chore: add Revit 2027 support and GitHub Packages NuGet source

.github/workflows/build.yml

@@ -29,6 +29,10 @@ jobs:
         with:
           dotnet-version: '8.0.x'
 
+      - name: Authenticate GitHub Packages NuGet source
+        run: |
+          dotnet nuget update source johnpierson-github --username ${{ github.actor }} --password ${{ secrets.GITHUB_TOKEN }} --store-password-in-clear-text
+
       - name: Setup MSBuild for .NET Framework
         uses: microsoft/setup-msbuild@v1.3
 
@@ -56,6 +60,14 @@ jobs:
         run: |
           msbuild src/RhythmCore/RhythmCore.sln /p:Configuration="Release R25" /p:Platform="Any CPU" /t:Restore,Build
 
+      - name: Build RhythmCore - Release R26
+        run: |
+          msbuild src/RhythmCore/RhythmCore.sln /p:Configuration="Release R26" /p:Platform="Any CPU" /t:Restore,Build
+
+      - name: Build RhythmCore - Release R27
+        run: |
+          msbuild src/RhythmCore/RhythmCore.sln /p:Configuration="Release R27" /p:Platform="Any CPU" /t:Restore,Build
+
       - name: Build RhythmRevit - Release R20
         run: |
           msbuild src/RhythmRevit/RhythmRevit.sln /p:Configuration="Release R20" /p:Platform="Any CPU" /t:Restore,Build
@@ -84,12 +96,16 @@ jobs:
         run: |
           msbuild src/RhythmRevit/RhythmRevit.sln /p:Configuration="Release R26" /p:Platform="Any CPU" /t:Restore,Build
 
+      - name: Build RhythmRevit - Release R27
+        run: |
+          msbuild src/RhythmRevit/RhythmRevit.sln /p:Configuration="Release R27" /p:Platform="Any CPU" /t:Restore,Build
+
       - name: Verify deploy folder structure
         run: |
           Write-Host "Verifying deploy folder structure..."
           $deployPath = "deploy"
-          $rhythmCoreVersions = @("2020", "2021", "2022", "2023", "2024", "2025")
-          $rhythmRevitVersions = @("2020", "2021", "2022", "2023", "2024", "2025", "2026")
+          $rhythmCoreVersions = @("2020", "2021", "2022", "2023", "2024", "2025", "2026", "2027")
+          $rhythmRevitVersions = @("2020", "2021", "2022", "2023", "2024", "2025", "2026", "2027")
 
           $allValid = $true
 

NuGet.Config

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+  <packageSources>
+    <add key="nuget.org" value="https://api.nuget.org/v3/index.json" protocolVersion="3" />
+    <add key="johnpierson-github" value="https://nuget.pkg.github.com/johnpierson/index.json" />
+  </packageSources>
+</configuration>

src/RhythmCore/RhythmCore.csproj

@@ -7,8 +7,8 @@
         <UseWPF>true</UseWPF>
         <PlatformTarget>x64</PlatformTarget>
         <AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>
-        <Configurations>Debug R24;Debug R20;Debug R21;Debug R22;Debug R23;Debug R25;Debug R26;</Configurations>
-        <Configurations>$(Configurations)Release R24;Release R20;Release R21;Release R22;Release R23;Release R25;Release R26;</Configurations>
+        <Configurations>Debug R24;Debug R20;Debug R21;Debug R22;Debug R23;Debug R25;Debug R26;Debug R27;</Configurations>
+        <Configurations>$(Configurations)Release R24;Release R20;Release R21;Release R22;Release R23;Release R25;Release R26;Release R27;</Configurations>
         <NoWarn>MSB3277;CS1591</NoWarn>
   </PropertyGroup>
  <PropertyGroup Condition="$(Configuration.Contains('Debug R20'))">
@@ -110,14 +110,30 @@
         <DebugSymbols>true</DebugSymbols>
         <DebugType>full</DebugType>
         <DefineConstants>$(DefineConstants);R26;R20_OR_GREATER;R21_OR_GREATER;R22_OR_GREATER;R23_OR_GREATER;R24_OR_GREATER;R25_OR_GREATER;R26_OR_GREATER</DefineConstants>
-		<TargetFramework>net7.0-windows</TargetFramework>
+		<TargetFramework>net8.0-windows</TargetFramework>
     </PropertyGroup>
     <PropertyGroup Condition="$(Configuration.Contains('Release R26'))">
         <DynamoVersion>3.0</DynamoVersion>
         <DynamoOutput>3.0</DynamoOutput>
         <RevitVersion>2026</RevitVersion>
         <DefineConstants>$(DefineConstants);R26;R20_OR_GREATER;R21_OR_GREATER;R22_OR_GREATER;R23_OR_GREATER;R24_OR_GREATER;R25_OR_GREATER;R26_OR_GREATER</DefineConstants>
-		<TargetFramework>net7.0-windows</TargetFramework>
+		<TargetFramework>net8.0-windows</TargetFramework>
+    </PropertyGroup>
+	<PropertyGroup Condition="$(Configuration.Contains('Debug R27'))">
+        <DynamoVersion>4.0</DynamoVersion>
+        <DynamoOutput>4.0</DynamoOutput>
+        <RevitVersion>2027</RevitVersion>
+        <DebugSymbols>true</DebugSymbols>
+        <DebugType>full</DebugType>
+        <DefineConstants>$(DefineConstants);R27;R20_OR_GREATER;R21_OR_GREATER;R22_OR_GREATER;R23_OR_GREATER;R24_OR_GREATER;R25_OR_GREATER;R26_OR_GREATER;R27_OR_GREATER</DefineConstants>
+		<TargetFramework>net8.0-windows</TargetFramework>
+    </PropertyGroup>
+    <PropertyGroup Condition="$(Configuration.Contains('Release R27'))">
+        <DynamoVersion>4.0</DynamoVersion>
+        <DynamoOutput>4.0</DynamoOutput>
+        <RevitVersion>2027</RevitVersion>
+        <DefineConstants>$(DefineConstants);R27;R20_OR_GREATER;R21_OR_GREATER;R22_OR_GREATER;R23_OR_GREATER;R24_OR_GREATER;R25_OR_GREATER;R26_OR_GREATER;R27_OR_GREATER</DefineConstants>
+		<TargetFramework>net8.0-windows</TargetFramework>
     </PropertyGroup>
    <PropertyGroup>
         <DynVersion>$(DynamoVersion)</DynVersion>
@@ -177,7 +193,13 @@
 	 <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release R26|AnyCPU'">
 	   <Optimize>True</Optimize>
 	 </PropertyGroup>
-  <ItemGroup Condition="'$(Configuration)|$(Platform)'!='Release R25|AnyCPU' And '$(Configuration)|$(Platform)'!='Debug R25|AnyCPU' And '$(Configuration)|$(Platform)'!='Release R26|AnyCPU' And '$(Configuration)|$(Platform)'!='Debug R26|AnyCPU'">
+	 <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug R27|AnyCPU'">
+	   <Optimize>True</Optimize>
+	 </PropertyGroup>
+	 <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release R27|AnyCPU'">
+	   <Optimize>True</Optimize>
+	 </PropertyGroup>
+  <ItemGroup Condition="'$(Configuration)|$(Platform)'!='Release R25|AnyCPU' And '$(Configuration)|$(Platform)'!='Debug R25|AnyCPU' And '$(Configuration)|$(Platform)'!='Release R26|AnyCPU' And '$(Configuration)|$(Platform)'!='Debug R26|AnyCPU' And '$(Configuration)|$(Platform)'!='Release R27|AnyCPU' And '$(Configuration)|$(Platform)'!='Debug R27|AnyCPU'">
    <PackageReference Include="DynamoVisualProgramming.Core" Version="$(DynVersion).*" />
    <PackageReference Include="DynamoVisualProgramming.DynamoCoreNodes" Version="$(DynVersion).*" />
    <PackageReference Include="DynamoVisualProgramming.ZeroTouchLibrary" Version="$(DynVersion).*" />
@@ -197,7 +219,7 @@
    <PackageReference Include="Markov" Version="2.0.0" />
    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
   </ItemGroup>
-  <ItemGroup Condition="'$(Configuration)|$(Platform)'=='Release R25|AnyCPU' Or '$(Configuration)|$(Platform)'=='Debug R25|AnyCPU' Or '$(Configuration)|$(Platform)'=='Release R26|AnyCPU' Or '$(Configuration)|$(Platform)'=='Debug R26|AnyCPU'">
+  <ItemGroup Condition="'$(Configuration)|$(Platform)'=='Release R25|AnyCPU' Or '$(Configuration)|$(Platform)'=='Debug R25|AnyCPU' Or '$(Configuration)|$(Platform)'=='Release R26|AnyCPU' Or '$(Configuration)|$(Platform)'=='Debug R26|AnyCPU' Or '$(Configuration)|$(Platform)'=='Release R27|AnyCPU' Or '$(Configuration)|$(Platform)'=='Debug R27|AnyCPU'">
         <PackageReference Include="DynamoVisualProgramming.DynamoCoreNodes" Version="3.0.0-beta6885" />
 		<PackageReference Include="DynamoVisualProgramming.Core" Version="3.0.0-beta6885" />
 		<PackageReference Include="DynamoVisualProgramming.ZeroTouchLibrary" Version="3.0.0-beta6885" />

src/RhythmCore/RhythmCore.sln

@@ -14,13 +14,15 @@ Global
 		Debug R24|Any CPU = Debug R24|Any CPU
 		Debug R25|Any CPU = Debug R25|Any CPU
 		Debug R26|Any CPU = Debug R26|Any CPU
+		Debug R27|Any CPU = Debug R27|Any CPU
 		Release R20|Any CPU = Release R20|Any CPU
 		Release R21|Any CPU = Release R21|Any CPU
 		Release R22|Any CPU = Release R22|Any CPU
 		Release R23|Any CPU = Release R23|Any CPU
 		Release R24|Any CPU = Release R24|Any CPU
 		Release R25|Any CPU = Release R25|Any CPU
 		Release R26|Any CPU = Release R26|Any CPU
+		Release R27|Any CPU = Release R27|Any CPU
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
 		{63D58255-D8AB-42FE-BD8E-5EBE6C64C558}.Debug R20|Any CPU.ActiveCfg = Debug R20|Any CPU
@@ -51,6 +53,10 @@ Global
 		{63D58255-D8AB-42FE-BD8E-5EBE6C64C558}.Release R25|Any CPU.Build.0 = Release R25|Any CPU
 		{63D58255-D8AB-42FE-BD8E-5EBE6C64C558}.Release R26|Any CPU.ActiveCfg = Release R26|Any CPU
 		{63D58255-D8AB-42FE-BD8E-5EBE6C64C558}.Release R26|Any CPU.Build.0 = Release R26|Any CPU
+		{63D58255-D8AB-42FE-BD8E-5EBE6C64C558}.Debug R27|Any CPU.ActiveCfg = Debug R27|Any CPU
+		{63D58255-D8AB-42FE-BD8E-5EBE6C64C558}.Debug R27|Any CPU.Build.0 = Debug R27|Any CPU
+		{63D58255-D8AB-42FE-BD8E-5EBE6C64C558}.Release R27|Any CPU.ActiveCfg = Release R27|Any CPU
+		{63D58255-D8AB-42FE-BD8E-5EBE6C64C558}.Release R27|Any CPU.Build.0 = Release R27|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

src/RhythmRevit/RhythmRevit.csproj

@@ -10,8 +10,8 @@
         <AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>
 		<GenerateTargetFrameworkAttribute>false</GenerateTargetFrameworkAttribute>    	
         <Configurations>
-          Debug R20;Debug R21;Debug R22;Debug R23;Debug R24;Debug R25;Debug R26;
-          Release R20;Release R21;Release R22;Release R23;Release R24;Release R25;Release R26
+          Debug R20;Debug R21;Debug R22;Debug R23;Debug R24;Debug R25;Debug R26;Debug R27;
+          Release R20;Release R21;Release R22;Release R23;Release R24;Release R25;Release R26;Release R27
         </Configurations>
         <NoWarn>MSB3277;CS1591</NoWarn>
     </PropertyGroup>
@@ -120,6 +120,22 @@
         <RevitVersion>2026</RevitVersion>
         <DefineConstants>$(DefineConstants);R26;R20_OR_GREATER;R21_OR_GREATER;R22_OR_GREATER;R23_OR_GREATER;R24_OR_GREATER;R25_OR_GREATER;R26_OR_GREATER</DefineConstants>
 		<TargetFramework>net8.0-windows</TargetFramework>
+    </PropertyGroup>
+	<PropertyGroup Condition="$(Configuration.Contains('Debug R27'))">
+        <DynamoVersion>4.0</DynamoVersion>
+        <DynamoOutput>4.0</DynamoOutput>
+        <RevitVersion>2027</RevitVersion>
+        <DebugSymbols>true</DebugSymbols>
+        <DebugType>full</DebugType>
+        <DefineConstants>$(DefineConstants);R27;R20_OR_GREATER;R21_OR_GREATER;R22_OR_GREATER;R23_OR_GREATER;R24_OR_GREATER;R25_OR_GREATER;R26_OR_GREATER;R27_OR_GREATER</DefineConstants>
+		<TargetFramework>net8.0-windows</TargetFramework>
+    </PropertyGroup>
+    <PropertyGroup Condition="$(Configuration.Contains('Release R27'))">
+        <DynamoVersion>4.0</DynamoVersion>
+        <DynamoOutput>4.0</DynamoOutput>
+        <RevitVersion>2027</RevitVersion>
+        <DefineConstants>$(DefineConstants);R27;R20_OR_GREATER;R21_OR_GREATER;R22_OR_GREATER;R23_OR_GREATER;R24_OR_GREATER;R25_OR_GREATER;R26_OR_GREATER;R27_OR_GREATER</DefineConstants>
+		<TargetFramework>net8.0-windows</TargetFramework>
     </PropertyGroup>
 	 <PropertyGroup>
         <DynVersion>$(DynamoVersion)</DynVersion>
@@ -173,7 +189,19 @@
 	 <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release R25|AnyCPU'">
 	   <Optimize>True</Optimize>
 	 </PropertyGroup>
-	<ItemGroup Condition="'$(Configuration)|$(Platform)'!='Release R25|AnyCPU'">
+	 <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug R26|AnyCPU'">
+	   <Optimize>True</Optimize>
+	 </PropertyGroup>
+	 <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release R26|AnyCPU'">
+	   <Optimize>True</Optimize>
+	 </PropertyGroup>
+	 <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug R27|AnyCPU'">
+	   <Optimize>True</Optimize>
+	 </PropertyGroup>
+	 <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release R27|AnyCPU'">
+	   <Optimize>True</Optimize>
+	 </PropertyGroup>
+	<ItemGroup Condition="'$(Configuration)|$(Platform)'!='Release R25|AnyCPU' And '$(Configuration)|$(Platform)'!='Debug R25|AnyCPU' And '$(Configuration)|$(Platform)'!='Release R26|AnyCPU' And '$(Configuration)|$(Platform)'!='Debug R26|AnyCPU' And '$(Configuration)|$(Platform)'!='Release R27|AnyCPU' And '$(Configuration)|$(Platform)'!='Debug R27|AnyCPU'">
         <Reference Include="System.Windows" />
     </ItemGroup>
 	<ItemGroup>
@@ -198,7 +226,7 @@
         <PackageReference Include="System.Collections.Immutable" Version="1.7.1" />
         <PackageReference Include="System.Runtime.CompilerServices.Unsafe" Version="4.5.3" />
 	</ItemGroup>-->
-	<ItemGroup Condition="'$(Configuration)|$(Platform)'=='Debug R25|AnyCPU' Or '$(Configuration)|$(Platform)'=='Release R25|AnyCPU' Or '$(Configuration)|$(Platform)'=='Debug R26|AnyCPU' Or '$(Configuration)|$(Platform)'=='Release R26|AnyCPU'">
+	<ItemGroup Condition="'$(Configuration)|$(Platform)'=='Debug R25|AnyCPU' Or '$(Configuration)|$(Platform)'=='Release R25|AnyCPU' Or '$(Configuration)|$(Platform)'=='Debug R26|AnyCPU' Or '$(Configuration)|$(Platform)'=='Release R26|AnyCPU' Or '$(Configuration)|$(Platform)'=='Debug R27|AnyCPU' Or '$(Configuration)|$(Platform)'=='Release R27|AnyCPU'">
         <PackageReference Include="CommonServiceLocator" Version="2.0.7" />
         <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
         <PackageReference Include="NUnit" Version="3.14.0" />

src/RhythmRevit/RhythmRevit.sln

@@ -14,13 +14,15 @@ Global
 		Debug R24|Any CPU = Debug R24|Any CPU
 		Debug R25|Any CPU = Debug R25|Any CPU
 		Debug R26|Any CPU = Debug R26|Any CPU
+		Debug R27|Any CPU = Debug R27|Any CPU
 		Release R20|Any CPU = Release R20|Any CPU
 		Release R21|Any CPU = Release R21|Any CPU
 		Release R22|Any CPU = Release R22|Any CPU
 		Release R23|Any CPU = Release R23|Any CPU
 		Release R24|Any CPU = Release R24|Any CPU
 		Release R25|Any CPU = Release R25|Any CPU
 		Release R26|Any CPU = Release R26|Any CPU
+		Release R27|Any CPU = Release R27|Any CPU
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
 		{F81F0428-9C76-4E24-A5A8-2DB36804FE81}.Debug R20|Any CPU.ActiveCfg = Debug R20|Any CPU
@@ -51,6 +53,10 @@ Global
 		{F81F0428-9C76-4E24-A5A8-2DB36804FE81}.Release R25|Any CPU.Build.0 = Release R25|Any CPU
 		{F81F0428-9C76-4E24-A5A8-2DB36804FE81}.Release R26|Any CPU.ActiveCfg = Release R26|Any CPU
 		{F81F0428-9C76-4E24-A5A8-2DB36804FE81}.Release R26|Any CPU.Build.0 = Release R26|Any CPU
+		{F81F0428-9C76-4E24-A5A8-2DB36804FE81}.Debug R27|Any CPU.ActiveCfg = Debug R27|Any CPU
+		{F81F0428-9C76-4E24-A5A8-2DB36804FE81}.Debug R27|Any CPU.Build.0 = Debug R27|Any CPU
+		{F81F0428-9C76-4E24-A5A8-2DB36804FE81}.Release R27|Any CPU.ActiveCfg = Release R27|Any CPU
+		{F81F0428-9C76-4E24-A5A8-2DB36804FE81}.Release R27|Any CPU.Build.0 = Release R27|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

src/RhythmUI/RhythmUI.csproj

@@ -6,8 +6,8 @@
         <UseWPF>true</UseWPF>
         <PlatformTarget>x64</PlatformTarget>
         <AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>
-        <Configurations>Debug R24;Debug R20;Debug R21;Debug R22;Debug R23;Debug R25;Debug R26;</Configurations>
-        <Configurations>$(Configurations)Release R24;Release R20;Release R21;Release R22;Release R23;Release R25;Release R26;</Configurations>
+        <Configurations>Debug R24;Debug R20;Debug R21;Debug R22;Debug R23;Debug R25;Debug R26;Debug R27;</Configurations>
+        <Configurations>$(Configurations)Release R24;Release R20;Release R21;Release R22;Release R23;Release R25;Release R26;Release R27;</Configurations>
         <NoWarn>MSB3277;CS1591</NoWarn>
   </PropertyGroup>
   <PropertyGroup Condition="$(Configuration.Contains('Debug R20'))">
@@ -117,6 +117,22 @@
         <RevitVersion>2026</RevitVersion>
         <DefineConstants>$(DefineConstants);R26;R20_OR_GREATER;R21_OR_GREATER;R22_OR_GREATER;R23_OR_GREATER;R24_OR_GREATER;R25_OR_GREATER;R26_OR_GREATER</DefineConstants>
 		<TargetFramework>net8.0-windows</TargetFramework>
+    </PropertyGroup>
+	<PropertyGroup Condition="$(Configuration.Contains('Debug R27'))">
+        <DynamoVersion>4.0</DynamoVersion>
+        <DynamoOutput>4.0</DynamoOutput>
+        <RevitVersion>2027</RevitVersion>
+        <DebugSymbols>true</DebugSymbols>
+        <DebugType>full</DebugType>
+        <DefineConstants>$(DefineConstants);R27;R20_OR_GREATER;R21_OR_GREATER;R22_OR_GREATER;R23_OR_GREATER;R24_OR_GREATER;R25_OR_GREATER;R26_OR_GREATER;R27_OR_GREATER</DefineConstants>
+		<TargetFramework>net8.0-windows</TargetFramework>
+    </PropertyGroup>
+    <PropertyGroup Condition="$(Configuration.Contains('Release R27'))">
+        <DynamoVersion>4.0</DynamoVersion>
+        <DynamoOutput>4.0</DynamoOutput>
+        <RevitVersion>2027</RevitVersion>
+        <DefineConstants>$(DefineConstants);R27;R20_OR_GREATER;R21_OR_GREATER;R22_OR_GREATER;R23_OR_GREATER;R24_OR_GREATER;R25_OR_GREATER;R26_OR_GREATER;R27_OR_GREATER</DefineConstants>
+		<TargetFramework>net8.0-windows</TargetFramework>
     </PropertyGroup>
     <PropertyGroup>
         <DynVersion>$(DynamoVersion)</DynVersion>
@@ -176,6 +192,12 @@
 	 <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release R26|AnyCPU'">
 	   <Optimize>True</Optimize>
 	 </PropertyGroup>
+	 <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug R27|AnyCPU'">
+	   <Optimize>True</Optimize>
+	 </PropertyGroup>
+	 <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release R27|AnyCPU'">
+	   <Optimize>True</Optimize>
+	 </PropertyGroup>
 	 <ItemGroup>
 	    <PackageReference Include="DynamoVisualProgramming.Revit" Version="$(DynVersion).*" />
         <PackageReference Include="DynamoVisualProgramming.DynamoCoreNodes" Version="$(DynVersion).*" />
@@ -193,14 +215,14 @@
       <Private>False</Private>
     </Reference>
 	 </ItemGroup>
-	  <ItemGroup Condition="'$(Configuration)|$(Platform)'!='Release R25|AnyCPU' And '$(Configuration)|$(Platform)'!='Release R26|AnyCPU' And '$(Configuration)|$(Platform)'!='Debug R25|AnyCPU' And '$(Configuration)|$(Platform)'!='Debug R26|AnyCPU'">
+	  <ItemGroup Condition="'$(Configuration)|$(Platform)'!='Release R25|AnyCPU' And '$(Configuration)|$(Platform)'!='Release R26|AnyCPU' And '$(Configuration)|$(Platform)'!='Debug R25|AnyCPU' And '$(Configuration)|$(Platform)'!='Debug R26|AnyCPU' And '$(Configuration)|$(Platform)'!='Release R27|AnyCPU' And '$(Configuration)|$(Platform)'!='Debug R27|AnyCPU'">
 		<PackageReference Include="CommonServiceLocator" Version="1.0" />
 
         <PackageReference Include="NUnit" Version="2.6.3" />
         <PackageReference Include="System.Collections.Immutable" Version="1.7.1" />
         <PackageReference Include="System.Runtime.CompilerServices.Unsafe" Version="4.5.3" />
 	</ItemGroup>
-	<ItemGroup Condition="'$(Configuration)|$(Platform)'=='Release R25|AnyCPU' Or '$(Configuration)|$(Platform)'=='Debug R25|AnyCPU' Or '$(Configuration)|$(Platform)'=='Release R26|AnyCPU' Or '$(Configuration)|$(Platform)'=='Debug R26|AnyCPU'">
+	<ItemGroup Condition="'$(Configuration)|$(Platform)'=='Release R25|AnyCPU' Or '$(Configuration)|$(Platform)'=='Debug R25|AnyCPU' Or '$(Configuration)|$(Platform)'=='Release R26|AnyCPU' Or '$(Configuration)|$(Platform)'=='Debug R26|AnyCPU' Or '$(Configuration)|$(Platform)'=='Release R27|AnyCPU' Or '$(Configuration)|$(Platform)'=='Debug R27|AnyCPU'">
         <PackageReference Include="CommonServiceLocator" Version="2.0.7" />
 
         <PackageReference Include="NUnit" Version="3.14.0" />
@@ -243,6 +265,11 @@
 	      <HintPath>C:\Users\piersoj\Documents\Repos\RhythmForDynamo\deploy\2026\RhythmRevit.dll</HintPath>
         </Reference>
 	</ItemGroup>
+<ItemGroup Condition="'$(Configuration)|$(Platform)'=='Release R27|AnyCPU' Or '$(Configuration)|$(Platform)'=='Debug R27|AnyCPU'">
+		<Reference Include="RhythmRevit">
+	      <HintPath>C:\Users\piersoj\Documents\Repos\RhythmForDynamo\deploy\2027\RhythmRevit.dll</HintPath>
+        </Reference>
+	</ItemGroup>
 
 	<Target Name="CopyFiles" AfterTargets="CoreBuild">
         <Message Text="Build Revit Version $(RevitVersion)" Importance="high" />