diff --git a/osu.Desktop/OsuGameDesktop.cs b/osu.Desktop/OsuGameDesktop.cs
index a4270f22b4..79ac24a1da 100644
--- a/osu.Desktop/OsuGameDesktop.cs
+++ b/osu.Desktop/OsuGameDesktop.cs
@@ -13,6 +13,7 @@ using osu.Game;
 using OpenTK.Input;
 using Microsoft.Win32;
 using osu.Desktop.Updater;
+using osu.Framework;
 using osu.Framework.Platform.Windows;
 
 namespace osu.Desktop
@@ -51,11 +52,10 @@ namespace osu.Desktop
                     v.State = Visibility.Visible;
                 });
 
-#if NET_FRAMEWORK
-                Add(new SquirrelUpdateManager());
-#else
-                Add(new SimpleUpdateManager());
-#endif
+                if (RuntimeInfo.OS == RuntimeInfo.Platform.Windows)
+                    Add(new SquirrelUpdateManager());
+                else
+                    Add(new SimpleUpdateManager());
             }
         }
 
diff --git a/osu.Desktop/Program.cs b/osu.Desktop/Program.cs
index 7e6a07c89f..cc08e08653 100644
--- a/osu.Desktop/Program.cs
+++ b/osu.Desktop/Program.cs
@@ -8,10 +8,6 @@ using osu.Framework;
 using osu.Framework.Platform;
 using osu.Game.IPC;
 
-#if NET_FRAMEWORK
-using System.Runtime;
-#endif
-
 namespace osu.Desktop
 {
     public static class Program
@@ -19,8 +15,6 @@ namespace osu.Desktop
         [STAThread]
         public static int Main(string[] args)
         {
-            useMultiCoreJit();
-
             // Back up the cwd before DesktopGameHost changes it
             var cwd = Environment.CurrentDirectory;
 
@@ -51,14 +45,5 @@ namespace osu.Desktop
                 return 0;
             }
         }
-
-        private static void useMultiCoreJit()
-        {
-#if NET_FRAMEWORK
-            var directory = Directory.CreateDirectory(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Profiles"));
-            ProfileOptimization.SetProfileRoot(directory.FullName);
-            ProfileOptimization.StartProfile("Startup.Profile");
-#endif
-        }
     }
 }
diff --git a/osu.Desktop/Updater/SquirrelUpdateManager.cs b/osu.Desktop/Updater/SquirrelUpdateManager.cs
index 81da26cff2..1f8bff74f4 100644
--- a/osu.Desktop/Updater/SquirrelUpdateManager.cs
+++ b/osu.Desktop/Updater/SquirrelUpdateManager.cs
@@ -1,7 +1,6 @@
 // Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
 // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
 
-#if NET_FRAMEWORK
 using System;
 using System.Threading.Tasks;
 using osu.Framework.Allocation;
@@ -162,4 +161,3 @@ namespace osu.Desktop.Updater
         }
     }
 }
-#endif
diff --git a/osu.Desktop/osu.Desktop.csproj b/osu.Desktop/osu.Desktop.csproj
index 1d9928134d..6ee9c3155e 100644
--- a/osu.Desktop/osu.Desktop.csproj
+++ b/osu.Desktop/osu.Desktop.csproj
@@ -13,9 +13,6 @@
     <Version>0.0.0</Version>
     <FileVersion>0.0.0</FileVersion>
   </PropertyGroup>
-  <PropertyGroup Label="Defines">
-    <DefineConstants Condition="'$(TargetFramework)' == 'net471'">$(DefineConstants);NET_FRAMEWORK</DefineConstants>
-  </PropertyGroup>
   <PropertyGroup>
     <StartupObject>osu.Desktop.Program</StartupObject>
   </PropertyGroup>
@@ -29,11 +26,12 @@
     <PackageReference Include="Microsoft.Win32.Registry" Version="4.5.0" />
   </ItemGroup>
   <ItemGroup Label="Package References">
+    <PackageReference Include="System.IO.Packaging" Version="4.5.0" />
+    <PackageReference Include="ppy.squirrel.windows" Version="1.8.0.3" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="2.1.1" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="2.1.1" />
-    <PackageReference Include="squirrel.windows" Version="1.8.0" Condition="'$(TargetFramework)' == 'net471'" />
   </ItemGroup>
   <ItemGroup Label="Resources">
     <EmbeddedResource Include="lazer.ico" />
   </ItemGroup>
-</Project>
\ No newline at end of file
+</Project>
diff --git a/osu.Desktop/osu.nuspec b/osu.Desktop/osu.nuspec
index 316a5443ef..cdd232a9b2 100644
--- a/osu.Desktop/osu.nuspec
+++ b/osu.Desktop/osu.nuspec
@@ -3,7 +3,7 @@
     <metadata>
         <id>osulazer</id>
         <version>0.0.0</version>
-        <title>osulazer</title>
+        <title>osu!lazer</title>
         <authors>ppy Pty Ltd</authors>
         <owners>Dean Herbert</owners>
         <projectUrl>https://osu.ppy.sh/</projectUrl>
diff --git a/osu.Game.Rulesets.Catch.Tests/osu.Game.Rulesets.Catch.Tests.csproj b/osu.Game.Rulesets.Catch.Tests/osu.Game.Rulesets.Catch.Tests.csproj
index 9bef8f258c..51343d9e91 100644
--- a/osu.Game.Rulesets.Catch.Tests/osu.Game.Rulesets.Catch.Tests.csproj
+++ b/osu.Game.Rulesets.Catch.Tests/osu.Game.Rulesets.Catch.Tests.csproj
@@ -2,7 +2,7 @@
   <Import Project="..\osu.TestProject.props" />
   <ItemGroup Label="Package References">
     <PackageReference Include="Appveyor.TestLogger" Version="2.0.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.7.2" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.8.0" />
     <PackageReference Include="NUnit" Version="3.10.1" />
     <PackageReference Include="NUnit3TestAdapter" Version="3.10.0" />
   </ItemGroup>
diff --git a/osu.Game.Rulesets.Mania.Tests/osu.Game.Rulesets.Mania.Tests.csproj b/osu.Game.Rulesets.Mania.Tests/osu.Game.Rulesets.Mania.Tests.csproj
index 61057a64a1..3165f69a6b 100644
--- a/osu.Game.Rulesets.Mania.Tests/osu.Game.Rulesets.Mania.Tests.csproj
+++ b/osu.Game.Rulesets.Mania.Tests/osu.Game.Rulesets.Mania.Tests.csproj
@@ -2,7 +2,7 @@
   <Import Project="..\osu.TestProject.props" />
   <ItemGroup Label="Package References">
     <PackageReference Include="Appveyor.TestLogger" Version="2.0.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.7.2" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.8.0" />
     <PackageReference Include="NUnit" Version="3.10.1" />
     <PackageReference Include="NUnit3TestAdapter" Version="3.10.0" />
   </ItemGroup>
diff --git a/osu.Game.Rulesets.Osu.Tests/osu.Game.Rulesets.Osu.Tests.csproj b/osu.Game.Rulesets.Osu.Tests/osu.Game.Rulesets.Osu.Tests.csproj
index 9e10a556a4..247d5e18c1 100644
--- a/osu.Game.Rulesets.Osu.Tests/osu.Game.Rulesets.Osu.Tests.csproj
+++ b/osu.Game.Rulesets.Osu.Tests/osu.Game.Rulesets.Osu.Tests.csproj
@@ -2,7 +2,7 @@
   <Import Project="..\osu.TestProject.props" />
   <ItemGroup Label="Package References">
     <PackageReference Include="Appveyor.TestLogger" Version="2.0.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.7.2" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.8.0" />
     <PackageReference Include="NUnit" Version="3.10.1" />
     <PackageReference Include="NUnit3TestAdapter" Version="3.10.0" />
   </ItemGroup>
diff --git a/osu.Game.Rulesets.Taiko.Tests/osu.Game.Rulesets.Taiko.Tests.csproj b/osu.Game.Rulesets.Taiko.Tests/osu.Game.Rulesets.Taiko.Tests.csproj
index 0e29da1549..08a0579561 100644
--- a/osu.Game.Rulesets.Taiko.Tests/osu.Game.Rulesets.Taiko.Tests.csproj
+++ b/osu.Game.Rulesets.Taiko.Tests/osu.Game.Rulesets.Taiko.Tests.csproj
@@ -2,7 +2,7 @@
   <Import Project="..\osu.TestProject.props" />
   <ItemGroup Label="Package References">
     <PackageReference Include="Appveyor.TestLogger" Version="2.0.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.7.2" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.8.0" />
     <PackageReference Include="NUnit" Version="3.10.1" />
     <PackageReference Include="NUnit3TestAdapter" Version="3.10.0" />
   </ItemGroup>
diff --git a/osu.Game.Tests/osu.Game.Tests.csproj b/osu.Game.Tests/osu.Game.Tests.csproj
index 478a06ed30..d638af0c38 100644
--- a/osu.Game.Tests/osu.Game.Tests.csproj
+++ b/osu.Game.Tests/osu.Game.Tests.csproj
@@ -2,7 +2,7 @@
   <Import Project="..\osu.TestProject.props" />
   <ItemGroup Label="Package References">
     <PackageReference Include="Appveyor.TestLogger" Version="2.0.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.7.2" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.8.0" />
     <PackageReference Include="NUnit" Version="3.10.1" />
     <PackageReference Include="NUnit3TestAdapter" Version="3.10.0" />
   </ItemGroup>
diff --git a/osu.Game/osu.Game.csproj b/osu.Game/osu.Game.csproj
index aa74641d28..89e80bd06b 100644
--- a/osu.Game/osu.Game.csproj
+++ b/osu.Game/osu.Game.csproj
@@ -18,8 +18,8 @@
     <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="2.1.1" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite.Core" Version="2.1.1" />
     <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
-    <PackageReference Include="ppy.osu.Framework" Version="2018.731.0" />
-    <PackageReference Include="SharpCompress" Version="0.17.1" />
+    <PackageReference Include="ppy.osu.Framework" Version="2018.801.1" />
+    <PackageReference Include="SharpCompress" Version="0.22.0" />
     <PackageReference Include="NUnit" Version="3.10.1" />
     <PackageReference Include="System.ComponentModel.Annotations" Version="4.5.0" />
   </ItemGroup>
diff --git a/osu.Game/osu.nuspec b/osu.Game/osu.nuspec
deleted file mode 100644
index bb7d382cee..0000000000
--- a/osu.Game/osu.nuspec
+++ /dev/null
@@ -1,26 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<package xmlns="http://schemas.microsoft.com/packaging/2011/08/nuspec.xsd">
-    <metadata>
-        <id>osulazer</id>
-        <version>0.0.0</version>
-        <title>osulazer</title>
-        <authors>ppy Pty Ltd</authors>
-        <owners>Dean Herbert</owners>
-        <projectUrl>https://osu.ppy.sh/</projectUrl>
-        <iconUrl>https://puu.sh/tYyXZ/9a01a5d1b0.ico</iconUrl>
-        <requireLicenseAcceptance>false</requireLicenseAcceptance>
-        <description>click the circles. to the beat.</description>
-        <summary>click the circles.</summary>
-        <releaseNotes>testing</releaseNotes>
-        <copyright>Copyright ppy Pty Ltd 2007-2018</copyright>
-        <language>en-AU</language>
-    </metadata>
-    <files>
-      <file src="*.exe" target="lib\net45\" exclude="**vshost**"/>
-      <file src="*.dll" target="lib\net45\"/>
-      <file src="*.config" target="lib\net45\"/>
-      <file src="x86\*.dll" target="lib\net45\x86\"/>
-      <file src="x64\*.dll" target="lib\net45\x64\"/>
-    </files>
-</package>
-