diff --git a/imgui.cpp b/imgui.cpp
index 2191a4d5..dd808196 100644
--- a/imgui.cpp
+++ b/imgui.cpp
@@ -1,4 +1,4 @@
-// dear imgui, v1.65
+// dear imgui, v1.66 WIP
 // (main code and documentation)
 
 // Call and read ImGui::ShowDemoWindow() in imgui_demo.cpp for demo code.
diff --git a/imgui.h b/imgui.h
index 7815de39..cdb2b3be 100644
--- a/imgui.h
+++ b/imgui.h
@@ -1,4 +1,4 @@
-// dear imgui, v1.65
+// dear imgui, v1.66 WIP
 // (headers)
 
 // See imgui.cpp file for documentation.
@@ -23,8 +23,8 @@
 
 // Version
 // (Integer encoded as XYYZZ for use in #if preprocessor conditionals. Work in progress versions typically starts at XYY00 then bounced up to XYY01 when release tagging happens)
-#define IMGUI_VERSION               "1.65"
-#define IMGUI_VERSION_NUM           16501
+#define IMGUI_VERSION               "1.66 WIP"
+#define IMGUI_VERSION_NUM           16600
 #define IMGUI_CHECKVERSION()        ImGui::DebugCheckVersionAndDataLayout(IMGUI_VERSION, sizeof(ImGuiIO), sizeof(ImGuiStyle), sizeof(ImVec2), sizeof(ImVec4), sizeof(ImDrawVert))
 #define IMGUI_HAS_VIEWPORT          1 // Viewport WIP branch
 #define IMGUI_HAS_DOCK              1 // Docking WIP branch
@@ -216,7 +216,6 @@ namespace ImGui
     IMGUI_API bool          IsWindowCollapsed();
     IMGUI_API bool          IsWindowFocused(ImGuiFocusedFlags flags=0); // is current window focused? or its root/child, depending on flags. see flags for options.
     IMGUI_API bool          IsWindowHovered(ImGuiHoveredFlags flags=0); // is current window hovered (and typically: not blocked by a popup/modal)? see flags for options. NB: If you are trying to check whether your mouse should be dispatched to imgui or to your app, you should use the 'io.WantCaptureMouse' boolean for that! Please read the FAQ!
-    IMGUI_API bool          IsWindowDocked();
     IMGUI_API ImDrawList*   GetWindowDrawList();                        // get draw list associated to the current window, to append your own drawing primitives
     IMGUI_API float         GetWindowDpiScale();                        // get DPI scale currently associated to the current window's viewport.
     IMGUI_API ImGuiViewport*GetWindowViewport();                        // get viewport currently associated to the current window.
@@ -239,7 +238,6 @@ namespace ImGui
     IMGUI_API void          SetNextWindowFocus();                                                       // set next window to be focused / front-most. call before Begin()
     IMGUI_API void          SetNextWindowBgAlpha(float alpha);                                          // set next window background color alpha. helper to easily modify ImGuiCol_WindowBg/ChildBg/PopupBg.
     IMGUI_API void          SetNextWindowViewport(ImGuiID viewport_id);                                 // set next window viewport
-    IMGUI_API void          SetNextWindowDock(ImGuiID dock_id, ImGuiCond cond = 0);                     // set next window dock id (FIXME-DOCK)
     IMGUI_API void          SetWindowPos(const ImVec2& pos, ImGuiCond cond = 0);                        // (not recommended) set current window position - call within Begin()/End(). prefer using SetNextWindowPos(), as this may incur tearing and side-effects.
     IMGUI_API void          SetWindowSize(const ImVec2& size, ImGuiCond cond = 0);                      // (not recommended) set current window size - call within Begin()/End(). set to ImVec2(0,0) to force an auto-fit. prefer using SetNextWindowSize(), as this may incur tearing and minor side-effects.
     IMGUI_API void          SetWindowCollapsed(bool collapsed, ImGuiCond cond = 0);                     // (not recommended) set current window collapsed state. prefer using SetNextWindowCollapsed().
@@ -521,7 +519,9 @@ namespace ImGui
     // [BETA API] Enable with io.ConfigFlags |= ImGuiConfigFlags_DockingEnable.
     // Note: you DO NOT need to call DockSpace() to use most Docking facilities! You can hold SHIFT anywhere while moving windows. Use DockSpace() if you need to create an explicit docking space _within_ an existing window. See Docking demo for details)
     IMGUI_API void          DockSpace(ImGuiID id, const ImVec2& size = ImVec2(0, 0), ImGuiDockSpaceFlags flags = 0, ImGuiID user_type_filter = 0);
+    IMGUI_API void          SetNextWindowDock(ImGuiID dock_id, ImGuiCond cond = 0);             // set next window dock id (FIXME-DOCK)
     IMGUI_API void          SetNextWindowUserType(ImGuiID user_type);                           // FIXME-DOCK: set next window user type (docking filters by same user_type)
+    IMGUI_API bool          IsWindowDocked();                                                   // is current window docked into another window? 
 
     // Logging/Capture: all text output from interface is captured to tty/file/clipboard. By default, tree nodes are automatically opened during logging.
     IMGUI_API void          LogToTTY(int max_depth = -1);                                       // start logging to tty
diff --git a/imgui_demo.cpp b/imgui_demo.cpp
index 514e5875..d49bf797 100644
--- a/imgui_demo.cpp
+++ b/imgui_demo.cpp
@@ -1,4 +1,4 @@
-// dear imgui, v1.65
+// dear imgui, v1.66 WIP
 // (demo code)
 
 // Message to the person tempted to delete this file when integrating ImGui into their code base:
diff --git a/imgui_draw.cpp b/imgui_draw.cpp
index d6a6e434..89da302a 100644
--- a/imgui_draw.cpp
+++ b/imgui_draw.cpp
@@ -1,4 +1,4 @@
-// dear imgui, v1.65
+// dear imgui, v1.66 WIP
 // (drawing and font code)
 
 /*
diff --git a/imgui_internal.h b/imgui_internal.h
index daf2097e..79cea7b9 100644
--- a/imgui_internal.h
+++ b/imgui_internal.h
@@ -1,4 +1,4 @@
-// dear imgui, v1.65
+// dear imgui, v1.66 WIP
 // (internal structures/api)
 
 // You may use this file to debug, understand or extend ImGui features but we don't provide any guarantee of forward compatibility!