diff --git a/Directory.Build.props b/Directory.Build.props
index 5f3055125f..81e3c40a9b 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -14,6 +14,7 @@
     <NeutralLanguage>en-US</NeutralLanguage>
     <Nullable>enable</Nullable>
     <WarningsAsErrors>nullable</WarningsAsErrors>
+    <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
     <ImplicitUsings>enable</ImplicitUsings>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <WarnOnPackingNonPackableProject>false</WarnOnPackingNonPackableProject>
diff --git a/global.json b/global.json
index 391ba3c2a3..e972eb192a 100644
--- a/global.json
+++ b/global.json
@@ -1,6 +1,6 @@
 {
   "sdk": {
-    "version": "8.0.100",
+    "version": "8.0.300",
     "rollForward": "latestFeature"
   }
 }
diff --git a/src/Umbraco.Cms.Api.Common/Umbraco.Cms.Api.Common.csproj b/src/Umbraco.Cms.Api.Common/Umbraco.Cms.Api.Common.csproj
index 523d6f4982..a73fc16574 100644
--- a/src/Umbraco.Cms.Api.Common/Umbraco.Cms.Api.Common.csproj
+++ b/src/Umbraco.Cms.Api.Common/Umbraco.Cms.Api.Common.csproj
@@ -3,7 +3,6 @@
     <Title>Umbraco CMS - API Common</Title>
     <Description>Contains the bits and pieces that are shared between the Umbraco CMS APIs.</Description>
   </PropertyGroup>
-
   <ItemGroup>
     <FrameworkReference Include="Microsoft.AspNetCore.App" />
   </ItemGroup>
diff --git a/src/Umbraco.Cms.Api.Delivery/Umbraco.Cms.Api.Delivery.csproj b/src/Umbraco.Cms.Api.Delivery/Umbraco.Cms.Api.Delivery.csproj
index 8948a49a1a..5e32b81eeb 100644
--- a/src/Umbraco.Cms.Api.Delivery/Umbraco.Cms.Api.Delivery.csproj
+++ b/src/Umbraco.Cms.Api.Delivery/Umbraco.Cms.Api.Delivery.csproj
@@ -3,7 +3,10 @@
     <Title>Umbraco CMS - Delivery API</Title>
     <Description>Contains the presentation layer for the Umbraco CMS Delivery API.</Description>
   </PropertyGroup>
-
+  <PropertyGroup>
+    <!--  TODO: [ASP0019] use IHeaderDictionary.Append or the indexer to append or set headers and remove this override -->
+    <WarningsNotAsErrors>ASP0019</WarningsNotAsErrors>
+  </PropertyGroup>
   <ItemGroup>
     <ProjectReference Include="..\Umbraco.Cms.Api.Common\Umbraco.Cms.Api.Common.csproj" />
     <ProjectReference Include="..\Umbraco.Web.Common\Umbraco.Web.Common.csproj" />
diff --git a/src/Umbraco.Cms.Api.Management/Umbraco.Cms.Api.Management.csproj b/src/Umbraco.Cms.Api.Management/Umbraco.Cms.Api.Management.csproj
index 37ab3611de..88ee0cef62 100644
--- a/src/Umbraco.Cms.Api.Management/Umbraco.Cms.Api.Management.csproj
+++ b/src/Umbraco.Cms.Api.Management/Umbraco.Cms.Api.Management.csproj
@@ -7,7 +7,10 @@
     <AssemblyName>Umbraco.Cms.Api.Management</AssemblyName>
     <RootNamespace>Umbraco.Cms.Api.Management</RootNamespace>
   </PropertyGroup>
-
+  <PropertyGroup>
+    <!-- TODO: Fix all warnings and remove this override -->
+    <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
+  </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="JsonPatch.Net" />
     <PackageReference Include="Swashbuckle.AspNetCore" />
diff --git a/src/Umbraco.Cms.Imaging.ImageSharp/Umbraco.Cms.Imaging.ImageSharp.csproj b/src/Umbraco.Cms.Imaging.ImageSharp/Umbraco.Cms.Imaging.ImageSharp.csproj
index 549ea5cb40..77aed066d8 100644
--- a/src/Umbraco.Cms.Imaging.ImageSharp/Umbraco.Cms.Imaging.ImageSharp.csproj
+++ b/src/Umbraco.Cms.Imaging.ImageSharp/Umbraco.Cms.Imaging.ImageSharp.csproj
@@ -3,7 +3,6 @@
     <Title>Umbraco CMS - Imaging - ImageSharp</Title>
     <Description>Adds imaging support using ImageSharp/ImageSharp.Web to Umbraco CMS.</Description>
   </PropertyGroup>
-
   <ItemGroup>
     <PackageReference Include="SixLabors.ImageSharp" />
     <PackageReference Include="SixLabors.ImageSharp.Web" />
diff --git a/src/Umbraco.Cms.Imaging.ImageSharp2/Umbraco.Cms.Imaging.ImageSharp2.csproj b/src/Umbraco.Cms.Imaging.ImageSharp2/Umbraco.Cms.Imaging.ImageSharp2.csproj
index c513082675..16bac191d5 100644
--- a/src/Umbraco.Cms.Imaging.ImageSharp2/Umbraco.Cms.Imaging.ImageSharp2.csproj
+++ b/src/Umbraco.Cms.Imaging.ImageSharp2/Umbraco.Cms.Imaging.ImageSharp2.csproj
@@ -3,7 +3,6 @@
     <Title>Umbraco CMS - Imaging - ImageSharp 2</Title>
     <Description>Adds imaging support using ImageSharp/ImageSharp.Web version 2 to Umbraco CMS.</Description>
   </PropertyGroup>
-
   <ItemGroup>
     <PackageReference Include="SixLabors.ImageSharp" VersionOverride="[2.1.9, 3)" />
     <PackageReference Include="SixLabors.ImageSharp.Web" VersionOverride="[2.0.2, 3)" />
diff --git a/src/Umbraco.Cms.Persistence.EFCore.SqlServer/Umbraco.Cms.Persistence.EFCore.SqlServer.csproj b/src/Umbraco.Cms.Persistence.EFCore.SqlServer/Umbraco.Cms.Persistence.EFCore.SqlServer.csproj
index 7e6fc6153d..a43a5f01f2 100644
--- a/src/Umbraco.Cms.Persistence.EFCore.SqlServer/Umbraco.Cms.Persistence.EFCore.SqlServer.csproj
+++ b/src/Umbraco.Cms.Persistence.EFCore.SqlServer/Umbraco.Cms.Persistence.EFCore.SqlServer.csproj
@@ -3,7 +3,6 @@
     <Title>Umbraco CMS - Persistence - Entity Framework Core - SQL Server migrations</Title>
     <Description>Adds support for Entity Framework Core SQL Server migrations to Umbraco CMS.</Description>
   </PropertyGroup>
-
   <ItemGroup>
     <!-- Take top-level depedendency on Azure.Identity, because Microsoft.EntityFrameworkCore.SqlServer depends on a vulnerable version -->
     <PackageReference Include="Azure.Identity" />
diff --git a/src/Umbraco.Cms.Persistence.EFCore.Sqlite/Umbraco.Cms.Persistence.EFCore.Sqlite.csproj b/src/Umbraco.Cms.Persistence.EFCore.Sqlite/Umbraco.Cms.Persistence.EFCore.Sqlite.csproj
index 36751bb869..f847ef4786 100644
--- a/src/Umbraco.Cms.Persistence.EFCore.Sqlite/Umbraco.Cms.Persistence.EFCore.Sqlite.csproj
+++ b/src/Umbraco.Cms.Persistence.EFCore.Sqlite/Umbraco.Cms.Persistence.EFCore.Sqlite.csproj
@@ -3,7 +3,6 @@
     <Title>Umbraco CMS - Persistence - Entity Framework Core - SQLite migrations</Title>
     <Description>Adds support for Entity Framework Core SQLite migrations to Umbraco CMS.</Description>
   </PropertyGroup>
-
   <ItemGroup>
     <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" />
   </ItemGroup>
diff --git a/src/Umbraco.Cms.Persistence.EFCore/Umbraco.Cms.Persistence.EFCore.csproj b/src/Umbraco.Cms.Persistence.EFCore/Umbraco.Cms.Persistence.EFCore.csproj
index 4500c2812b..d5fc7229b0 100644
--- a/src/Umbraco.Cms.Persistence.EFCore/Umbraco.Cms.Persistence.EFCore.csproj
+++ b/src/Umbraco.Cms.Persistence.EFCore/Umbraco.Cms.Persistence.EFCore.csproj
@@ -3,8 +3,12 @@
     <Title>Umbraco CMS - Persistence - Entity Framework Core</Title>
     <Description>Adds support for Entity Framework Core to Umbraco CMS.</Description>
   </PropertyGroup>
-
-  <ItemGroup>
+  <PropertyGroup>
+    <!--  TODO: [IDE0270] Simplify null checks, [CS0108] resolve hiding inherited members, [CS1998] remove async or make method synchronous,
+          and remove this override -->
+    <WarningsNotAsErrors>IDE0270,CS0108,CS1998</WarningsNotAsErrors>
+  </PropertyGroup>
+  <ItemGroup> 
     <!-- Take top-level depedendency on Azure.Identity, because Microsoft.EntityFrameworkCore.SqlServer depends on a vulnerable version -->
     <PackageReference Include="Azure.Identity" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" />
diff --git a/src/Umbraco.Cms.Persistence.SqlServer/Umbraco.Cms.Persistence.SqlServer.csproj b/src/Umbraco.Cms.Persistence.SqlServer/Umbraco.Cms.Persistence.SqlServer.csproj
index 75e2a6fe60..d62aea6ceb 100644
--- a/src/Umbraco.Cms.Persistence.SqlServer/Umbraco.Cms.Persistence.SqlServer.csproj
+++ b/src/Umbraco.Cms.Persistence.SqlServer/Umbraco.Cms.Persistence.SqlServer.csproj
@@ -3,7 +3,12 @@
     <Title>Umbraco CMS - Persistence - SQL Server</Title>
     <Description>Adds support for SQL Server to Umbraco CMS.</Description>
   </PropertyGroup>
-
+  <PropertyGroup>
+    <!--  TODO: [SA1405] Simplify null checks, [SA1121] resolve hiding inherited members, [SA1117] remove async or make method synchronous,
+    [IDE1006] fix naming rule violation, [CS0618] handle member obsolete appropriately, [IDE0270] simplify null check, [IDE0057] simplify substring,
+    [IDE0054] use compound assignment, [CSO618] use NVARCARMAX, [IDE0048] add parenthesis for clarity, [CS1574] resolve ML comment cref attribute and remove this override -->
+    <WarningsNotAsErrors>SA1405,SA1121,SA1117,SA1116,IDE1006,CS0618,IDE0270,IDE0057,IDE0054,CSO618,IDE0048,CS1574</WarningsNotAsErrors>
+  </PropertyGroup>
   <ItemGroup>
     <!-- Take top-level depedendency on Azure.Identity, because NPoco.SqlServer depends on a vulnerable version -->
     <PackageReference Include="Azure.Identity" />
diff --git a/src/Umbraco.Cms.Persistence.Sqlite/Umbraco.Cms.Persistence.Sqlite.csproj b/src/Umbraco.Cms.Persistence.Sqlite/Umbraco.Cms.Persistence.Sqlite.csproj
index f9755aad61..0c39c66d64 100644
--- a/src/Umbraco.Cms.Persistence.Sqlite/Umbraco.Cms.Persistence.Sqlite.csproj
+++ b/src/Umbraco.Cms.Persistence.Sqlite/Umbraco.Cms.Persistence.Sqlite.csproj
@@ -3,7 +3,10 @@
     <Title>Umbraco CMS - Persistence - SQLite</Title>
     <Description>Adds support for SQLite to Umbraco CMS.</Description>
   </PropertyGroup>
-
+  <PropertyGroup>
+    <!--  TODO: [CS0114] Resolve hiding inherited members and remove this override -->
+    <WarningsNotAsErrors>CS0114</WarningsNotAsErrors>
+  </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Microsoft.Data.Sqlite" />
   </ItemGroup>
diff --git a/src/Umbraco.Cms.StaticAssets/Umbraco.Cms.StaticAssets.csproj b/src/Umbraco.Cms.StaticAssets/Umbraco.Cms.StaticAssets.csproj
index ff487ca66a..80b7bc0211 100644
--- a/src/Umbraco.Cms.StaticAssets/Umbraco.Cms.StaticAssets.csproj
+++ b/src/Umbraco.Cms.StaticAssets/Umbraco.Cms.StaticAssets.csproj
@@ -6,6 +6,11 @@
     <StaticWebAssetBasePath>/</StaticWebAssetBasePath>
   </PropertyGroup>
 
+  <PropertyGroup>
+    <!--  TODO: [NU5123] Rename files so path is shorter -->
+    <WarningsNotAsErrors>NU5123</WarningsNotAsErrors>
+  </PropertyGroup>
+
   <ItemGroup>
     <FrameworkReference Include="Microsoft.AspNetCore.App" />
     <ProjectReference Include="..\Umbraco.Cms.Api.Management\Umbraco.Cms.Api.Management.csproj" />
@@ -66,4 +71,4 @@
     </ItemGroup>
     <RemoveDir Directories="@(LoginDirectories)" />
   </Target>
-</Project>
+</Project>
\ No newline at end of file
diff --git a/src/Umbraco.Cms.Targets/Umbraco.Cms.Targets.csproj b/src/Umbraco.Cms.Targets/Umbraco.Cms.Targets.csproj
index b83a582ade..e9e0df050d 100644
--- a/src/Umbraco.Cms.Targets/Umbraco.Cms.Targets.csproj
+++ b/src/Umbraco.Cms.Targets/Umbraco.Cms.Targets.csproj
@@ -5,7 +5,11 @@
     <IncludeBuildOutput>false</IncludeBuildOutput>
     <IncludeSymbols>false</IncludeSymbols>
   </PropertyGroup>
-
+  <PropertyGroup>
+    <!--  TODO: [IDE0270] Simplify null checks, [CS0108] resolve hiding inherited members, [CS1998] remove async or make method synchronous,
+          and remove this override -->
+    <WarningsNotAsErrors>IDE0270,CS0108,CS1998</WarningsNotAsErrors>
+  </PropertyGroup>
   <ItemGroup>
     <ProjectReference Include="..\Umbraco.Cms.Api.Delivery\Umbraco.Cms.Api.Delivery.csproj" />
     <ProjectReference Include="..\Umbraco.Cms.StaticAssets\Umbraco.Cms.StaticAssets.csproj" />
diff --git a/src/Umbraco.Cms/Umbraco.Cms.csproj b/src/Umbraco.Cms/Umbraco.Cms.csproj
index 39a3b03c56..3bc60ebd12 100644
--- a/src/Umbraco.Cms/Umbraco.Cms.csproj
+++ b/src/Umbraco.Cms/Umbraco.Cms.csproj
@@ -5,7 +5,6 @@
     <IncludeBuildOutput>false</IncludeBuildOutput>
     <IncludeSymbols>false</IncludeSymbols>
   </PropertyGroup>
-
   <ItemGroup>
     <ProjectReference Include="..\Umbraco.Cms.Targets\Umbraco.Cms.Targets.csproj" />
     <ProjectReference Include="..\Umbraco.Cms.Imaging.ImageSharp\Umbraco.Cms.Imaging.ImageSharp.csproj" />
diff --git a/src/Umbraco.Core/Umbraco.Core.csproj b/src/Umbraco.Core/Umbraco.Core.csproj
index e0d0bd79fa..e4b3a7cd04 100644
--- a/src/Umbraco.Core/Umbraco.Core.csproj
+++ b/src/Umbraco.Core/Umbraco.Core.csproj
@@ -5,7 +5,10 @@
     <Description>Contains the core assembly needed to run Umbraco CMS.</Description>
     <RootNamespace>Umbraco.Cms.Core</RootNamespace>
   </PropertyGroup>
-
+  <PropertyGroup>
+    <!-- TODO: Fix all warnings and remove this override -->
+    <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
+  </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Microsoft.Extensions.Caching.Memory" />
     <PackageReference Include="Microsoft.Extensions.Caching.Abstractions" />
diff --git a/src/Umbraco.Examine.Lucene/Umbraco.Examine.Lucene.csproj b/src/Umbraco.Examine.Lucene/Umbraco.Examine.Lucene.csproj
index 7e28eb6971..e036605449 100644
--- a/src/Umbraco.Examine.Lucene/Umbraco.Examine.Lucene.csproj
+++ b/src/Umbraco.Examine.Lucene/Umbraco.Examine.Lucene.csproj
@@ -5,7 +5,10 @@
     <Description>Adds Examine searching support using Lucene to Umbraco CMS.</Description>
     <RootNamespace>Umbraco.Cms.Infrastructure.Examine</RootNamespace>
   </PropertyGroup>
-
+  <PropertyGroup>
+    <!--  TODO: [CS0618] Handle member obsolete appropriately and remove this override -->
+    <WarningsNotAsErrors>CS0618</WarningsNotAsErrors>
+  </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Examine" />
     <!-- Take top-level depedendency on System.Security.Cryptography.Xml, because Examine depends on a vulnerable version -->
diff --git a/src/Umbraco.Infrastructure/Umbraco.Infrastructure.csproj b/src/Umbraco.Infrastructure/Umbraco.Infrastructure.csproj
index a3b64b1cc5..cca5a43954 100644
--- a/src/Umbraco.Infrastructure/Umbraco.Infrastructure.csproj
+++ b/src/Umbraco.Infrastructure/Umbraco.Infrastructure.csproj
@@ -5,7 +5,10 @@
     <Description>Contains the infrastructure assembly needed to run Umbraco CMS.</Description>
     <RootNamespace>Umbraco.Cms.Infrastructure</RootNamespace>
   </PropertyGroup>
-
+  <PropertyGroup>
+    <!-- TODO: Fix all warnings and remove this override -->
+    <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
+  </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)' == 'Debug'">
     <DefineConstants>$(DefineConstants);TRACE_SCOPES</DefineConstants>
   </PropertyGroup>
diff --git a/src/Umbraco.PublishedCache.NuCache/Umbraco.PublishedCache.NuCache.csproj b/src/Umbraco.PublishedCache.NuCache/Umbraco.PublishedCache.NuCache.csproj
index 4894759e5f..04986712c8 100644
--- a/src/Umbraco.PublishedCache.NuCache/Umbraco.PublishedCache.NuCache.csproj
+++ b/src/Umbraco.PublishedCache.NuCache/Umbraco.PublishedCache.NuCache.csproj
@@ -5,7 +5,10 @@
     <Description>Contains the published cache assembly needed to run Umbraco CMS.</Description>
     <RootNamespace>Umbraco.Cms.Infrastructure.PublishedCache</RootNamespace>
   </PropertyGroup>
-
+  <PropertyGroup>
+    <!-- TODO: Fix all warnings and remove this override -->
+    <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
+  </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Umbraco.CSharpTest.Net.Collections" />
     <PackageReference Include="MessagePack" />
diff --git a/src/Umbraco.Web.Common/Umbraco.Web.Common.csproj b/src/Umbraco.Web.Common/Umbraco.Web.Common.csproj
index 4fa0721a68..6de2cd1278 100644
--- a/src/Umbraco.Web.Common/Umbraco.Web.Common.csproj
+++ b/src/Umbraco.Web.Common/Umbraco.Web.Common.csproj
@@ -5,7 +5,10 @@
     <Description>Contains the web assembly needed to run Umbraco CMS.</Description>
     <RootNamespace>Umbraco.Cms.Web.Common</RootNamespace>
   </PropertyGroup>
-
+  <PropertyGroup>
+    <!-- TODO: Fix all warnings and remove this override -->
+    <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
+  </PropertyGroup>
   <ItemGroup>
     <FrameworkReference Include="Microsoft.AspNetCore.App" />
   </ItemGroup>
diff --git a/src/Umbraco.Web.UI/Umbraco.Web.UI.csproj b/src/Umbraco.Web.UI/Umbraco.Web.UI.csproj
index acd631e1ad..c22b5ae739 100644
--- a/src/Umbraco.Web.UI/Umbraco.Web.UI.csproj
+++ b/src/Umbraco.Web.UI/Umbraco.Web.UI.csproj
@@ -5,6 +5,10 @@
     <EnablePackageValidation>false</EnablePackageValidation>
   </PropertyGroup>
 
+  <PropertyGroup>
+    <!--  TODO: [SA1119] Correct unnecessary parenthesis and remove this override -->
+    <WarningsNotAsErrors>SA1119</WarningsNotAsErrors>
+  </PropertyGroup>
   <Import Project="..\Umbraco.Cms.Targets\buildTransitive\Umbraco.Cms.Targets.props" />
   <Import Project="..\Umbraco.Cms.Targets\buildTransitive\Umbraco.Cms.Targets.targets" />
   <ItemGroup>
diff --git a/src/Umbraco.Web.Website/Umbraco.Web.Website.csproj b/src/Umbraco.Web.Website/Umbraco.Web.Website.csproj
index 31c057e7b9..8ee1e80bb2 100644
--- a/src/Umbraco.Web.Website/Umbraco.Web.Website.csproj
+++ b/src/Umbraco.Web.Website/Umbraco.Web.Website.csproj
@@ -5,7 +5,10 @@
     <Description>Contains the website assembly needed to run the frontend of Umbraco CMS.</Description>
     <RootNamespace>Umbraco.Cms.Web.Website</RootNamespace>
   </PropertyGroup>
-
+  <PropertyGroup>
+    <!-- TODO: Fix all warnings and remove this override -->
+    <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
+  </PropertyGroup>
   <ItemGroup>
     <ProjectReference Include="..\Umbraco.Web.Common\Umbraco.Web.Common.csproj" />
   </ItemGroup>
diff --git a/tests/Umbraco.TestData/Umbraco.TestData.csproj b/tests/Umbraco.TestData/Umbraco.TestData.csproj
index 7e19740a31..2b8fc3fca8 100644
--- a/tests/Umbraco.TestData/Umbraco.TestData.csproj
+++ b/tests/Umbraco.TestData/Umbraco.TestData.csproj
@@ -1,4 +1,9 @@
 <Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <!--  TODO: [CS0618] handle member obsolete appropriately, [IDE1006] fix naming rule violation,
+      [IDE0057] simplify substring and remove this override -->
+    <WarningsNotAsErrors>CS0618,IDE1006,IDE0057</WarningsNotAsErrors>
+  </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Bogus" />
   </ItemGroup>
diff --git a/tests/Umbraco.Tests.Benchmarks/Umbraco.Tests.Benchmarks.csproj b/tests/Umbraco.Tests.Benchmarks/Umbraco.Tests.Benchmarks.csproj
index 189d69ac31..5b8f2b3b56 100644
--- a/tests/Umbraco.Tests.Benchmarks/Umbraco.Tests.Benchmarks.csproj
+++ b/tests/Umbraco.Tests.Benchmarks/Umbraco.Tests.Benchmarks.csproj
@@ -5,7 +5,10 @@
     <IsPackable>false</IsPackable>
     <GenerateProgramFile>false</GenerateProgramFile>
   </PropertyGroup>
-
+  <PropertyGroup>
+    <!-- TODO: Fix all warnings and remove this override -->
+    <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
+  </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="BenchmarkDotNet" />
     <PackageReference Include="Microsoft.Extensions.Logging.Debug" />
diff --git a/tests/Umbraco.Tests.Common/Umbraco.Tests.Common.csproj b/tests/Umbraco.Tests.Common/Umbraco.Tests.Common.csproj
index bf0dc9ddc1..24e0dce808 100644
--- a/tests/Umbraco.Tests.Common/Umbraco.Tests.Common.csproj
+++ b/tests/Umbraco.Tests.Common/Umbraco.Tests.Common.csproj
@@ -7,7 +7,10 @@
     <IsPackable>true</IsPackable>
     <EnablePackageValidation>$(BaseEnablePackageValidation)</EnablePackageValidation>
   </PropertyGroup>
-
+  <PropertyGroup>
+    <!-- TODO: Fix all warnings and remove this override -->
+    <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
+  </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="AutoFixture.AutoMoq" />
     <PackageReference Include="Moq" />
diff --git a/tests/Umbraco.Tests.Integration/Umbraco.Tests.Integration.csproj b/tests/Umbraco.Tests.Integration/Umbraco.Tests.Integration.csproj
index b7ab21b062..a04ee45648 100644
--- a/tests/Umbraco.Tests.Integration/Umbraco.Tests.Integration.csproj
+++ b/tests/Umbraco.Tests.Integration/Umbraco.Tests.Integration.csproj
@@ -9,7 +9,10 @@
     <EnablePackageValidation>$(BaseEnablePackageValidation)</EnablePackageValidation>
     <NoWarn>NU5100</NoWarn>
   </PropertyGroup>
-
+  <PropertyGroup>
+    <!-- TODO: Fix all warnings and remove this override -->
+    <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
+  </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Bogus" />
     <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" />
diff --git a/tests/Umbraco.Tests.UnitTests/Umbraco.Tests.UnitTests.csproj b/tests/Umbraco.Tests.UnitTests/Umbraco.Tests.UnitTests.csproj
index a411bad38c..6986e03494 100644
--- a/tests/Umbraco.Tests.UnitTests/Umbraco.Tests.UnitTests.csproj
+++ b/tests/Umbraco.Tests.UnitTests/Umbraco.Tests.UnitTests.csproj
@@ -5,7 +5,10 @@
     <IsPackable>false</IsPackable>
     <EnablePackageValidation>false</EnablePackageValidation>
   </PropertyGroup>
-
+  <PropertyGroup>
+    <!-- TODO: Fix all warnings and remove this override -->
+    <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
+  </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" />
     <PackageReference Include="NUnit3TestAdapter" />
diff --git a/tools/Umbraco.JsonSchema/Umbraco.JsonSchema.csproj b/tools/Umbraco.JsonSchema/Umbraco.JsonSchema.csproj
index ce5001608f..471ebff802 100644
--- a/tools/Umbraco.JsonSchema/Umbraco.JsonSchema.csproj
+++ b/tools/Umbraco.JsonSchema/Umbraco.JsonSchema.csproj
@@ -4,7 +4,10 @@
     <IsPackable>false</IsPackable>
     <EnablePackageValidation>false</EnablePackageValidation>
   </PropertyGroup>
-
+  <PropertyGroup>
+    <!-- TODO: Fix all warnings and remove this override -->
+    <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
+  </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="CommandLineParser" VersionOverride="2.9.1" />
     <PackageReference Include="NJsonSchema" VersionOverride="11.0.2" />