diff --git a/generation/WinSDK/enums.json b/generation/WinSDK/enums.json
index f322051b..a3bea3aa 100644
--- a/generation/WinSDK/enums.json
+++ b/generation/WinSDK/enums.json
@@ -37352,6 +37352,24 @@
       "header": "powrprof.h;winnt.h"
     },
     "uses": []
+  },
+  {
+    "name": "DISPLAY_DEVICE_STATE_FLAGS",
+    "flags": true,
+    "autoPopulate": {
+      "filter": "DISPLAY_DEVICE_",
+      "header": "wingdi.h"
+    },
+    "uses": [
+      {
+        "struct": "DISPLAY_DEVICEA",
+        "field": "StateFlags"
+      },
+      {
+        "struct": "DISPLAY_DEVICEW",
+        "field": "StateFlags"
+      }
+    ]
   }
 ]
 }
diff --git a/scripts/ChangesSinceLastRelease.txt b/scripts/ChangesSinceLastRelease.txt
index c5b9c8e6..52120a0d 100644
--- a/scripts/ChangesSinceLastRelease.txt
+++ b/scripts/ChangesSinceLastRelease.txt
@@ -15,3 +15,37 @@ Windows.Win32.Security.Cryptography.CERT_CHAIN_POLICY_FLAGS.CERT_CHAIN_POLICY_IG
 Windows.Win32.Security.Cryptography.CERT_CHAIN_POLICY_FLAGS.MICROSOFT_ROOT_CERT_CHAIN_POLICY_CHECK_APPLICATION_ROOT_FLAG added
 Windows.Win32.Security.Cryptography.CERT_CHAIN_POLICY_FLAGS.MICROSOFT_ROOT_CERT_CHAIN_POLICY_DISABLE_FLIGHT_ROOT_FLAG added
 Windows.Win32.Security.Cryptography.CERT_CHAIN_POLICY_FLAGS.MICROSOFT_ROOT_CERT_CHAIN_POLICY_ENABLE_TEST_ROOT_FLAG added
+# Fixed #1939.
+Windows.Win32.Graphics.Gdi.Apis.DISPLAY_DEVICE_ACC_DRIVER removed
+Windows.Win32.Graphics.Gdi.Apis.DISPLAY_DEVICE_ACTIVE removed
+Windows.Win32.Graphics.Gdi.Apis.DISPLAY_DEVICE_ATTACHED removed
+Windows.Win32.Graphics.Gdi.Apis.DISPLAY_DEVICE_ATTACHED_TO_DESKTOP removed
+Windows.Win32.Graphics.Gdi.Apis.DISPLAY_DEVICE_DISCONNECT removed
+Windows.Win32.Graphics.Gdi.Apis.DISPLAY_DEVICE_MIRRORING_DRIVER removed
+Windows.Win32.Graphics.Gdi.Apis.DISPLAY_DEVICE_MODESPRUNED removed
+Windows.Win32.Graphics.Gdi.Apis.DISPLAY_DEVICE_MULTI_DRIVER removed
+Windows.Win32.Graphics.Gdi.Apis.DISPLAY_DEVICE_PRIMARY_DEVICE removed
+Windows.Win32.Graphics.Gdi.Apis.DISPLAY_DEVICE_RDPUDD removed
+Windows.Win32.Graphics.Gdi.Apis.DISPLAY_DEVICE_REMOTE removed
+Windows.Win32.Graphics.Gdi.Apis.DISPLAY_DEVICE_REMOVABLE removed
+Windows.Win32.Graphics.Gdi.Apis.DISPLAY_DEVICE_TS_COMPATIBLE removed
+Windows.Win32.Graphics.Gdi.Apis.DISPLAY_DEVICE_UNSAFE_MODES_ON removed
+Windows.Win32.Graphics.Gdi.Apis.DISPLAY_DEVICE_VGA_COMPATIBLE removed
+Windows.Win32.Graphics.Gdi.DISPLAY_DEVICE_STATE_FLAGS added
+Windows.Win32.Graphics.Gdi.DISPLAY_DEVICE_STATE_FLAGS.DISPLAY_DEVICE_ACC_DRIVER added
+Windows.Win32.Graphics.Gdi.DISPLAY_DEVICE_STATE_FLAGS.DISPLAY_DEVICE_ACTIVE added
+Windows.Win32.Graphics.Gdi.DISPLAY_DEVICE_STATE_FLAGS.DISPLAY_DEVICE_ATTACHED added
+Windows.Win32.Graphics.Gdi.DISPLAY_DEVICE_STATE_FLAGS.DISPLAY_DEVICE_ATTACHED_TO_DESKTOP added
+Windows.Win32.Graphics.Gdi.DISPLAY_DEVICE_STATE_FLAGS.DISPLAY_DEVICE_DISCONNECT added
+Windows.Win32.Graphics.Gdi.DISPLAY_DEVICE_STATE_FLAGS.DISPLAY_DEVICE_MIRRORING_DRIVER added
+Windows.Win32.Graphics.Gdi.DISPLAY_DEVICE_STATE_FLAGS.DISPLAY_DEVICE_MODESPRUNED added
+Windows.Win32.Graphics.Gdi.DISPLAY_DEVICE_STATE_FLAGS.DISPLAY_DEVICE_MULTI_DRIVER added
+Windows.Win32.Graphics.Gdi.DISPLAY_DEVICE_STATE_FLAGS.DISPLAY_DEVICE_PRIMARY_DEVICE added
+Windows.Win32.Graphics.Gdi.DISPLAY_DEVICE_STATE_FLAGS.DISPLAY_DEVICE_RDPUDD added
+Windows.Win32.Graphics.Gdi.DISPLAY_DEVICE_STATE_FLAGS.DISPLAY_DEVICE_REMOTE added
+Windows.Win32.Graphics.Gdi.DISPLAY_DEVICE_STATE_FLAGS.DISPLAY_DEVICE_REMOVABLE added
+Windows.Win32.Graphics.Gdi.DISPLAY_DEVICE_STATE_FLAGS.DISPLAY_DEVICE_TS_COMPATIBLE added
+Windows.Win32.Graphics.Gdi.DISPLAY_DEVICE_STATE_FLAGS.DISPLAY_DEVICE_UNSAFE_MODES_ON added
+Windows.Win32.Graphics.Gdi.DISPLAY_DEVICE_STATE_FLAGS.DISPLAY_DEVICE_VGA_COMPATIBLE added
+Windows.Win32.Graphics.Gdi.DISPLAY_DEVICEA.StateFlags...System.UInt32 => Windows.Win32.Graphics.Gdi.DISPLAY_DEVICE_STATE_FLAGS
+Windows.Win32.Graphics.Gdi.DISPLAY_DEVICEW.StateFlags...System.UInt32 => Windows.Win32.Graphics.Gdi.DISPLAY_DEVICE_STATE_FLAGS