PowerShell · aaron-seq · Dec 8, 2025 · Dec 9, 2025 · Dec 14, 2025 · Dec 22, 2025
@@ -165,10 +165,13 @@ protected void GetCimInstanceInternal(CimBaseCommand cmdlet)
                 case CimBaseCommand.CimInstanceSessionSet:
                     {
                         CimInstance instance = GetCimInstanceParameter(cmdlet);
-                        nameSpace = ConstValue.GetNamespace(instance.CimSystemProperties.Namespace);
-                        foreach (CimSessionProxy proxy in proxys)
+                        if (instance != null)
                         {
-                            proxy.GetInstanceAsync(nameSpace, instance);
+                            nameSpace = ConstValue.GetNamespace(instance.CimSystemProperties.Namespace);
+                            foreach (CimSessionProxy proxy in proxys)
+                            {
+                                proxy.GetInstanceAsync(nameSpace, instance);
+                            }
                         }
                     }
 

@@ -143,7 +143,7 @@ internal static class DebugHelper
         /// <summary>
         /// Whether the log been initialized.
         /// </summary>
-        private static bool logInitialized = false;
+        private static volatile bool logInitialized = false;
 
         internal static bool GenerateVerboseMessage { get; set; } = true;
 

@@ -278,7 +278,7 @@ public SwitchParameter Oldest
         private const string queryOpenerTemplate = "<Query Id=\"{0}\" Path=\"{1}\"><Select Path=\"{1}\">*";
         private const string queryCloser = "</Query>";
         private const string SelectCloser = "</Select>";
-        private const string suppressOpener = "<Suppress>*";
+        private const string suppressOpener = "<Suppress Path=\"{1}\">*";
         private const string suppressCloser = "</Suppress>";
         private const char propOpen = '[';
         private const char propClose = ']';

@@ -189,18 +189,23 @@ protected override void BeginProcessing()
 
                 switch (Context.LanguageMode)
                 {
-                    case PSLanguageMode.ConstrainedLanguage:
-                        if (!CoreTypes.Contains(type))
+                case PSLanguageMode.ConstrainedLanguage:
+                    if (System.Management.Automation.Security.SystemPolicy.GetSystemLockdownPolicy() != System.Management.Automation.Security.SystemEnforcementMode.Audit)
+                    {
+                        if ((ComObject != null) || (Strict.IsPresent))
                         {
-                            if (SystemPolicy.GetSystemLockdownPolicy() != SystemEnforcementMode.Audit)
-                            {
-                                ThrowTerminatingError(
-                                    new ErrorRecord(
-                                        new PSNotSupportedException(NewObjectStrings.CannotCreateTypeConstrainedLanguage),
-                                        "CannotCreateTypeConstrainedLanguage",
-                                        ErrorCategory.PermissionDenied,
-                                        targetObject: null));
-                            }
+                            ThrowTerminatingError(
+                                new ErrorRecord(
+                                    new PSNotSupportedException(NewObjectStrings.CannotCreateTypeConstrainedLanguage),
+                                    "CannotCreateTypeConstrainedLanguage",
+                                    ErrorCategory.PermissionDenied,
+                                    targetObject: null));
+                        }
+                    }
+
+                    break;
+                case PSLanguageMode.FullLanguage:
+                    break;
 
                             SystemPolicy.LogWDACAuditMessage(
                                 context: Context,

@@ -78,7 +78,7 @@ public ShowCommandCommandInfo(PSObject other)
             {
                 // Simple case - the objects are still live because they came from in-proc. Just cast them back
                 this.CommandType = (CommandTypes)(other.Members["CommandType"].Value);
-                this.Module = other.Members["Module"].Value as ShowCommandModuleInfo;
+                this.Module = other.Members["Module"]?.Value as ShowCommandModuleInfo;
             }
             else
             {

@@ -821,14 +821,14 @@ internal LocalRunspace LocalRunspace
         {
             get
             {
-                if (_isRunspacePushed)
+                if (RunspaceRef == null)
                 {
-                    return RunspaceRef.OldRunspace as LocalRunspace;
+                    return null;
                 }
 
-                if (RunspaceRef == null)
+                if (_isRunspacePushed)
                 {
-                    return null;
+                    return RunspaceRef.OldRunspace as LocalRunspace;
                 }
 
                 return RunspaceRef.Runspace as LocalRunspace;

@@ -412,7 +412,7 @@ private static ViewDefinition GetView(PSPropertyExpressionFactory expressionFact
                 {
                     ActiveTracer.WriteLine(
                         "NOT MATCH {0}  NAME: {1}",
-                        ControlBase.GetControlShapeName(vd.mainControl), (vd != null ? vd.name : string.Empty));
+                        (vd != null ? ControlBase.GetControlShapeName(vd.mainControl) : "null"), (vd != null ? vd.name : string.Empty));
                     continue;
                 }
 

@@ -782,47 +782,47 @@ public enum PipelineResultTypes
         /// <summary>
         /// Default streaming behavior.
         /// </summary>
-        None,
+        None = 0,
 
         /// <summary>
         /// Success output.
         /// </summary>
-        Output,
+        Output = 1,
 
         /// <summary>
         /// Error output.
         /// </summary>
-        Error,
+        Error = 2,
 
         /// <summary>
         /// Warning information stream.
         /// </summary>
-        Warning,
+        Warning = 4,
 
         /// <summary>
         /// Verbose information stream.
         /// </summary>
-        Verbose,
+        Verbose = 8,
 
         /// <summary>
         /// Debug information stream.
         /// </summary>
-        Debug,
+        Debug = 16,
 
         /// <summary>
         /// Information information stream.
         /// </summary>
-        Information,
+        Information = 32,
 
         /// <summary>
         /// All streams.
         /// </summary>
-        All,
+        All = Output | Error | Warning | Verbose | Debug | Information,
 
         /// <summary>
         /// Redirect to nothing.
         /// </summary>
-        Null
+        Null = 0
     }
 
     /// <summary>

@@ -243,7 +243,7 @@ internal static string VtSubstring(this string str, int startOffset, int length,
             }
             else
             {
-                int capacity = length + prependStr?.Length ?? 0 + appendStr?.Length ?? 0;
+                int capacity = length + (prependStr?.Length ?? 0) + (appendStr?.Length ?? 0);
                 return new StringBuilder(prependStr, capacity)
                     .Append(str, startOffset, length)
                     .Append(appendStr)