diff --git a/configure b/configure
index 67adaf73d6e..fda6fc7d1d7 100755
--- a/configure
+++ b/configure
@@ -1166,6 +1166,7 @@ enable_ext_ms_win_gdi_dc_create_l1_1_1
 enable_ext_ms_win_gdi_devcaps_l1_1_0
 enable_ext_ms_win_kernel32_package_current_l1_1_0
 enable_ext_ms_win_ntuser_message_l1_1_1
+enable_ext_ms_win_ntuser_uicontext_ext_l1_1_0
 enable_ext_ms_win_rtcore_ntuser_dpi_l1_1_0
 enable_faultrep
 enable_fltlib
@@ -17925,6 +17926,7 @@ wine_fn_config_dll ext-ms-win-gdi-dc-create-l1-1-1 enable_ext_ms_win_gdi_dc_crea
 wine_fn_config_dll ext-ms-win-gdi-devcaps-l1-1-0 enable_ext_ms_win_gdi_devcaps_l1_1_0
 wine_fn_config_dll ext-ms-win-kernel32-package-current-l1-1-0 enable_ext_ms_win_kernel32_package_current_l1_1_0
 wine_fn_config_dll ext-ms-win-ntuser-message-l1-1-1 enable_ext_ms_win_ntuser_message_l1_1_1
+wine_fn_config_dll ext-ms-win-ntuser-uicontext-ext-l1-1-0 enable_ext_ms_win_ntuser_uicontext_ext_l1_1_0
 wine_fn_config_dll ext-ms-win-rtcore-ntuser-dpi-l1-1-0 enable_ext_ms_win_rtcore_ntuser_dpi_l1_1_0
 wine_fn_config_dll faultrep enable_faultrep implib
 wine_fn_config_test dlls/faultrep/tests faultrep_test
diff --git a/configure.ac b/configure.ac
index 413bd46b932..84316f99a2b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3008,6 +3008,7 @@ WINE_CONFIG_DLL(ext-ms-win-gdi-dc-create-l1-1-1)
 WINE_CONFIG_DLL(ext-ms-win-gdi-devcaps-l1-1-0)
 WINE_CONFIG_DLL(ext-ms-win-kernel32-package-current-l1-1-0)
 WINE_CONFIG_DLL(ext-ms-win-ntuser-message-l1-1-1)
+WINE_CONFIG_DLL(ext-ms-win-ntuser-uicontext-ext-l1-1-0)
 WINE_CONFIG_DLL(ext-ms-win-rtcore-ntuser-dpi-l1-1-0)
 WINE_CONFIG_DLL(faultrep,,[implib])
 WINE_CONFIG_TEST(dlls/faultrep/tests)
diff --git a/dlls/ext-ms-win-ntuser-uicontext-ext-l1-1-0/Makefile.in b/dlls/ext-ms-win-ntuser-uicontext-ext-l1-1-0/Makefile.in
new file mode 100644
index 00000000000..4c50271801f
--- /dev/null
+++ b/dlls/ext-ms-win-ntuser-uicontext-ext-l1-1-0/Makefile.in
@@ -0,0 +1 @@
+MODULE    = ext-ms-win-ntuser-uicontext-ext-l1-1-0.dll
diff --git a/dlls/ext-ms-win-ntuser-uicontext-ext-l1-1-0/ext-ms-win-ntuser-uicontext-ext-l1-1-0.spec b/dlls/ext-ms-win-ntuser-uicontext-ext-l1-1-0/ext-ms-win-ntuser-uicontext-ext-l1-1-0.spec
new file mode 100644
index 00000000000..69488d17e08
--- /dev/null
+++ b/dlls/ext-ms-win-ntuser-uicontext-ext-l1-1-0/ext-ms-win-ntuser-uicontext-ext-l1-1-0.spec
@@ -0,0 +1,55 @@
+@ stdcall AdjustWindowRectEx(ptr long long long) user32.AdjustWindowRectEx
+@ stdcall AllowSetForegroundWindow(long) user32.AllowSetForegroundWindow
+@ stdcall AnimateWindow(long long long) user32.AnimateWindow
+@ stdcall BringWindowToTop(long) user32.BringWindowToTop
+@ stdcall CallNextHookEx(long long long long) user32.CallNextHookEx
+@ stdcall CreateWindowExA(long str str long long long long long long long long ptr) user32.CreateWindowExA
+@ stdcall CreateWindowExW(long wstr wstr long long long long long long long long ptr) user32.CreateWindowExW
+@ stdcall DefWindowProcA(long long long long) user32.DefWindowProcA
+@ stdcall DefWindowProcW(long long long long) user32.DefWindowProcW
+@ stdcall DestroyWindow(long) user32.DestroyWindow
+@ stdcall EnumChildWindows(long ptr long) user32.EnumChildWindows
+@ stdcall EnumThreadWindows(long ptr long) user32.EnumThreadWindows
+@ stdcall EnumWindows(ptr long) user32.EnumWindows
+@ stdcall FindWindowA(str str) user32.FindWindowA
+@ stdcall FindWindowExW(long long wstr wstr) user32.FindWindowExW
+@ stdcall FindWindowW(wstr wstr) user32.FindWindowW
+@ stdcall GetAncestor(long long) user32.GetAncestor
+@ stdcall GetClientRect(long long) user32.GetClientRect
+@ stdcall GetDesktopWindow() user32.GetDesktopWindow
+@ stdcall GetForegroundWindow() user32.GetForegroundWindow
+@ stdcall GetGUIThreadInfo(long ptr) user32.GetGUIThreadInfo
+@ stdcall GetLayeredWindowAttributes(long ptr ptr ptr) user32.GetLayeredWindowAttributes
+@ stdcall GetParent(long) user32.GetParent
+@ stdcall GetPropW(long wstr) user32.GetPropW
+@ stdcall GetShellWindow() user32.GetShellWindow
+@ stdcall GetWindow(long long) user32.GetWindow
+@ stub GetWindowDisplayAffinity
+@ stdcall GetWindowInfo(long ptr) user32.GetWindowInfo
+@ stdcall GetWindowPlacement(long ptr) user32.GetWindowPlacement
+@ stdcall GetWindowRect(long ptr) user32.GetWindowRect
+@ stdcall GetWindowTextLengthW(long) user32.GetWindowTextLengthW
+@ stdcall GetWindowTextW(long ptr long) user32.GetWindowTextW
+@ stdcall GetWindowThreadProcessId(long ptr) user32.GetWindowThreadProcessId
+@ stdcall IsChild(long long) user32.IsChild
+@ stdcall IsIconic(long) user32.IsIconic
+@ stdcall IsWindow(long) user32.IsWindow
+@ stdcall IsWindowUnicode(long) user32.IsWindowUnicode
+@ stdcall IsWindowVisible(long) user32.IsWindowVisible
+@ stub LogicalToPhysicalPoint
+@ stdcall MoveWindow(long long long long long long) user32.MoveWindow
+@ stdcall RemovePropW(long wstr) user32.RemovePropW
+@ stdcall SetForegroundWindow(long) user32.SetForegroundWindow
+@ stdcall SetLayeredWindowAttributes(ptr long long long) user32.SetLayeredWindowAttributes
+@ stdcall SetParent(long long) user32.SetParent
+@ stdcall SetPropW(long wstr long) user32.SetPropW
+@ stub SetWindowDisplayAffinity
+@ stdcall SetWindowPos(long long long long long long long) user32.SetWindowPos
+@ stdcall SetWindowTextW(long wstr) user32.SetWindowTextW
+@ stdcall SetWindowsHookExW(long long long long) user32.SetWindowsHookExW
+@ stdcall ShowWindow(long long) user32.ShowWindow
+@ stub SoundSentry
+@ stdcall UnhookWindowsHookEx(long) user32.UnhookWindowsHookEx
+@ stdcall UpdateLayeredWindow(long long ptr ptr long ptr long ptr long) user32.UpdateLayeredWindow
+@ stub WindowFromPhysicalPoint
+@ stdcall WindowFromPoint(int64) user32.WindowFromPoint
diff --git a/tools/make_specfiles b/tools/make_specfiles
index 649dec6160a..8e115296312 100755
--- a/tools/make_specfiles
+++ b/tools/make_specfiles
@@ -267,6 +267,7 @@ my @dll_groups =
   "api-ms-win-downlevel-user32-l1-1-0",
   "api-ms-win-ntuser-dc-access-l1-1-0",
   "ext-ms-win-ntuser-message-l1-1-1",
+  "ext-ms-win-ntuser-uicontext-ext-l1-1-0",
   "ext-ms-win-rtcore-ntuser-dpi-l1-1-0",
  ],
  [