microsoft · Jakub Jareš (nohwnd) · May 14, 2026 · May 14, 2026
diff --git a/src/Microsoft.TestPlatform.Client/Execution/TestRunRequest.cs b/src/Microsoft.TestPlatform.Client/Execution/TestRunRequest.cs
@@ -13,7 +13,6 @@
 using Microsoft.VisualStudio.TestPlatform.Common.ExtensionFramework;
 using Microsoft.VisualStudio.TestPlatform.Common.ExtensionFramework.Utilities;
 using Microsoft.VisualStudio.TestPlatform.Common.Telemetry;
-using Microsoft.VisualStudio.TestPlatform.Common.Utilities;
 using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities;
 using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.Interfaces;
 using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.ObjectModel;
@@ -441,42 +440,6 @@ public void HandleTestRunComplete(TestRunCompleteEventArgs runCompleteArgs, Test
                 // Fill in the time taken to complete the run
                 _requestData.MetricsCollection.Add(TelemetryDataConstants.TimeTakenInSecForRun, executionTotalTimeTaken.TotalSeconds);
 
-                // Record assemblies that vstest provided from its search directories.
-                // Telemetry gets 2 properties: assemblies resolved for user code (count only,
-                // no user assembly names), and assemblies resolved for Microsoft/System code (names ok).
-                var (userAssemblies, userCount, msAssemblies, msCount) = AssemblyResolver.GetProvidedDependencySummary();
-                if (userCount > 0)
-                {
-                    _requestData.MetricsCollection.Add(TelemetryDataConstants.ProvidedDependenciesForUser, userAssemblies);
-                    _requestData.MetricsCollection.Add(TelemetryDataConstants.ProvidedDependenciesForUserCount, userCount);
-                }
-                if (msCount > 0)
-                {
-                    _requestData.MetricsCollection.Add(TelemetryDataConstants.ProvidedDependenciesForMicrosoft, msAssemblies);
-                    _requestData.MetricsCollection.Add(TelemetryDataConstants.ProvidedDependenciesForMicrosoftCount, msCount);
-                }
-
-                // Opt-in warning: show all provided assemblies in summary when feature flag is set.
-                // Disable flag takes precedence over opt-in.
-                if ((userCount > 0 || msCount > 0)
-                    && !FeatureFlag.Instance.IsSet(FeatureFlag.VSTEST_DISABLE_WARN_MISSING_EXTENSIONS_DEPENDENCIES)
-                    && FeatureFlag.Instance.IsSet(FeatureFlag.VSTEST_OPTIN_WARN_MISSING_EXTENSIONS_DEPENDENCIES))
-                {
-                    var allAssemblies = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
-                    foreach (var kvp in AssemblyResolver.GetProvidedDependencies())
-                    {
-                        allAssemblies.Add(kvp.Key);
-                    }
-
-                    var message = string.Format(
-                        CultureInfo.CurrentCulture,
-                        ClientResources.ProvidedDependenciesWarning,
-                        string.Join(", ", allAssemblies));
-
-                    LoggerManager.HandleTestRunMessage(
-                        new TestRunMessageEventArgs(TestMessageLevel.Warning, message));
-                }
-
                 // Fill in the Metrics From Test Host Process
                 var metrics = runCompleteArgs.Metrics;
                 if (metrics != null && metrics.Count != 0)

diff --git a/src/Microsoft.TestPlatform.Client/Resources/Resources.Designer.cs b/src/Microsoft.TestPlatform.Client/Resources/Resources.Designer.cs
diff --git a/src/Microsoft.TestPlatform.Client/Resources/Resources.resx b/src/Microsoft.TestPlatform.Client/Resources/Resources.resx
@@ -129,7 +129,4 @@
   <data name="WaitForCompletionOperationIsNotAllowedWhenNoTestRunIsActive" xml:space="preserve">
     <value>Wait for completion operation is not allowed when there is no active test run. </value>
   </data>
-  <data name="ProvidedDependenciesWarning" xml:space="preserve">
-    <value>The test platform provided the following assemblies to resolve dependencies of test extensions that did not ship their own copy: {0}. Test extensions should ship all their dependencies.</value>
-  </data>
 </root>
diff --git a/src/Microsoft.TestPlatform.Client/Resources/xlf/Resources.cs.xlf b/src/Microsoft.TestPlatform.Client/Resources/xlf/Resources.cs.xlf
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <xliff xmlns="urn:oasis:names:tc:xliff:document:1.2" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="1.2" xsi:schemaLocation="urn:oasis:names:tc:xliff:document:1.2 xliff-core-1.2-transitional.xsd">
   <file datatype="xml" source-language="en" original="../Resources.resx" target-language="cs">
     <body>
@@ -7,11 +7,6 @@
         <target state="translated">Testovací běh nešlo spustit, protože byl neplatný počáteční stav.</target>
         <note />
       </trans-unit>
-      <trans-unit id="ProvidedDependenciesWarning">
-        <source>The test platform provided the following assemblies to resolve dependencies of test extensions that did not ship their own copy: {0}. Test extensions should ship all their dependencies.</source>
-        <target state="new">The test platform provided the following assemblies to resolve dependencies of test extensions that did not ship their own copy: {0}. Test extensions should ship all their dependencies.</target>
-        <note />
-      </trans-unit>
       <trans-unit id="WaitForCompletionOperationIsNotAllowedWhenNoTestRunIsActive">
         <source>Wait for completion operation is not allowed when there is no active test run. </source>
         <target state="translated">V případě, že nejsou aktivní žádné testovací běhy, se operace čekání na dokončení nepovoluje. </target>

diff --git a/src/Microsoft.TestPlatform.Client/Resources/xlf/Resources.de.xlf b/src/Microsoft.TestPlatform.Client/Resources/xlf/Resources.de.xlf
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <xliff xmlns="urn:oasis:names:tc:xliff:document:1.2" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="1.2" xsi:schemaLocation="urn:oasis:names:tc:xliff:document:1.2 xliff-core-1.2-transitional.xsd">
   <file datatype="xml" source-language="en" original="../Resources.resx" target-language="de">
     <body>
@@ -7,11 +7,6 @@
         <target state="translated">Der Testlauf konnte nicht ausgeführt werden, weil der Anfangszustand ungültig war.</target>
         <note />
       </trans-unit>
-      <trans-unit id="ProvidedDependenciesWarning">
-        <source>The test platform provided the following assemblies to resolve dependencies of test extensions that did not ship their own copy: {0}. Test extensions should ship all their dependencies.</source>
-        <target state="new">The test platform provided the following assemblies to resolve dependencies of test extensions that did not ship their own copy: {0}. Test extensions should ship all their dependencies.</target>
-        <note />
-      </trans-unit>
       <trans-unit id="WaitForCompletionOperationIsNotAllowedWhenNoTestRunIsActive">
         <source>Wait for completion operation is not allowed when there is no active test run. </source>
         <target state="translated">Das Warten auf den Fertigstellungsvorgang ist unzulässig, wenn kein aktiver Testlauf vorhanden ist. </target>

diff --git a/src/Microsoft.TestPlatform.Client/Resources/xlf/Resources.es.xlf b/src/Microsoft.TestPlatform.Client/Resources/xlf/Resources.es.xlf
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <xliff xmlns="urn:oasis:names:tc:xliff:document:1.2" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="1.2" xsi:schemaLocation="urn:oasis:names:tc:xliff:document:1.2 xliff-core-1.2-transitional.xsd">
   <file datatype="xml" source-language="en" original="../Resources.resx" target-language="es">
     <body>
@@ -7,11 +7,6 @@
         <target state="translated">No se pudo ejecutar la serie de pruebas porque el estado inicial no era válido.</target>
         <note />
       </trans-unit>
-      <trans-unit id="ProvidedDependenciesWarning">
-        <source>The test platform provided the following assemblies to resolve dependencies of test extensions that did not ship their own copy: {0}. Test extensions should ship all their dependencies.</source>
-        <target state="new">The test platform provided the following assemblies to resolve dependencies of test extensions that did not ship their own copy: {0}. Test extensions should ship all their dependencies.</target>
-        <note />
-      </trans-unit>
       <trans-unit id="WaitForCompletionOperationIsNotAllowedWhenNoTestRunIsActive">
         <source>Wait for completion operation is not allowed when there is no active test run. </source>
         <target state="translated">La operación “Esperar que termine” no se permite cuando no hay ninguna serie de pruebas activa. </target>

diff --git a/src/Microsoft.TestPlatform.Client/Resources/xlf/Resources.fr.xlf b/src/Microsoft.TestPlatform.Client/Resources/xlf/Resources.fr.xlf
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <xliff xmlns="urn:oasis:names:tc:xliff:document:1.2" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="1.2" xsi:schemaLocation="urn:oasis:names:tc:xliff:document:1.2 xliff-core-1.2-transitional.xsd">
   <file datatype="xml" source-language="en" original="../Resources.resx" target-language="fr">
     <body>
@@ -7,11 +7,6 @@
         <target state="translated">Impossible d'exécuter la série de tests, car l'état initial est non valide.</target>
         <note />
       </trans-unit>
-      <trans-unit id="ProvidedDependenciesWarning">
-        <source>The test platform provided the following assemblies to resolve dependencies of test extensions that did not ship their own copy: {0}. Test extensions should ship all their dependencies.</source>
-        <target state="new">The test platform provided the following assemblies to resolve dependencies of test extensions that did not ship their own copy: {0}. Test extensions should ship all their dependencies.</target>
-        <note />
-      </trans-unit>
       <trans-unit id="WaitForCompletionOperationIsNotAllowedWhenNoTestRunIsActive">
         <source>Wait for completion operation is not allowed when there is no active test run. </source>
         <target state="translated">L'attente de la fin de l'exécution d'une opération n'est pas autorisée quand il n'existe aucune série de tests active. </target>

diff --git a/src/Microsoft.TestPlatform.Client/Resources/xlf/Resources.it.xlf b/src/Microsoft.TestPlatform.Client/Resources/xlf/Resources.it.xlf
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <xliff xmlns="urn:oasis:names:tc:xliff:document:1.2" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="1.2" xsi:schemaLocation="urn:oasis:names:tc:xliff:document:1.2 xliff-core-1.2-transitional.xsd">
   <file datatype="xml" source-language="en" original="../Resources.resx" target-language="it">
     <body>
@@ -7,11 +7,6 @@
         <target state="translated">Non è stato possibile completare l'esecuzione dei test perché lo stato iniziale non era valido.</target>
         <note />
       </trans-unit>
-      <trans-unit id="ProvidedDependenciesWarning">
-        <source>The test platform provided the following assemblies to resolve dependencies of test extensions that did not ship their own copy: {0}. Test extensions should ship all their dependencies.</source>
-        <target state="new">The test platform provided the following assemblies to resolve dependencies of test extensions that did not ship their own copy: {0}. Test extensions should ship all their dependencies.</target>
-        <note />
-      </trans-unit>
       <trans-unit id="WaitForCompletionOperationIsNotAllowedWhenNoTestRunIsActive">
         <source>Wait for completion operation is not allowed when there is no active test run. </source>
         <target state="translated">L'operazione di attesa completamento non è consentita se non sono presenti esecuzioni dei test attive. </target>

diff --git a/src/Microsoft.TestPlatform.Client/Resources/xlf/Resources.ja.xlf b/src/Microsoft.TestPlatform.Client/Resources/xlf/Resources.ja.xlf
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <xliff xmlns="urn:oasis:names:tc:xliff:document:1.2" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="1.2" xsi:schemaLocation="urn:oasis:names:tc:xliff:document:1.2 xliff-core-1.2-transitional.xsd">
   <file datatype="xml" source-language="en" original="../Resources.resx" target-language="ja">
     <body>
@@ -7,11 +7,6 @@
         <target state="translated">初期状態が無効なため、テストの実行を実行できませんでした。</target>
         <note />
       </trans-unit>
-      <trans-unit id="ProvidedDependenciesWarning">
-        <source>The test platform provided the following assemblies to resolve dependencies of test extensions that did not ship their own copy: {0}. Test extensions should ship all their dependencies.</source>
-        <target state="new">The test platform provided the following assemblies to resolve dependencies of test extensions that did not ship their own copy: {0}. Test extensions should ship all their dependencies.</target>
-        <note />
-      </trans-unit>
       <trans-unit id="WaitForCompletionOperationIsNotAllowedWhenNoTestRunIsActive">
         <source>Wait for completion operation is not allowed when there is no active test run. </source>
         <target state="translated">アクティブなテストの実行がない場合、完了の待機操作は許可されません。</target>

diff --git a/src/Microsoft.TestPlatform.Client/Resources/xlf/Resources.ko.xlf b/src/Microsoft.TestPlatform.Client/Resources/xlf/Resources.ko.xlf
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <xliff xmlns="urn:oasis:names:tc:xliff:document:1.2" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="1.2" xsi:schemaLocation="urn:oasis:names:tc:xliff:document:1.2 xliff-core-1.2-transitional.xsd">
   <file datatype="xml" source-language="en" original="../Resources.resx" target-language="ko">
     <body>
@@ -7,11 +7,6 @@
         <target state="translated">초기 상태가 잘못되어 테스트 실행을 실행할 수 없습니다.</target>
         <note />
       </trans-unit>
-      <trans-unit id="ProvidedDependenciesWarning">
-        <source>The test platform provided the following assemblies to resolve dependencies of test extensions that did not ship their own copy: {0}. Test extensions should ship all their dependencies.</source>
-        <target state="new">The test platform provided the following assemblies to resolve dependencies of test extensions that did not ship their own copy: {0}. Test extensions should ship all their dependencies.</target>
-        <note />
-      </trans-unit>
       <trans-unit id="WaitForCompletionOperationIsNotAllowedWhenNoTestRunIsActive">
         <source>Wait for completion operation is not allowed when there is no active test run. </source>
         <target state="translated">활성 테스트 실행이 없으면 완료 작업을 대기할 수 없습니다. </target>

diff --git a/src/Microsoft.TestPlatform.Client/Resources/xlf/Resources.pl.xlf b/src/Microsoft.TestPlatform.Client/Resources/xlf/Resources.pl.xlf
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <xliff xmlns="urn:oasis:names:tc:xliff:document:1.2" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="1.2" xsi:schemaLocation="urn:oasis:names:tc:xliff:document:1.2 xliff-core-1.2-transitional.xsd">
   <file datatype="xml" source-language="en" original="../Resources.resx" target-language="pl">
     <body>
@@ -7,11 +7,6 @@
         <target state="translated">Nie można wykonać przebiegu testu, ponieważ stan początkowy jest nieprawidłowy.</target>
         <note />
       </trans-unit>
-      <trans-unit id="ProvidedDependenciesWarning">
-        <source>The test platform provided the following assemblies to resolve dependencies of test extensions that did not ship their own copy: {0}. Test extensions should ship all their dependencies.</source>
-        <target state="new">The test platform provided the following assemblies to resolve dependencies of test extensions that did not ship their own copy: {0}. Test extensions should ship all their dependencies.</target>
-        <note />
-      </trans-unit>
       <trans-unit id="WaitForCompletionOperationIsNotAllowedWhenNoTestRunIsActive">
         <source>Wait for completion operation is not allowed when there is no active test run. </source>
         <target state="translated">Oczekiwanie na operację zakończenia nie jest dozwolone, gdy nie ma aktywnego przebiegu testu. </target>

diff --git a/src/Microsoft.TestPlatform.Client/Resources/xlf/Resources.pt-BR.xlf b/src/Microsoft.TestPlatform.Client/Resources/xlf/Resources.pt-BR.xlf
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <xliff xmlns="urn:oasis:names:tc:xliff:document:1.2" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="1.2" xsi:schemaLocation="urn:oasis:names:tc:xliff:document:1.2 xliff-core-1.2-transitional.xsd">
   <file datatype="xml" source-language="en" original="../Resources.resx" target-language="pt-BR">
     <body>
@@ -7,11 +7,6 @@
         <target state="translated">A execução de teste não pôde ser realizada porque o estado inicial era inválido.</target>
         <note />
       </trans-unit>
-      <trans-unit id="ProvidedDependenciesWarning">
-        <source>The test platform provided the following assemblies to resolve dependencies of test extensions that did not ship their own copy: {0}. Test extensions should ship all their dependencies.</source>
-        <target state="new">The test platform provided the following assemblies to resolve dependencies of test extensions that did not ship their own copy: {0}. Test extensions should ship all their dependencies.</target>
-        <note />
-      </trans-unit>
       <trans-unit id="WaitForCompletionOperationIsNotAllowedWhenNoTestRunIsActive">
         <source>Wait for completion operation is not allowed when there is no active test run. </source>
         <target state="translated">A operação esperar conclusão não é permitida quando não há nenhuma execução de teste ativa. </target>

diff --git a/src/Microsoft.TestPlatform.Client/Resources/xlf/Resources.ru.xlf b/src/Microsoft.TestPlatform.Client/Resources/xlf/Resources.ru.xlf
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <xliff xmlns="urn:oasis:names:tc:xliff:document:1.2" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="1.2" xsi:schemaLocation="urn:oasis:names:tc:xliff:document:1.2 xliff-core-1.2-transitional.xsd">
   <file datatype="xml" source-language="en" original="../Resources.resx" target-language="ru">
     <body>
@@ -7,11 +7,6 @@
         <target state="translated">Не удалось выполнить тестовый запуск из-за недопустимого начального состояния.</target>
         <note />
       </trans-unit>
-      <trans-unit id="ProvidedDependenciesWarning">
-        <source>The test platform provided the following assemblies to resolve dependencies of test extensions that did not ship their own copy: {0}. Test extensions should ship all their dependencies.</source>
-        <target state="new">The test platform provided the following assemblies to resolve dependencies of test extensions that did not ship their own copy: {0}. Test extensions should ship all their dependencies.</target>
-        <note />
-      </trans-unit>
       <trans-unit id="WaitForCompletionOperationIsNotAllowedWhenNoTestRunIsActive">
         <source>Wait for completion operation is not allowed when there is no active test run. </source>
         <target state="translated">Операция "Ожидать завершения" запрещена, если нет активного тестового запуска.</target>