diff --git a/examples/Directory.Build.props b/examples/Directory.Build.props
new file mode 100644
index 0000000..a53b408
--- /dev/null
+++ b/examples/Directory.Build.props
@@ -0,0 +1,6 @@
+<Project>
+  <Import Project="$([MSBuild]::GetPathOfFileAbove('Directory.Build.props', '$(MSBuildThisFileDirectory)..'))" />
+  <PropertyGroup>
+    <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
+  </PropertyGroup>
+</Project>
diff --git a/src/Wolfgang.Etl.Abstractions/IProgressTimer.cs b/src/Wolfgang.Etl.Abstractions/IProgressTimer.cs
index 4749499..eadc363 100644
--- a/src/Wolfgang.Etl.Abstractions/IProgressTimer.cs
+++ b/src/Wolfgang.Etl.Abstractions/IProgressTimer.cs
@@ -20,7 +20,9 @@ public interface IProgressTimer : IDisposable
     /// Raised at each timer interval. Subscribers receive progress notifications
     /// and should call <c>CreateProgressReport()</c> then <c>Report()</c>.
     /// </summary>
+#pragma warning disable MA0046 // Elapsed intentionally uses Action (not EventHandler) — changing the delegate signature would be a breaking change across all downstream ETL libraries
     event Action? Elapsed;
+#pragma warning restore MA0046
 
     /// <summary>
     /// Starts the timer with the specified interval in milliseconds.
diff --git a/src/Wolfgang.Etl.Abstractions/Report.cs b/src/Wolfgang.Etl.Abstractions/Report.cs
index 185b113..5cc78fb 100644
--- a/src/Wolfgang.Etl.Abstractions/Report.cs
+++ b/src/Wolfgang.Etl.Abstractions/Report.cs
@@ -32,16 +32,4 @@ public Report(int currentItemCount)
     /// The number of items that have been processed so far in the ETL process.
     /// </summary>
     public int CurrentItemCount { get; }
-
-
-
-    /// <summary>
-    /// The number of items that have been processed so far in the ETL process.
-    /// </summary>
-    /// <remarks>
-    /// This property is obsolete. Use <see cref="CurrentItemCount"/> instead.
-    /// </remarks>
-    [Obsolete("Use CurrentItemCount instead. CurrentCount will be removed in a future version.")]
-    public int CurrentCount => CurrentItemCount;
-
 }
diff --git a/src/Wolfgang.Etl.Abstractions/Wolfgang.Etl.Abstractions.csproj b/src/Wolfgang.Etl.Abstractions/Wolfgang.Etl.Abstractions.csproj
index dca6098..4096d4f 100644
--- a/src/Wolfgang.Etl.Abstractions/Wolfgang.Etl.Abstractions.csproj
+++ b/src/Wolfgang.Etl.Abstractions/Wolfgang.Etl.Abstractions.csproj
@@ -1,9 +1,9 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-	<TargetFrameworks>net462;net472;net48;net481;netstandard2.0;netcoreapp3.1;net5.0;net6.0;net7.0;net8.0;net9.0;net10.0</TargetFrameworks>
+	<TargetFrameworks>net462;net472;net48;net481;netstandard2.0;net5.0;net6.0;net7.0;net8.0;net9.0;net10.0</TargetFrameworks>
 	<LangVersion>latest</LangVersion>
 	<Nullable>enable</Nullable>
-	<Version>0.11.0</Version>
+	<Version>0.12.0</Version>
     <GeneratePackageOnBuild>False</GeneratePackageOnBuild>
     <Title>$(AssemblyName)</Title>
     <Authors>Chris Wolfgang</Authors>
@@ -53,7 +53,7 @@
     get a full reference. The net8+ group pins the version with ExcludeAssets="runtime" to
     prevent NuGet from resolving an older transitive version — no runtime assembly is copied.
   -->
-  <ItemGroup Condition="'$(TargetFramework)' == 'net462' OR '$(TargetFramework)' == 'net472' OR '$(TargetFramework)' == 'net48' OR '$(TargetFramework)' == 'net481' OR '$(TargetFramework)' == 'netstandard2.0' OR '$(TargetFramework)' == 'netcoreapp3.1' OR '$(TargetFramework)' == 'net5.0' OR '$(TargetFramework)' == 'net6.0' OR '$(TargetFramework)' == 'net7.0'">
+  <ItemGroup Condition="'$(TargetFramework)' == 'net462' OR '$(TargetFramework)' == 'net472' OR '$(TargetFramework)' == 'net48' OR '$(TargetFramework)' == 'net481' OR '$(TargetFramework)' == 'netstandard2.0' OR '$(TargetFramework)' == 'net5.0' OR '$(TargetFramework)' == 'net6.0' OR '$(TargetFramework)' == 'net7.0'">
     <PackageReference Include="Microsoft.Bcl.AsyncInterfaces" Version="10.0.5" />
   </ItemGroup>
   <ItemGroup Condition="'$(TargetFramework)' == 'net8.0' OR '$(TargetFramework)' == 'net9.0' OR '$(TargetFramework)' == 'net10.0'">
diff --git a/tests/Directory.Build.props b/tests/Directory.Build.props
new file mode 100644
index 0000000..a53b408
--- /dev/null
+++ b/tests/Directory.Build.props
@@ -0,0 +1,6 @@
+<Project>
+  <Import Project="$([MSBuild]::GetPathOfFileAbove('Directory.Build.props', '$(MSBuildThisFileDirectory)..'))" />
+  <PropertyGroup>
+    <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
+  </PropertyGroup>
+</Project>
diff --git a/tests/Wolfgang.Etl.Abstractions.Tests.Unit/ReportTests.cs b/tests/Wolfgang.Etl.Abstractions.Tests.Unit/ReportTests.cs
index 6d8339d..ca73f6d 100644
--- a/tests/Wolfgang.Etl.Abstractions.Tests.Unit/ReportTests.cs
+++ b/tests/Wolfgang.Etl.Abstractions.Tests.Unit/ReportTests.cs
@@ -46,17 +46,6 @@ public void CurrentItemCount_returns_the_value_passed_to_the_constructor()
 
 
 
-#pragma warning disable CS0618
-    [Fact]
-    public void CurrentCount_returns_the_same_value_as_CurrentItemCount()
-    {
-        var sut = new Report(7);
-        Assert.Equal(sut.CurrentItemCount, sut.CurrentCount);
-    }
-#pragma warning restore CS0618
-
-
-
     [Fact]
     public void Two_Report_instances_with_same_value_are_equal()
     {