diff --git a/3rdparty/ocornut-imgui/imgui.cpp b/3rdparty/ocornut-imgui/imgui.cpp
index 30eccabb2..c92979a78 100644
--- a/3rdparty/ocornut-imgui/imgui.cpp
+++ b/3rdparty/ocornut-imgui/imgui.cpp
@@ -1,4 +1,4 @@
-// dear imgui, v1.53 WIP
+// dear imgui, v1.53
 // (main code and documentation)
 
 // Call and read ImGui::ShowDemoWindow() in imgui_demo.cpp for demo code.
@@ -2382,9 +2382,10 @@ void ImGui::NewFrame()
         IM_ASSERT(g.MovingWindow->MoveId == g.MovingWindowMoveId);
         if (g.IO.MouseDown[0])
         {
-            g.MovingWindow->RootWindow->PosFloat += g.IO.MouseDelta;
-            if (g.IO.MouseDelta.x != 0.0f || g.IO.MouseDelta.y != 0.0f)
+            ImVec2 pos = g.IO.MousePos - g.ActiveIdClickOffset;
+            if (g.MovingWindow->RootWindow->PosFloat.x != pos.x || g.MovingWindow->RootWindow->PosFloat.y != pos.y)
                 MarkIniSettingsDirty(g.MovingWindow->RootWindow);
+            g.MovingWindow->RootWindow->PosFloat = pos;
             FocusWindow(g.MovingWindow);
         }
         else
@@ -2933,6 +2934,7 @@ void ImGui::EndFrame()
                         g.MovingWindow = g.HoveredWindow;
                         g.MovingWindowMoveId = g.MovingWindow->MoveId;
                         SetActiveID(g.MovingWindowMoveId, g.HoveredRootWindow);
+                        g.ActiveIdClickOffset = g.IO.MousePos - g.MovingWindow->RootWindow->Pos;
                     }
                 }
                 else if (g.NavWindow != NULL && GetFrontMostModalRootWindow() == NULL)
diff --git a/3rdparty/ocornut-imgui/imgui.h b/3rdparty/ocornut-imgui/imgui.h
index 6fdf4ab8b..d73d84356 100644
--- a/3rdparty/ocornut-imgui/imgui.h
+++ b/3rdparty/ocornut-imgui/imgui.h
@@ -1,4 +1,4 @@
-// dear imgui, v1.53 WIP
+// dear imgui, v1.53
 // (headers)
 
 // See imgui.cpp file for documentation.
@@ -16,7 +16,7 @@
 #include <stddef.h>         // ptrdiff_t, NULL
 #include <string.h>         // memset, memmove, memcpy, strlen, strchr, strcpy, strcmp
 
-#define IMGUI_VERSION       "1.53 WIP"
+#define IMGUI_VERSION       "1.53"
 
 // Define attributes of all API symbols declarations, e.g. for DLL under Windows.
 #ifndef IMGUI_API
@@ -300,6 +300,7 @@ namespace ImGui
 
     // Widgets: Combo Box
     // The new BeginCombo()/EndCombo() api allows you to manage your contents and selection state however you want it. 
+    // The old Combo() api are helpers over BeginCombo()/EndCombo() which are kept available for convenience purpose.
     IMGUI_API bool          BeginCombo(const char* label, const char* preview_value, ImGuiComboFlags flags = 0);
     IMGUI_API void          EndCombo();
     IMGUI_API bool          Combo(const char* label, int* current_item, const char* const items[], int items_count, int popup_max_height_in_items = -1);
diff --git a/3rdparty/ocornut-imgui/imgui_demo.cpp b/3rdparty/ocornut-imgui/imgui_demo.cpp
index 7a6a0fa21..a5864fefb 100644
--- a/3rdparty/ocornut-imgui/imgui_demo.cpp
+++ b/3rdparty/ocornut-imgui/imgui_demo.cpp
@@ -1,4 +1,4 @@
-// dear imgui, v1.53 WIP
+// dear imgui, v1.53
 // (demo code)
 
 // Message to the person tempted to delete this file when integrating ImGui into their code base:
@@ -322,12 +322,28 @@ void ImGui::ShowDemoWindow(bool* p_open)
 
             ImGui::LabelText("label", "Value");
 
-            static int item = 1;
-            ImGui::Combo("combo", &item, "aaaa\0bbbb\0cccc\0dddd\0eeee\0\0");   // Combo using values packed in a single constant string (for really quick combo)
+            {
+                // Simplified one-liner Combo() API, using values packed in a single constant string
+                static int current_item_1 = 1;
+                ImGui::Combo("combo", &current_item_1, "aaaa\0bbbb\0cccc\0dddd\0eeee\0\0");
+                //ImGui::Combo("combo w/ array of char*", &current_item_2_idx, items, IM_ARRAYSIZE(items));   // Combo using proper array. You can also pass a callback to retrieve array value, no need to create/copy an array just for that.
 
-            const char* items[] = { "AAAA", "BBBB", "CCCC", "DDDD", "EEEE", "FFFF", "GGGG", "HHHH", "IIII", "JJJJ", "KKKK", "LLLLLLL", "MMMM", "OOOOOOO", "PPPP", "QQQQQQQQQQ", "RRR", "SSSS" };
-            static int item2 = -1;
-            ImGui::Combo("combo scroll", &item2, items, IM_ARRAYSIZE(items));   // Combo using proper array. You can also pass a callback to retrieve array value, no need to create/copy an array just for that.
+                // General BeginCombo() API, you have full control over your selection data and display type
+                const char* items[] = { "AAAA", "BBBB", "CCCC", "DDDD", "EEEE", "FFFF", "GGGG", "HHHH", "IIII", "JJJJ", "KKKK", "LLLLLLL", "MMMM", "OOOOOOO", "PPPP", "QQQQQQQQQQ", "RRR", "SSSS" };
+                static const char* current_item_2 = NULL;
+                if (ImGui::BeginCombo("combo 2", current_item_2)) // The second parameter is the label previewed before opening the combo.
+                {
+                    for (int n = 0; n < IM_ARRAYSIZE(items); n++)
+                    {
+                        bool is_selected = (current_item_2 == items[n]); // You can store your selection however you want, outside or inside your objects
+                        if (ImGui::Selectable(items[n], is_selected))
+                            current_item_2 = items[n];
+                        if (is_selected)
+                            ImGui::SetItemDefaultFocus();   // Set the initial focus when opening the combo (scrolling + for keyboard navigation support in the upcoming navigation branch)
+                    }
+                    ImGui::EndCombo();
+                }
+            }
 
             {
                 static char str0[128] = "Hello, world!";
@@ -2600,12 +2616,13 @@ struct ExampleAppConsole
         ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2(4,1)); // Tighten spacing
         if (copy_to_clipboard)
             ImGui::LogToClipboard();
+        ImVec4 col_default_text = ImGui::GetStyleColorVec4(ImGuiCol_Text);
         for (int i = 0; i < Items.Size; i++)
         {
             const char* item = Items[i];
             if (!filter.PassFilter(item))
                 continue;
-            ImVec4 col = ImVec4(1.0f,1.0f,1.0f,1.0f); // A better implementation may store a type per-item. For the sample let's just parse the text.
+            ImVec4 col = col_default_text;
             if (strstr(item, "[error]")) col = ImColor(1.0f,0.4f,0.4f,1.0f);
             else if (strncmp(item, "# ", 2) == 0) col = ImColor(1.0f,0.78f,0.58f,1.0f);
             ImGui::PushStyleColor(ImGuiCol_Text, col);
diff --git a/3rdparty/ocornut-imgui/imgui_draw.cpp b/3rdparty/ocornut-imgui/imgui_draw.cpp
index aca1b9db9..2198da5e5 100644
--- a/3rdparty/ocornut-imgui/imgui_draw.cpp
+++ b/3rdparty/ocornut-imgui/imgui_draw.cpp
@@ -1,4 +1,4 @@
-// dear imgui, v1.53 WIP
+// dear imgui, v1.53
 // (drawing and font code)
 
 // Contains implementation for
diff --git a/3rdparty/ocornut-imgui/imgui_internal.h b/3rdparty/ocornut-imgui/imgui_internal.h
index e161a6f14..804353902 100644
--- a/3rdparty/ocornut-imgui/imgui_internal.h
+++ b/3rdparty/ocornut-imgui/imgui_internal.h
@@ -1,4 +1,4 @@
-// dear imgui, v1.53 WIP
+// dear imgui, v1.53
 // (internals)
 
 // You may use this file to debug, understand or extend ImGui features but we don't provide any guarantee of forward compatibility!