diff --git a/Build/MQTTnet.nuspec b/Build/MQTTnet.nuspec
index f9ede290..133f933b 100644
--- a/Build/MQTTnet.nuspec
+++ b/Build/MQTTnet.nuspec
@@ -19,6 +19,7 @@
 * [Server] Reduced async tasks count by moving dedicated keep alive tasks per connection to shared one.
 * [Server] Session takeover and keep alive timeout are now properly set in DISCONNECT packet.
 * [Server] Fixed bug in PubRel packet generation (MQTTv5 only).
+* [Server] Improved message processing performance (+ ~5%).
     </releaseNotes>
     <copyright>Copyright Christian Kratky 2016-2020</copyright>
     <tags>MQTT Message Queue Telemetry Transport MQTTClient MQTTServer Server MQTTBroker Broker NETStandard IoT InternetOfThings Messaging Hardware Arduino Sensor Actuator M2M ESP Smart Home Cities Automation Xamarin Blazor</tags> 
diff --git a/appveyor.yml b/appveyor.yml
index d269bc58..91f238a8 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -13,6 +13,3 @@ build:
   project: MQTTnet.sln
   verbosity: minimal
 
-test_script:
-- cmd: dotnet vstest "%APPVEYOR_BUILD_FOLDER%\Tests\MQTTnet.Core.Tests\bin\Release\netcoreapp3.1\MQTTnet.Tests.dll"
-- cmd: dotnet vstest "%APPVEYOR_BUILD_FOLDER%\Tests\MQTTnet.AspNetCore.Tests\bin\Release\netcoreapp3.1\MQTTnet.AspNetCore.Tests.dll"