diff --git a/generation/WinSDK/emitter.settings.rsp b/generation/WinSDK/emitter.settings.rsp
index 1eb89c68..586942da 100644
--- a/generation/WinSDK/emitter.settings.rsp
+++ b/generation/WinSDK/emitter.settings.rsp
@@ -704,6 +704,9 @@ ICreateWithTransactionEx::CreateInstance::pObject=[ComOutPtr]
 IClassFactory2::CreateInstanceLic::ppvObj=[ComOutPtr]
 DxcCreateInstance::ppv=[ComOutPtr]
 DxcCreateInstance2::ppv=[ComOutPtr]
+IDxcContainerReflection::GetPartReflection::ppvObject=[ComOutPtr]
+IDxcUtils::CreateReflection::ppvReflection=[ComOutPtr]
+IDxcUtils::GetDxilContainerPart::ppPartData=[NativeArrayInfo(CountFieldName = "pPartSizeInBytes")]
 IWbemServices::CreateInstanceEnum::ppEnum=[ComOutPtr]
 StiCreateInstanceW::ppSti=[ComOutPtr]
 IMFImageSharingEngineClassFactory::CreateInstanceFromUDN::ppEngine=[ComOutPtr]
diff --git a/generation/WinSDK/enums.json b/generation/WinSDK/enums.json
index a3bea3aa..279cbe0f 100644
--- a/generation/WinSDK/enums.json
+++ b/generation/WinSDK/enums.json
@@ -28759,20 +28759,6 @@
       "filter": "DXC_CP_",
       "header": "dxcapi.h"
     },
-    "members": [
-      {
-        "name": "DXC_CP_ACP",
-        "value": "0"
-      },
-      {
-        "name": "DXC_CP_UTF16",
-        "value": "1200"
-      },
-      {
-        "name": "DXC_CP_UTF8",
-        "value": "65001"
-      }
-    ],
     "uses": [
       {
         "interface": "IDxcBlobEncoding",
@@ -28818,6 +28804,132 @@
         "interface": "IDxcUtils",
         "method": "LoadFile",
         "parameter": "pCodePage"
+      },
+      {
+        "struct": "DxcBuffer",
+        "field": "Encoding"
+      }
+    ]
+  },
+  {
+    "name": "DxcValidatorFlags",
+    "flags": true,
+    "autoPopulate": {
+      "filter": "DxcValidatorFlags_",
+      "header": "dxcapi.h"
+    },
+    "uses": [
+      {
+        "interface": "IDxcValidator",
+        "method": "Validate",
+        "parameter": "Flags"
+      },
+      {
+        "interface": "IDxcValidator2",
+        "method": "ValidateWithDebug",
+        "parameter": "Flags"
+      }
+    ]
+  },
+  {
+    "name": "DxcVersionInfoFlags",
+    "flags": true,
+    "autoPopulate": {
+      "filter": "DxcVersionInfoFlags_",
+      "header": "dxcapi.h"
+    },
+    "uses": [
+      {
+        "interface": "IDxcVersionInfo",
+        "method": "GetFlags",
+        "parameter": "pFlags"
+      }
+    ]
+  },
+  {
+    "name": "DXC_HASHFLAG",
+    "flags": true,
+    "autoPopulate": {
+      "filter": "DXC_HASHFLAG_",
+      "header": "dxcapi.h"
+    },
+    "uses": [
+      {
+        "struct": "DxcShaderHash",
+        "field": "Flags"
+      }
+    ]
+  },
+  {
+    "name": "DXC_PART",
+    "flags": false,
+    "members": [
+        {
+          "name": "DXC_PART_PDB",
+          "value": "('I' | ('L' << 8) | ('D' << 16) | ('B' << 24))"
+        },
+        {
+          "name": "DXC_PART_PDB_NAME",
+          "value": "('I' | ('L' << 8) | ('D' << 16) | ('N' << 24))"
+        },
+        {
+          "name": "DXC_PART_PRIVATE_DATA",
+          "value": "('P' | ('R' << 8) | ('I' << 16) | ('V' << 24))"
+        },
+        {
+          "name": "DXC_PART_ROOT_SIGNATURE",
+          "value": "('R' | ('T' << 8) | ('S' << 16) | ('0' << 24))"
+        },
+        {
+          "name": "DXC_PART_DXIL",
+          "value": "('D' | ('X' << 8) | ('I' << 16) | ('L' << 24))"
+        },
+        {
+          "name": "DXC_PART_REFLECTION_DATA",
+          "value": "('S' | ('T' << 8) | ('A' << 16) | ('T' << 24))"
+        },
+        {
+          "name": "DXC_PART_SHADER_HASH",
+          "value": "('H' | ('A' << 8) | ('S' << 16) | ('H' << 24))"
+        },
+        {
+          "name": "DXC_PART_INPUT_SIGNATURE",
+          "value": "('I' | ('S' << 8) | ('G' << 16) | ('1' << 24))"
+        },
+        {
+          "name": "DXC_PART_OUTPUT_SIGNATURE",
+          "value": "('O' | ('S' << 8) | ('G' << 16) | ('1' << 24))"
+        },
+        {
+          "name": "DXC_PART_PATCH_CONSTANT_SIGNATURE",
+          "value": "('P' | ('S' << 8) | ('G' << 16) | ('1' << 24))"
+        }
+    ],
+    "uses": [
+      {
+        "interface": "IDxcUtils",
+        "method": "GetDxilContainerPart",
+        "parameter": "DxcPart"
+      },
+      {
+        "interface": "IDxcContainerBuilder",
+        "method": "AddPart",
+        "parameter": "fourCC"
+      },
+      {
+        "interface": "IDxcContainerBuilder",
+        "method": "RemovePart",
+        "parameter": "fourCC"
+      },
+      {
+        "interface": "IDxcContainerReflection",
+        "method": "GetPartKind",
+        "parameter": "pResult"
+      },
+      {
+        "interface": "IDxcContainerReflection",
+        "method": "FindFirstPartKind",
+        "parameter": "kind"
       }
     ]
   },
diff --git a/scripts/ChangesSinceLastRelease.txt b/scripts/ChangesSinceLastRelease.txt
index 11aa7c72..567a80c2 100644
--- a/scripts/ChangesSinceLastRelease.txt
+++ b/scripts/ChangesSinceLastRelease.txt
@@ -29,3 +29,28 @@ Windows.Win32.System.LibraryLoader.Apis.QueryOptionalDelayLoadedAPI added
 # Correct PMPRADMINCONNECTIONHANGUPNOTIFICATION3 parameter 4
 Windows.Win32.NetworkManagement.Rras.PMPRADMINCONNECTIONHANGUPNOTIFICATION3.Invoke : param3 : [In] => [In,Out]
 Windows.Win32.NetworkManagement.Rras.PMPRADMINCONNECTIONHANGUPNOTIFICATION3.Invoke : param3...RAS_CONNECTION_3 => RAS_CONNECTION_3*
+# DXC: Annotate new struct fields and enums
+Windows.Win32.Graphics.Direct3D.Dxc.Apis.DXC_HASHFLAG_INCLUDES_SOURCE removed
+Windows.Win32.Graphics.Direct3D.Dxc.DXC_HASHFLAG added
+Windows.Win32.Graphics.Direct3D.Dxc.DXC_HASHFLAG.DXC_HASHFLAG_INCLUDES_SOURCE added
+Windows.Win32.Graphics.Direct3D.Dxc.DXC_PART added
+Windows.Win32.Graphics.Direct3D.Dxc.DXC_PART.DXC_PART_DXIL added
+Windows.Win32.Graphics.Direct3D.Dxc.DXC_PART.DXC_PART_INPUT_SIGNATURE added
+Windows.Win32.Graphics.Direct3D.Dxc.DXC_PART.DXC_PART_OUTPUT_SIGNATURE added
+Windows.Win32.Graphics.Direct3D.Dxc.DXC_PART.DXC_PART_PATCH_CONSTANT_SIGNATURE added
+Windows.Win32.Graphics.Direct3D.Dxc.DXC_PART.DXC_PART_PDB added
+Windows.Win32.Graphics.Direct3D.Dxc.DXC_PART.DXC_PART_PDB_NAME added
+Windows.Win32.Graphics.Direct3D.Dxc.DXC_PART.DXC_PART_PRIVATE_DATA added
+Windows.Win32.Graphics.Direct3D.Dxc.DXC_PART.DXC_PART_REFLECTION_DATA added
+Windows.Win32.Graphics.Direct3D.Dxc.DXC_PART.DXC_PART_ROOT_SIGNATURE added
+Windows.Win32.Graphics.Direct3D.Dxc.DXC_PART.DXC_PART_SHADER_HASH added
+Windows.Win32.Graphics.Direct3D.Dxc.DxcBuffer.Encoding...System.UInt32 => Windows.Win32.Graphics.Direct3D.Dxc.DXC_CP
+Windows.Win32.Graphics.Direct3D.Dxc.DxcShaderHash.Flags...System.UInt32 => Windows.Win32.Graphics.Direct3D.Dxc.DXC_HASHFLAG
+Windows.Win32.Graphics.Direct3D.Dxc.IDxcContainerBuilder.AddPart : fourCC...UInt32 => DXC_PART
+Windows.Win32.Graphics.Direct3D.Dxc.IDxcContainerBuilder.RemovePart : fourCC...UInt32 => DXC_PART
+Windows.Win32.Graphics.Direct3D.Dxc.IDxcContainerReflection.FindFirstPartKind : kind...UInt32 => DXC_PART
+Windows.Win32.Graphics.Direct3D.Dxc.IDxcContainerReflection.GetPartKind : pResult...UInt32* => DXC_PART*
+Windows.Win32.Graphics.Direct3D.Dxc.IDxcContainerReflection.GetPartReflection : ppvObject : [In,Out] => [ComOutPtr,Out]
+Windows.Win32.Graphics.Direct3D.Dxc.IDxcUtils.CreateReflection : ppvReflection : [In,Out] => [ComOutPtr,Out]
+Windows.Win32.Graphics.Direct3D.Dxc.IDxcUtils.GetDxilContainerPart : DxcPart...UInt32 => DXC_PART
+Windows.Win32.Graphics.Direct3D.Dxc.IDxcUtils.GetDxilContainerPart : ppPartData : [Out] => [NativeArrayInfo(CountFieldName=pPartSizeInBytes),Out]