diff --git a/Directory.Build.props b/Directory.Build.props
index 09dd04749d..28035831ba 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -40,8 +40,8 @@
   <!-- Package Validation -->
   <PropertyGroup>
     <GenerateCompatibilitySuppressionFile>false</GenerateCompatibilitySuppressionFile>
-    <EnablePackageValidation>false</EnablePackageValidation> <!-- TODO (V17): Set to true with version 17.0.0 once this version is released. -->
-    <PackageValidationBaselineVersion>16.0.0</PackageValidationBaselineVersion>
+    <EnablePackageValidation>true</EnablePackageValidation>
+    <PackageValidationBaselineVersion>17.0.0</PackageValidationBaselineVersion>
     <EnableStrictModeForCompatibleFrameworksInPackage>true</EnableStrictModeForCompatibleFrameworksInPackage>
     <EnableStrictModeForCompatibleTfms>true</EnableStrictModeForCompatibleTfms>
   </PropertyGroup>
diff --git a/src/Umbraco.Cms.Api.Management/Controllers/MemberType/CopyMemberTypeController.cs b/src/Umbraco.Cms.Api.Management/Controllers/MemberType/CopyMemberTypeController.cs
index e88e50a194..02e1507f76 100644
--- a/src/Umbraco.Cms.Api.Management/Controllers/MemberType/CopyMemberTypeController.cs
+++ b/src/Umbraco.Cms.Api.Management/Controllers/MemberType/CopyMemberTypeController.cs
@@ -20,6 +20,12 @@ public class CopyMemberTypeController : MemberTypeControllerBase
     public CopyMemberTypeController(IMemberTypeService memberTypeService)
         => _memberTypeService = memberTypeService;
 
+    [Obsolete("Please use the overload that includes all parameters. Scheduled for removal in Umbraco 19.")]
+    [NonAction]
+    public async Task<IActionResult> Copy(
+        CancellationToken cancellationToken,
+        Guid id) => await Copy(cancellationToken, id, null);
+
     [HttpPost("{id:guid}/copy")]
     [MapToApiVersion("1.0")]
     [ProducesResponseType(StatusCodes.Status201Created)]
diff --git a/src/Umbraco.Core/CompatibilitySuppressions.xml b/src/Umbraco.Core/CompatibilitySuppressions.xml
index 3cd59acc38..0497d618a9 100644
--- a/src/Umbraco.Core/CompatibilitySuppressions.xml
+++ b/src/Umbraco.Core/CompatibilitySuppressions.xml
@@ -1,11 +1,3 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- https://learn.microsoft.com/dotnet/fundamentals/package-validation/diagnostic-ids -->
-<Suppressions xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
-  <Suppression>
-    <DiagnosticId>CP0002</DiagnosticId>
-    <Target>M:Umbraco.Cms.Core.Configuration.Models.ContentSettings.get_Error404Collection</Target>
-    <Left>lib/net9.0/Umbraco.Core.dll</Left>
-    <Right>lib/net9.0/Umbraco.Core.dll</Right>
-    <IsBaselineSuppression>true</IsBaselineSuppression>
-  </Suppression>
-</Suppressions>
\ No newline at end of file
+<Suppressions xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" />
\ No newline at end of file
diff --git a/tests/Umbraco.Tests.Common/CompatibilitySuppressions.xml b/tests/Umbraco.Tests.Common/CompatibilitySuppressions.xml
new file mode 100644
index 0000000000..50897d0014
--- /dev/null
+++ b/tests/Umbraco.Tests.Common/CompatibilitySuppressions.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- https://learn.microsoft.com/dotnet/fundamentals/package-validation/diagnostic-ids -->
+<Suppressions xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
+  <Suppression>
+    <DiagnosticId>CP0002</DiagnosticId>
+    <Target>M:Umbraco.Cms.Tests.Common.Builders.TemplateBuilder.CreateTextPageTemplate(System.String)</Target>
+    <Left>lib/net10.0/Umbraco.Tests.Common.dll</Left>
+    <Right>lib/net10.0/Umbraco.Tests.Common.dll</Right>
+    <IsBaselineSuppression>true</IsBaselineSuppression>
+  </Suppression>
+</Suppressions>
\ No newline at end of file
diff --git a/tests/Umbraco.Tests.Integration/CompatibilitySuppressions.xml b/tests/Umbraco.Tests.Integration/CompatibilitySuppressions.xml
index f5c79dd905..53b07fb764 100644
--- a/tests/Umbraco.Tests.Integration/CompatibilitySuppressions.xml
+++ b/tests/Umbraco.Tests.Integration/CompatibilitySuppressions.xml
@@ -1,11 +1,32 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- https://learn.microsoft.com/dotnet/fundamentals/package-validation/diagnostic-ids -->
 <Suppressions xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
+  <Suppression>
+    <DiagnosticId>CP0001</DiagnosticId>
+    <Target>T:Umbraco.Cms.Tests.Integration.ManagementApi.DocumentType.Root.ChildrenDocumentTypeTreeControllerTests</Target>
+    <Left>lib/net10.0/Umbraco.Tests.Integration.dll</Left>
+    <Right>lib/net10.0/Umbraco.Tests.Integration.dll</Right>
+    <IsBaselineSuppression>true</IsBaselineSuppression>
+  </Suppression>
+  <Suppression>
+    <DiagnosticId>CP0001</DiagnosticId>
+    <Target>T:Umbraco.Cms.Tests.Integration.ManagementApi.DocumentType.Root.RootDocumentTypeTreeControllerTests</Target>
+    <Left>lib/net10.0/Umbraco.Tests.Integration.dll</Left>
+    <Right>lib/net10.0/Umbraco.Tests.Integration.dll</Right>
+    <IsBaselineSuppression>true</IsBaselineSuppression>
+  </Suppression>
   <Suppression>
     <DiagnosticId>CP0002</DiagnosticId>
-    <Target>M:Umbraco.Cms.Tests.Integration.Umbraco.Infrastructure.Services.ContentEditingServiceTests.Updating_Single_Variant_Name_Does_Not_Change_Update_Dates_Of_Other_Vaiants</Target>
-    <Left>lib/net9.0/Umbraco.Tests.Integration.dll</Left>
-    <Right>lib/net9.0/Umbraco.Tests.Integration.dll</Right>
+    <Target>M:Umbraco.Cms.Tests.Integration.Umbraco.Examine.Lucene.UmbracoExamine.IndexInitializer.#ctor(Umbraco.Cms.Core.Strings.IShortStringHelper,Umbraco.Cms.Core.PropertyEditors.PropertyEditorCollection,Umbraco.Cms.Core.PropertyEditors.MediaUrlGeneratorCollection,Umbraco.Cms.Core.Scoping.IScopeProvider,Microsoft.Extensions.Logging.ILoggerFactory,Microsoft.Extensions.Options.IOptions{Umbraco.Cms.Core.Configuration.Models.ContentSettings},Umbraco.Cms.Core.Services.ILocalizationService,Umbraco.Cms.Core.Services.IContentTypeService,Umbraco.Cms.Core.Services.IDocumentUrlService,Umbraco.Cms.Core.Services.ILanguageService)</Target>
+    <Left>lib/net10.0/Umbraco.Tests.Integration.dll</Left>
+    <Right>lib/net10.0/Umbraco.Tests.Integration.dll</Right>
+    <IsBaselineSuppression>true</IsBaselineSuppression>
+  </Suppression>
+  <Suppression>
+    <DiagnosticId>CP0002</DiagnosticId>
+    <Target>M:Umbraco.Cms.Tests.Integration.Umbraco.Infrastructure.Services.ContentEditingServiceTests.Relate(Umbraco.Cms.Core.Models.IContent,Umbraco.Cms.Core.Models.IContent)</Target>
+    <Left>lib/net10.0/Umbraco.Tests.Integration.dll</Left>
+    <Right>lib/net10.0/Umbraco.Tests.Integration.dll</Right>
     <IsBaselineSuppression>true</IsBaselineSuppression>
   </Suppression>
 </Suppressions>
\ No newline at end of file