diff --git a/eng/MSBuild/Packaging.targets b/eng/MSBuild/Packaging.targets
index 3171136d95f..32e13e879a6 100644
--- a/eng/MSBuild/Packaging.targets
+++ b/eng/MSBuild/Packaging.targets
@@ -37,7 +37,7 @@
     <!-- https://learn.microsoft.com/dotnet/fundamentals/package-validation/overview -->
     <EnablePackageValidation>true</EnablePackageValidation>
 
-    <PackageValidationBaselineVersion Condition="'$(Stage)' == 'normal' and '$(PackageValidationBaselineVersion)' == ''">9.10.0</PackageValidationBaselineVersion>
+    <PackageValidationBaselineVersion Condition="'$(Stage)' == 'normal' and '$(PackageValidationBaselineVersion)' == ''">10.2.0</PackageValidationBaselineVersion>
   </PropertyGroup>
 
   <!-- Verify that the minimum supported TFM is actually used. Not applicable for project template packages. -->
diff --git a/src/Libraries/Microsoft.Extensions.AI.Abstractions/CompatibilitySuppressions.xml b/src/Libraries/Microsoft.Extensions.AI.Abstractions/CompatibilitySuppressions.xml
deleted file mode 100644
index 40da1294c8d..00000000000
--- a/src/Libraries/Microsoft.Extensions.AI.Abstractions/CompatibilitySuppressions.xml
+++ /dev/null
@@ -1,172 +0,0 @@
-<?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:Microsoft.Extensions.AI.ChatOptions.get_ContinuationToken</Target>
-    <Left>lib/net462/Microsoft.Extensions.AI.Abstractions.dll</Left>
-    <Right>lib/net462/Microsoft.Extensions.AI.Abstractions.dll</Right>
-    <IsBaselineSuppression>true</IsBaselineSuppression>
-  </Suppression>
-  <Suppression>
-    <DiagnosticId>CP0002</DiagnosticId>
-    <Target>M:Microsoft.Extensions.AI.ChatResponse.get_ContinuationToken</Target>
-    <Left>lib/net462/Microsoft.Extensions.AI.Abstractions.dll</Left>
-    <Right>lib/net462/Microsoft.Extensions.AI.Abstractions.dll</Right>
-    <IsBaselineSuppression>true</IsBaselineSuppression>
-  </Suppression>
-  <Suppression>
-    <DiagnosticId>CP0002</DiagnosticId>
-    <Target>M:Microsoft.Extensions.AI.ChatResponseUpdate.get_ContinuationToken</Target>
-    <Left>lib/net462/Microsoft.Extensions.AI.Abstractions.dll</Left>
-    <Right>lib/net462/Microsoft.Extensions.AI.Abstractions.dll</Right>
-    <IsBaselineSuppression>true</IsBaselineSuppression>
-  </Suppression>
-  <Suppression>
-    <DiagnosticId>CP0002</DiagnosticId>
-    <Target>M:Microsoft.Extensions.AI.HostedMcpServerTool.get_Url</Target>
-    <Left>lib/net462/Microsoft.Extensions.AI.Abstractions.dll</Left>
-    <Right>lib/net462/Microsoft.Extensions.AI.Abstractions.dll</Right>
-    <IsBaselineSuppression>true</IsBaselineSuppression>
-  </Suppression>
-  <Suppression>
-    <DiagnosticId>CP0002</DiagnosticId>
-    <Target>M:Microsoft.Extensions.AI.HostedMcpServerTool.set_Headers(System.Collections.Generic.IDictionary{System.String,System.String})</Target>
-    <Left>lib/net462/Microsoft.Extensions.AI.Abstractions.dll</Left>
-    <Right>lib/net462/Microsoft.Extensions.AI.Abstractions.dll</Right>
-    <IsBaselineSuppression>true</IsBaselineSuppression>
-  </Suppression>
-  <Suppression>
-    <DiagnosticId>CP0002</DiagnosticId>
-    <Target>M:Microsoft.Extensions.AI.ChatOptions.get_ContinuationToken</Target>
-    <Left>lib/net8.0/Microsoft.Extensions.AI.Abstractions.dll</Left>
-    <Right>lib/net8.0/Microsoft.Extensions.AI.Abstractions.dll</Right>
-    <IsBaselineSuppression>true</IsBaselineSuppression>
-  </Suppression>
-  <Suppression>
-    <DiagnosticId>CP0002</DiagnosticId>
-    <Target>M:Microsoft.Extensions.AI.ChatResponse.get_ContinuationToken</Target>
-    <Left>lib/net8.0/Microsoft.Extensions.AI.Abstractions.dll</Left>
-    <Right>lib/net8.0/Microsoft.Extensions.AI.Abstractions.dll</Right>
-    <IsBaselineSuppression>true</IsBaselineSuppression>
-  </Suppression>
-  <Suppression>
-    <DiagnosticId>CP0002</DiagnosticId>
-    <Target>M:Microsoft.Extensions.AI.ChatResponseUpdate.get_ContinuationToken</Target>
-    <Left>lib/net8.0/Microsoft.Extensions.AI.Abstractions.dll</Left>
-    <Right>lib/net8.0/Microsoft.Extensions.AI.Abstractions.dll</Right>
-    <IsBaselineSuppression>true</IsBaselineSuppression>
-  </Suppression>
-  <Suppression>
-    <DiagnosticId>CP0002</DiagnosticId>
-    <Target>M:Microsoft.Extensions.AI.HostedMcpServerTool.get_Url</Target>
-    <Left>lib/net8.0/Microsoft.Extensions.AI.Abstractions.dll</Left>
-    <Right>lib/net8.0/Microsoft.Extensions.AI.Abstractions.dll</Right>
-    <IsBaselineSuppression>true</IsBaselineSuppression>
-  </Suppression>
-  <Suppression>
-    <DiagnosticId>CP0002</DiagnosticId>
-    <Target>M:Microsoft.Extensions.AI.HostedMcpServerTool.set_Headers(System.Collections.Generic.IDictionary{System.String,System.String})</Target>
-    <Left>lib/net8.0/Microsoft.Extensions.AI.Abstractions.dll</Left>
-    <Right>lib/net8.0/Microsoft.Extensions.AI.Abstractions.dll</Right>
-    <IsBaselineSuppression>true</IsBaselineSuppression>
-  </Suppression>
-  <Suppression>
-    <DiagnosticId>CP0002</DiagnosticId>
-    <Target>M:Microsoft.Extensions.AI.ChatOptions.get_ContinuationToken</Target>
-    <Left>lib/net9.0/Microsoft.Extensions.AI.Abstractions.dll</Left>
-    <Right>lib/net9.0/Microsoft.Extensions.AI.Abstractions.dll</Right>
-    <IsBaselineSuppression>true</IsBaselineSuppression>
-  </Suppression>
-  <Suppression>
-    <DiagnosticId>CP0002</DiagnosticId>
-    <Target>M:Microsoft.Extensions.AI.ChatResponse.get_ContinuationToken</Target>
-    <Left>lib/net9.0/Microsoft.Extensions.AI.Abstractions.dll</Left>
-    <Right>lib/net9.0/Microsoft.Extensions.AI.Abstractions.dll</Right>
-    <IsBaselineSuppression>true</IsBaselineSuppression>
-  </Suppression>
-  <Suppression>
-    <DiagnosticId>CP0002</DiagnosticId>
-    <Target>M:Microsoft.Extensions.AI.ChatResponseUpdate.get_ContinuationToken</Target>
-    <Left>lib/net9.0/Microsoft.Extensions.AI.Abstractions.dll</Left>
-    <Right>lib/net9.0/Microsoft.Extensions.AI.Abstractions.dll</Right>
-    <IsBaselineSuppression>true</IsBaselineSuppression>
-  </Suppression>
-  <Suppression>
-    <DiagnosticId>CP0002</DiagnosticId>
-    <Target>M:Microsoft.Extensions.AI.HostedMcpServerTool.get_Url</Target>
-    <Left>lib/net9.0/Microsoft.Extensions.AI.Abstractions.dll</Left>
-    <Right>lib/net9.0/Microsoft.Extensions.AI.Abstractions.dll</Right>
-    <IsBaselineSuppression>true</IsBaselineSuppression>
-  </Suppression>
-  <Suppression>
-    <DiagnosticId>CP0002</DiagnosticId>
-    <Target>M:Microsoft.Extensions.AI.HostedMcpServerTool.set_Headers(System.Collections.Generic.IDictionary{System.String,System.String})</Target>
-    <Left>lib/net9.0/Microsoft.Extensions.AI.Abstractions.dll</Left>
-    <Right>lib/net9.0/Microsoft.Extensions.AI.Abstractions.dll</Right>
-    <IsBaselineSuppression>true</IsBaselineSuppression>
-  </Suppression>
-  <Suppression>
-    <DiagnosticId>CP0002</DiagnosticId>
-    <Target>M:Microsoft.Extensions.AI.ChatOptions.get_ContinuationToken</Target>
-    <Left>lib/netstandard2.0/Microsoft.Extensions.AI.Abstractions.dll</Left>
-    <Right>lib/netstandard2.0/Microsoft.Extensions.AI.Abstractions.dll</Right>
-    <IsBaselineSuppression>true</IsBaselineSuppression>
-  </Suppression>
-  <Suppression>
-    <DiagnosticId>CP0002</DiagnosticId>
-    <Target>M:Microsoft.Extensions.AI.ChatResponse.get_ContinuationToken</Target>
-    <Left>lib/netstandard2.0/Microsoft.Extensions.AI.Abstractions.dll</Left>
-    <Right>lib/netstandard2.0/Microsoft.Extensions.AI.Abstractions.dll</Right>
-    <IsBaselineSuppression>true</IsBaselineSuppression>
-  </Suppression>
-  <Suppression>
-    <DiagnosticId>CP0002</DiagnosticId>
-    <Target>M:Microsoft.Extensions.AI.ChatResponseUpdate.get_ContinuationToken</Target>
-    <Left>lib/netstandard2.0/Microsoft.Extensions.AI.Abstractions.dll</Left>
-    <Right>lib/netstandard2.0/Microsoft.Extensions.AI.Abstractions.dll</Right>
-    <IsBaselineSuppression>true</IsBaselineSuppression>
-  </Suppression>
-  <Suppression>
-    <DiagnosticId>CP0002</DiagnosticId>
-    <Target>M:Microsoft.Extensions.AI.HostedMcpServerTool.get_Url</Target>
-    <Left>lib/netstandard2.0/Microsoft.Extensions.AI.Abstractions.dll</Left>
-    <Right>lib/netstandard2.0/Microsoft.Extensions.AI.Abstractions.dll</Right>
-    <IsBaselineSuppression>true</IsBaselineSuppression>
-  </Suppression>
-  <Suppression>
-    <DiagnosticId>CP0002</DiagnosticId>
-    <Target>M:Microsoft.Extensions.AI.HostedMcpServerTool.set_Headers(System.Collections.Generic.IDictionary{System.String,System.String})</Target>
-    <Left>lib/netstandard2.0/Microsoft.Extensions.AI.Abstractions.dll</Left>
-    <Right>lib/netstandard2.0/Microsoft.Extensions.AI.Abstractions.dll</Right>
-    <IsBaselineSuppression>true</IsBaselineSuppression>
-  </Suppression>
-  <Suppression>
-    <DiagnosticId>CP0002</DiagnosticId>
-    <Target>M:Microsoft.Extensions.AI.FunctionApprovalRequestContent.CreateResponse(System.Boolean)</Target>
-    <Left>lib/net462/Microsoft.Extensions.AI.Abstractions.dll</Left>
-    <Right>lib/net462/Microsoft.Extensions.AI.Abstractions.dll</Right>
-    <IsBaselineSuppression>true</IsBaselineSuppression>
-  </Suppression>
-  <Suppression>
-    <DiagnosticId>CP0002</DiagnosticId>
-    <Target>M:Microsoft.Extensions.AI.FunctionApprovalRequestContent.CreateResponse(System.Boolean)</Target>
-    <Left>lib/net8.0/Microsoft.Extensions.AI.Abstractions.dll</Left>
-    <Right>lib/net8.0/Microsoft.Extensions.AI.Abstractions.dll</Right>
-    <IsBaselineSuppression>true</IsBaselineSuppression>
-  </Suppression>
-  <Suppression>
-    <DiagnosticId>CP0002</DiagnosticId>
-    <Target>M:Microsoft.Extensions.AI.FunctionApprovalRequestContent.CreateResponse(System.Boolean)</Target>
-    <Left>lib/net9.0/Microsoft.Extensions.AI.Abstractions.dll</Left>
-    <Right>lib/net9.0/Microsoft.Extensions.AI.Abstractions.dll</Right>
-    <IsBaselineSuppression>true</IsBaselineSuppression>
-  </Suppression>
-  <Suppression>
-    <DiagnosticId>CP0002</DiagnosticId>
-    <Target>M:Microsoft.Extensions.AI.FunctionApprovalRequestContent.CreateResponse(System.Boolean)</Target>
-    <Left>lib/netstandard2.0/Microsoft.Extensions.AI.Abstractions.dll</Left>
-    <Right>lib/netstandard2.0/Microsoft.Extensions.AI.Abstractions.dll</Right>
-    <IsBaselineSuppression>true</IsBaselineSuppression>
-  </Suppression>
-</Suppressions>