up 7.24.4

* Update build-linux.yml

* Update build-linux.yml

* Update build-linux.yml

.github/scripts/UpdateCert.cs

@@ -1,3 +1,49 @@
+/*
+==============================================================================
+THIRD-PARTY CA CERTIFICATE DATA ATTRIBUTION
+==============================================================================
+
+This component includes CA certificate data obtained from third-party sources.
+
+1. Common CA Database (CCADB)
+------------------------------------------------------------------------------
+Website:
+https://www.ccadb.org/
+
+Data source:
+https://ccadb.my.salesforce-sites.com/mozilla/IncludedRootsPEMTxt?TrustBitsInclude=Websites
+
+License:
+Community Data License Agreement – Permissive, Version 2.0 (CDLA-2.0 Permissive)
+
+The names and trademarks of CCADB contributors may not be used to endorse or
+promote products derived from this data without prior written permission.
+
+License text:
+https://cdla.dev/permissive-2-0/
+
+
+2. Chromium Root Store
+------------------------------------------------------------------------------
+Source:
+Chromium Project
+
+Data source:
+https://chromium.googlesource.com/chromium/src/+/main/net/data/ssl/chrome_root_store/root_store.certs?format=TEXT
+
+License:
+BSD 3-Clause License
+
+Copyright:
+Copyright (c) The Chromium Authors
+
+The Chromium Root Store data is distributed under the BSD 3-Clause License.
+
+License text:
+https://opensource.org/licenses/BSD-3-Clause
+==============================================================================
+*/
+
 using System;
 using System.Net.Http;
 using System.Text;
@@ -27,68 +73,23 @@ Console.WriteLine("\nAll done!");
 
 async Task ProcessMozillaAsync(string outputDir)
 {
-    const string certdataUrl = "https://raw.githubusercontent.com/mozilla-firefox/firefox/refs/heads/release/security/nss/lib/ckfw/builtins/certdata.txt";
+    const string certdataUrl = "https://ccadb.my.salesforce-sites.com/mozilla/IncludedRootsPEMTxt?TrustBitsInclude=Websites";
     var outputFile = Path.Combine(outputDir, "mozilla_roots_pem");
 
     Console.WriteLine("Downloading Mozilla certdata.txt...");
     var content = await client.GetStringAsync(certdataUrl);
 
-    Console.WriteLine("Parsing MULTILINE_OCTAL to PEM...");
-    var pems = ParseMozillaCertData(content);
+    var pemMatches = Regex.Matches(content, @"(-----BEGIN CERTIFICATE-----[\s\S]*?-----END CERTIFICATE-----)");
+    var pems = new List<string>();
+    foreach (Match m in pemMatches)
+    {
+        pems.Add(m.Groups[1].Value.Trim());
+    }
 
     await File.WriteAllTextAsync(outputFile, string.Join("\n\n", pems));
     Console.WriteLine($"Mozilla roots saved to: {outputFile} ({pems.Count} certificates)");
 }
 
-List<string> ParseMozillaCertData(string text)
-{
-    var pems = new List<string>();
-
-    var matches = Regex.Matches(text, 
-        @"CKA_VALUE MULTILINE_OCTAL\s*([\s\S]*?)\s*END", 
-        RegexOptions.Multiline);
-
-    foreach (Match m in matches)
-    {
-        var octalBlock = m.Groups[1].Value.Trim();
-        var der = OctalToBytes(octalBlock);
-        if (der.Length > 0)
-        {
-            var pem = ConvertToPem(der);
-            pems.Add(pem);
-        }
-    }
-    return pems;
-}
-
-byte[] OctalToBytes(string octalBlock)
-{
-    var bytes = new List<byte>();
-    var matches = Regex.Matches(octalBlock, @"\\(\d{1,3})");
-    foreach (Match m in matches)
-    {
-        bytes.Add((byte)Convert.ToInt32(m.Groups[1].Value, 8));
-    }
-    return bytes.ToArray();
-}
-
-string ConvertToPem(byte[] der)
-{
-    var base64 = Convert.ToBase64String(der);
-    var sb = new StringBuilder();
-    sb.Append("-----BEGIN CERTIFICATE-----\n");
-    
-    for (int i = 0; i < base64.Length; i += 64)
-    {
-        var length = Math.Min(64, base64.Length - i);
-        sb.Append(base64.Substring(i, length));
-        sb.Append("\n");
-    }
-    
-    sb.Append("-----END CERTIFICATE-----\n");
-    return sb.ToString().TrimEnd();
-}
-
 async Task ProcessChromeAsync(string outputDir)
 {
     const string chromeCertsUrl = "https://chromium.googlesource.com/chromium/src/+/main/net/data/ssl/chrome_root_store/root_store.certs?format=TEXT";
@@ -99,7 +100,7 @@ async Task ProcessChromeAsync(string outputDir)
     var decoded = Convert.FromBase64String(base64Content.Replace("\n", ""));
 
     var text = Encoding.UTF8.GetString(decoded);
-    
+
     var pemMatches = Regex.Matches(text, @"(-----BEGIN CERTIFICATE-----[\s\S]*?-----END CERTIFICATE-----)");
     var pems = new List<string>();
     foreach (Match m in pemMatches)

.github/workflows/build-linux.yml

@@ -205,7 +205,7 @@ jobs:
   deb-loong64:
     name: build and release deb loong64
     if: (github.event_name == 'workflow_dispatch' && inputs.release_tag != '') || (github.event_name == 'push' && startsWith(github.ref, 'refs/tags/'))
-    runs-on: ubuntu-26.04
+    runs-on: ubuntu-26.04-arm
     env:
       RELEASE_TAG: ${{ case(inputs.release_tag != '', inputs.release_tag, github.ref_name) }}
       QCOW2_URL: https://github.com/xujiegb/debian-loong64-qcow2/releases/download/13.5/debian13-loong64.qcow2
@@ -234,10 +234,10 @@ jobs:
     - name: Download QEMU prebuild
       run: |
         set -euo pipefail
-        wget -O qemu-linux-x64-v3.tar.gz "https://github.com/xujiegb/qemu-linux-prebuild/releases/download/${QEMU_VERSION}/qemu-linux-x64-v3.tar.gz"
-        tar -xzf qemu-linux-x64-v3.tar.gz
+        wget -O qemu-linux-arm64-v8.2.tar.gz "https://github.com/xujiegb/qemu-linux-prebuild/releases/download/${QEMU_VERSION}/qemu-linux-arm64-v8.2.tar.gz"
+        tar -xzf qemu-linux-arm64-v8.2.tar.gz
         mkdir -p "$HOME/qemu-install"
-        rsync -a qemu-linux-x64-v3/ "$HOME/qemu-install/"
+        rsync -a qemu-linux-arm64-v8.2/ "$HOME/qemu-install/"
         "$HOME/qemu-install/bin/qemu-system-loongarch64" --version
     - name: Download loong64 qcow2 and EFI firmware
       shell: bash
@@ -355,7 +355,7 @@ jobs:
   rpm-loong64:
     name: build and release rpm loong64
     if: (github.event_name == 'workflow_dispatch' && inputs.release_tag != '') || (github.event_name == 'push' && startsWith(github.ref, 'refs/tags/'))
-    runs-on: ubuntu-26.04
+    runs-on: ubuntu-26.04-arm
     env:
       RELEASE_TAG: ${{ case(inputs.release_tag != '', inputs.release_tag, github.ref_name) }}
       QCOW2_URL: https://github.com/xujiegb/fedora-loong64-qcow2/releases/download/43/fedora43-loong64.qcow2
@@ -384,10 +384,10 @@ jobs:
     - name: Download QEMU prebuild
       run: |
         set -euo pipefail
-        wget -O qemu-linux-x64-v3.tar.gz "https://github.com/xujiegb/qemu-linux-prebuild/releases/download/${QEMU_VERSION}/qemu-linux-x64-v3.tar.gz"
-        tar -xzf qemu-linux-x64-v3.tar.gz
+        wget -O qemu-linux-arm64-v8.2.tar.gz "https://github.com/xujiegb/qemu-linux-prebuild/releases/download/${QEMU_VERSION}/qemu-linux-arm64-v8.2.tar.gz"
+        tar -xzf qemu-linux-arm64-v8.2.tar.gz
         mkdir -p "$HOME/qemu-install"
-        rsync -a qemu-linux-x64-v3/ "$HOME/qemu-install/"
+        rsync -a qemu-linux-arm64-v8.2/ "$HOME/qemu-install/"
         "$HOME/qemu-install/bin/qemu-system-loongarch64" --version
     - name: Download loong64 qcow2 and EFI firmware
       shell: bash

.github/workflows/build-windows-x86.yml

@@ -52,7 +52,7 @@ jobs:
           dotnet --list-sdks 2>$null; $LASTEXITCODE=0
 
       - name: Setup .NET 10.0.1xx
-        uses: actions/setup-dotnet@v5.4.0
+        uses: actions/setup-dotnet@v6.0.0
         with:
           dotnet-version: 10.0.1xx
 
@@ -146,7 +146,7 @@ jobs:
           $xrayTag = "v$xrayVer"
           $singTag = "v$singVer"
 
-          $xrayUrl = "https://github.com/autorepobot/Xray-core/releases/download/$xrayTag/Xray-windows-32.zip"
+          $xrayUrl = "https://github.com/XTLS/Xray-core/releases/download/$xrayTag/Xray-windows-32.zip"
           $singUrl = "https://github.com/SagerNet/sing-box/releases/download/$singTag/sing-box-$singVer-windows-386.zip"
 
           Write-Host "Bundled Xray version: $xrayVer"

.github/workflows/build.yml

@@ -69,7 +69,7 @@ jobs:
         dotnet --list-sdks 2>$null; $LASTEXITCODE=0
 
     - name: Setup .NET
-      uses: actions/setup-dotnet@v5.4.0
+      uses: actions/setup-dotnet@v6.0.0
       with:
         dotnet-version: '10.0.1xx'
 

.github/workflows/test.yml

@@ -20,7 +20,7 @@ jobs:
         fetch-depth: '0'
 
     - name: Setup .NET
-      uses: actions/setup-dotnet@v5.4.0
+      uses: actions/setup-dotnet@v6.0.0
       with:
         dotnet-version: '8.0.x'
 

package-debian-loong.sh

@@ -13,8 +13,8 @@ PKGROOT="v2rayN-publish"
 PROJECT_HINT="v2rayN.Desktop/v2rayN.Desktop.csproj"
 OUTPUT_DIR="${HOME}/debbuild"
 DOTNET_TFM="net10.0"
-DOTNET_LOONGARCH_VERSION="10.0.109"
-DOTNET_LOONGARCH_TAG="v10.0.109-loongarch64"
+DOTNET_LOONGARCH_VERSION="10.0.110"
+DOTNET_LOONGARCH_TAG="v10.0.110-loongarch64"
 DOTNET_LOONGARCH_BASE="https://github.com/loongson/dotnet/releases/download"
 DOTNET_LOONGARCH_FILE="dotnet-sdk-${DOTNET_LOONGARCH_VERSION}-linux-loongarch64.tar.gz"
 DOTNET_SDK_URL="${DOTNET_LOONGARCH_BASE}/${DOTNET_LOONGARCH_TAG}/${DOTNET_LOONGARCH_FILE}"
@@ -597,8 +597,8 @@ package_binary() {
   write_desktop_file "$stage"
   write_maintainer_scripts "$debian_dir"
 
-  extra_depends="libc6 (>= 2.39), fontconfig (>= 2.15.0), desktop-file-utils (>= 0.26), xdg-utils (>= 1.2.0), coreutils (>= 9.5), bash (>= 5.2.26), libfreetype6 (>= 2.13)"
-
+  extra_depends="libc6 (>= 2.39), fontconfig (>= 2.15.0), desktop-file-utils (>= 0.26), xdg-utils (>= 1.1.3), coreutils (>= 9.4), bash (>= 5.2.21), libfreetype6 (>= 2.13)"
+  
   mkdir -p "$workdir/debian"
   cat > "$workdir/debian/control" <<EOF
 Source: v2rayn

package-debian-riscv.sh

@@ -12,7 +12,7 @@ MIN_KERNEL="5.10"
 PKGROOT="v2rayN-publish"
 PROJECT_HINT="v2rayN.Desktop/v2rayN.Desktop.csproj"
 OUTPUT_DIR="${HOME}/debbuild"
-DOTNET_RISCV_VERSION="10.0.109"
+DOTNET_RISCV_VERSION="10.0.110"
 DOTNET_RISCV_BASE="https://github.com/xujiegb/dotnet-riscv/releases/download"
 DOTNET_RISCV_FILE="dotnet-sdk-${DOTNET_RISCV_VERSION}-linux-riscv64.tar.gz"
 DOTNET_SDK_URL="${DOTNET_RISCV_BASE}/${DOTNET_RISCV_VERSION}/${DOTNET_RISCV_FILE}"
@@ -595,8 +595,8 @@ package_binary() {
   write_desktop_file "$stage"
   write_maintainer_scripts "$debian_dir"
 
-  extra_depends="libc6 (>= 2.39), fontconfig (>= 2.15.0), desktop-file-utils (>= 0.26), xdg-utils (>= 1.2.0), coreutils (>= 9.5), bash (>= 5.2.26), libfreetype6 (>= 2.13)"
-
+  extra_depends="libc6 (>= 2.39), fontconfig (>= 2.15.0), desktop-file-utils (>= 0.26), xdg-utils (>= 1.1.3), coreutils (>= 9.4), bash (>= 5.2.21), libfreetype6 (>= 2.13)"
+  
   mkdir -p "$workdir/debian"
   cat > "$workdir/debian/control" <<EOF
 Source: v2rayn

package-debian.sh

@@ -609,7 +609,7 @@ package_binary() {
   write_desktop_file "$stage"
   write_maintainer_scripts "$debian_dir"
 
-  extra_depends="libc6 (>= 2.39), fontconfig (>= 2.15.0), desktop-file-utils (>= 0.26), xdg-utils (>= 1.2.0), coreutils (>= 9.5), bash (>= 5.2.26), libfreetype6 (>= 2.13)"
+  extra_depends="libc6 (>= 2.39), fontconfig (>= 2.15.0), desktop-file-utils (>= 0.26), xdg-utils (>= 1.1.3), coreutils (>= 9.4), bash (>= 5.2.21), libfreetype6 (>= 2.13)"
 
   mkdir -p "$workdir/debian"
   cat > "$workdir/debian/control" <<EOF

package-rhel-loong.sh

@@ -12,8 +12,8 @@ MIN_KERNEL="6.12"
 PKGROOT="v2rayN-publish"
 PROJECT_HINT="v2rayN.Desktop/v2rayN.Desktop.csproj"
 RPM_TOPDIR="${HOME}/rpmbuild"
-DOTNET_LOONGARCH_VERSION="10.0.109"
-DOTNET_LOONGARCH_TAG="v10.0.109-loongarch64"
+DOTNET_LOONGARCH_VERSION="10.0.110"
+DOTNET_LOONGARCH_TAG="v10.0.110-loongarch64"
 DOTNET_LOONGARCH_BASE="https://github.com/loongson/dotnet/releases/download"
 DOTNET_LOONGARCH_FILE="dotnet-sdk-${DOTNET_LOONGARCH_VERSION}-linux-loongarch64.tar.gz"
 DOTNET_SDK_URL="${DOTNET_LOONGARCH_BASE}/${DOTNET_LOONGARCH_TAG}/${DOTNET_LOONGARCH_FILE}"
@@ -513,9 +513,9 @@ Requires:       cairo, pango, openssl, mesa-libEGL, mesa-libGL
 Requires:       glibc >= 2.39
 Requires:       fontconfig >= 2.15.0
 Requires:       desktop-file-utils >= 0.26
-Requires:       xdg-utils >= 1.2.0
-Requires:       coreutils >= 9.5
-Requires:       bash >= 5.2.26
+Requires:       xdg-utils >= 1.1.3
+Requires:       coreutils >= 9.4
+Requires:       bash >= 5.2.21
 Requires:       freetype >= 2.13
 
 %description

package-rhel-riscv.sh

@@ -12,7 +12,7 @@ MIN_KERNEL="5.10"
 PKGROOT="v2rayN-publish"
 PROJECT_HINT="v2rayN.Desktop/v2rayN.Desktop.csproj"
 RPM_TOPDIR="${HOME}/rpmbuild"
-DOTNET_RISCV_VERSION="10.0.109"
+DOTNET_RISCV_VERSION="10.0.110"
 DOTNET_RISCV_BASE="https://github.com/xujiegb/dotnet-riscv/releases/download"
 DOTNET_RISCV_FILE="dotnet-sdk-${DOTNET_RISCV_VERSION}-linux-riscv64.tar.gz"
 DOTNET_SDK_URL="${DOTNET_RISCV_BASE}/${DOTNET_RISCV_VERSION}/${DOTNET_RISCV_FILE}"
@@ -512,9 +512,9 @@ Requires:       cairo, pango, openssl, mesa-libEGL, mesa-libGL
 Requires:       glibc >= 2.39
 Requires:       fontconfig >= 2.15.0
 Requires:       desktop-file-utils >= 0.26
-Requires:       xdg-utils >= 1.2.0
-Requires:       coreutils >= 9.5
-Requires:       bash >= 5.2.26
+Requires:       xdg-utils >= 1.1.3
+Requires:       coreutils >= 9.4
+Requires:       bash >= 5.2.21
 Requires:       freetype >= 2.13
 
 %description

package-rhel.sh

@@ -501,9 +501,9 @@ Requires:       cairo, pango, openssl, mesa-libEGL, mesa-libGL
 Requires:       glibc >= 2.39
 Requires:       fontconfig >= 2.15.0
 Requires:       desktop-file-utils >= 0.26
-Requires:       xdg-utils >= 1.2.0
-Requires:       coreutils >= 9.5
-Requires:       bash >= 5.2.26
+Requires:       xdg-utils >= 1.1.3
+Requires:       coreutils >= 9.4
+Requires:       bash >= 5.2.21
 Requires:       freetype >= 2.13
 
 %description

v2rayN/Directory.Build.props

@@ -1,7 +1,7 @@
 <Project>
 
     <PropertyGroup>
-        <Version>7.23.4</Version>
+        <Version>7.24.4</Version>
     </PropertyGroup>
 
     <PropertyGroup>

v2rayN/Directory.Packages.props

@@ -9,13 +9,13 @@
     <PackageVersion Include="Avalonia.Controls.DataGrid" Version="12.1.0" />
     <PackageVersion Include="Avalonia.Desktop" Version="12.1.0" />
     <PackageVersion Include="AvaloniaUI.DiagnosticsSupport" Version="2.2.3" />
-    <PackageVersion Include="AwesomeAssertions" Version="9.4.0" />
-    <PackageVersion Include="DialogHost.Avalonia" Version="0.12.2" />
+    <PackageVersion Include="AwesomeAssertions" Version="9.5.0" />
+    <PackageVersion Include="DialogHost.Avalonia" Version="0.12.3" />
     <PackageVersion Include="IPNetwork2" Version="4.3.0" />
     <PackageVersion Include="ReactiveUI.Avalonia" Version="12.0.3" />
     <PackageVersion Include="CliWrap" Version="3.10.2" />
-    <PackageVersion Include="Downloader" Version="5.9.4" />
-    <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.7.0" />
+    <PackageVersion Include="Downloader" Version="5.9.5" />
+    <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.8.1" />
     <PackageVersion Include="H.NotifyIcon.Wpf" Version="2.4.1" />
     <PackageVersion Include="MaterialDesignThemes" Version="5.3.2" />
     <PackageVersion Include="QRCoder" Version="1.8.0" />
@@ -27,7 +27,7 @@
     <PackageVersion Include="Semi.Avalonia.DataGrid" Version="12.1.0" />
     <PackageVersion Include="NLog" Version="6.1.4" />
     <PackageVersion Include="sqlite-net-e" Version="1.11.285" />
-    <PackageVersion Include="Repobot.SQLite.Unofficial" Version="3.53.3.8" />
+    <PackageVersion Include="Repobot.SQLite.Unofficial" Version="3.53.3.10" />
     <PackageVersion Include="TaskScheduler" Version="2.12.2" />
     <PackageVersion Include="WebDav.Client" Version="2.9.0" />
     <PackageVersion Include="xunit.runner.visualstudio" Version="3.1.5" />

v2rayN/ServiceLib.Tests/CoreConfig/CoreConfigTestFactory.cs

@@ -59,7 +59,7 @@ internal static class CoreConfigTestFactory
                 },
             WebDavItem = new WebDavItem(),
             CheckUpdateItem = new CheckUpdateItem(),
-            Fragment4RayItem = new Fragment4RayItem { Packets = "tlshello", Length = "100-200", Interval = "10-20" },
+            Fragment4RayItem = new Fragment4RayItem { Packets = "tlshello", Lengths = ["100-200"], Delays = ["10-20"] },
             Inbound =
             [
                 new InItem
@@ -84,6 +84,7 @@ internal static class CoreConfigTestFactory
                 ParallelQuery = false,
                 Strategy4Freedom = Global.AsIs,
                 Strategy4Proxy = Global.AsIs,
+                Strategy4ProxyDial = Global.AsIs,
             },
             IndexId = string.Empty,
             SubIndexId = string.Empty,

v2rayN/ServiceLib.Tests/CoreConfig/Singbox/CoreConfigSingboxServiceTests.cs

@@ -592,4 +592,38 @@ public class CoreConfigSingboxServiceTests
         proxy.realm.stun_servers.Should().Contain("turn.cloudflare.com:3478");
         proxy.server.Should().BeNull();
     }
+
+    [Fact]
+    public void GenerateClientConfigContent_TunSystemStackWithIpv6_ShouldUsePrefixWithPeerAddress()
+    {
+        // Regression test for #9820: sing-box fails with "need one more IPv6 address in
+        // first prefix for system stack" when the TUN inbound uses a /128 IPv6 prefix.
+        var config = CoreConfigTestFactory.CreateConfig(ECoreType.sing_box);
+        config.TunModeItem.EnableTun = true;
+        config.TunModeItem.Stack = "system";
+        config.TunModeItem.EnableIPv6Address = true;
+        CoreConfigTestFactory.BindAppManagerConfig(config);
+
+        var node = CoreConfigTestFactory.CreateVmessNode(ECoreType.sing_box);
+        var context = CoreConfigTestFactory.CreateContext(config, node, ECoreType.sing_box) with
+        {
+            IsTunEnabled = true,
+        };
+
+        var result = new CoreConfigSingboxService(context).GenerateClientConfigContent();
+
+        result.Success.Should().BeTrue($"ret msg: {result.Msg}");
+        var cfg = JsonUtils.Deserialize<SingboxConfig>(result.Data!.ToString())!;
+        var tun = cfg.inbounds.First(i => i.type == "tun");
+
+        tun.address.Should().NotBeNullOrEmpty();
+        foreach (var address in tun.address!)
+        {
+            var prefixLength = int.Parse(address[(address.LastIndexOf('/') + 1)..]);
+            var isIpv6 = address.Contains(':');
+            prefixLength.Should().BeLessThanOrEqualTo(isIpv6 ? 126 : 30,
+                $"'{address}' must leave room for the peer address the system stack derives");
+        }
+    }
+
 }

v2rayN/ServiceLib.Tests/CoreConfig/V2ray/CoreConfigV2rayServiceTests.cs

@@ -567,7 +567,7 @@ public class CoreConfigV2rayServiceTests
 
         var directOutbound = cfg.outbounds.FirstOrDefault(o => o.tag == Global.DirectTag && o.protocol == "freedom");
         directOutbound.Should().NotBeNull();
-        directOutbound!.settings.domainStrategy.Should().Be("UseIPv4");
+        directOutbound!.streamSettings.sockopt!.domainStrategy.Should().Be("UseIPv4");
     }
 
     [Fact]

v2rayN/ServiceLib.Tests/Manager/CoreManagerTests.cs

@@ -0,0 +1,44 @@
+using AwesomeAssertions;
+using ServiceLib.Enums;
+using ServiceLib.Manager;
+using Xunit;
+
+namespace ServiceLib.Tests.Manager;
+
+public class CoreManagerTests
+{
+    [Theory]
+    [InlineData(ECoreType.sing_box)]
+    [InlineData(ECoreType.mihomo)]
+    [InlineData(ECoreType.Xray)]
+    public void ShouldRunAsSudo_TunLaunchOnNonWindows_RequiresElevation(ECoreType coreType)
+    {
+        CoreManager.ShouldRunAsSudo(isTunLaunch: true, coreType, isNonWindows: true).Should().BeTrue();
+    }
+
+    [Fact]
+    public void ShouldRunAsSudo_NonTunLaunch_ShouldNotElevate()
+    {
+        // Regression guard for the macOS TUN failure: the elevation decision must follow
+        // the context snapshot that generated the config. A launch whose snapshot has TUN
+        // disabled must never elevate, and a launch whose snapshot has TUN enabled must
+        // elevate regardless of later changes to the live config.
+        CoreManager.ShouldRunAsSudo(isTunLaunch: false, ECoreType.sing_box, isNonWindows: true).Should().BeFalse();
+        CoreManager.ShouldRunAsSudo(isTunLaunch: false, ECoreType.Xray, isNonWindows: true).Should().BeFalse();
+    }
+
+    [Fact]
+    public void ShouldRunAsSudo_OnWindows_ShouldNotElevate()
+    {
+        CoreManager.ShouldRunAsSudo(isTunLaunch: true, ECoreType.sing_box, isNonWindows: false).Should().BeFalse();
+    }
+
+    [Theory]
+    [InlineData(ECoreType.v2fly)]
+    [InlineData(ECoreType.hysteria)]
+    [InlineData(null)]
+    public void ShouldRunAsSudo_UnsupportedCoreType_ShouldNotElevate(ECoreType? coreType)
+    {
+        CoreManager.ShouldRunAsSudo(isTunLaunch: true, coreType, isNonWindows: true).Should().BeFalse();
+    }
+}

v2rayN/ServiceLib/Common/Utils.cs

@@ -485,12 +485,17 @@ public class Utils
 
     public static string? DomainStrategy4Sbox(string? strategy)
     {
+        if (strategy is null)
+        {
+            return null;
+        }
+
         return strategy switch
         {
-            not null when strategy.StartsWith("UseIPv4") => "prefer_ipv4",
-            not null when strategy.StartsWith("UseIPv6") => "prefer_ipv6",
-            not null when strategy.StartsWith("ForceIPv4") => "ipv4_only",
-            not null when strategy.StartsWith("ForceIPv6") => "ipv6_only",
+            _ when strategy.StartsWith("UseIPv6") => "prefer_ipv6",
+            _ when strategy.StartsWith("UseIP") => "prefer_ipv4",
+            _ when strategy.StartsWith("ForceIPv6") => "ipv6_only",
+            _ when strategy.StartsWith("ForceIP") => "ipv4_only",
             _ => null
         };
     }

v2rayN/ServiceLib/Global.cs

@@ -2,8 +2,6 @@ namespace ServiceLib;
 
 public class Global
 {
-    #region const
-
     public const string AppName = "v2rayN";
     public const string GithubUrl = "https://github.com";
     public const string GithubApiUrl = "https://api.github.com/repos";
@@ -106,9 +104,7 @@ public class Global
     public const string SingboxFakeDNSTag = "fake_dns";
 
     public const int Hysteria2DefaultHopInt = 30;
-
     public const string PolicyGroupExcludeKeywords = @"剩余|过期|到期|重置|[Rr]emaining|[Ee]xpir|[Rr]eset";
-
     public const string PolicyGroupDefaultAllFilter = $"^(?!.*(?:{PolicyGroupExcludeKeywords})).*$";
 
     public static readonly List<string> PolicyGroupDefaultFilterList =
@@ -557,7 +553,6 @@ public class Global
         "http",
         "tls",
         "quic",
-        "fakedns",
     ];
 
     public static readonly List<int> TunMtus =
@@ -737,6 +732,12 @@ public class Global
         "reply",
     ];
 
+    public static readonly List<string> FakeIPRanges =
+    [
+        "198.18.0.0/15",
+        "11.0.0.0/8",
+    ];
+
     public static readonly List<string> RootCertProviders =
     [
         "system",
@@ -744,5 +745,29 @@ public class Global
         MozillaRootProvider,
     ];
 
-    #endregion const
+    public static readonly IReadOnlyList<string> TunIPv4Address =
+    [
+        "172.18.0.1/30",
+        "172.31.0.1/30",
+        "172.20.0.1/30",
+        "172.16.0.1/30",
+        "192.168.100.1/30",
+        "10.10.14.1/30",
+        "10.1.0.1/30",
+        "10.0.0.1/30",
+    ];
+
+    // Prefixes must leave room for a peer address (max /126); the sing-box system
+    // stack derives a gateway from the first prefix and rejects single-address prefixes.
+    public static readonly IReadOnlyList<string> TunIPv6Address =
+    [
+        "fc00::172:18:0:1/126",
+        "fc00::172:31:0:1/126",
+        "fc00::172:20:0:1/126",
+        "fc00::172:16:0:1/126",
+        "fc00::192:168:100:1/126",
+        "fc00::10:10:14:1/126",
+        "fc00::10:1:0:1/126",
+        "fc00::10:0:0:1/126",
+    ];
 }

v2rayN/ServiceLib/GlobalUsings.cs

@@ -30,8 +30,8 @@ global using ServiceLib.Handler.Fmt;
 global using ServiceLib.Handler.SysProxy;
 global using ServiceLib.Helper;
 global using ServiceLib.Manager;
-global using ServiceLib.Models.CoreConfigs;
 global using ServiceLib.Models.Configs;
+global using ServiceLib.Models.CoreConfigs;
 global using ServiceLib.Models.Dto;
 global using ServiceLib.Models.Entities;
 global using ServiceLib.Resx;

v2rayN/ServiceLib/Handler/Builder/CoreConfigContextBuilder.cs

@@ -49,6 +49,7 @@ public class CoreConfigContextBuilder
             RoutingItem = await ConfigHandler.GetDefaultRouting(config),
             IsWindows = Utils.IsWindows(),
             IsMacOS = Utils.IsMacOS(),
+            ProtectCoreTypeList = config.TunModeItem.EnableTun ? [ECoreType.Xray, ECoreType.sing_box] : []
         };
         var validatorResult = NodeValidatorResult.Empty();
         var (actNode, nodeValidatorResult) = await ResolveNodeAsync(context, node);

v2rayN/ServiceLib/Handler/ConfigHandler.cs

@@ -92,7 +92,7 @@ public static class ConfigHandler
             EnableTun = false,
             Mtu = 9000,
             IcmpRouting = Global.TunIcmpRoutingPolicies.First(),
-            EnableLegacyProtect = false,
+            EnableLegacyProtect = true,
         };
         config.GuiItem ??= new();
         if (!Global.RootCertProviders.Contains(config.GuiItem.RootCertProvider))
@@ -115,10 +115,12 @@ public static class ConfigHandler
         config.ConstItem ??= new ConstItem();
 
         config.SimpleDNSItem ??= InitBuiltinSimpleDNS();
+        config.SimpleDNSItem.FakeIPRange ??= Global.FakeIPRanges.FirstOrDefault();
         config.SimpleDNSItem.GlobalFakeIp ??= true;
         config.SimpleDNSItem.BootstrapDNS ??= Global.DomainPureIPDNSAddress.FirstOrDefault();
         config.SimpleDNSItem.ServeStale ??= false;
         config.SimpleDNSItem.ParallelQuery ??= false;
+        config.SimpleDNSItem.EnableHappyEyeballs ??= false;
 
         config.SpeedTestItem ??= new();
         if (config.SpeedTestItem.SpeedTestTimeout < 10)
@@ -168,10 +170,24 @@ public static class ConfigHandler
         config.Fragment4RayItem ??= new()
         {
             Packets = "tlshello",
-            Length = "50-100",
-            Interval = "10-20",
-            MaxSplit = "0"
         };
+        config.Fragment4RayItem.MaxSplit ??= "0";
+
+        config.HappyEyeballs4RayItem ??= new()
+        {
+            TryDelayMs = 250,
+            PrioritizeIPv6 = false,
+            Interleave = 1,
+            MaxConcurrentTry = 4,
+        };
+        if ((config.Fragment4RayItem.Lengths ?? []).Count == 0)
+        {
+            config.Fragment4RayItem.Lengths = [config.Fragment4RayItem.Length ?? "50-100"];
+        }
+        if ((config.Fragment4RayItem.Delays ?? []).Count == 0)
+        {
+            config.Fragment4RayItem.Delays = [config.Fragment4RayItem.Interval ?? "10-20"];
+        }
         config.GlobalHotkeys ??= [];
 
         if (config.SystemProxyItem.SystemProxyExceptions.IsNullOrEmpty())

v2rayN/ServiceLib/Handler/CoreConfigHandler.cs

@@ -17,7 +17,7 @@ public static class CoreConfigHandler
         {
             result = node.CoreType switch
             {
-                ECoreType.mihomo => await new CoreConfigClashService(config).GenerateClientCustomConfig(node, fileName),
+                ECoreType.mihomo => await new CoreConfigClashService(config, context.IsTunEnabled).GenerateClientCustomConfig(node, fileName),
                 _ => await GenerateClientCustomConfig(node, fileName)
             };
         }

v2rayN/ServiceLib/Handler/SysProxy/SysProxyHandler.cs

@@ -16,7 +16,6 @@ public static class SysProxyHandler
         try
         {
             var port = AppManager.Instance.GetLocalPort(EInboundProtocol.socks);
-            var exceptions = config.SystemProxyItem.SystemProxyExceptions.Replace(" ", "");
             if (port <= 0)
             {
                 return false;
@@ -24,17 +23,18 @@ public static class SysProxyHandler
             switch (type)
             {
                 case ESysProxyType.ForcedChange when Utils.IsWindows():
-                    {
-                        GetWindowsProxyString(config, port, out var strProxy, out var strExceptions);
-                        ProxySettingWindows.SetProxy(strProxy, strExceptions, 2);
-                        break;
-                    }
+                    var (strProxy, strExceptions) = GetWindowsProxyString(config, port);
+                    ProxySettingWindows.SetProxy(strProxy, strExceptions, 2);
+                    break;
+
                 case ESysProxyType.ForcedChange when Utils.IsLinux():
+                    var exceptions = SanitizeExceptions(config);
                     await ProxySettingLinux.SetProxy(Global.Loopback, port, exceptions);
                     break;
 
                 case ESysProxyType.ForcedChange when Utils.IsMacOS():
-                    await ProxySettingOSX.SetProxy(Global.Loopback, port, exceptions);
+                    var exceptions2 = SanitizeExceptions(config);
+                    await ProxySettingOSX.SetProxy(Global.Loopback, port, exceptions2);
                     break;
 
                 case ESysProxyType.ForcedClear when Utils.IsWindows():
@@ -66,15 +66,31 @@ public static class SysProxyHandler
         return true;
     }
 
-    private static void GetWindowsProxyString(Config config, int port, out string strProxy, out string strExceptions)
+    private static string SanitizeExceptions(Config config)
     {
-        strExceptions = config.SystemProxyItem.SystemProxyExceptions.Replace(" ", "");
+        var exceptions = config.SystemProxyItem.SystemProxyExceptions;
+        if (exceptions.IsNullOrEmpty())
+        {
+            return string.Empty;
+        }
+
+        var items = exceptions
+            .Split(',', StringSplitOptions.TrimEntries | StringSplitOptions.RemoveEmptyEntries)
+            .Select(item => item.Replace(" ", string.Empty))
+            .Where(item => item.Length > 0);
+
+        return string.Join(',', items);
+    }
+
+    private static (string strProxy, string strExceptions) GetWindowsProxyString(Config config, int port)
+    {
+        var strExceptions = config.SystemProxyItem.SystemProxyExceptions.Replace(" ", "");
         if (config.SystemProxyItem.NotProxyLocalAddress)
         {
             strExceptions = $"<local>;{strExceptions}";
         }
 
-        strProxy = string.Empty;
+        var strProxy = string.Empty;
         if (config.SystemProxyItem.SystemProxyAdvancedProtocol.IsNullOrEmpty())
         {
             strProxy = $"{Global.Loopback}:{port}";
@@ -86,6 +102,8 @@ public static class SysProxyHandler
                 .Replace("{http_port}", port.ToString())
                 .Replace("{socks_port}", port.ToString());
         }
+
+        return (strProxy, strExceptions);
     }
 
     [SupportedOSPlatform("windows")]

v2rayN/ServiceLib/Manager/CoreAdminManager.cs

@@ -34,7 +34,18 @@ public class CoreAdminManager
         StringBuilder sb = new();
         sb.AppendLine("#!/bin/bash");
         var cmdLine = $"{fileName.AppendQuotes()} {string.Format(coreInfo.Arguments, Utils.GetBinConfigPath(configPath).AppendQuotes())}";
-        sb.AppendLine($"exec sudo -S -- {cmdLine}");
+
+        // Passing environment variables to the sudo command, here it only xray or sing-box.
+        if (coreInfo.Environment.Count > 0)
+        {
+            var envArgs = string.Join(" ", coreInfo.Environment.Where(kv => kv.Value.IsNotEmpty()).Select(kv => $"{kv.Key}={kv.Value.AppendQuotes()}"));
+            sb.AppendLine($"exec sudo -S -- env {envArgs} {cmdLine}");
+        }
+        else
+        {
+            sb.AppendLine($"exec sudo -S -- {cmdLine}");
+        }
+
         var shFilePath = await FileUtils.CreateLinuxShellFile("run_as_sudo.sh", sb.ToString(), true);
 
         var procService = new ProcessService(

v2rayN/ServiceLib/Manager/CoreManager.cs

@@ -85,7 +85,7 @@ public class CoreManager
         await CoreStop();
         await Task.Delay(100);
 
-        if (Utils.IsWindows() && _config.TunModeItem.EnableTun)
+        if (Utils.IsWindows() && (mainContext?.IsTunEnabled == true || preContext?.IsTunEnabled == true))
         {
             await Task.Delay(100);
             await WindowsUtils.RemoveTunDevice();
@@ -183,7 +183,7 @@ public class CoreManager
         var coreInfo = CoreInfoManager.Instance.GetCoreInfo(coreType);
 
         var displayLog = node.ConfigType != EConfigType.Custom || node.DisplayLog;
-        var proc = await RunProcess(coreInfo, Global.CoreConfigFileName, displayLog, true);
+        var proc = await RunProcess(coreInfo, Global.CoreConfigFileName, displayLog, true, context.IsTunEnabled);
         if (proc is null)
         {
             return;
@@ -201,7 +201,7 @@ public class CoreManager
             if (result.Success)
             {
                 var coreInfo = CoreInfoManager.Instance.GetCoreInfo(preCoreType);
-                var proc = await RunProcess(coreInfo, Global.CorePreConfigFileName, true, true);
+                var proc = await RunProcess(coreInfo, Global.CorePreConfigFileName, true, true, preContext.IsTunEnabled);
                 if (proc is null)
                 {
                     return;
@@ -222,7 +222,7 @@ public class CoreManager
         {
             return;
         }
-        if (!preContext.AppConfig.TunModeItem.EnableTun)
+        if (!preContext.IsTunEnabled)
         {
             return;
         }
@@ -289,7 +289,20 @@ public class CoreManager
 
     #region Process
 
-    private async Task<ProcessService?> RunProcess(CoreInfo? coreInfo, string configPath, bool displayLog, bool mayNeedSudo)
+    /// <summary>
+    ///     Decides whether a core launch must be elevated on non-Windows platforms.
+    ///     The TUN state comes from the immutable <see cref="CoreConfigContext" /> snapshot that
+    ///     generated the config, never from the live mutable config: the generated config and the
+    ///     launch mode must always agree, even if TUN is toggled while a reload is in flight.
+    /// </summary>
+    public static bool ShouldRunAsSudo(bool isTunLaunch, ECoreType? coreType, bool isNonWindows)
+    {
+        return isTunLaunch
+            && coreType is ECoreType.sing_box or ECoreType.mihomo or ECoreType.Xray
+            && isNonWindows;
+    }
+
+    private async Task<ProcessService?> RunProcess(CoreInfo? coreInfo, string configPath, bool displayLog, bool mayNeedSudo, bool isTunLaunch = false)
     {
         var fileName = CoreInfoManager.Instance.GetCoreExecFile(coreInfo, out var msg);
         if (fileName.IsNullOrEmpty())
@@ -301,9 +314,7 @@ public class CoreManager
         try
         {
             if (mayNeedSudo
-                && _config.TunModeItem.EnableTun
-                && (coreInfo.CoreType is ECoreType.sing_box or ECoreType.mihomo or ECoreType.Xray)
-                && Utils.IsNonWindows())
+                && ShouldRunAsSudo(isTunLaunch, coreInfo.CoreType, Utils.IsNonWindows()))
             {
                 _linuxSudo = true;
                 await CoreAdminManager.Instance.Init(_config, _updateFunc);

v2rayN/ServiceLib/Models/Configs/Config.cs

@@ -34,6 +34,7 @@ public class Config
     public List<KeyEventItem> GlobalHotkeys { get; set; }
     public List<CoreTypeItem> CoreTypeItem { get; set; }
     public SimpleDNSItem SimpleDNSItem { get; set; }
+    public HappyEyeballs4RayItem HappyEyeballs4RayItem { get; set; }
 
     #endregion other entities
 }

v2rayN/ServiceLib/Models/Configs/ConfigItems.cs

@@ -147,8 +147,10 @@ public class TunModeItem
     public int Mtu { get; set; }
     public bool EnableIPv6Address { get; set; }
     public string IcmpRouting { get; set; }
-    public bool EnableLegacyProtect { get; set; }
+    public bool EnableLegacyProtect { get; set; } = true;
     public List<string>? RouteExcludeAddress { get; set; }
+    public string IPv4Address { get; set; }
+    public string IPv6Address { get; set; }
 }
 
 [Serializable]
@@ -249,9 +251,15 @@ public class CheckUpdateItem
 public class Fragment4RayItem
 {
     public string? Packets { get; set; }
-    public string? Length { get; set; }
-    public string? Interval { get; set; }
+    public List<string>? Lengths { get; set; }
+    public List<string>? Delays { get; set; }
     public string? MaxSplit { get; set; }
+
+    // For migration from old version, remove those properties in the future
+    public string? Length { get; set; }
+
+    public string? Interval { get; set; }
+    // migration end
 }
 
 [Serializable]
@@ -269,14 +277,26 @@ public class SimpleDNSItem
     public bool? AddCommonHosts { get; set; }
     public bool? FakeIP { get; set; }
     public bool? GlobalFakeIp { get; set; }
+    public string? FakeIPRange { get; set; }
     public bool? BlockBindingQuery { get; set; }
     public string? DirectDNS { get; set; }
     public string? RemoteDNS { get; set; }
     public string? BootstrapDNS { get; set; }
     public string? Strategy4Freedom { get; set; }
     public string? Strategy4Proxy { get; set; }
+    public string? Strategy4ProxyDial { get; set; }
     public bool? ServeStale { get; set; }
     public bool? ParallelQuery { get; set; }
     public string? Hosts { get; set; }
     public string? DirectExpectedIPs { get; set; }
+    public bool? EnableHappyEyeballs { get; set; }
+}
+
+[Serializable]
+public class HappyEyeballs4RayItem
+{
+    public int? TryDelayMs { get; set; }
+    public bool? PrioritizeIPv6 { get; set; }
+    public int? Interleave { get; set; }
+    public int? MaxConcurrentTry { get; set; }
 }

v2rayN/ServiceLib/Models/CoreConfigs/V2rayConfig.cs

@@ -4,6 +4,7 @@ public class V2rayConfig
 {
     public Log4Ray log { get; set; }
     public object dns { get; set; }
+    public FakeDns4Ray? fakedns { get; set; }
     public List<Inbounds4Ray> inbounds { get; set; }
     public List<Outbounds4Ray> outbounds { get; set; }
     public Routing4Ray routing { get; set; }
@@ -43,6 +44,12 @@ public class Log4Ray
     public string? loglevel { get; set; }
 }
 
+public class FakeDns4Ray
+{
+    public string? ipPool { get; set; }
+    public long? poolSize { get; set; }
+}
+
 public class Inbounds4Ray
 {
     public string tag { get; set; }
@@ -136,8 +143,6 @@ public class Outboundsettings4Ray
 
     public Response4Ray? response { get; set; }
 
-    public string? domainStrategy { get; set; }
-
     public int? userLevel { get; set; }
 
     public string? secretKey { get; set; }
@@ -516,6 +521,8 @@ public class MaskSettings4Ray
 
     public string? length { get; set; }
     public string? delay { get; set; }
+    public List<string>? lengths { get; set; }
+    public List<string>? delays { get; set; }
     public int? maxSplit { get; set; }
 
     // noise
@@ -547,15 +554,20 @@ public class AccountsItem4Ray
 
 public class Sockopt4Ray
 {
+    public string? domainStrategy { get; set; }
+
     public string? dialerProxy { get; set; }
 
     [JsonPropertyName("interface")]
     public string? Interface { get; set; }
+
+    public HappyEyeballs4Ray? happyEyeballs { get; set; }
 }
 
-public class FragmentItem4Ray
+public class HappyEyeballs4Ray
 {
-    public string? packets { get; set; }
-    public string? length { get; set; }
-    public string? interval { get; set; }
+    public int? tryDelayMs { get; set; }
+    public bool? prioritizeIPv6 { get; set; }
+    public int? interleave { get; set; }
+    public int? maxConcurrentTry { get; set; }
 }

v2rayN/ServiceLib/Resx/ResUI.Designer.cs

@@ -3060,6 +3060,24 @@ namespace ServiceLib.Resx {
             }
         }
         
+        /// <summary>
+        ///   查找类似 Enable Happy Eyeballs 的本地化字符串。
+        /// </summary>
+        public static string TbEnableHappyEyeballs {
+            get {
+                return ResourceManager.GetString("TbEnableHappyEyeballs", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   查找类似 Requires the UseIP Strategy. When enabled, it attempts IPv4 and IPv6 connections simultaneously and automatically selects the faster available path. 的本地化字符串。
+        /// </summary>
+        public static string TbEnableHappyEyeballsTip {
+            get {
+                return ResourceManager.GetString("TbEnableHappyEyeballsTip", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   查找类似 DNS via Bridge 的本地化字符串。
         /// </summary>
@@ -3088,7 +3106,7 @@ namespace ServiceLib.Resx {
         }
         
         /// <summary>
-        ///   查找类似 Applies globally by default, with built-in FakeIP filtering (sing-box only). 的本地化字符串。
+        ///   查找类似 Applies globally by default, and built-in FakeIP filtering is only built into sing-box. 的本地化字符串。
         /// </summary>
         public static string TbFakeIPTips {
             get {
@@ -3330,6 +3348,24 @@ namespace ServiceLib.Resx {
             }
         }
         
+        /// <summary>
+        ///   查找类似 Ipv4 Address 的本地化字符串。
+        /// </summary>
+        public static string TbIpv4Address {
+            get {
+                return ResourceManager.GetString("TbIpv4Address", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   查找类似 Ipv6 Address 的本地化字符串。
+        /// </summary>
+        public static string TbIpv6Address {
+            get {
+                return ResourceManager.GetString("TbIpv6Address", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   查找类似 Most Stable 的本地化字符串。
         /// </summary>
@@ -3528,6 +3564,24 @@ namespace ServiceLib.Resx {
             }
         }
         
+        /// <summary>
+        ///   查找类似 Proxy Dial Resolution Strategy 的本地化字符串。
+        /// </summary>
+        public static string TbProxyDialResolveStrategy {
+            get {
+                return ResourceManager.GetString("TbProxyDialResolveStrategy", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   查找类似 Not recommended; may cause routing loops. 的本地化字符串。
+        /// </summary>
+        public static string TbProxyDialResolveStrategyTip {
+            get {
+                return ResourceManager.GetString("TbProxyDialResolveStrategyTip", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   查找类似 Public Key 的本地化字符串。
         /// </summary>

v2rayN/ServiceLib/Resx/ResUI.fa.resx

@@ -1495,7 +1495,7 @@
     <value>Select Profile</value>
   </data>
   <data name="TbFakeIPTips" xml:space="preserve">
-    <value>Applies globally by default, with built-in FakeIP filtering (sing-box only).</value>
+    <value>Applies globally by default, and built-in FakeIP filtering is only built into sing-box.</value>
   </data>
   <data name="PleaseAddAtLeastOneServer" xml:space="preserve">
     <value>Please Add At Least One Configuration</value>

v2rayN/ServiceLib/Resx/ResUI.fr.resx

@@ -1492,7 +1492,7 @@
     <value>Choisir une config.</value>
   </data>
   <data name="TbFakeIPTips" xml:space="preserve">
-    <value>Actif globalement par défaut, avec filtre FakeIP intégré ; ne fonctionne que dans sing-box</value>
+    <value>Applies globally by default, and built-in FakeIP filtering is only built into sing-box.</value>
   </data>
   <data name="PleaseAddAtLeastOneServer" xml:space="preserve">
     <value>Veuillez ajouter au moins une configuration</value>

v2rayN/ServiceLib/Resx/ResUI.hu.resx

@@ -1495,7 +1495,7 @@
     <value>Select Profile</value>
   </data>
   <data name="TbFakeIPTips" xml:space="preserve">
-    <value>Applies globally by default, with built-in FakeIP filtering (sing-box only).</value>
+    <value>Applies globally by default, and built-in FakeIP filtering is only built into sing-box.</value>
   </data>
   <data name="PleaseAddAtLeastOneServer" xml:space="preserve">
     <value>Please Add At Least One Configuration</value>

v2rayN/ServiceLib/Resx/ResUI.id.resx

@@ -1495,7 +1495,7 @@
     <value>Pilih profil</value>
   </data>
   <data name="TbFakeIPTips" xml:space="preserve">
-    <value>Berlaku secara global secara default, dengan filter FakeIP bawaan (hanya sing-box).</value>
+    <value>Applies globally by default, and built-in FakeIP filtering is only built into sing-box.</value>
   </data>
   <data name="PleaseAddAtLeastOneServer" xml:space="preserve">
     <value>Silakan tambahkan setidaknya satu konfigurasi.</value>

v2rayN/ServiceLib/Resx/ResUI.resx

@@ -1501,7 +1501,7 @@
     <value>Select Profile</value>
   </data>
   <data name="TbFakeIPTips" xml:space="preserve">
-    <value>Applies globally by default, with built-in FakeIP filtering (sing-box only).</value>
+    <value>Applies globally by default, and built-in FakeIP filtering is only built into sing-box.</value>
   </data>
   <data name="PleaseAddAtLeastOneServer" xml:space="preserve">
     <value>Please Add At Least One Configuration</value>
@@ -1780,7 +1780,7 @@ The "Get Certificate" action may fail if a self-signed certificate is used or if
     <value>New Update</value>
   </data>
   <data name="MsgAllowInsecureDeprecated" xml:space="preserve">
-    <value>Warning: Xray will disable allowInsecure (skip certificate verification) in August 2026. Please switch to pinnedPeerCertSha256 (fixed certificate fingerprint) as soon as possible. allowInsecure will not be usable after its expiration.</value>
+    <value>The current node uses an unencrypted connection, meaning your communications could be directly monitored by network intermediaries controlled by authoritarian governments. For security reasons, nodes of this type cannot connect via Xray-core versions 26.2.6 or higher. If this is a self-built node, please enable TLS or other secure encryption, or pin the certificate using pinSHA256. If this is an airport/provider node, please contact your service provider for a technical upgrade. If the provider refuses to cooperate, it is recommended to switch to a service provider that prioritizes user security. For more information, please visit https://github.com/2dust/v2rayN/discussions/9460.</value>
   </data>
   <data name="TbRouteExcludeAddress" xml:space="preserve">
     <value>Route Exclude Address</value>
@@ -1830,4 +1830,22 @@ The "Get Certificate" action may fail if a self-signed certificate is used or if
   <data name="TbRootCertificateProviderTip" xml:space="preserve">
     <value>Only applies to the v2rayN GUI's downloads and network requests. Does not affect the core's certificate validation.</value>
   </data>
-</root>
+  <data name="TbProxyDialResolveStrategy" xml:space="preserve">
+    <value>Proxy Dial Resolution Strategy</value>
+  </data>
+  <data name="TbProxyDialResolveStrategyTip" xml:space="preserve">
+    <value>Not recommended; may cause routing loops.</value>
+  </data>
+  <data name="TbEnableHappyEyeballs" xml:space="preserve">
+    <value>Enable Happy Eyeballs</value>
+  </data>
+  <data name="TbEnableHappyEyeballsTip" xml:space="preserve">
+    <value>Requires the UseIP Strategy. When enabled, it attempts IPv4 and IPv6 connections simultaneously and automatically selects the faster available path.</value>
+  </data>
+  <data name="TbIpv6Address" xml:space="preserve">
+    <value>Ipv6 Address</value>
+  </data>
+  <data name="TbIpv4Address" xml:space="preserve">
+    <value>Ipv4 Address</value>
+  </data>
+</root>

v2rayN/ServiceLib/Resx/ResUI.ru.resx

@@ -1501,7 +1501,7 @@
     <value>Выбрать профиль</value>
   </data>
   <data name="TbFakeIPTips" xml:space="preserve">
-    <value>По умолчанию применяется глобально, со встроенной фильтрацией FakeIP (только sing-box).</value>
+    <value>Applies globally by default, and built-in FakeIP filtering is only built into sing-box.</value>
   </data>
   <data name="PleaseAddAtLeastOneServer" xml:space="preserve">
     <value>Добавьте хотя бы одну конфигурацию</value>

v2rayN/ServiceLib/Resx/ResUI.zh-Hans.resx

@@ -1498,7 +1498,7 @@
     <value>选择配置</value>
   </data>
   <data name="TbFakeIPTips" xml:space="preserve">
-    <value>默认全局生效，内置 FakeIP 过滤，仅在 sing-box 中生效</value>
+    <value>默认全局生效，仅在 sing-box 中内置 FakeIP 过滤。</value>
   </data>
   <data name="PleaseAddAtLeastOneServer" xml:space="preserve">
     <value>请至少添加一个配置</value>
@@ -1774,7 +1774,11 @@
     <value>有更新</value>
   </data>
   <data name="MsgAllowInsecureDeprecated" xml:space="preserve">
-    <value>警告：Xray 将在 2026.8.1 禁用跳过证书验证 allowInsecure ，请尽快改用证书固定指纹 pinnedPeerCertSha256。到期后无法使用 </value>
+    <value>当前节点使用未加密连接，您的通信可能会被威权政府掌控的网络中间设施直接查看
+为了安全，此类节点无法通过 26.2.6+ 版本的Xray核心连接
+如果是自建节点请启用 TLS 等安全加密，或固定证书 pinSHA256
+如果机场节点请联系服务商完成技术升级，如服务商拒绝配合，建议更换更重视用户安全的服务商
+更多的信息，请访问 https://github.com/2dust/v2rayN/discussions/9460</value>
   </data>
   <data name="TbVerifyPeerCertByName" xml:space="preserve">
     <value>Verify Peer Cert By Name</value>
@@ -1827,4 +1831,22 @@
   <data name="TbRootCertificateProviderTip" xml:space="preserve">
     <value>仅用于 v2rayN 界面程序的下载及网络请求，不影响核心的证书验证。</value>
   </data>
-</root>
+  <data name="TbProxyDialResolveStrategy" xml:space="preserve">
+    <value>连接代理解析策略</value>
+  </data>
+  <data name="TbProxyDialResolveStrategyTip" xml:space="preserve">
+    <value>不建议开启，特殊情况可能回环。</value>
+  </data>
+  <data name="TbEnableHappyEyeballs" xml:space="preserve">
+    <value>启用 Happy Eyeballs</value>
+  </data>
+  <data name="TbEnableHappyEyeballsTip" xml:space="preserve">
+    <value>需配合 UseIP 策略使用。启用后将同时尝试 IPv4 和 IPv6 连接，并自动选择更快可用的路径。</value>
+  </data>
+  <data name="TbIpv6Address" xml:space="preserve">
+    <value>Ipv6 地址</value>
+  </data>
+  <data name="TbIpv4Address" xml:space="preserve">
+    <value>Ipv4 地址</value>
+  </data>
+</root>

v2rayN/ServiceLib/Resx/ResUI.zh-Hant.resx

@@ -1498,7 +1498,7 @@
     <value>選擇節點</value>
   </data>
   <data name="TbFakeIPTips" xml:space="preserve">
-    <value>默認全域生效，內置 FakeIP 過濾，僅在 sing-box 中生效</value>
+    <value>默認全局生效，僅在 sing-box 中內置 FakeIP 過濾。</value>
   </data>
   <data name="PleaseAddAtLeastOneServer" xml:space="preserve">
     <value>請至少添加一個節點</value>
@@ -1774,7 +1774,11 @@
     <value>有更新</value>
   </data>
   <data name="MsgAllowInsecureDeprecated" xml:space="preserve">
-    <value>警告：Xray 將在 2026.8.1 停用跳過憑證驗證 allowInsecure ，請盡快改用憑證固定指紋 pinnedPeerCertSha256。到期後無法使用 allowInsecure。</value>
+    <value>目前節點使用未加密連接，您的通訊可能會被威權政府掌控的網路中間設施直接查看
+為了安全，此類節點無法透過 26.2.6+ 版本的Xray核心連接
+如果是自建節點請啟用 TLS 等安全加密，或固定憑證 pinSHA256
+若機場節點請聯絡服務商完成技術升級，如服務商拒絕配合，建議更換更重視用戶安全的服務商
+更多的信息，請訪問 https://github.com/2dust/v2rayN/discussions/9460</value>
   </data>
   <data name="TbVerifyPeerCertByName" xml:space="preserve">
     <value>Verify Peer Cert By Name</value>
@@ -1827,4 +1831,22 @@
   <data name="TbRootCertificateProviderTip" xml:space="preserve">
     <value>僅適用於 v2rayN GUI 的下載與網路請求，不影響核心的憑證驗證</value>
   </data>
-</root>
+  <data name="TbProxyDialResolveStrategy" xml:space="preserve">
+    <value>連線代理解析策略</value>
+  </data>
+  <data name="TbProxyDialResolveStrategyTip" xml:space="preserve">
+    <value>不建議啟用，特殊情況可能造成連線循環</value>
+  </data>
+  <data name="TbEnableHappyEyeballs" xml:space="preserve">
+    <value>啟用 Happy Eyeballs</value>
+  </data>
+  <data name="TbEnableHappyEyeballsTip" xml:space="preserve">
+    <value>需搭配 UseIP 策略，啟用後會同時嘗試 IPv4 與 IPv6 連線，並自動選擇速度較快的路徑</value>
+  </data>
+  <data name="TbIpv6Address" xml:space="preserve">
+    <value>Ipv6 位址</value>
+  </data>
+  <data name="TbIpv4Address" xml:space="preserve">
+    <value>Ipv4 位址</value>
+  </data>
+</root>

v2rayN/ServiceLib/Sample/SampleTunInbound

@@ -1,27 +1,28 @@
 {
-  "tag": "tun",
-  "protocol": "tun",
-  "settings": {
-    "name": "xray_tun",
-    "MTU": 9000,
-    "gateway": [
-      "172.18.0.1/30",
-      "fdfe:dcba:9876::1/126"
-    ],
-    "dns": [
-      "172.18.0.1"
-    ],
-    "autoSystemRoutingTable": [
-      "0.0.0.0/0",
-      "::/0"
-    ],
-    "autoOutboundsInterface": "auto"
-  },
-  "sniffing": {
-    "enabled": true,
-    "destOverride": [
-      "http",
-      "tls"
-    ]
-  }
-}
+    "tag": "tun",
+    "protocol": "tun",
+    "settings": {
+        "name": "xray_tun",
+        "MTU": 9000,
+        "gateway": [
+            "172.18.0.1/30",
+            "fdfe:dcba:9876::1/126"
+        ],
+        "dns": [
+            "1.1.1.1",
+            "8.8.8.8"
+        ],
+        "autoSystemRoutingTable": [
+            "0.0.0.0/0",
+            "::/0"
+        ],
+        "autoOutboundsInterface": "auto"
+    },
+    "sniffing": {
+        "enabled": true,
+        "destOverride": [
+            "http",
+            "tls"
+        ]
+    }
+}

v2rayN/ServiceLib/Services/CoreConfig/CoreConfigClashService.cs

@@ -1,9 +1,11 @@
 namespace ServiceLib.Services.CoreConfig;
 
 /// <summary>
-/// Core configuration file processing class
+/// Core configuration file processing class.
+/// The TUN state is taken as a snapshot so the generated config always agrees
+/// with the launch elevation decision (see CoreManager.ShouldRunAsSudo).
 /// </summary>
-public class CoreConfigClashService(Config config)
+public class CoreConfigClashService(Config config, bool isTunEnabled)
 {
     private static readonly string _tag = "CoreConfigClashService";
 
@@ -102,7 +104,7 @@ public class CoreConfigClashService(Config config)
             }
 
             //enable tun mode
-            if (config.TunModeItem.EnableTun)
+            if (isTunEnabled)
             {
                 var tun = EmbedUtils.GetEmbedText(Global.ClashTunYaml);
                 if (tun.IsNotEmpty())
@@ -171,7 +173,7 @@ public class CoreConfigClashService(Config config)
         }
         foreach (var item in mixinContent)
         {
-            if (!config.TunModeItem.EnableTun && item.Key == "tun")
+            if (!isTunEnabled && item.Key == "tun")
             {
                 continue;
             }

v2rayN/ServiceLib/Services/CoreConfig/Singbox/SingboxDnsService.cs

@@ -137,12 +137,12 @@ public partial class CoreConfigSingboxService
         // fake ip
         if (simpleDnsItem.FakeIP == true)
         {
+            var fakeipRange = simpleDnsItem.FakeIPRange.IsNullOrEmpty() ? Global.FakeIPRanges.First() : simpleDnsItem.FakeIPRange;
             var fakeip = new Server4Sbox
             {
                 tag = Global.SingboxFakeDNSTag,
                 type = "fakeip",
-                inet4_range = "198.18.0.0/15",
-                inet6_range = "fc00::/18",
+                inet4_range = fakeipRange,
             };
             _coreConfig.dns.servers.Add(fakeip);
         }
@@ -171,7 +171,7 @@ public partial class CoreConfigSingboxService
             _coreConfig.dns.rules.Add(new()
             {
                 server = Global.SingboxDirectDNSTag,
-                strategy = Utils.DomainStrategy4Sbox(simpleDnsItem.Strategy4Freedom),
+                strategy = Utils.DomainStrategy4Sbox(simpleDnsItem.Strategy4ProxyDial),
                 domain = context.ProtectDomainList.ToList(),
             });
         }
@@ -266,7 +266,7 @@ public partial class CoreConfigSingboxService
             });
         }
 
-        if (simpleDnsItem.FakeIP == true && simpleDnsItem.GlobalFakeIp == true)
+        if (simpleDnsItem.FakeIP == true && simpleDnsItem.GlobalFakeIp != false)
         {
             var fakeipFilterRule = JsonUtils.Deserialize<Rule4Sbox>(EmbedUtils.GetEmbedText(Global.SingboxFakeIPFilterFileName));
             fakeipFilterRule.invert = true;

v2rayN/ServiceLib/Services/CoreConfig/Singbox/SingboxInboundService.cs

@@ -67,9 +67,13 @@ public partial class CoreConfigSingboxService
                 tunInbound.auto_route = _config.TunModeItem.AutoRoute;
                 tunInbound.strict_route = _config.TunModeItem.StrictRoute;
                 tunInbound.stack = _config.TunModeItem.Stack;
-                if (_config.TunModeItem.EnableIPv6Address == false)
+
+                var address = _config.TunModeItem.IPv4Address.NullIfEmpty() ?? Global.TunIPv4Address.First();
+                tunInbound.address = [address];
+                if (_config.TunModeItem.EnableIPv6Address == true)
                 {
-                    tunInbound.address = ["172.18.0.1/30"];
+                    var address6 = _config.TunModeItem.IPv6Address.NullIfEmpty() ?? Global.TunIPv6Address.First();
+                    tunInbound.address.Add(address6);
                 }
                 tunInbound.route_exclude_address = _config.TunModeItem.RouteExcludeAddress;
 

v2rayN/ServiceLib/Services/CoreConfig/Singbox/SingboxOutboundService.cs

@@ -417,11 +417,15 @@ public partial class CoreConfigSingboxService
             var tls = new Tls4Sbox()
             {
                 enabled = true,
-                record_fragment = _config.CoreBasicItem.EnableFragment ? true : null,
                 server_name = serverName,
                 insecure = _node.GetAllowInsecure(),
                 alpn = _node.GetAlpn(),
             };
+            if (_config.CoreBasicItem.EnableFragment == true)
+            {
+                tls.fragment = true;
+                tls.record_fragment = true;
+            }
             if (_node.Fingerprint.IsNotEmpty())
             {
                 tls.utls = new Utls4Sbox()

v2rayN/ServiceLib/Services/CoreConfig/Singbox/SingboxRoutingService.cs

@@ -10,18 +10,27 @@ public partial class CoreConfigSingboxService
             var simpleDnsItem = context.SimpleDnsItem;
 
             var defaultDomainResolverTag = Global.SingboxDirectDNSTag;
-            var directDnsStrategy = Utils.DomainStrategy4Sbox(simpleDnsItem.Strategy4Freedom);
+            var dialDnsStrategy = Utils.DomainStrategy4Sbox(simpleDnsItem.Strategy4ProxyDial);
 
             var rawDNSItem = context.RawDnsItem;
             if (rawDNSItem is { Enabled: true })
             {
                 defaultDomainResolverTag = Global.SingboxLocalDNSTag;
-                directDnsStrategy = rawDNSItem.DomainStrategy4Freedom.IsNullOrEmpty() ? null : rawDNSItem.DomainStrategy4Freedom;
+                dialDnsStrategy = rawDNSItem.DomainStrategy4Freedom.IsNullOrEmpty() ? null : rawDNSItem.DomainStrategy4Freedom;
+            }
+            else if (!simpleDnsItem.Strategy4Freedom.IsNullOrEmpty())
+            {
+                var directOutbound = _coreConfig.outbounds.FirstOrDefault(o => o.tag == Global.DirectTag);
+                directOutbound?.domain_resolver = new()
+                {
+                    server = defaultDomainResolverTag,
+                    strategy = Utils.DomainStrategy4Sbox(simpleDnsItem.Strategy4Freedom),
+                };
             }
             _coreConfig.route.default_domain_resolver = new()
             {
                 server = defaultDomainResolverTag,
-                strategy = directDnsStrategy
+                strategy = dialDnsStrategy
             };
 
             if (context.IsTunEnabled)
@@ -35,18 +44,21 @@ public partial class CoreConfigSingboxService
                 }
 
                 var lstDirectExe = BuildRoutingDirectExe();
-                _coreConfig.route.rules.Add(new()
+                if (lstDirectExe.Count > 0)
                 {
-                    port = [53],
-                    action = "hijack-dns",
-                    process_path = lstDirectExe
-                });
+                    _coreConfig.route.rules.Add(new()
+                    {
+                        port = [53],
+                        action = "hijack-dns",
+                        process_path = lstDirectExe,
+                    });
 
-                _coreConfig.route.rules.Add(new()
-                {
-                    outbound = Global.DirectTag,
-                    process_path = lstDirectExe
-                });
+                    _coreConfig.route.rules.Add(new()
+                    {
+                        outbound = Global.DirectTag,
+                        process_path = lstDirectExe,
+                    });
+                }
 
                 // ICMP Routing
                 var icmpRouting = _config.TunModeItem.IcmpRouting ?? "";

v2rayN/ServiceLib/Services/CoreConfig/V2ray/V2rayDnsService.cs

@@ -28,7 +28,7 @@ public partial class CoreConfigV2rayService
                 _coreConfig.routing.rules.Add(new RulesItem4Ray
                 {
                     type = "field",
-                    inboundTag = new List<string> { Global.DnsTag },
+                    inboundTag = [Global.DnsTag],
                     outboundTag = Global.ProxyTag,
                 });
                 return;
@@ -43,11 +43,7 @@ public partial class CoreConfigV2rayService
                 var outbound = _coreConfig.outbounds.FirstOrDefault(t => t is { protocol: "freedom", tag: Global.DirectTag });
                 if (outbound != null)
                 {
-                    outbound.settings = new()
-                    {
-                        domainStrategy = strategy4Freedom,
-                        userLevel = 0
-                    };
+                    FillSockoptDomainStrategy(outbound, strategy4Freedom);
                 }
             }
 
@@ -64,6 +60,22 @@ public partial class CoreConfigV2rayService
                     .ForEach(outbound => outbound.targetStrategy = strategy4Proxy);
             }
 
+            var strategy4DialProxy = simpleDnsItem?.Strategy4ProxyDial ?? Global.AsIs;
+            //Outbound DialProxy domainStrategy
+            if (strategy4DialProxy.IsNotEmpty() && strategy4DialProxy != Global.AsIs)
+            {
+                var xraySupportConfigTypeNames = Global.XraySupportConfigType
+                        .Select(x => x == EConfigType.Hysteria2 ? "hysteria" : Global.ProtocolTypes[x])
+                        .ToHashSet();
+                _coreConfig.outbounds
+                    .Where(t => xraySupportConfigTypeNames.Contains(t.protocol))
+                    .ToList()
+                    .ForEach(outbound =>
+                    {
+                        FillSockoptDomainStrategy(outbound, strategy4DialProxy);
+                    });
+            }
+
             FillDnsServers(dnsItem);
             FillDnsHosts(dnsItem);
 
@@ -108,6 +120,33 @@ public partial class CoreConfigV2rayService
         }
     }
 
+    private void GenFakeDns()
+    {
+        var fakeipRange = _config.SimpleDNSItem.FakeIPRange.IsNullOrEmpty() ? Global.FakeIPRanges.First() : _config.SimpleDNSItem.FakeIPRange;
+        var poolSize = 65535L;
+        try
+        {
+            var fakeipNetwork = IPNetwork2.Parse(fakeipRange);
+            var totalIPs = fakeipNetwork.Total;
+            // see https://github.com/XTLS/Xray-core/blob/6e3322d219140a025285ded1114fe17a5edb74d8/app/dns/fakedns/fake.go#L88
+            // if math.Log2(float64(lruSize)) >= float64(rooms) { return errors.New("LRU size is bigger than subnet size").AtError() }
+            totalIPs -= 1;
+            if (totalIPs > 0)
+            {
+                poolSize = (totalIPs >= long.MaxValue) ? long.MaxValue : (long)totalIPs;
+            }
+        }
+        catch
+        {
+            // Ignore
+        }
+        _coreConfig.fakedns = new()
+        {
+            ipPool = fakeipRange,
+            poolSize = poolSize,
+        };
+    }
+
     private void FillDnsServers(Dns4Ray dnsItem)
     {
         var simpleDNSItem = context.SimpleDnsItem;
@@ -234,6 +273,23 @@ public partial class CoreConfigV2rayService
 
         var directDnsTagIndex = 1;
 
+        if (simpleDNSItem.FakeIP == true)
+        {
+            var fakeIPMatchDomain = new HashSet<string>(proxyDomainList);
+            fakeIPMatchDomain.UnionWith(proxyGeositeList);
+            if (simpleDNSItem.GlobalFakeIp != false)
+            {
+                fakeIPMatchDomain.UnionWith(directDomainList);
+                fakeIPMatchDomain.UnionWith(directGeositeList);
+                fakeIPMatchDomain.UnionWith(expectedDomainList);
+            }
+            if (fakeIPMatchDomain.Count > 0)
+            {
+                GenFakeDns();
+                AddDnsServers(["fakedns"], fakeIPMatchDomain.ToList());
+            }
+        }
+
         AddDnsServers(remoteDNSAddress, proxyDomainList);
         AddDnsServers(directDNSAddress, directDomainList, true);
         AddDnsServers(remoteDNSAddress, proxyGeositeList);
@@ -384,11 +440,9 @@ public partial class CoreConfigV2rayService
                 var outbound = _coreConfig.outbounds.FirstOrDefault(t => t is { protocol: "freedom", tag: Global.DirectTag });
                 if (outbound != null)
                 {
-                    outbound.settings = new()
-                    {
-                        domainStrategy = domainStrategy4Freedom,
-                        userLevel = 0,
-                    };
+                    outbound.streamSettings ??= new();
+                    outbound.streamSettings.sockopt ??= new();
+                    outbound.streamSettings.sockopt.domainStrategy = domainStrategy4Freedom;
                 }
             }
 
@@ -471,4 +525,28 @@ public partial class CoreConfigV2rayService
         };
         servers.AsArray().Add(JsonUtils.SerializeToNode(dnsServer));
     }
+
+    private void FillSockoptDomainStrategy(Outbounds4Ray outbound, string? domainStrategy, bool skipHappyEyeballs = false)
+    {
+        if (domainStrategy.IsNullOrEmpty())
+        {
+            return;
+        }
+        outbound.streamSettings ??= new();
+        outbound.streamSettings.sockopt ??= new();
+        var sockopt = outbound.streamSettings.sockopt;
+        sockopt.domainStrategy = domainStrategy;
+
+        if (skipHappyEyeballs || _config.SimpleDNSItem.EnableHappyEyeballs != true)
+        {
+            return;
+        }
+        var happyEyeballsItem = _config.HappyEyeballs4RayItem;
+        sockopt.happyEyeballs ??= new();
+        var happyEyeballs = sockopt.happyEyeballs;
+        happyEyeballs.tryDelayMs = happyEyeballsItem.TryDelayMs;
+        happyEyeballs.prioritizeIPv6 = happyEyeballsItem.PrioritizeIPv6;
+        happyEyeballs.interleave = happyEyeballsItem.Interleave;
+        happyEyeballs.maxConcurrentTry = happyEyeballsItem.MaxConcurrentTry;
+    }
 }

v2rayN/ServiceLib/Services/CoreConfig/V2ray/V2rayInboundService.cs

@@ -63,11 +63,17 @@ public partial class CoreConfigV2rayService
                     new Inbounds4Ray();
                 tunInbound.settings.name = context.IsMacOS ? $"utun{new Random().Next(99)}" : "xray_tun";
                 tunInbound.settings.MTU = _config.TunModeItem.Mtu;
-                if (!_config.TunModeItem.EnableIPv6Address)
+
+                var address = _config.TunModeItem.IPv4Address.NullIfEmpty() ?? Global.TunIPv4Address.First();
+                tunInbound.settings.gateway = [address];
+                tunInbound.settings.autoSystemRoutingTable = ["0.0.0.0/0"];
+                if (_config.TunModeItem.EnableIPv6Address == true)
                 {
-                    tunInbound.settings.gateway = ["172.18.0.1/30"];
-                    tunInbound.settings.autoSystemRoutingTable = ["0.0.0.0/0"];
+                    var address6 = _config.TunModeItem.IPv6Address.NullIfEmpty() ?? Global.TunIPv6Address.First();
+                    tunInbound.settings.gateway.Add(address6);
+                    tunInbound.settings.autoSystemRoutingTable.Add("::/0");
                 }
+           
                 var bindInterface = _config.CoreBasicItem.BindInterface?.TrimEx();
                 if (!bindInterface.IsNullOrEmpty())
                 {
@@ -152,6 +158,16 @@ public partial class CoreConfigV2rayService
         inbound.sniffing.destOverride = inItem.DestOverride;
         inbound.sniffing.routeOnly = inItem.RouteOnly;
 
+        if (_config.SimpleDNSItem.FakeIP == true)
+        {
+            // Ensure destOverride contains "fakedns" if FakeIP is enabled
+            inbound.sniffing.destOverride ??= [];
+            if (!inbound.sniffing.destOverride.Contains("fakedns"))
+            {
+                inbound.sniffing.destOverride.Add("fakedns");
+            }
+        }
+
         return inbound;
     }
 }

v2rayN/ServiceLib/Services/CoreConfig/V2ray/V2rayOutboundService.cs

@@ -865,21 +865,10 @@ public partial class CoreConfigV2rayService
                                              && (n.streamSettings?.sockopt?.dialerProxy?.IsNullOrEmpty() ?? true))
                 .ToList();
 
-        var (fragmentMask, noiseMask) = BuildFragmentsMasks();
+        var fragmentMask = BuildFragmentsMasks();
 
         foreach (var outbound in actOutboundWithTlsList)
         {
-            //var packets = configPackets;
-            //if (outbound.streamSettings.security == Global.StreamSecurityReality
-            //    && packets == "tlshello")
-            //{
-            //    packets = "1-3";
-            //}
-            //else if (outbound.streamSettings.security == Global.StreamSecurity
-            //         && packets != "tlshello")
-            //{
-            //    packets = "tlshello";
-            //}
             var finalMaskJsonObj = JsonUtils.ParseJson(JsonUtils.Serialize(outbound.streamSettings?.finalmask)) as JsonObject ?? new JsonObject();
             // tcp fragment
             var tcpFinalmaskList = finalMaskJsonObj["tcp"] as JsonArray ?? [];
@@ -888,13 +877,6 @@ public partial class CoreConfigV2rayService
                 tcpFinalmaskList.Add(JsonUtils.SerializeToNode(fragmentMask));
                 finalMaskJsonObj["tcp"] = tcpFinalmaskList;
             }
-            // udp noise
-            var udpFinalmaskList = finalMaskJsonObj["udp"] as JsonArray ?? [];
-            if (udpFinalmaskList.Count == 0)
-            {
-                udpFinalmaskList.Add(JsonUtils.SerializeToNode(noiseMask));
-                finalMaskJsonObj["udp"] = udpFinalmaskList;
-            }
             // write back
             outbound.streamSettings.finalmask = finalMaskJsonObj;
         }
@@ -902,7 +884,7 @@ public partial class CoreConfigV2rayService
 
     private void ApplyFinalFragment()
     {
-        var (fragmentMask, noiseMask) = BuildFragmentsMasks();
+        var fragmentMask = BuildFragmentsMasks();
         var actOutboundList = _coreConfig.outbounds.Where(n => n.tag.StartsWith(Global.ProxyTag)).ToList();
 
         var fragmentFreedom = new Outbounds4Ray()
@@ -914,9 +896,8 @@ public partial class CoreConfigV2rayService
                 finalmask = new Finalmask4Ray
                 {
                     tcp = [fragmentMask],
-                    udp = [noiseMask],
-                }
-            }
+                },
+            },
         };
 
         foreach (var outbound in actOutboundList)
@@ -934,13 +915,22 @@ public partial class CoreConfigV2rayService
         }
     }
 
-    private (Mask4Ray tcpFragment, Mask4Ray udpNoise) BuildFragmentsMasks()
+    private Mask4Ray BuildFragmentsMasks()
     {
         var configPackets = _config.Fragment4RayItem?.Packets.NullIfEmpty() ?? "tlshello";
-        var configLength = _config.Fragment4RayItem?.Length.NullIfEmpty() ?? "50-100";
-        var configDelay = _config.Fragment4RayItem?.Interval.NullIfEmpty() ?? "10-20";
+        var configLengths = _config.Fragment4RayItem?.Lengths ?? [];
+        var configDelays = _config.Fragment4RayItem?.Delays ?? [];
         var configMaxSplit = _config.Fragment4RayItem?.MaxSplit.NullIfEmpty() ?? "0";
 
+        if (configLengths.Count == 0)
+        {
+            configLengths = ["50-100"];
+        }
+        if (configDelays.Count == 0)
+        {
+            configDelays = ["10-20"];
+        }
+
         var maxSplit = 0;
         var parts = configMaxSplit.Split('-');
         if (parts.Length > 0 && int.TryParse(parts[0], out var ms))
@@ -954,21 +944,15 @@ public partial class CoreConfigV2rayService
             settings = new MaskSettings4Ray
             {
                 packets = configPackets,
-                length = configLength,
-                delay = configDelay,
+                lengths = configLengths,
+                delays = configDelays,
                 maxSplit = maxSplit,
-            }
-        };
-        var noiseMask = new Mask4Ray
-        {
-            type = "noise",
-            settings = new MaskSettings4Ray
-            {
-                length = "10-20",
-                delay = "10-16",
-            }
+                // For legacy xray compatibility, remove this in the future
+                length = configLengths.FirstOrDefault(),
+                delay = configDelays.FirstOrDefault(),
+            },
         };
 
-        return (fragmentMask, noiseMask);
+        return fragmentMask;
     }
 }

v2rayN/ServiceLib/Services/CoreConfig/V2ray/V2rayRoutingService.cs

@@ -14,17 +14,20 @@ public partial class CoreConfigV2rayService
                     _coreConfig.routing.rules.AddRange(tunRules);
                 }
                 var lstDirectExe = BuildRoutingDirectExe();
-                _coreConfig.routing.rules.Add(new()
+                if (lstDirectExe.Count > 0)
                 {
-                    port = "53",
-                    process = lstDirectExe,
-                    outboundTag = Global.DnsOutboundTag,
-                });
-                _coreConfig.routing.rules.Add(new()
-                {
-                    process = lstDirectExe,
-                    outboundTag = Global.DirectTag,
-                });
+                    _coreConfig.routing.rules.Add(new()
+                    {
+                        port = "53",
+                        process = lstDirectExe,
+                        outboundTag = Global.DnsOutboundTag,
+                    });
+                    _coreConfig.routing.rules.Add(new()
+                    {
+                        process = lstDirectExe,
+                        outboundTag = Global.DirectTag,
+                    });
+                }
                 _coreConfig.routing.rules.Add(new()
                 {
                     inboundTag = ["tun"],

v2rayN/ServiceLib/ViewModels/AddServer2ViewModel.cs

@@ -3,6 +3,7 @@ namespace ServiceLib.ViewModels;
 public class AddServer2ViewModel : MyReactiveObject, ICloseable
 {
     public event EventHandler? RequestClose;
+
     public Interaction<Unit, string?> BrowseConfigFileInteraction { get; } = new();
 
     [Reactive]

v2rayN/ServiceLib/ViewModels/DNSSettingViewModel.cs

@@ -4,19 +4,22 @@ public class DNSSettingViewModel : MyReactiveObject, ICloseable
 {
     public event EventHandler? RequestClose;
 
-    [Reactive] public bool? UseSystemHosts { get; set; }
-    [Reactive] public bool? AddCommonHosts { get; set; }
-    [Reactive] public bool? FakeIP { get; set; }
-    [Reactive] public bool? BlockBindingQuery { get; set; }
-    [Reactive] public string? DirectDNS { get; set; }
-    [Reactive] public string? RemoteDNS { get; set; }
-    [Reactive] public string? BootstrapDNS { get; set; }
-    [Reactive] public string? Strategy4Freedom { get; set; }
-    [Reactive] public string? Strategy4Proxy { get; set; }
-    [Reactive] public string? Hosts { get; set; }
-    [Reactive] public string? DirectExpectedIPs { get; set; }
-    [Reactive] public bool? ParallelQuery { get; set; }
-    [Reactive] public bool? ServeStale { get; set; }
+    [Reactive] public bool UseSystemHosts { get; set; }
+    [Reactive] public bool AddCommonHosts { get; set; }
+    [Reactive] public bool FakeIP { get; set; }
+    [Reactive] public string FakeIPRange { get; set; }
+    [Reactive] public bool BlockBindingQuery { get; set; }
+    [Reactive] public string DirectDNS { get; set; }
+    [Reactive] public string RemoteDNS { get; set; }
+    [Reactive] public string BootstrapDNS { get; set; }
+    [Reactive] public string Strategy4Freedom { get; set; }
+    [Reactive] public string Strategy4Proxy { get; set; }
+    [Reactive] public string Strategy4ProxyDial { get; set; }
+    [Reactive] public string Hosts { get; set; }
+    [Reactive] public string DirectExpectedIPs { get; set; }
+    [Reactive] public bool ParallelQuery { get; set; }
+    [Reactive] public bool ServeStale { get; set; }
+    [Reactive] public bool EnableHappyEyeballs { get; set; }
 
     [Reactive] public bool UseSystemHostsCompatible { get; set; }
     [Reactive] public string DomainStrategy4FreedomCompatible { get; set; } = string.Empty;
@@ -67,20 +70,22 @@ public class DNSSettingViewModel : MyReactiveObject, ICloseable
     {
         _config = AppManager.Instance.Config;
         var item = _config.SimpleDNSItem;
-        UseSystemHosts = item.UseSystemHosts;
-        AddCommonHosts = item.AddCommonHosts;
-        FakeIP = item.FakeIP;
-        BlockBindingQuery = item.BlockBindingQuery;
-        DirectDNS = item.DirectDNS;
-        RemoteDNS = item.RemoteDNS;
-        BootstrapDNS = item.BootstrapDNS;
-        Strategy4Freedom = item.Strategy4Freedom;
-        Strategy4Proxy = item.Strategy4Proxy;
-        Hosts = item.Hosts;
-        DirectExpectedIPs = item.DirectExpectedIPs;
-        ParallelQuery = item.ParallelQuery;
-        ServeStale = item.ServeStale;
-
+        UseSystemHosts = item.UseSystemHosts ?? false;
+        AddCommonHosts = item.AddCommonHosts ?? false;
+        FakeIP = item.FakeIP ?? false;
+        FakeIPRange = item.FakeIPRange ?? string.Empty;
+        BlockBindingQuery = item.BlockBindingQuery ?? false;
+        DirectDNS = item.DirectDNS ?? string.Empty;
+        RemoteDNS = item.RemoteDNS ?? string.Empty;
+        BootstrapDNS = item.BootstrapDNS ?? string.Empty;
+        Strategy4Freedom = item.Strategy4Freedom ?? string.Empty;
+        Strategy4Proxy = item.Strategy4Proxy ?? string.Empty;
+        Strategy4ProxyDial = item.Strategy4ProxyDial ?? string.Empty;
+        Hosts = item.Hosts ?? string.Empty;
+        DirectExpectedIPs = item.DirectExpectedIPs ?? string.Empty;
+        ParallelQuery = item.ParallelQuery ?? false;
+        ServeStale = item.ServeStale ?? false;
+        EnableHappyEyeballs = item.EnableHappyEyeballs ?? false;
         var item1 = await AppManager.Instance.GetDNSItem(ECoreType.Xray);
         RayCustomDNSEnableCompatible = item1.Enabled;
         UseSystemHostsCompatible = item1.UseSystemHosts;
@@ -102,17 +107,19 @@ public class DNSSettingViewModel : MyReactiveObject, ICloseable
         _config.SimpleDNSItem.UseSystemHosts = UseSystemHosts;
         _config.SimpleDNSItem.AddCommonHosts = AddCommonHosts;
         _config.SimpleDNSItem.FakeIP = FakeIP;
+        _config.SimpleDNSItem.FakeIPRange = FakeIPRange;
         _config.SimpleDNSItem.BlockBindingQuery = BlockBindingQuery;
         _config.SimpleDNSItem.DirectDNS = DirectDNS;
         _config.SimpleDNSItem.RemoteDNS = RemoteDNS;
         _config.SimpleDNSItem.BootstrapDNS = BootstrapDNS;
         _config.SimpleDNSItem.Strategy4Freedom = Strategy4Freedom;
         _config.SimpleDNSItem.Strategy4Proxy = Strategy4Proxy;
+        _config.SimpleDNSItem.Strategy4ProxyDial = Strategy4ProxyDial;
         _config.SimpleDNSItem.Hosts = Hosts;
         _config.SimpleDNSItem.DirectExpectedIPs = DirectExpectedIPs;
         _config.SimpleDNSItem.ParallelQuery = ParallelQuery;
         _config.SimpleDNSItem.ServeStale = ServeStale;
-
+        _config.SimpleDNSItem.EnableHappyEyeballs = EnableHappyEyeballs;
         if (NormalDNSCompatible.IsNotEmpty())
         {
             var obj = JsonUtils.ParseJson(NormalDNSCompatible);

v2rayN/ServiceLib/ViewModels/MainWindowViewModel.cs

@@ -263,6 +263,11 @@ public class MainWindowViewModel : MyReactiveObject
 
         #endregion AppEvents
 
+        ProfilesViewModel.RefreshServersRequested
+            .AsObservable()
+            .ObserveOn(RxSchedulers.MainThreadScheduler)
+            .Subscribe(async _ => await RefreshServers());
+
         var vmReloadRequestedList = new List<IObservable<Unit>>
         {
             ProfilesViewModel.ReloadRequested.AsObservable(),
@@ -394,8 +399,8 @@ public class MainWindowViewModel : MyReactiveObject
 
     private async Task RefreshServers()
     {
-        await ProfilesViewModel.RefreshServers();
-        await StatusBarViewModel.RefreshServers();
+        await ProfilesViewModel.RefreshServersBiz();
+        await StatusBarViewModel.RefreshServersBiz();
 
         // await Task.Delay(200);
     }

v2rayN/ServiceLib/ViewModels/OptionSettingViewModel.cs

@@ -29,24 +29,12 @@ public class OptionSettingViewModel : MyReactiveObject, ICloseable
     [Reactive] public bool EnableFragment { get; set; }
     [Reactive] public bool EnableFinalFragment { get; set; }
     [Reactive] public string FragmentPackets { get; set; }
-    [Reactive] public string FragmentLength { get; set; }
-    [Reactive] public string FragmentInterval { get; set; }
+    [Reactive] public string FragmentLengths { get; set; }
+    [Reactive] public string FragmentDelays { get; set; }
     [Reactive] public string FragmentMaxSplit { get; set; }
 
     #endregion Core
 
-    #region Core KCP
-
-    //[Reactive] public int Kcpmtu { get; set; }
-    //[Reactive] public int Kcptti { get; set; }
-    //[Reactive] public int KcpuplinkCapacity { get; set; }
-    //[Reactive] public int KcpdownlinkCapacity { get; set; }
-    //[Reactive] public int KcpreadBufferSize { get; set; }
-    //[Reactive] public int KcpwriteBufferSize { get; set; }
-    //[Reactive] public bool Kcpcongestion { get; set; }
-
-    #endregion Core KCP
-
     #region UI
 
     [Reactive] public bool AutoRun { get; set; }
@@ -107,6 +95,8 @@ public class OptionSettingViewModel : MyReactiveObject, ICloseable
     [Reactive] public string TunIcmpRouting { get; set; }
     [Reactive] public bool TunEnableLegacyProtect { get; set; }
     [Reactive] public string TunRouteExcludeAddress { get; set; }
+    [Reactive] public string TunIPv4Address { get; set; }
+    [Reactive] public string TunIPv6Address { get; set; }
 
     #endregion Tun mode
 
@@ -150,6 +140,7 @@ public class OptionSettingViewModel : MyReactiveObject, ICloseable
         SecondLocalPortEnabled = inbound.SecondLocalPortEnabled;
         UdpEnabled = inbound.UdpEnabled;
         SniffingEnabled = inbound.SniffingEnabled;
+        DestOverride = inbound.DestOverride ?? [];
         RouteOnly = inbound.RouteOnly;
         AllowLANConn = inbound.AllowLANConn;
         NewPort4LAN = inbound.NewPort4LAN;
@@ -168,24 +159,12 @@ public class OptionSettingViewModel : MyReactiveObject, ICloseable
         EnableFragment = _config.CoreBasicItem.EnableFragment;
         EnableFinalFragment = _config.CoreBasicItem.EnableFinalFragment;
         FragmentPackets = _config.Fragment4RayItem?.Packets;
-        FragmentLength = _config.Fragment4RayItem?.Length;
-        FragmentInterval = _config.Fragment4RayItem?.Interval;
+        FragmentLengths = Utils.List2String(_config.Fragment4RayItem?.Lengths);
+        FragmentDelays = Utils.List2String(_config.Fragment4RayItem?.Delays);
         FragmentMaxSplit = _config.Fragment4RayItem?.MaxSplit;
 
         #endregion Core
 
-        #region Core KCP
-
-        //Kcpmtu = _config.kcpItem.mtu;
-        //Kcptti = _config.kcpItem.tti;
-        //KcpuplinkCapacity = _config.kcpItem.uplinkCapacity;
-        //KcpdownlinkCapacity = _config.kcpItem.downlinkCapacity;
-        //KcpreadBufferSize = _config.kcpItem.readBufferSize;
-        //KcpwriteBufferSize = _config.kcpItem.writeBufferSize;
-        //Kcpcongestion = _config.kcpItem.congestion;
-
-        #endregion Core KCP
-
         #region UI
 
         AutoRun = _config.GuiItem.AutoRun;
@@ -237,6 +216,8 @@ public class OptionSettingViewModel : MyReactiveObject, ICloseable
         TunIcmpRouting = _config.TunModeItem.IcmpRouting;
         TunEnableLegacyProtect = _config.TunModeItem.EnableLegacyProtect;
         TunRouteExcludeAddress = Utils.List2String(_config.TunModeItem.RouteExcludeAddress, true);
+        TunIPv4Address = _config.TunModeItem.IPv4Address;
+        TunIPv6Address = _config.TunModeItem.IPv6Address;
 
         #endregion Tun mode
 
@@ -309,34 +290,33 @@ public class OptionSettingViewModel : MyReactiveObject, ICloseable
             NoticeManager.Instance.Enqueue(ResUI.FillLocalListeningPort);
             return;
         }
+        var fragmentLengths = Utils.String2List(FragmentLengths) ?? [];
+        var fragmentDelays = Utils.String2List(FragmentDelays) ?? [];
+        if (fragmentLengths.Any(item => !Utils.TryParseRange(item, 0, int.MaxValue, out _, out _))
+            || fragmentDelays.Any(item => !Utils.TryParseRange(item, 0, int.MaxValue, out _, out _))
+            || (FragmentMaxSplit.IsNotEmpty() && !Utils.TryParseMaxSplit(FragmentMaxSplit, 0, 10000, out _, out _)))
+        {
+            NoticeManager.Instance.Enqueue(ResUI.FillFragmentParameterError);
+            return;
+        }
         var needReboot = EnableStatistics != _config.GuiItem.EnableStatistics
                           || DisplayRealTimeSpeed != _config.GuiItem.DisplayRealTimeSpeed
                         || EnableDragDropSort != _config.UiItem.EnableDragDropSort
                         || EnableHWA != _config.GuiItem.EnableHWA
                         || CurrentFontFamily != _config.UiItem.CurrentFontFamily;
 
-        //if (Utile.IsNullOrEmpty(Kcpmtu.ToString()) || !Utile.IsNumeric(Kcpmtu.ToString())
-        //       || Utile.IsNullOrEmpty(Kcptti.ToString()) || !Utile.IsNumeric(Kcptti.ToString())
-        //       || Utile.IsNullOrEmpty(KcpuplinkCapacity.ToString()) || !Utile.IsNumeric(KcpuplinkCapacity.ToString())
-        //       || Utile.IsNullOrEmpty(KcpdownlinkCapacity.ToString()) || !Utile.IsNumeric(KcpdownlinkCapacity.ToString())
-        //       || Utile.IsNullOrEmpty(KcpreadBufferSize.ToString()) || !Utile.IsNumeric(KcpreadBufferSize.ToString())
-        //       || Utile.IsNullOrEmpty(KcpwriteBufferSize.ToString()) || !Utile.IsNumeric(KcpwriteBufferSize.ToString()))
-        //{
-        //    NoticeHandler.Instance.Enqueue(ResUI.FillKcpParameters);
-        //    return;
-        //}
-
         //Core
-        _config.Inbound.First().LocalPort = LocalPort;
-        _config.Inbound.First().SecondLocalPortEnabled = SecondLocalPortEnabled;
-        _config.Inbound.First().UdpEnabled = UdpEnabled;
-        _config.Inbound.First().SniffingEnabled = SniffingEnabled;
-        _config.Inbound.First().DestOverride = DestOverride?.ToList();
-        _config.Inbound.First().RouteOnly = RouteOnly;
-        _config.Inbound.First().AllowLANConn = AllowLANConn;
-        _config.Inbound.First().NewPort4LAN = NewPort4LAN;
-        _config.Inbound.First().User = User;
-        _config.Inbound.First().Pass = Pass;
+        var inbound = _config.Inbound.First();
+        inbound.LocalPort = LocalPort;
+        inbound.SecondLocalPortEnabled = SecondLocalPortEnabled;
+        inbound.UdpEnabled = UdpEnabled;
+        inbound.SniffingEnabled = SniffingEnabled;
+        inbound.DestOverride = DestOverride?.ToList();
+        inbound.RouteOnly = RouteOnly;
+        inbound.AllowLANConn = AllowLANConn;
+        inbound.NewPort4LAN = NewPort4LAN;
+        inbound.User = User;
+        inbound.Pass = Pass;
         if (_config.Inbound.Count > 1)
         {
             _config.Inbound.RemoveAt(1);
@@ -351,30 +331,12 @@ public class OptionSettingViewModel : MyReactiveObject, ICloseable
         _config.CoreBasicItem.EnableCacheFile4Sbox = EnableCacheFile4Sbox;
         _config.HysteriaItem.UpMbps = HyUpMbps ?? 0;
         _config.HysteriaItem.DownMbps = HyDownMbps ?? 0;
-        if (EnableFragment)
-        {
-            if (!Utils.TryParseRange(FragmentLength, 0, int.MaxValue, out _, out _))
-            {
-                NoticeManager.Instance.Enqueue(ResUI.FillFragmentParameterError);
-                return;
-            }
-            if (!Utils.TryParseRange(FragmentInterval, 1, 100, out _, out _))
-            {
-                NoticeManager.Instance.Enqueue(ResUI.FillFragmentParameterError);
-                return;
-            }
-            if (FragmentMaxSplit.IsNotEmpty()
-                && !Utils.TryParseMaxSplit(FragmentMaxSplit, 0, 10000, out _, out _))
-            {
-                NoticeManager.Instance.Enqueue(ResUI.FillFragmentParameterError);
-                return;
-            }
-        }
         _config.CoreBasicItem.EnableFragment = EnableFragment;
         _config.CoreBasicItem.EnableFinalFragment = EnableFinalFragment;
+        _config.Fragment4RayItem ??= new();
         _config.Fragment4RayItem.Packets = FragmentPackets;
-        _config.Fragment4RayItem.Length = FragmentLength;
-        _config.Fragment4RayItem.Interval = FragmentInterval;
+        _config.Fragment4RayItem.Lengths = fragmentLengths;
+        _config.Fragment4RayItem.Delays = fragmentDelays;
         _config.Fragment4RayItem.MaxSplit = FragmentMaxSplit;
 
         _config.GuiItem.AutoRun = AutoRun;
@@ -420,6 +382,8 @@ public class OptionSettingViewModel : MyReactiveObject, ICloseable
         _config.TunModeItem.IcmpRouting = TunIcmpRouting;
         _config.TunModeItem.EnableLegacyProtect = TunEnableLegacyProtect;
         _config.TunModeItem.RouteExcludeAddress = Utils.String2List(TunRouteExcludeAddress);
+        _config.TunModeItem.IPv4Address = TunIPv4Address;
+        _config.TunModeItem.IPv6Address = TunIPv6Address;
 
         //coreType
         await SaveCoreType();

v2rayN/ServiceLib/ViewModels/ProfilesSelectViewModel.cs

@@ -3,6 +3,7 @@ namespace ServiceLib.ViewModels;
 public class ProfilesSelectViewModel : MyReactiveObject, ICloseable
 {
     public event EventHandler? RequestClose;
+
     public Interaction<Unit, Unit> ProfilesFocusInteraction { get; } = new();
 
     #region private prop

v2rayN/ServiceLib/ViewModels/ProfilesViewModel.cs

@@ -11,6 +11,7 @@ public class ProfilesViewModel : MyReactiveObject
     public Interaction<Unit, Unit> AdjustMainLvColWidthInteraction { get; } = new();
 
     public EventChannel<Unit> ReloadRequested { get; } = new();
+    public EventChannel<Unit> RefreshServersRequested { get; } = new();
 
     #region private prop
 
@@ -368,12 +369,14 @@ public class ProfilesViewModel : MyReactiveObject
 
     public async Task RefreshServers()
     {
-        await RefreshServersBiz();
+        RefreshServersRequested.Publish();
 
         // await Task.Delay(200);
+
+        await Task.CompletedTask;
     }
 
-    private async Task RefreshServersBiz()
+    public async Task RefreshServersBiz()
     {
         var lstModel = await GetProfileItemsEx(_config.SubIndexId, _serverFilter);
         _lstProfile = JsonUtils.Deserialize<List<ProfileItem>>(JsonUtils.Serialize(lstModel)) ?? [];

v2rayN/ServiceLib/ViewModels/RoutingRuleSettingViewModel.cs

@@ -3,6 +3,7 @@ namespace ServiceLib.ViewModels;
 public class RoutingRuleSettingViewModel : MyReactiveObject, ICloseable
 {
     public event EventHandler? RequestClose;
+
     public Interaction<string, bool> ShowYesNoInteraction { get; } = new();
     public Interaction<string, Unit> SetClipboardDataInteraction { get; } = new();
     public Interaction<Unit, string?> ReadTextFromClipboardInteraction { get; } = new();

v2rayN/ServiceLib/ViewModels/StatusBarViewModel.cs

@@ -264,12 +264,7 @@ public class StatusBarViewModel : MyReactiveObject
         await Task.Delay(1000);
     }
 
-    public async Task RefreshServers()
-    {
-        await RefreshServersBiz();
-    }
-
-    private async Task RefreshServersBiz()
+    public async Task RefreshServersBiz()
     {
         await RefreshServersMenu();
 

v2rayN/v2rayN.Desktop/App.axaml

@@ -22,6 +22,14 @@
         <StyleInclude Source="Assets/GlobalStyles.axaml" />
         <StyleInclude Source="avares://Semi.Avalonia.DataGrid/Index.axaml" />
         <dialogHost:DialogHostStyles />
+
+        <Style Selector="dialogHost|DialogHost">
+            <Setter Property="OverlayBackground" Value="{DynamicResource SemiColorOverlayBackground}" />
+            <Setter Property="Background" Value="{DynamicResource SemiColorFill0}" />
+
+            <Setter Property="dialogHost:DialogHostStyle.BoxShadow" Value="{DynamicResource SemiShadowElevated}" />
+            <Setter Property="dialogHost:DialogHostStyle.CornerRadius" Value="6" />
+        </Style>
     </Application.Styles>
 
     <TrayIcon.Icons>

v2rayN/v2rayN.Desktop/Views/AddGroupServerWindow.axaml.cs

@@ -26,6 +26,11 @@ public partial class AddGroupServerWindow : WindowBase<AddGroupServerViewModel>
 
         this.WhenActivated(disposables =>
         {
+            this.WhenAnyValue(v => v.ViewModel.SelectedSource)
+                .WhereNotNull()
+                .Subscribe(InitializeData)
+                .DisposeWith(disposables);
+
             this.Bind(ViewModel, vm => vm.SelectedSource.Remarks, v => v.txtRemarks.Text).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.CoreType, v => v.cmbCoreType.SelectedValue).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.PolicyGroupType, v => v.cmbPolicyGroupType.SelectedValue).DisposeWith(disposables);
@@ -43,11 +48,6 @@ public partial class AddGroupServerWindow : WindowBase<AddGroupServerViewModel>
             this.BindCommand(ViewModel, vm => vm.MoveBottomCmd, v => v.menuMoveBottom).DisposeWith(disposables);
 
             this.BindCommand(ViewModel, vm => vm.SaveCmd, v => v.btnSave).DisposeWith(disposables);
-
-            this.WhenAnyValue(v => v.ViewModel.SelectedSource)
-                .WhereNotNull()
-                .Subscribe(InitializeData)
-                .DisposeWith(disposables);
         });
 
         // Context menu actions that require custom logic (Add, SelectAll)

v2rayN/v2rayN.Desktop/Views/AddServerWindow.axaml.cs

@@ -38,6 +38,11 @@ public partial class AddServerWindow : WindowBase<AddServerViewModel>
 
         this.WhenActivated(disposables =>
         {
+            this.WhenAnyValue(v => v.ViewModel.SelectedSource)
+                .WhereNotNull()
+                .Subscribe(InitializeData)
+                .DisposeWith(disposables);
+
             var configTypeBindings = new SerialDisposable().DisposeWith(disposables);
 
             this.Bind(ViewModel, vm => vm.CoreType, v => v.cmbCoreType.SelectedValue).DisposeWith(disposables);
@@ -188,11 +193,6 @@ public partial class AddServerWindow : WindowBase<AddServerViewModel>
             this.BindCommand(ViewModel, vm => vm.FetchCertCmd, v => v.btnFetchCert).DisposeWith(disposables);
             this.BindCommand(ViewModel, vm => vm.FetchCertChainCmd, v => v.btnFetchCertChain).DisposeWith(disposables);
             this.BindCommand(ViewModel, vm => vm.SaveCmd, v => v.btnSave).DisposeWith(disposables);
-
-            this.WhenAnyValue(v => v.ViewModel.SelectedSource)
-                .WhereNotNull()
-                .Subscribe(InitializeData)
-                .DisposeWith(disposables);
         });
 
     }

v2rayN/v2rayN.Desktop/Views/DNSSettingWindow.axaml

@@ -42,7 +42,7 @@
                         x:Name="gridBasicDNSSettings"
                         Margin="{StaticResource Margin8}"
                         ColumnDefinitions="Auto,Auto,*"
-                        RowDefinitions="Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto">
+                        RowDefinitions="Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto">
 
                         <TextBlock
                             x:Name="txtBasicDNSSettingsInvalid"
@@ -167,28 +167,71 @@
                             Grid.Column="0"
                             Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Text="{x:Static resx:ResUI.TbParallelQuery}" />
-                        <ToggleSwitch
-                            x:Name="togParallelQuery"
+                            Text="{x:Static resx:ResUI.TbProxyDialResolveStrategy}" />
+                        <ComboBox
+                            x:Name="cmbProxyDialDNSStrategy"
                             Grid.Row="7"
                             Grid.Column="1"
+                            Width="200"
                             Margin="{StaticResource Margin4}"
-                            HorizontalAlignment="Left"
-                            VerticalAlignment="Center" />
+                            VerticalAlignment="Center"
+                            PlaceholderText="Default" />
+                        <TextBlock
+                            Grid.Row="7"
+                            Grid.Column="2"
+                            Margin="{StaticResource Margin4}"
+                            VerticalAlignment="Center"
+                            Text="{x:Static resx:ResUI.TbProxyDialResolveStrategyTip}"
+                            TextWrapping="Wrap" />
 
                         <TextBlock
                             Grid.Row="8"
                             Grid.Column="0"
                             Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
-                            Text="{x:Static resx:ResUI.TbServeStale}" />
+                            Text="{x:Static resx:ResUI.TbParallelQuery}" />
                         <ToggleSwitch
-                            x:Name="togServeStale"
+                            x:Name="togParallelQuery"
                             Grid.Row="8"
                             Grid.Column="1"
                             Margin="{StaticResource Margin4}"
                             HorizontalAlignment="Left"
                             VerticalAlignment="Center" />
+
+                        <TextBlock
+                            Grid.Row="9"
+                            Grid.Column="0"
+                            Margin="{StaticResource Margin4}"
+                            VerticalAlignment="Center"
+                            Text="{x:Static resx:ResUI.TbServeStale}" />
+                        <ToggleSwitch
+                            x:Name="togServeStale"
+                            Grid.Row="9"
+                            Grid.Column="1"
+                            Margin="{StaticResource Margin4}"
+                            HorizontalAlignment="Left"
+                            VerticalAlignment="Center" />
+
+                        <TextBlock
+                            Grid.Row="10"
+                            Grid.Column="0"
+                            Margin="{StaticResource Margin4}"
+                            VerticalAlignment="Center"
+                            Text="{x:Static resx:ResUI.TbEnableHappyEyeballs}" />
+                        <ToggleSwitch
+                            x:Name="togEnableHappyEyeballs"
+                            Grid.Row="10"
+                            Grid.Column="1"
+                            Margin="{StaticResource Margin4}"
+                            HorizontalAlignment="Left"
+                            VerticalAlignment="Center" />
+                        <TextBlock
+                            Grid.Row="10"
+                            Grid.Column="2"
+                            Margin="{StaticResource Margin4}"
+                            VerticalAlignment="Center"
+                            Text="{x:Static resx:ResUI.TbEnableHappyEyeballsTip}"
+                            TextWrapping="Wrap" />
                     </Grid>
                 </ScrollViewer>
             </TabItem>
@@ -243,13 +286,24 @@
                             Margin="{StaticResource Margin4}"
                             VerticalAlignment="Center"
                             Text="{x:Static resx:ResUI.TbFakeIP}" />
-                        <ToggleSwitch
-                            x:Name="togFakeIP"
+                        <Grid
                             Grid.Row="3"
                             Grid.Column="1"
-                            Margin="{StaticResource Margin4}"
-                            HorizontalAlignment="Left"
-                            VerticalAlignment="Center" />
+                            ColumnDefinitions="Auto,*">
+                            <ToggleSwitch
+                                x:Name="togFakeIP"
+                                Grid.Column="0"
+                                Margin="{StaticResource Margin4}"
+                                HorizontalAlignment="Left"
+                                VerticalAlignment="Center" />
+                            <ComboBox
+                                x:Name="cmbFakeIPRange"
+                                Grid.Column="1"
+                                Margin="{StaticResource Margin4}"
+                                HorizontalAlignment="Stretch"
+                                VerticalAlignment="Center"
+                                IsEditable="True" />
+                        </Grid>
                         <TextBlock
                             Grid.Row="3"
                             Grid.Column="2"
@@ -318,8 +372,8 @@
                             VerticalAlignment="Stretch"
                             BorderThickness="1"
                             Classes="TextArea"
-                            TextWrapping="Wrap"
-                            PlaceholderText="{x:Static resx:ResUI.TbDNSHostsConfig}" />
+                            PlaceholderText="{x:Static resx:ResUI.TbDNSHostsConfig}"
+                            TextWrapping="Wrap" />
                     </Grid>
                 </ScrollViewer>
             </TabItem>

v2rayN/v2rayN.Desktop/Views/DNSSettingWindow.axaml.cs

@@ -16,9 +16,11 @@ public partial class DNSSettingWindow : WindowBase<DNSSettingViewModel>
 
         cmbDirectDNSStrategy.ItemsSource = Global.DomainStrategy;
         cmbRemoteDNSStrategy.ItemsSource = Global.DomainStrategy;
+        cmbProxyDialDNSStrategy.ItemsSource = Global.DomainStrategy;
         cmbDirectDNS.ItemsSource = Global.DomainDirectDNSAddress;
         cmbRemoteDNS.ItemsSource = Global.DomainRemoteDNSAddress;
         cmbBootstrapDNS.ItemsSource = Global.DomainPureIPDNSAddress;
+        cmbFakeIPRange.ItemsSource = Global.FakeIPRanges;
         cmbDirectExpectedIPs.ItemsSource = Global.ExpectedIPs;
 
         cmbdomainStrategy4FreedomCompatible.ItemsSource = Global.DomainStrategy;
@@ -31,16 +33,19 @@ public partial class DNSSettingWindow : WindowBase<DNSSettingViewModel>
             this.Bind(ViewModel, vm => vm.UseSystemHosts, v => v.togUseSystemHosts.IsChecked).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.AddCommonHosts, v => v.togAddCommonHosts.IsChecked).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.FakeIP, v => v.togFakeIP.IsChecked).DisposeWith(disposables);
+            this.Bind(ViewModel, vm => vm.FakeIPRange, v => v.cmbFakeIPRange.Text).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.BlockBindingQuery, v => v.togBlockBindingQuery.IsChecked).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.DirectDNS, v => v.cmbDirectDNS.Text).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.RemoteDNS, v => v.cmbRemoteDNS.Text).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.BootstrapDNS, v => v.cmbBootstrapDNS.Text).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.Strategy4Freedom, v => v.cmbDirectDNSStrategy.SelectedItem).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.Strategy4Proxy, v => v.cmbRemoteDNSStrategy.SelectedItem).DisposeWith(disposables);
+            this.Bind(ViewModel, vm => vm.Strategy4ProxyDial, v => v.cmbProxyDialDNSStrategy.SelectedItem).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.Hosts, v => v.txtHosts.Text).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.DirectExpectedIPs, v => v.cmbDirectExpectedIPs.Text).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.ParallelQuery, v => v.togParallelQuery.IsChecked).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.ServeStale, v => v.togServeStale.IsChecked).DisposeWith(disposables);
+            this.Bind(ViewModel, vm => vm.EnableHappyEyeballs, v => v.togEnableHappyEyeballs.IsChecked).DisposeWith(disposables);
 
             this.BindCommand(ViewModel, vm => vm.SaveCmd, v => v.btnSave).DisposeWith(disposables);
 

v2rayN/v2rayN.Desktop/Views/MainWindow.axaml

@@ -18,10 +18,7 @@
     ShowInTaskbar="True"
     WindowStartupLocation="CenterScreen"
     mc:Ignorable="d">
-    <dialogHost:DialogHost
-        Background="Gray"
-        CloseOnClickAway="True"
-        DisableOpeningAnimation="True">
+    <dialogHost:DialogHost CloseOnClickAway="True" DisableOpeningAnimation="True">
         <DockPanel>
             <DockPanel Margin="{StaticResource Margin8}" DockPanel.Dock="Top">
                 <ContentControl x:Name="conTheme" DockPanel.Dock="Right" />

v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml

@@ -347,7 +347,7 @@
                                                 VerticalAlignment="Center"
                                                 Text="{x:Static resx:ResUI.TbSettingsFragmentLength}" />
                                             <TextBox
-                                                x:Name="txtFragmentLength"
+                                                x:Name="txtFragmentLengths"
                                                 Grid.Row="1"
                                                 Grid.Column="1"
                                                 Width="120"
@@ -369,7 +369,7 @@
                                                 VerticalAlignment="Center"
                                                 Text="{x:Static resx:ResUI.TbSettingsFragmentInterval}" />
                                             <TextBox
-                                                x:Name="txtFragmentInterval"
+                                                x:Name="txtFragmentDelays"
                                                 Grid.Row="2"
                                                 Grid.Column="1"
                                                 Width="120"
@@ -961,7 +961,7 @@
                         Margin="{StaticResource Margin4}"
                         ColumnDefinitions="Auto,Auto,Auto"
                         DockPanel.Dock="Top"
-                        RowDefinitions="Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto">
+                        RowDefinitions="Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto,Auto">
 
                         <TextBlock
                             Grid.Row="2"
@@ -1087,6 +1087,34 @@
                             VerticalAlignment="Center"
                             Text="{x:Static resx:ResUI.TbRouteExcludeAddressTip}"
                             TextWrapping="Wrap" />
+
+                        <TextBlock
+                            Grid.Row="10"
+                            Grid.Column="0"
+                            Margin="{StaticResource Margin4}"
+                            VerticalAlignment="Center"
+                            Text="{x:Static resx:ResUI.TbIpv4Address}" />
+                        <ComboBox
+                            x:Name="cmbIpv4Address"
+                            Grid.Row="10"
+                            Grid.Column="1"
+                            Width="200"
+                            Margin="{StaticResource Margin4}"
+                            HorizontalAlignment="Left" />
+
+                        <TextBlock
+                            Grid.Row="11"
+                            Grid.Column="0"
+                            Margin="{StaticResource Margin4}"
+                            VerticalAlignment="Center"
+                            Text="{x:Static resx:ResUI.TbIpv6Address}" />
+                        <ComboBox
+                            x:Name="cmbIpv6Address"
+                            Grid.Row="11"
+                            Grid.Column="1"
+                            Width="200"
+                            Margin="{StaticResource Margin4}"
+                            HorizontalAlignment="Left" />
                     </Grid>
                 </ScrollViewer>
             </TabItem>

v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml.cs

@@ -33,6 +33,8 @@ public partial class OptionSettingWindow : WindowBase<OptionSettingViewModel>
         cmbMtu.ItemsSource = Global.TunMtus;
         cmbStack.ItemsSource = Global.TunStacks;
         cmbIcmpRoutingPolicy.ItemsSource = Global.TunIcmpRoutingPolicies;
+        cmbIpv4Address.ItemsSource = Global.TunIPv4Address;
+        cmbIpv6Address.ItemsSource = Global.TunIPv6Address;
         cmbFragmentPackets.ItemsSource = Global.FragmentPacketsOptions;
 
         cmbCoreType1.ItemsSource = Global.CoreTypes;
@@ -86,8 +88,8 @@ public partial class OptionSettingWindow : WindowBase<OptionSettingViewModel>
             this.Bind(ViewModel, vm => vm.EnableFragment, v => v.togenableFragment.IsChecked).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.EnableFinalFragment, v => v.togenableFinalFragment.IsChecked).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.FragmentPackets, v => v.cmbFragmentPackets.SelectedItem).DisposeWith(disposables);
-            this.Bind(ViewModel, vm => vm.FragmentLength, v => v.txtFragmentLength.Text).DisposeWith(disposables);
-            this.Bind(ViewModel, vm => vm.FragmentInterval, v => v.txtFragmentInterval.Text).DisposeWith(disposables);
+            this.Bind(ViewModel, vm => vm.FragmentLengths, v => v.txtFragmentLengths.Text).DisposeWith(disposables);
+            this.Bind(ViewModel, vm => vm.FragmentDelays, v => v.txtFragmentDelays.Text).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.FragmentMaxSplit, v => v.txtFragmentMaxSplit.Text).DisposeWith(disposables);
 
             this.Bind(ViewModel, vm => vm.AutoRun, v => v.togAutoRun.IsChecked).DisposeWith(disposables);
@@ -129,6 +131,8 @@ public partial class OptionSettingWindow : WindowBase<OptionSettingViewModel>
             this.Bind(ViewModel, vm => vm.TunIcmpRouting, v => v.cmbIcmpRoutingPolicy.SelectedValue).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.TunEnableLegacyProtect, v => v.togEnableLegacyProtect.IsChecked).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.TunRouteExcludeAddress, v => v.txtRouteExcludeAddress.Text).DisposeWith(disposables);
+            this.Bind(ViewModel, vm => vm.TunIPv4Address, v => v.cmbIpv4Address.SelectedValue).DisposeWith(disposables);
+            this.Bind(ViewModel, vm => vm.TunIPv6Address, v => v.cmbIpv6Address.SelectedValue).DisposeWith(disposables);
 
             this.Bind(ViewModel, vm => vm.CoreType1, v => v.cmbCoreType1.SelectedValue).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.CoreType2, v => v.cmbCoreType2.SelectedValue).DisposeWith(disposables);

v2rayN/v2rayN.Desktop/Views/RoutingRuleDetailsWindow.axaml.cs

@@ -21,6 +21,11 @@ public partial class RoutingRuleDetailsWindow : WindowBase<RoutingRuleDetailsVie
 
         this.WhenActivated(disposables =>
         {
+            this.WhenAnyValue(v => v.ViewModel.SelectedSource)
+                .WhereNotNull()
+                .Subscribe(InitializeData)
+                .DisposeWith(disposables);
+
             this.Bind(ViewModel, vm => vm.SelectedSource.OutboundTag, v => v.cmbOutboundTag.Text).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.SelectedSource.Remarks, v => v.txtRemarks.Text).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.SelectedSource.OutboundTag, v => v.cmbOutboundTag.Text).DisposeWith(disposables);
@@ -35,11 +40,6 @@ public partial class RoutingRuleDetailsWindow : WindowBase<RoutingRuleDetailsVie
 
             this.BindCommand(ViewModel, vm => vm.SelectProfileCmd, v => v.btnSelectProfile).DisposeWith(disposables);
             this.BindCommand(ViewModel, vm => vm.SaveCmd, v => v.btnSave).DisposeWith(disposables);
-
-            this.WhenAnyValue(v => v.ViewModel.SelectedSource)
-                .WhereNotNull()
-                .Subscribe(InitializeData)
-                .DisposeWith(disposables);
         });
     }
 

v2rayN/v2rayN.Desktop/Views/SubSettingWindow.axaml

@@ -17,7 +17,6 @@
     WindowStartupLocation="CenterScreen"
     mc:Ignorable="d">
     <dialogHost:DialogHost
-        Background="Gray"
         CloseOnClickAway="True"
         DisableOpeningAnimation="True"
         Identifier="dialogHostSub">

v2rayN/v2rayN/Views/AddGroupServerWindow.xaml.cs

@@ -25,6 +25,11 @@ public partial class AddGroupServerWindow
 
         this.WhenActivated(disposables =>
         {
+            this.WhenAnyValue(v => v.ViewModel.SelectedSource)
+                .WhereNotNull()
+                .Subscribe(InitializeData)
+                .DisposeWith(disposables);
+
             this.Bind(ViewModel, vm => vm.SelectedSource.Remarks, v => v.txtRemarks.Text).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.CoreType, v => v.cmbCoreType.Text).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.PolicyGroupType, v => v.cmbPolicyGroupType.Text).DisposeWith(disposables);
@@ -45,11 +50,6 @@ public partial class AddGroupServerWindow
             this.BindCommand(ViewModel, vm => vm.MoveBottomCmd, v => v.menuMoveBottom).DisposeWith(disposables);
 
             this.BindCommand(ViewModel, vm => vm.SaveCmd, v => v.btnSave).DisposeWith(disposables);
-
-            this.WhenAnyValue(v => v.ViewModel.SelectedSource)
-                .WhereNotNull()
-                .Subscribe(InitializeData)
-                .DisposeWith(disposables);
         });
         WindowsUtils.SetDarkBorder(this, AppManager.Instance.Config.UiItem.CurrentTheme);
     }

v2rayN/v2rayN/Views/AddServerWindow.xaml.cs

@@ -36,6 +36,11 @@ public partial class AddServerWindow
 
         this.WhenActivated(disposables =>
         {
+            this.WhenAnyValue(v => v.ViewModel.SelectedSource)
+                .WhereNotNull()
+                .Subscribe(InitializeData)
+                .DisposeWith(disposables);
+
             var configTypeBindings = new SerialDisposable().DisposeWith(disposables);
 
             this.Bind(ViewModel, vm => vm.CoreType, v => v.cmbCoreType.Text).DisposeWith(disposables);
@@ -186,11 +191,6 @@ public partial class AddServerWindow
             this.BindCommand(ViewModel, vm => vm.FetchCertCmd, v => v.btnFetchCert).DisposeWith(disposables);
             this.BindCommand(ViewModel, vm => vm.FetchCertChainCmd, v => v.btnFetchCertChain).DisposeWith(disposables);
             this.BindCommand(ViewModel, vm => vm.SaveCmd, v => v.btnSave).DisposeWith(disposables);
-
-            this.WhenAnyValue(v => v.ViewModel.SelectedSource)
-                .WhereNotNull()
-                .Subscribe(InitializeData)
-                .DisposeWith(disposables);
         });
 
         WindowsUtils.SetDarkBorder(this, AppManager.Instance.Config.UiItem.CurrentTheme);

v2rayN/v2rayN/Views/DNSSettingWindow.xaml

@@ -52,6 +52,8 @@
                             <RowDefinition Height="Auto" />
                             <RowDefinition Height="Auto" />
                             <RowDefinition Height="Auto" />
+                            <RowDefinition Height="Auto" />
+                            <RowDefinition Height="Auto" />
                         </Grid.RowDefinitions>
                         <Grid.ColumnDefinitions>
                             <ColumnDefinition Width="Auto" />
@@ -195,13 +197,23 @@
                             Margin="{StaticResource Margin8}"
                             VerticalAlignment="Center"
                             Style="{StaticResource ToolbarTextBlock}"
-                            Text="{x:Static resx:ResUI.TbParallelQuery}" />
-                        <ToggleButton
-                            x:Name="togParallelQuery"
+                            Text="{x:Static resx:ResUI.TbProxyDialResolveStrategy}" />
+                        <ComboBox
+                            x:Name="cmbProxyDialDNSStrategy"
                             Grid.Row="7"
                             Grid.Column="1"
+                            Width="200"
                             Margin="{StaticResource Margin8}"
-                            HorizontalAlignment="Left" />
+                            materialDesign:HintAssist.Hint="Default"
+                            Style="{StaticResource DefComboBox}" />
+                        <TextBlock
+                            Grid.Row="7"
+                            Grid.Column="2"
+                            Margin="{StaticResource Margin8}"
+                            VerticalAlignment="Center"
+                            Style="{StaticResource ToolbarTextBlock}"
+                            Text="{x:Static resx:ResUI.TbProxyDialResolveStrategyTip}"
+                            TextWrapping="Wrap" />
 
                         <TextBlock
                             Grid.Row="8"
@@ -209,13 +221,49 @@
                             Margin="{StaticResource Margin8}"
                             VerticalAlignment="Center"
                             Style="{StaticResource ToolbarTextBlock}"
-                            Text="{x:Static resx:ResUI.TbServeStale}" />
+                            Text="{x:Static resx:ResUI.TbParallelQuery}" />
                         <ToggleButton
-                            x:Name="togServeStale"
+                            x:Name="togParallelQuery"
                             Grid.Row="8"
                             Grid.Column="1"
                             Margin="{StaticResource Margin8}"
                             HorizontalAlignment="Left" />
+
+                        <TextBlock
+                            Grid.Row="9"
+                            Grid.Column="0"
+                            Margin="{StaticResource Margin8}"
+                            VerticalAlignment="Center"
+                            Style="{StaticResource ToolbarTextBlock}"
+                            Text="{x:Static resx:ResUI.TbServeStale}" />
+                        <ToggleButton
+                            x:Name="togServeStale"
+                            Grid.Row="9"
+                            Grid.Column="1"
+                            Margin="{StaticResource Margin8}"
+                            HorizontalAlignment="Left" />
+
+                        <TextBlock
+                            Grid.Row="10"
+                            Grid.Column="0"
+                            Margin="{StaticResource Margin8}"
+                            VerticalAlignment="Center"
+                            Style="{StaticResource ToolbarTextBlock}"
+                            Text="{x:Static resx:ResUI.TbEnableHappyEyeballs}" />
+                        <ToggleButton
+                            x:Name="togEnableHappyEyeballs"
+                            Grid.Row="10"
+                            Grid.Column="1"
+                            Margin="{StaticResource Margin8}"
+                            HorizontalAlignment="Left" />
+                        <TextBlock
+                            Grid.Row="10"
+                            Grid.Column="2"
+                            Margin="{StaticResource Margin8}"
+                            VerticalAlignment="Center"
+                            Style="{StaticResource ToolbarTextBlock}"
+                            Text="{x:Static resx:ResUI.TbEnableHappyEyeballsTip}"
+                            TextWrapping="Wrap" />
                     </Grid>
                 </ScrollViewer>
             </TabItem>
@@ -283,12 +331,25 @@
                             VerticalAlignment="Center"
                             Style="{StaticResource ToolbarTextBlock}"
                             Text="{x:Static resx:ResUI.TbFakeIP}" />
-                        <ToggleButton
-                            x:Name="togFakeIP"
-                            Grid.Row="3"
-                            Grid.Column="1"
-                            Margin="{StaticResource Margin8}"
-                            HorizontalAlignment="Left" />
+                        <Grid Grid.Row="3" Grid.Column="1">
+                            <Grid.ColumnDefinitions>
+                                <ColumnDefinition Width="Auto" />
+                                <ColumnDefinition Width="*" />
+                            </Grid.ColumnDefinitions>
+
+                            <ToggleButton
+                                x:Name="togFakeIP"
+                                Grid.Column="0"
+                                Margin="{StaticResource Margin8}"
+                                HorizontalAlignment="Left" />
+                            <ComboBox
+                                x:Name="cmbFakeIPRange"
+                                Grid.Column="1"
+                                Margin="{StaticResource Margin8}"
+                                HorizontalAlignment="Stretch"
+                                IsEditable="True"
+                                Style="{StaticResource DefComboBox}" />
+                        </Grid>
                         <TextBlock
                             Grid.Row="3"
                             Grid.Column="2"

v2rayN/v2rayN/Views/DNSSettingWindow.xaml.cs

@@ -12,9 +12,11 @@ public partial class DNSSettingWindow
 
         cmbDirectDNSStrategy.ItemsSource = Global.DomainStrategy;
         cmbRemoteDNSStrategy.ItemsSource = Global.DomainStrategy;
+        cmbProxyDialDNSStrategy.ItemsSource = Global.DomainStrategy;
         cmbDirectDNS.ItemsSource = Global.DomainDirectDNSAddress;
         cmbRemoteDNS.ItemsSource = Global.DomainRemoteDNSAddress;
         cmbBootstrapDNS.ItemsSource = Global.DomainPureIPDNSAddress;
+        cmbFakeIPRange.ItemsSource = Global.FakeIPRanges;
         cmbDirectExpectedIPs.ItemsSource = Global.ExpectedIPs;
 
         cmbdomainStrategy4FreedomCompatible.ItemsSource = Global.DomainStrategy;
@@ -27,16 +29,19 @@ public partial class DNSSettingWindow
             this.Bind(ViewModel, vm => vm.UseSystemHosts, v => v.togUseSystemHosts.IsChecked).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.AddCommonHosts, v => v.togAddCommonHosts.IsChecked).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.FakeIP, v => v.togFakeIP.IsChecked).DisposeWith(disposables);
+            this.Bind(ViewModel, vm => vm.FakeIPRange, v => v.cmbFakeIPRange.Text).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.BlockBindingQuery, v => v.togBlockBindingQuery.IsChecked).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.DirectDNS, v => v.cmbDirectDNS.Text).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.RemoteDNS, v => v.cmbRemoteDNS.Text).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.BootstrapDNS, v => v.cmbBootstrapDNS.Text).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.Strategy4Freedom, v => v.cmbDirectDNSStrategy.SelectedItem).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.Strategy4Proxy, v => v.cmbRemoteDNSStrategy.SelectedItem).DisposeWith(disposables);
+            this.Bind(ViewModel, vm => vm.Strategy4ProxyDial, v => v.cmbProxyDialDNSStrategy.SelectedItem).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.Hosts, v => v.txtHosts.Text).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.DirectExpectedIPs, v => v.cmbDirectExpectedIPs.Text).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.ParallelQuery, v => v.togParallelQuery.IsChecked).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.ServeStale, v => v.togServeStale.IsChecked).DisposeWith(disposables);
+            this.Bind(ViewModel, vm => vm.EnableHappyEyeballs, v => v.togEnableHappyEyeballs.IsChecked).DisposeWith(disposables);
 
             this.BindCommand(ViewModel, vm => vm.SaveCmd, v => v.btnSave).DisposeWith(disposables);
 

v2rayN/v2rayN/Views/OptionSettingWindow.xaml

@@ -419,7 +419,7 @@
                                         Text="{x:Static resx:ResUI.TbSettingsFragmentLength}"
                                         TextWrapping="Wrap" />
                                     <TextBox
-                                        x:Name="txtFragmentLength"
+                                        x:Name="txtFragmentLengths"
                                         Grid.Row="1"
                                         Grid.Column="1"
                                         Width="200"
@@ -437,7 +437,7 @@
                                         Text="{x:Static resx:ResUI.TbSettingsFragmentInterval}"
                                         TextWrapping="Wrap" />
                                     <TextBox
-                                        x:Name="txtFragmentInterval"
+                                        x:Name="txtFragmentDelays"
                                         Grid.Row="2"
                                         Grid.Column="1"
                                         Width="200"
@@ -1198,6 +1198,8 @@
                             <RowDefinition Height="Auto" />
                             <RowDefinition Height="Auto" />
                             <RowDefinition Height="Auto" />
+                            <RowDefinition Height="Auto" />
+                            <RowDefinition Height="Auto" />
                         </Grid.RowDefinitions>
                         <Grid.ColumnDefinitions>
                             <ColumnDefinition Width="Auto" />
@@ -1346,6 +1348,39 @@
                             Style="{StaticResource ToolbarTextBlock}"
                             Text="{x:Static resx:ResUI.TbRouteExcludeAddressTip}"
                             TextWrapping="Wrap" />
+
+                        <TextBlock
+                            Grid.Row="10"
+                            Grid.Column="0"
+                            Margin="{StaticResource Margin8}"
+                            VerticalAlignment="Center"
+                            Style="{StaticResource ToolbarTextBlock}"
+                            Text="{x:Static resx:ResUI.TbIpv4Address}" />
+                        <ComboBox
+                            x:Name="cmbIpv4Address"
+                            Grid.Row="10"
+                            Grid.Column="1"
+                            Width="200"
+                            Margin="{StaticResource Margin8}"
+                            HorizontalAlignment="Left"
+                            Style="{StaticResource DefComboBox}" />
+
+
+                        <TextBlock
+                            Grid.Row="11"
+                            Grid.Column="0"
+                            Margin="{StaticResource Margin8}"
+                            VerticalAlignment="Center"
+                            Style="{StaticResource ToolbarTextBlock}"
+                            Text="{x:Static resx:ResUI.TbIpv6Address}" />
+                        <ComboBox
+                            x:Name="cmbIpv6Address"
+                            Grid.Row="11"
+                            Grid.Column="1"
+                            Width="200"
+                            Margin="{StaticResource Margin8}"
+                            HorizontalAlignment="Left"
+                            Style="{StaticResource DefComboBox}" />
                     </Grid>
                 </ScrollViewer>
             </TabItem>

v2rayN/v2rayN/Views/OptionSettingWindow.xaml.cs

@@ -29,6 +29,8 @@ public partial class OptionSettingWindow
         cmbMtu.ItemsSource = Global.TunMtus;
         cmbStack.ItemsSource = Global.TunStacks;
         cmbIcmpRoutingPolicy.ItemsSource = Global.TunIcmpRoutingPolicies;
+        cmbIpv4Address.ItemsSource = Global.TunIPv4Address;
+        cmbIpv6Address.ItemsSource = Global.TunIPv6Address;
         cmbFragmentPackets.ItemsSource = Global.FragmentPacketsOptions;
 
         cmbCoreType1.ItemsSource = Global.CoreTypes;
@@ -82,18 +84,10 @@ public partial class OptionSettingWindow
             this.Bind(ViewModel, vm => vm.EnableFragment, v => v.togenableFragment.IsChecked).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.EnableFinalFragment, v => v.togenableFinalFragment.IsChecked).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.FragmentPackets, v => v.cmbFragmentPackets.Text).DisposeWith(disposables);
-            this.Bind(ViewModel, vm => vm.FragmentLength, v => v.txtFragmentLength.Text).DisposeWith(disposables);
-            this.Bind(ViewModel, vm => vm.FragmentInterval, v => v.txtFragmentInterval.Text).DisposeWith(disposables);
+            this.Bind(ViewModel, vm => vm.FragmentLengths, v => v.txtFragmentLengths.Text).DisposeWith(disposables);
+            this.Bind(ViewModel, vm => vm.FragmentDelays, v => v.txtFragmentDelays.Text).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.FragmentMaxSplit, v => v.txtFragmentMaxSplit.Text).DisposeWith(disposables);
 
-            //this.Bind(ViewModel, vm => vm.Kcpmtu, v => v.txtKcpmtu.Text).DisposeWith(disposables);
-            //this.Bind(ViewModel, vm => vm.Kcptti, v => v.txtKcptti.Text).DisposeWith(disposables);
-            //this.Bind(ViewModel, vm => vm.KcpuplinkCapacity, v => v.txtKcpuplinkCapacity.Text).DisposeWith(disposables);
-            //this.Bind(ViewModel, vm => vm.KcpdownlinkCapacity, v => v.txtKcpdownlinkCapacity.Text).DisposeWith(disposables);
-            //this.Bind(ViewModel, vm => vm.KcpreadBufferSize, v => v.txtKcpreadBufferSize.Text).DisposeWith(disposables);
-            //this.Bind(ViewModel, vm => vm.KcpwriteBufferSize, v => v.txtKcpwriteBufferSize.Text).DisposeWith(disposables);
-            //this.Bind(ViewModel, vm => vm.Kcpcongestion, v => v.togKcpcongestion.IsChecked).DisposeWith(disposables);
-
             this.Bind(ViewModel, vm => vm.AutoRun, v => v.togAutoRun.IsChecked).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.EnableStatistics, v => v.togEnableStatistics.IsChecked).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.DisplayRealTimeSpeed, v => v.togDisplayRealTimeSpeed.IsChecked).DisposeWith(disposables);
@@ -132,6 +126,8 @@ public partial class OptionSettingWindow
             this.Bind(ViewModel, vm => vm.TunIcmpRouting, v => v.cmbIcmpRoutingPolicy.Text).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.TunEnableLegacyProtect, v => v.togEnableLegacyProtect.IsChecked).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.TunRouteExcludeAddress, v => v.txtRouteExcludeAddress.Text).DisposeWith(disposables);
+            this.Bind(ViewModel, vm => vm.TunIPv4Address, v => v.cmbIpv4Address.Text).DisposeWith(disposables);
+            this.Bind(ViewModel, vm => vm.TunIPv6Address, v => v.cmbIpv6Address.Text).DisposeWith(disposables);
 
             this.Bind(ViewModel, vm => vm.CoreType1, v => v.cmbCoreType1.Text).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.CoreType2, v => v.cmbCoreType2.Text).DisposeWith(disposables);

v2rayN/v2rayN/Views/RoutingRuleDetailsWindow.xaml.cs

@@ -18,6 +18,11 @@ public partial class RoutingRuleDetailsWindow
 
         this.WhenActivated(disposables =>
         {
+            this.WhenAnyValue(v => v.ViewModel.SelectedSource)
+                .WhereNotNull()
+                .Subscribe(InitializeData)
+                .DisposeWith(disposables);
+
             this.Bind(ViewModel, vm => vm.SelectedSource.Remarks, v => v.txtRemarks.Text).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.SelectedSource.OutboundTag, v => v.cmbOutboundTag.Text).DisposeWith(disposables);
             this.Bind(ViewModel, vm => vm.SelectedSource.Port, v => v.txtPort.Text).DisposeWith(disposables);
@@ -31,11 +36,6 @@ public partial class RoutingRuleDetailsWindow
 
             this.BindCommand(ViewModel, vm => vm.SelectProfileCmd, v => v.btnSelectProfile).DisposeWith(disposables);
             this.BindCommand(ViewModel, vm => vm.SaveCmd, v => v.btnSave).DisposeWith(disposables);
-
-            this.WhenAnyValue(v => v.ViewModel.SelectedSource)
-                .WhereNotNull()
-                .Subscribe(InitializeData)
-                .DisposeWith(disposables);
         });
         WindowsUtils.SetDarkBorder(this, AppManager.Instance.Config.UiItem.CurrentTheme);
     }

v2rayN/v2rayN/Views/StatusBarView.xaml.cs

@@ -75,6 +75,8 @@ public partial class StatusBarView
                 interaction.SetOutput(Unit.Default);
             }).DisposeWith(disposables);
         });
+
+        _ = RefreshIcon();
     }
 
     private async Task RefreshIcon()