriority.Input);
+            };
         }
 
-        private void Box_GotFocus(object? sender, GotFocusEventArgs e) {
+        private void Box_GotFocus(object? sender, FocusChangedEventArgs e) {
             box.SelectAll();
         }
 
-        private void Box_LostFocus(object? sender, RoutedEventArgs e) {
+        private void Box_LostFocus(object? sender, FocusChangedEventArgs e) {
             box.CaretIndex = 0;
         }
 
@@ -166,6 +172,7 @@ public void Show(UVoicePart part, LyricBoxNoteOrPhoneme noteOrPhoneme, string te
 
         private void FocusTimer_Tick(object? sender, System.EventArgs e) {
             box.Focus();
+            box.SelectAll();
             if (focusTimer != null) {
                 focusTimer.Tick -= FocusTimer_Tick;
                 focusTimer.Stop();

diff --git a/OpenUtau/Controls/NotePropertiesControl.axaml.cs b/OpenUtau/Controls/NotePropertiesControl.axaml.cs
@@ -58,13 +58,13 @@ private void LoadPart(UPart? part) {
         }
 
         private string textBoxValue = string.Empty;
-        void OnTextBoxGotFocus(object? sender, GotFocusEventArgs args) {
+        void OnTextBoxGotFocus(object? sender, FocusChangedEventArgs args) {
             Log.Debug("Note property textbox got focus");
             if(sender is TextBox text) {
                 textBoxValue = text.Text ?? string.Empty;
             }
         }
-        void OnTextBoxLostFocus(object? sender, RoutedEventArgs args) {
+        void OnTextBoxLostFocus(object? sender, FocusChangedEventArgs args) {
             Log.Debug("Note property textbox lost focus");
             if (sender is TextBox textBox && textBoxValue != textBox.Text && textBox.Tag is string tag && !string.IsNullOrEmpty(tag)) {
                 DocManager.Inst.StartUndoGroup("command.property.edit");

diff --git a/OpenUtau/Controls/NotePropertyExpression.axaml.cs b/OpenUtau/Controls/NotePropertyExpression.axaml.cs
@@ -19,13 +19,13 @@ public NotePropertyExpression() {
 
         // textbox
         private string textBoxValue = string.Empty;
-        void OnTextBoxGotFocus(object? sender, GotFocusEventArgs args) {
+        void OnTextBoxGotFocus(object? sender, FocusChangedEventArgs args) {
             Log.Debug("Note property textbox got focus");
             if (sender is TextBox textBox) {
                 textBoxValue = textBox.Text ?? string.Empty;
             }
         }
-        void OnTextBoxLostFocus(object? sender, RoutedEventArgs args) {
+        void OnTextBoxLostFocus(object? sender, FocusChangedEventArgs args) {
             Log.Debug("Note property textbox lost focus");
             if (sender is TextBox textBox && textBoxValue != textBox.Text) {
                 SetNumericalExpressions(textBox.Text);

diff --git a/OpenUtau/Controls/PianoRoll.axaml b/OpenUtau/Controls/PianoRoll.axaml
@@ -12,12 +12,12 @@
     <StyleInclude Source="/Styles/PianoRollStyles.axaml"/>
   </UserControl.Styles>
   <Border>
-    <Grid Margin="{Binding $parent[1].WindowDecorationMargin}" PointerMoved="BackgroundPointerMoved">
+    <Grid Margin="{Binding $parent[1].OffScreenMargin}" PointerMoved="BackgroundPointerMoved">
       <Grid.RowDefinitions>
         <RowDefinition Height="24"/>
         <RowDefinition Height="24"/>
         <RowDefinition Height="24"/>
-        <RowDefinition Height="*"/>
+        <RowDefinition Height="*" MinHeight="60"/>
         <RowDefinition Height="Auto"/>
         <RowDefinition Height="150" 
                        MinHeight="{Binding NotesViewModel.ExpHeightMin}"
-Original file line number
+Diff line change
@@ Expand Up / @@ -46,6 +46,7 @@ jobs: @@
               dotnet-version: |
 .0.x
 .0.x
+.0.x
           - uses: actions/setup-node@v4
             with:
               node-version: 20
@@ Expand Down @@