Merge branch 'master' into docking

# Conflicts:
#	backends/imgui_impl_glfw.cpp
#	backends/imgui_impl_sdl2.cpp
#	backends/imgui_impl_sdl3.cpp
#	docs/CHANGELOG.txt
#	examples/example_glfw_metal/main.mm
#	examples/example_glfw_opengl2/main.cpp
#	examples/example_glfw_vulkan/main.cpp
#	examples/example_win32_opengl3/main.cpp
#	examples/example_win32_vulkan/main.cpp
#	imgui.h

.github/workflows/build.yml

@@ -558,7 +558,7 @@ jobs:
       run: xcodebuild -project examples/example_apple_opengl2/example_apple_opengl2.xcodeproj -target example_osx_opengl2
 
   iOS:
-    runs-on: macos-latest
+    runs-on: macos-14
     steps:
     - uses: actions/checkout@v4
 

backends/imgui_impl_glfw.cpp

@@ -32,6 +32,7 @@
 // CHANGELOG
 // (minor and older changes stripped away, please see git history for details)
 //  2025-XX-XX: Platform: Added support for multiple windows via the ImGuiPlatformIO interface.
+//  2025-09-15: Content Scales are always reported as 1.0 on Wayland. FramebufferScale are always reported as 1.0 on X11. (#8920, #8921)
 //  2025-09-10: [Docking] Improve multi-viewport behavior in tiling WMs on X11 via the ImGui_ImplGlfw_SetWindowFloating() function. Note: using GLFW backend on Linux/BSD etc. requires linking with -lX11. (#8884, #8474, #8289)
 //  2025-07-08: Made ImGui_ImplGlfw_GetContentScaleForWindow(), ImGui_ImplGlfw_GetContentScaleForMonitor() helpers return 1.0f on Emscripten and Android platforms, matching macOS logic. (#8742, #8733)
 //  2025-06-18: Added support for multiple Dear ImGui contexts. (#8676, #8239, #8069)
@@ -115,30 +116,29 @@
 
 // GLFW
 #include <GLFW/glfw3.h>
-
 #ifdef _WIN32
 #undef APIENTRY
-#ifndef GLFW_EXPOSE_NATIVE_WIN32
+#ifndef GLFW_EXPOSE_NATIVE_WIN32    // for glfwGetWin32Window()
 #define GLFW_EXPOSE_NATIVE_WIN32
 #endif
-#include <GLFW/glfw3native.h>   // for glfwGetWin32Window()
+#include <GLFW/glfw3native.h>
 #elif defined(__APPLE__)
-#ifndef GLFW_EXPOSE_NATIVE_COCOA
+#ifndef GLFW_EXPOSE_NATIVE_COCOA    // for glfwGetCocoaWindow()
 #define GLFW_EXPOSE_NATIVE_COCOA
 #endif
-#include <GLFW/glfw3native.h>   // for glfwGetCocoaWindow()
+#include <GLFW/glfw3native.h>
 #elif !defined(__EMSCRIPTEN__)
-// Freedesktop (Linux, BSD, etc)
-#ifndef GLFW_EXPOSE_NATIVE_X11
+#ifndef GLFW_EXPOSE_NATIVE_X11      // for glfwGetX11Window() on Freedesktop (Linux, BSD, etc.)
 #define GLFW_EXPOSE_NATIVE_X11
 #include <X11/Xatom.h>
 #endif
 #ifndef GLFW_EXPOSE_NATIVE_WAYLAND
 #define GLFW_EXPOSE_NATIVE_WAYLAND
 #endif
-#include <GLFW/glfw3native.h>   // for getting the X11/Wayland window
+#include <GLFW/glfw3native.h>
 #undef Status                   // X11 headers are leaking this.
 #endif
+
 #ifndef _WIN32
 #include <unistd.h>             // for usleep()
 #endif
@@ -183,6 +183,11 @@
 #define GLFW_HAS_GETKEYNAME             (GLFW_VERSION_COMBINED >= 3200) // 3.2+ glfwGetKeyName()
 #define GLFW_HAS_GETERROR               (GLFW_VERSION_COMBINED >= 3300) // 3.3+ glfwGetError()
 #define GLFW_HAS_GETPLATFORM            (GLFW_VERSION_COMBINED >= 3400) // 3.4+ glfwGetPlatform()
+#if defined(__linux__) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__DragonFly__)
+#define GLFW_HAS_X11_OR_WAYLAND          1
+#else
+#define GLFW_HAS_X11_OR_WAYLAND          0
+#endif
 
 // Map GLFWWindow* to ImGuiContext*.
 // - Would be simpler if we could use glfwSetWindowUserPointer()/glfwGetWindowUserPointer(), but this is a single and shared resource.
@@ -194,14 +199,14 @@ static void ImGui_ImplGlfw_ContextMap_Add(GLFWwindow* window, ImGuiContext* ctx)
 static void ImGui_ImplGlfw_ContextMap_Remove(GLFWwindow* window)                 { for (ImGui_ImplGlfw_WindowToContext& entry : g_ContextMap) if (entry.Window == window) { g_ContextMap.erase_unsorted(&entry); return; } }
 static ImGuiContext* ImGui_ImplGlfw_ContextMap_Get(GLFWwindow* window)           { for (ImGui_ImplGlfw_WindowToContext& entry : g_ContextMap) if (entry.Window == window) return entry.Context; return nullptr; }
 
-// GLFW data
 enum GlfwClientApi
 {
-    GlfwClientApi_Unknown,
     GlfwClientApi_OpenGL,
     GlfwClientApi_Vulkan,
+    GlfwClientApi_Unknown,  // Anything else fits here.
 };
 
+// GLFW data
 struct ImGui_ImplGlfw_Data
 {
     ImGuiContext*           Context;
@@ -214,6 +219,7 @@ struct ImGui_ImplGlfw_Data
     bool                    MouseIgnoreButtonUp;
     ImVec2                  LastValidMousePos;
     GLFWwindow*             KeyOwnerWindows[GLFW_KEY_LAST];
+    bool                    IsWayland;
     bool                    InstalledCallbacks;
     bool                    CallbacksChainForAllWindows;
     char                    BackendPlatformName[32];
@@ -263,6 +269,23 @@ static void ImGui_ImplGlfw_InitMultiViewportSupport();
 static void ImGui_ImplGlfw_ShutdownMultiViewportSupport();
 
 // Functions
+static bool ImGui_ImplGlfw_IsWayland()
+{
+#if !GLFW_HAS_X11_OR_WAYLAND
+    return false;
+#elif GLFW_HAS_GETPLATFORM
+    return glfwGetPlatform() == GLFW_PLATFORM_WAYLAND;
+#else
+    const char* version = glfwGetVersionString();
+    if (strstr(version, "Wayland") == NULL) // e.g. Ubuntu 22.04 ships with GLFW 3.3.6 compiled without Wayland
+        return false;
+#ifdef GLFW_EXPOSE_NATIVE_X11
+    if (glfwGetX11Display() != NULL)
+        return false;
+#endif
+    return true;
+#endif
+}
 
 // Not static to allow third-party code to use that if they want to (but undocumented)
 ImGuiKey ImGui_ImplGlfw_KeyToImGuiKey(int keycode, int scancode);
@@ -680,6 +703,7 @@ static bool ImGui_ImplGlfw_Init(GLFWwindow* window, bool install_callbacks, Glfw
     bd->Context = ImGui::GetCurrentContext();
     bd->Window = window;
     bd->Time = 0.0;
+    bd->IsWayland = ImGui_ImplGlfw_IsWayland();
     ImGui_ImplGlfw_ContextMap_Add(window, bd->Context);
 
     ImGuiPlatformIO& platform_io = ImGui::GetPlatformIO();
@@ -1015,6 +1039,11 @@ static void ImGui_ImplGlfw_UpdateMonitors()
 // - Some accessibility applications are declaring virtual monitors with a DPI of 0.0f, see #7902. We preserve this value for caller to handle.
 float ImGui_ImplGlfw_GetContentScaleForWindow(GLFWwindow* window)
 {
+#if GLFW_HAS_X11_OR_WAYLAND
+    if (ImGui_ImplGlfw_Data* bd = ImGui_ImplGlfw_GetBackendData(window))
+        if (bd->IsWayland)
+            return 1.0f;
+#endif
 #if GLFW_HAS_PER_MONITOR_DPI && !(defined(__APPLE__) || defined(__EMSCRIPTEN__) || defined(__ANDROID__))
     float x_scale, y_scale;
     glfwGetWindowContentScale(window, &x_scale, &y_scale);
@@ -1027,6 +1056,10 @@ float ImGui_ImplGlfw_GetContentScaleForWindow(GLFWwindow* window)
 
 float ImGui_ImplGlfw_GetContentScaleForMonitor(GLFWmonitor* monitor)
 {
+#if GLFW_HAS_X11_OR_WAYLAND
+    if (ImGui_ImplGlfw_IsWayland()) // We can't access our bd->IsWayland cache for a monitor.
+        return 1.0f;
+#endif
 #if GLFW_HAS_PER_MONITOR_DPI && !(defined(__APPLE__) || defined(__EMSCRIPTEN__) || defined(__ANDROID__))
     float x_scale, y_scale;
     glfwGetMonitorContentScale(monitor, &x_scale, &y_scale);
@@ -1043,10 +1076,17 @@ static void ImGui_ImplGlfw_GetWindowSizeAndFramebufferScale(GLFWwindow* window,
     int display_w, display_h;
     glfwGetWindowSize(window, &w, &h);
     glfwGetFramebufferSize(window, &display_w, &display_h);
+    float fb_scale_x = (w > 0) ? (float)display_w / w : 1.0f;
+    float fb_scale_y = (h > 0) ? (float)display_h / h : 1.0f;
+#if GLFW_HAS_X11_OR_WAYLAND
+    ImGui_ImplGlfw_Data* bd = ImGui_ImplGlfw_GetBackendData(window);
+    if (!bd->IsWayland)
+        fb_scale_x = fb_scale_y = 1.0f;
+#endif
     if (out_size != nullptr)
         *out_size = ImVec2((float)w, (float)h);
     if (out_framebuffer_scale != nullptr)
-        *out_framebuffer_scale = (w > 0 && h > 0) ? ImVec2((float)display_w / (float)w, (float)display_h / (float)h) : ImVec2(1.0f, 1.0f);
+        *out_framebuffer_scale = ImVec2(fb_scale_x, fb_scale_y);
 }
 
 void ImGui_ImplGlfw_NewFrame()

backends/imgui_impl_sdl2.cpp

@@ -26,6 +26,7 @@
 // CHANGELOG
 // (minor and older changes stripped away, please see git history for details)
 //  2025-XX-XX: Platform: Added support for multiple windows via the ImGuiPlatformIO interface.
+//  2025-09-15: Content Scales are always reported as 1.0 on Wayland. (#8921)
 //  2025-07-08: Made ImGui_ImplSDL2_GetContentScaleForWindow(), ImGui_ImplSDL2_GetContentScaleForDisplay() helpers return 1.0f on Emscripten and Android platforms, matching macOS logic. (#8742, #8733)
 //  2025-06-11: Added ImGui_ImplSDL2_GetContentScaleForWindow(SDL_Window* window) and ImGui_ImplSDL2_GetContentScaleForDisplay(int display_index) helper to facilitate making DPI-aware apps.
 //  2025-05-15: [Docking] Add Platform_GetWindowFramebufferScale() handler, to allow varying Retina display density on multiple monitors.
@@ -825,6 +826,9 @@ float ImGui_ImplSDL2_GetContentScaleForWindow(SDL_Window* window)
 
 float ImGui_ImplSDL2_GetContentScaleForDisplay(int display_index)
 {
+    const char* sdl_driver = SDL_GetCurrentVideoDriver();
+    if (sdl_driver && strcmp(sdl_driver, "wayland") == 0)
+        return 1.0f;
 #if SDL_HAS_PER_MONITOR_DPI
 #if !defined(__APPLE__) && !defined(__EMSCRIPTEN__) && !defined(__ANDROID__)
     float dpi = 0.0f;

backends/imgui_impl_sdl3.cpp

@@ -24,6 +24,7 @@
 // CHANGELOG
 // (minor and older changes stripped away, please see git history for details)
 //  2025-XX-XX: Platform: Added support for multiple windows via the ImGuiPlatformIO interface.
+//  2025-09-15: Use SDL_GetWindowDisplayScale() on Mac to output DisplayFrameBufferScale. The function is more reliable during resolution changes e.g. going fullscreen. (#8703, #4414)
 //  2025-06-27: IME: avoid calling SDL_StartTextInput() again if already active. (#8727)
 //  2025-05-15: [Docking] Add Platform_GetWindowFramebufferScale() handler, to allow varying Retina display density on multiple monitors.
 //  2025-05-06: [Docking] macOS: fixed secondary viewports not appearing on other monitors before of parenting.
@@ -913,15 +914,24 @@ static void ImGui_ImplSDL3_UpdateMonitors()
 static void ImGui_ImplSDL3_GetWindowSizeAndFramebufferScale(SDL_Window* window, ImVec2* out_size, ImVec2* out_framebuffer_scale)
 {
     int w, h;
-    int display_w, display_h;
     SDL_GetWindowSize(window, &w, &h);
     if (SDL_GetWindowFlags(window) & SDL_WINDOW_MINIMIZED)
         w = h = 0;
+
+#if defined(__APPLE__)
+    float fb_scale_x = SDL_GetWindowDisplayScale(window); // Seems more reliable during resolution change (#8703)
+    float fb_scale_y = fb_scale_x;
+#else
+    int display_w, display_h;
     SDL_GetWindowSizeInPixels(window, &display_w, &display_h);
+    float fb_scale_x = (w > 0) ? (float)display_w / w : 1.0f;
+    float fb_scale_y = (h > 0) ? (float)display_h / h : 1.0f;
+#endif
+
     if (out_size != nullptr)
         *out_size = ImVec2((float)w, (float)h);
     if (out_framebuffer_scale != nullptr)
-        *out_framebuffer_scale = (w > 0 && h > 0) ? ImVec2((float)display_w / w, (float)display_h / h) : ImVec2(1.0f, 1.0f);
+        *out_framebuffer_scale = ImVec2(fb_scale_x, fb_scale_y);
 }
 
 void ImGui_ImplSDL3_NewFrame()

docs/CHANGELOG.txt

@@ -36,25 +36,27 @@ HOW TO UPDATE?
 - Please report any issue!
 
 -----------------------------------------------------------------------
- VERSION 1.92.3 WIP (In Progress)
+ VERSION 1.92.3 (Released 2025-09-17)
 -----------------------------------------------------------------------
 
-Breaking Changes:
+Decorated log and release notes: https://github.com/ocornut/imgui/releases/tag/v1.92.3
 
 Other Changes:
 
-- Scrollbar, Style: added configurable style.ScrollbarPadding value and corresponding
-  ImGuiStyleVar_ScrollbarPadding enum, instead of hardcoded computed default. (#8895)
-- Fonts: fixed an assertion failure when a rectangle entry has been reused
-  1024 times (e.g. due to constant change of font types). (#8906) [@cfillion]
 - Fonts: fixed merging a font and specifying a font target in DstFont
   that's not the last added font (regression in 1.92). (#8912)
+- Fonts: fixed an assertion failure when a rectangle entry has been reused
+  1024 times (e.g. due to constant change of font size). (#8906) [@cfillion]
 - Clipper, Tables: added ImGuiListClipperFlags_NoSetTableRowCounters as a way to
   disable the assumption that 1 clipper item == 1 table row, which breaks when
   e.g. using clipper with ItemsHeight=1 in order to clip in pixel units. (#8886)
+- Scrollbar, Style: added configurable style.ScrollbarPadding value and corresponding
+  ImGuiStyleVar_ScrollbarPadding enum, instead of an hard-coded computed default. (#8895)
 - Nav: fixed Ctrl+Tab window appearing as empty when the sole active and focused
   window has the ImGuiWindowFlags_NoNavFocus flag. (#8914)
-- Bullet: fixed tesselation amount which looked out of place in very large sizes.
+- Nav: fixed a crash that could occur when opening a popup following the processing
+  of a global shortcut while no windows were focused.
+- Bullet: fixed tessellation which looked out of place in very large sizes.
 - InputText: added ImGuiInputTextFlags_WordWrap flag to word-wrap multi-line buffers.
   (#3237, #952, #1062, #7363). Current caveats:
   - This is marked as beta because not being tested enough.
@@ -62,7 +64,7 @@ Other Changes:
   - Wrapping style is not ideal. Wrapping of long words/sections (e.g. words
     larger than total available width) may be particularly unpleasing.
   - Wrapping width needs to always account for the possibility of a vertical scrollbar.
-  - It is currently much slower than regular text fields.
+  - It is currently much slower than regular text fields:
     - Ballpark estimate of cost on my 2019 desktop PC:
       For a 100 KB text buffer: +~0.3 ms/+~1.0 ms (Optimized vs Debug builds).
     - The CPU cost is very roughly proportional to text length, so a 10 KB buffer
@@ -101,12 +103,25 @@ Other Changes:
   is now skipped. (#8904, #4631)
 - Debug Tools: ID Stack Tool: added option to hex-encode non-ASCII characters in
   output path. (#8904, #4631)
+- Debug Tools: ID Stack Tool: fixed a crash when using PushOverrideID(0) during
+  a query. (#8937, #4631)
 - Debug Tools: Fixed assertion failure when opening a combo box while using
   io.ConfigDebugBeginReturnValueOnce/ConfigDebugBeginReturnValueLoop. (#8931) [@harrymander]
 - Demo: tweaked ShowFontSelector() and ShowStyleSelector() to update selection
   while navigating and to not close popup automatically.
 - CI: Updates Windows CI to use a more recent VulkanSDK. (#8925, #8778) [@yaz0r]
 - Examples: Android: Android+OpenGL3: update Gradle project (#8888, #8878) [@scribam]
+- Examples: GLFW+OpenGL2, GLFW+Vulkan, GLFW+Metal, Win32+Vulkan: Fixed not applying
+  content scale consistently with other examples. (#8921, #8756)
+- Backends: GLFW: distinguish X11 vs Wayland to fix various scaling issues.
+  (#8920, #8921) [@TheBrokenRail, @pthom, @ocornut]
+  - window/monitor content scales are always reported as 1.0 on Wayland.
+  - framebuffer scales are always reported as 1.0 on X11.
+- Backends: SDL2: window/monitor content scales are always reported as 1.0 on Wayland.
+  (#8920, #8921) [@TheBrokenRail, @pthom, @ocornut]
+- Backends: SDL3: use SDL_GetWindowDisplayScale() on Mac to obtain DisplayFrameBufferScale,
+  fixing incorrect values during resolution changes e.g. going fullscreen.
+  (#8703, #4414) [@jclounge]
 - Backends: SDL_GPU: Added ImGui_ImplSDLGPU3_InitInfo::SwapchainComposition and
   PresentMode to configure how secondary viewports are created. Currently only used
   multi-viewport mode. (#8892) [@PTSVU]
@@ -781,8 +796,8 @@ Docking+Viewports Branch:
 - Viewports: fixed handling of simultaneous move + resize (e.g. toggling maximized)
   when ImGuiConfigFlags_DpiEnableScaleViewports is enabled.
 - Backends: Win32: Viewports: fixed an issue when closing a window from
-  the OS close button (with io.ConfigViewportsNoDecoration=false) while 
-  user code is discarding the 'bool *p_open=false output' from Begin(). 
+  the OS close button (with io.ConfigViewportsNoDecoration=false) while
+  user code is discarding the 'bool *p_open=false output' from Begin().
   Because we allowed the Win32 window to close early, Windows destroyed
   it and our imgui window became not visible even though user code was
   still submitting it. (#8670)
@@ -933,7 +948,7 @@ Other changes:
   with asserts enabled. (#8452)
 - Backends: SDL2, SDL3: Using SDL_OpenURL() in platform_io.Platform_OpenInShellFn
   handler. (#7660) [@achabense]
-- Backends: SDL2, SDL3: Use display bounds when SDL_GetDisplayUsableBounds() 
+- Backends: SDL2, SDL3: Use display bounds when SDL_GetDisplayUsableBounds()
   fails or return a zero size. (#8415, #3457)
 - Backends: SDL2, SDL3, Win32, Allegro5: Added support for ImGuiMouseCursor_Wait
   and ImGuiMouseCursor_Progress cursors.
@@ -961,9 +976,9 @@ Docking+Viewports Branch:
 
 - Docking: Removed legacy assert preventing to call DockBuilderSplitNode() on an existing
   split node. This makes using DockBuilder a little more flexible and bearable! (#8472) [@MegaMech]
-- Viewports: fixed an issue where in certain cases, a window repositioning leading 
-  to a monitor change could have the window incorrectly get clamped within the boundaries 
-  of its previous monitor. Would happen e.g. when loading .ini data during runtime. (#8484) 
+- Viewports: fixed an issue where in certain cases, a window repositioning leading
+  to a monitor change could have the window incorrectly get clamped within the boundaries
+  of its previous monitor. Would happen e.g. when loading .ini data during runtime. (#8484)
 - Viewports: fixed an assert when a window load settings with a position outside
   monitor bounds, when there are multiple monitors. (#8393, #8385) [@gaborodriguez]
 - Viewports + Backends: Win32: Fixed setting title bar text when application

examples/example_allegro5/main.cpp

@@ -28,7 +28,7 @@ int main(int, char**)
     al_install_mouse();
     al_init_primitives_addon();
     al_set_new_display_flags(ALLEGRO_RESIZABLE);
-    ALLEGRO_DISPLAY* display = al_create_display(1280, 720);
+    ALLEGRO_DISPLAY* display = al_create_display(1280, 800);
     al_set_window_title(display, "Dear ImGui Allegro 5 example");
     ALLEGRO_EVENT_QUEUE* queue = al_create_event_queue();
     al_register_event_source(queue, al_get_display_event_source(display));

examples/example_apple_metal/main.mm

@@ -104,7 +104,7 @@
 
 -(void)loadView
 {
-    self.view = [[MTKView alloc] initWithFrame:CGRectMake(0, 0, 1200, 720)];
+    self.view = [[MTKView alloc] initWithFrame:CGRectMake(0, 0, 1200, 800)];
 }
 
 -(void)viewDidLoad

examples/example_apple_opengl2/main.mm

@@ -190,7 +190,7 @@
     if (_window != nil)
         return (_window);
 
-    NSRect viewRect = NSMakeRect(100.0, 100.0, 100.0 + 1280.0, 100 + 720.0);
+    NSRect viewRect = NSMakeRect(100.0, 100.0, 100.0 + 1280.0, 100 + 800.0);
 
     _window = [[NSWindow alloc] initWithContentRect:viewRect styleMask:NSWindowStyleMaskTitled|NSWindowStyleMaskMiniaturizable|NSWindowStyleMaskResizable|NSWindowStyleMaskClosable backing:NSBackingStoreBuffered defer:YES];
     [_window setTitle:@"Dear ImGui OSX+OpenGL2 Example"];

examples/example_glfw_metal/main.mm

@@ -27,19 +27,37 @@ static void glfw_error_callback(int error, const char* description)
 
 int main(int, char**)
 {
+    glfwSetErrorCallback(glfw_error_callback);
+    if (!glfwInit())
+        return 1;
+
+    // Create window with graphics context
+    float main_scale = ImGui_ImplGlfw_GetContentScaleForMonitor(glfwGetPrimaryMonitor()); // Valid on GLFW 3.3+ only
+    glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
+    GLFWwindow* window = glfwCreateWindow((int)(1280 * main_scale), (int)(800 * main_scale), "Dear ImGui GLFW+Metal example", nullptr, nullptr);
+    if (window == nullptr)
+        return 1;
+
     // Setup Dear ImGui context
     IMGUI_CHECKVERSION();
     ImGui::CreateContext();
     ImGuiIO& io = ImGui::GetIO(); (void)io;
-    io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard;  // Enable Keyboard Controls
-    io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad;   // Enable Gamepad Controls
-    io.ConfigFlags |= ImGuiConfigFlags_DockingEnable;      // Enable Docking
-    io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable;    // Enable Multi-Viewport / Platform Windows
+    io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard;     // Enable Keyboard Controls
+    io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad;      // Enable Gamepad Controls
+    io.ConfigFlags |= ImGuiConfigFlags_DockingEnable;         // Enable Docking
+    io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable;       // Enable Multi-Viewport / Platform Windows
 
-    // Setup style
+    // Setup Dear ImGui style
     ImGui::StyleColorsDark();
     //ImGui::StyleColorsLight();
 
+    // Setup scaling
+    ImGuiStyle& style = ImGui::GetStyle();
+    style.ScaleAllSizes(main_scale);        // Bake a fixed style scale. (until we have a solution for dynamic style scaling, changing this requires resetting Style + calling this again)
+    style.FontScaleDpi = main_scale;        // Set initial font scale. (using io.ConfigDpiScaleFonts=true makes this unnecessary. We leave both here for documentation purpose)
+    io.ConfigDpiScaleFonts = true;          // [Experimental] Automatically overwrite style.FontScaleDpi in Begin() when Monitor DPI changes. This will scale fonts but _NOT_ scale sizes/padding for now.
+    io.ConfigDpiScaleViewports = true;      // [Experimental] Scale Dear ImGui and Platform Windows when Monitor DPI changes.
+
     // When viewports are enabled we tweak WindowRounding/WindowBg so platform windows can look identical to regular ones.
     ImGuiStyle& style = ImGui::GetStyle();
     if (io.ConfigFlags & ImGuiConfigFlags_ViewportsEnable)
@@ -48,6 +66,13 @@ int main(int, char**)
         style.Colors[ImGuiCol_WindowBg].w = 1.0f;
     }
 
+    id <MTLDevice> device = MTLCreateSystemDefaultDevice();
+    id <MTLCommandQueue> commandQueue = [device newCommandQueue];
+
+    // Setup Platform/Renderer backends
+    ImGui_ImplGlfw_InitForOpenGL(window, true);
+    ImGui_ImplMetal_Init(device);
+
     // Load Fonts
     // - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them.
     // - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple.
@@ -64,24 +89,6 @@ int main(int, char**)
     //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf");
     //IM_ASSERT(font != nullptr);
 
-    // Setup window
-    glfwSetErrorCallback(glfw_error_callback);
-    if (!glfwInit())
-        return 1;
-
-    // Create window with graphics context
-    glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
-    GLFWwindow* window = glfwCreateWindow(1280, 720, "Dear ImGui GLFW+Metal example", nullptr, nullptr);
-    if (window == nullptr)
-        return 1;
-
-    id <MTLDevice> device = MTLCreateSystemDefaultDevice();
-    id <MTLCommandQueue> commandQueue = [device newCommandQueue];
-
-    // Setup Platform/Renderer backends
-    ImGui_ImplGlfw_InitForOther(window, true);
-    ImGui_ImplMetal_Init(device);
-
     NSWindow *nswin = glfwGetCocoaWindow(window);
     CAMetalLayer *layer = [CAMetalLayer layer];
     layer.device = device;

examples/example_glfw_opengl2/main.cpp

@@ -40,7 +40,8 @@ int main(int, char**)
         return 1;
 
     // Create window with graphics context
-    GLFWwindow* window = glfwCreateWindow(1280, 720, "Dear ImGui GLFW+OpenGL2 example", nullptr, nullptr);
+    float main_scale = ImGui_ImplGlfw_GetContentScaleForMonitor(glfwGetPrimaryMonitor()); // Valid on GLFW 3.3+ only
+    GLFWwindow* window = glfwCreateWindow((int)(1280 * main_scale), (int)(800 * main_scale), "Dear ImGui GLFW+OpenGL2 example", nullptr, nullptr);
     if (window == nullptr)
         return 1;
     glfwMakeContextCurrent(window);
@@ -61,6 +62,13 @@ int main(int, char**)
     ImGui::StyleColorsDark();
     //ImGui::StyleColorsLight();
 
+    // Setup scaling
+    ImGuiStyle& style = ImGui::GetStyle();
+    style.ScaleAllSizes(main_scale);        // Bake a fixed style scale. (until we have a solution for dynamic style scaling, changing this requires resetting Style + calling this again)
+    style.FontScaleDpi = main_scale;        // Set initial font scale. (using io.ConfigDpiScaleFonts=true makes this unnecessary. We leave both here for documentation purpose)
+    io.ConfigDpiScaleFonts = true;          // [Experimental] Automatically overwrite style.FontScaleDpi in Begin() when Monitor DPI changes. This will scale fonts but _NOT_ scale sizes/padding for now.
+    io.ConfigDpiScaleViewports = true;      // [Experimental] Scale Dear ImGui and Platform Windows when Monitor DPI changes.
+
     // When viewports are enabled we tweak WindowRounding/WindowBg so platform windows can look identical to regular ones.
     ImGuiStyle& style = ImGui::GetStyle();
     if (io.ConfigFlags & ImGuiConfigFlags_ViewportsEnable)

examples/example_glfw_vulkan/main.cpp

@@ -357,7 +357,8 @@ int main(int, char**)
 
     // Create window with Vulkan context
     glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
-    GLFWwindow* window = glfwCreateWindow(1280, 720, "Dear ImGui GLFW+Vulkan example", nullptr, nullptr);
+    float main_scale = ImGui_ImplGlfw_GetContentScaleForMonitor(glfwGetPrimaryMonitor()); // Valid on GLFW 3.3+ only
+    GLFWwindow* window = glfwCreateWindow((int)(1280 * main_scale), (int)(800 * main_scale), "Dear ImGui GLFW+Vulkan example", nullptr, nullptr);
     if (!glfwVulkanSupported())
     {
         printf("GLFW: Vulkan Not Supported\n");
@@ -397,6 +398,13 @@ int main(int, char**)
     ImGui::StyleColorsDark();
     //ImGui::StyleColorsLight();
 
+    // Setup scaling
+    ImGuiStyle& style = ImGui::GetStyle();
+    style.ScaleAllSizes(main_scale);        // Bake a fixed style scale. (until we have a solution for dynamic style scaling, changing this requires resetting Style + calling this again)
+    style.FontScaleDpi = main_scale;        // Set initial font scale. (using io.ConfigDpiScaleFonts=true makes this unnecessary. We leave both here for documentation purpose)
+    io.ConfigDpiScaleFonts = true;          // [Experimental] Automatically overwrite style.FontScaleDpi in Begin() when Monitor DPI changes. This will scale fonts but _NOT_ scale sizes/padding for now.
+    io.ConfigDpiScaleViewports = true;      // [Experimental] Scale Dear ImGui and Platform Windows when Monitor DPI changes.
+
     // When viewports are enabled we tweak WindowRounding/WindowBg so platform windows can look identical to regular ones.
     ImGuiStyle& style = ImGui::GetStyle();
     if (io.ConfigFlags & ImGuiConfigFlags_ViewportsEnable)

examples/example_glfw_wgpu/main.cpp

@@ -37,7 +37,7 @@ static WGPUSurface       wgpu_surface = nullptr;
 static WGPUTextureFormat wgpu_preferred_fmt = WGPUTextureFormat_RGBA8Unorm;
 static WGPUSwapChain     wgpu_swap_chain = nullptr;
 static int               wgpu_swap_chain_width = 1280;
-static int               wgpu_swap_chain_height = 720;
+static int               wgpu_swap_chain_height = 800;
 
 // Forward declarations
 static bool InitWGPU(GLFWwindow* window);

examples/example_glut_opengl2/main.cpp

@@ -48,7 +48,7 @@ int main(int argc, char** argv)
     glutSetOption(GLUT_ACTION_ON_WINDOW_CLOSE, GLUT_ACTION_GLUTMAINLOOP_RETURNS);
 #endif
     glutInitDisplayMode(GLUT_RGBA | GLUT_DOUBLE | GLUT_MULTISAMPLE);
-    glutInitWindowSize(1280, 720);
+    glutInitWindowSize(1280, 800);
     glutCreateWindow("Dear ImGui GLUT+OpenGL2 Example");
 
     // Setup GLUT display function

examples/example_sdl2_directx11/main.cpp

@@ -50,7 +50,7 @@ int main(int, char**)
     // Setup window
     float main_scale = ImGui_ImplSDL2_GetContentScaleForDisplay(0);
     SDL_WindowFlags window_flags = (SDL_WindowFlags)(SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI);
-    SDL_Window* window = SDL_CreateWindow("Dear ImGui SDL2+DirectX11 example", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, (int)(1280 * main_scale), (int)(720 * main_scale), window_flags);
+    SDL_Window* window = SDL_CreateWindow("Dear ImGui SDL2+DirectX11 example", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, (int)(1280 * main_scale), (int)(800 * main_scale), window_flags);
     if (window == nullptr)
     {
         printf("Error: SDL_CreateWindow(): %s\n", SDL_GetError());

examples/example_sdl2_metal/main.mm

@@ -70,7 +70,7 @@ int main(int, char**)
     // Enable native IME.
     SDL_SetHint(SDL_HINT_IME_SHOW_UI, "1");
 
-    SDL_Window* window = SDL_CreateWindow("Dear ImGui SDL+Metal example", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 1280, 720, SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI);
+    SDL_Window* window = SDL_CreateWindow("Dear ImGui SDL+Metal example", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 1280, 800, SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI);
     if (window == nullptr)
     {
         printf("Error creating window: %s\n", SDL_GetError());

examples/example_sdl2_opengl2/main.cpp

@@ -47,7 +47,7 @@ int main(int, char**)
     SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 2);
     float main_scale = ImGui_ImplSDL2_GetContentScaleForDisplay(0);
     SDL_WindowFlags window_flags = (SDL_WindowFlags)(SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI);
-    SDL_Window* window = SDL_CreateWindow("Dear ImGui SDL2+OpenGL example", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, (int)(1280 * main_scale), (int)(720 * main_scale), window_flags);
+    SDL_Window* window = SDL_CreateWindow("Dear ImGui SDL2+OpenGL example", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, (int)(1280 * main_scale), (int)(800 * main_scale), window_flags);
     if (window == nullptr)
     {
         printf("Error: SDL_CreateWindow(): %s\n", SDL_GetError());

examples/example_sdl2_opengl3/main.cpp

@@ -81,7 +81,7 @@ int main(int, char**)
     SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 8);
     float main_scale = ImGui_ImplSDL2_GetContentScaleForDisplay(0);
     SDL_WindowFlags window_flags = (SDL_WindowFlags)(SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI);
-    SDL_Window* window = SDL_CreateWindow("Dear ImGui SDL2+OpenGL3 example", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, (int)(1280 * main_scale), (int)(720 * main_scale), window_flags);
+    SDL_Window* window = SDL_CreateWindow("Dear ImGui SDL2+OpenGL3 example", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, (int)(1280 * main_scale), (int)(800 * main_scale), window_flags);
     if (window == nullptr)
     {
         printf("Error: SDL_CreateWindow(): %s\n", SDL_GetError());

examples/example_sdl2_sdlrenderer2/main.cpp

@@ -44,7 +44,7 @@ int main(int, char**)
     // Create window with SDL_Renderer graphics context
     float main_scale = ImGui_ImplSDL2_GetContentScaleForDisplay(0);
     SDL_WindowFlags window_flags = (SDL_WindowFlags)(SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI);
-    SDL_Window* window = SDL_CreateWindow("Dear ImGui SDL2+SDL_Renderer example", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, (int)(1280 * main_scale), (int)(720 * main_scale), window_flags);
+    SDL_Window* window = SDL_CreateWindow("Dear ImGui SDL2+SDL_Renderer example", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, (int)(1280 * main_scale), (int)(800 * main_scale), window_flags);
     if (window == nullptr)
     {
         printf("Error: SDL_CreateWindow(): %s\n", SDL_GetError());

examples/example_sdl2_vulkan/main.cpp

@@ -360,7 +360,7 @@ int main(int, char**)
     // Create window with Vulkan graphics context
     float main_scale = ImGui_ImplSDL2_GetContentScaleForDisplay(0);
     SDL_WindowFlags window_flags = (SDL_WindowFlags)(SDL_WINDOW_VULKAN | SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI);
-    SDL_Window* window = SDL_CreateWindow("Dear ImGui SDL2+Vulkan example", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, (int)(1280 * main_scale), (int)(720 * main_scale), window_flags);
+    SDL_Window* window = SDL_CreateWindow("Dear ImGui SDL2+Vulkan example", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, (int)(1280 * main_scale), (int)(800 * main_scale), window_flags);
     if (window == nullptr)
     {
         printf("Error: SDL_CreateWindow(): %s\n", SDL_GetError());

examples/example_sdl3_metal/main.mm

@@ -30,7 +30,7 @@ int main(int, char**)
     // Create SDL window graphics context
     float main_scale = SDL_GetDisplayContentScale(SDL_GetPrimaryDisplay());
     SDL_WindowFlags window_flags = SDL_WINDOW_METAL | SDL_WINDOW_RESIZABLE | SDL_WINDOW_HIDDEN | SDL_WINDOW_HIGH_PIXEL_DENSITY;
-    SDL_Window* window = SDL_CreateWindow("Dear ImGui SDL3+Metal example", (int)(1280 * main_scale), (int)(720 * main_scale), window_flags);
+    SDL_Window* window = SDL_CreateWindow("Dear ImGui SDL3+Metal example", (int)(1280 * main_scale), (int)(800 * main_scale), window_flags);
     if (window == nullptr)
     {
         printf("Error: SDL_CreateWindow(): %s\n", SDL_GetError());

examples/example_sdl3_opengl3/main.cpp

@@ -70,7 +70,7 @@ int main(int, char**)
     SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 8);
     float main_scale = SDL_GetDisplayContentScale(SDL_GetPrimaryDisplay());
     SDL_WindowFlags window_flags = SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE | SDL_WINDOW_HIDDEN | SDL_WINDOW_HIGH_PIXEL_DENSITY;
-    SDL_Window* window = SDL_CreateWindow("Dear ImGui SDL3+OpenGL3 example", (int)(1280 * main_scale), (int)(720 * main_scale), window_flags);
+    SDL_Window* window = SDL_CreateWindow("Dear ImGui SDL3+OpenGL3 example", (int)(1280 * main_scale), (int)(800 * main_scale), window_flags);
     if (window == nullptr)
     {
         printf("Error: SDL_CreateWindow(): %s\n", SDL_GetError());

examples/example_sdl3_sdlgpu3/main.cpp

@@ -37,7 +37,7 @@ int main(int, char**)
     // Create SDL window graphics context
     float main_scale = SDL_GetDisplayContentScale(SDL_GetPrimaryDisplay());
     SDL_WindowFlags window_flags = SDL_WINDOW_RESIZABLE | SDL_WINDOW_HIDDEN | SDL_WINDOW_HIGH_PIXEL_DENSITY;
-    SDL_Window* window = SDL_CreateWindow("Dear ImGui SDL3+SDL_GPU example", (int)(1280 * main_scale), (int)(720 * main_scale), window_flags);
+    SDL_Window* window = SDL_CreateWindow("Dear ImGui SDL3+SDL_GPU example", (int)(1280 * main_scale), (int)(800 * main_scale), window_flags);
     if (window == nullptr)
     {
         printf("Error: SDL_CreateWindow(): %s\n", SDL_GetError());

examples/example_sdl3_sdlrenderer3/main.cpp

@@ -34,7 +34,7 @@ int main(int, char**)
     // Create window with SDL_Renderer graphics context
     float main_scale = SDL_GetDisplayContentScale(SDL_GetPrimaryDisplay());
     SDL_WindowFlags window_flags = SDL_WINDOW_RESIZABLE | SDL_WINDOW_HIDDEN | SDL_WINDOW_HIGH_PIXEL_DENSITY;
-    SDL_Window* window = SDL_CreateWindow("Dear ImGui SDL3+SDL_Renderer example", (int)(1280 * main_scale), (int)(720 * main_scale), window_flags);
+    SDL_Window* window = SDL_CreateWindow("Dear ImGui SDL3+SDL_Renderer example", (int)(1280 * main_scale), (int)(800 * main_scale), window_flags);
     if (window == nullptr)
     {
         printf("Error: SDL_CreateWindow(): %s\n", SDL_GetError());

examples/example_sdl3_vulkan/main.cpp

@@ -355,7 +355,7 @@ int main(int, char**)
     // Create window with Vulkan graphics context
     float main_scale = SDL_GetDisplayContentScale(SDL_GetPrimaryDisplay());
     SDL_WindowFlags window_flags = SDL_WINDOW_VULKAN | SDL_WINDOW_RESIZABLE | SDL_WINDOW_HIDDEN | SDL_WINDOW_HIGH_PIXEL_DENSITY;
-    SDL_Window* window = SDL_CreateWindow("Dear ImGui SDL3+Vulkan example", (int)(1280 * main_scale), (int)(720 * main_scale), window_flags);
+    SDL_Window* window = SDL_CreateWindow("Dear ImGui SDL3+Vulkan example", (int)(1280 * main_scale), (int)(800 * main_scale), window_flags);
     if (window == nullptr)
     {
         printf("Error: SDL_CreateWindow(): %s\n", SDL_GetError());

examples/example_win32_opengl3/main.cpp

@@ -72,11 +72,14 @@ static void Hook_Renderer_SwapBuffers(ImGuiViewport* viewport, void*)
 // Main code
 int main(int, char**)
 {
+    // Make process DPI aware and obtain main monitor scale
+    //ImGui_ImplWin32_EnableDpiAwareness(); // FIXME: This somehow doesn't work in the Win32+OpenGL example. Why?
+    float main_scale = ImGui_ImplWin32_GetDpiScaleForMonitor(::MonitorFromPoint(POINT{ 0, 0 }, MONITOR_DEFAULTTOPRIMARY));
+
     // Create application window
-    //ImGui_ImplWin32_EnableDpiAwareness();
     WNDCLASSEXW wc = { sizeof(wc), CS_OWNDC, WndProc, 0L, 0L, GetModuleHandle(nullptr), nullptr, nullptr, nullptr, nullptr, L"ImGui Example", nullptr };
     ::RegisterClassExW(&wc);
-    HWND hwnd = ::CreateWindowW(wc.lpszClassName, L"Dear ImGui Win32+OpenGL3 Example", WS_OVERLAPPEDWINDOW, 100, 100, 1280, 800, nullptr, nullptr, wc.hInstance, nullptr);
+    HWND hwnd = ::CreateWindowW(wc.lpszClassName, L"Dear ImGui Win32+OpenGL3 Example", WS_OVERLAPPEDWINDOW, 100, 100, (int)(1280 * main_scale), (int)(800 * main_scale), nullptr, nullptr, wc.hInstance, nullptr);
 
     // Initialize OpenGL
     if (!CreateDeviceWGL(hwnd, &g_MainWindow))
@@ -105,6 +108,13 @@ int main(int, char**)
     ImGui::StyleColorsDark();
     //ImGui::StyleColorsClassic();
 
+    // Setup scaling
+    ImGuiStyle& style = ImGui::GetStyle();
+    style.ScaleAllSizes(main_scale);        // Bake a fixed style scale. (until we have a solution for dynamic style scaling, changing this requires resetting Style + calling this again)
+    style.FontScaleDpi = main_scale;        // Set initial font scale. (using io.ConfigDpiScaleFonts=true makes this unnecessary. We leave both here for documentation purpose)
+    io.ConfigDpiScaleFonts = true;          // [Experimental] Automatically overwrite style.FontScaleDpi in Begin() when Monitor DPI changes. This will scale fonts but _NOT_ scale sizes/padding for now.
+    io.ConfigDpiScaleViewports = true;      // [Experimental] Scale Dear ImGui and Platform Windows when Monitor DPI changes.
+
     // When viewports are enabled we tweak WindowRounding/WindowBg so platform windows can look identical to regular ones.
     ImGuiStyle& style = ImGui::GetStyle();
     if (io.ConfigFlags & ImGuiConfigFlags_ViewportsEnable)

examples/example_win32_vulkan/main.cpp

@@ -352,11 +352,14 @@ static int ImGui_ImplWin32_CreateVkSurface(ImGuiViewport* viewport, ImU64 vk_ins
 // Main code
 int main(int, char**)
 {
+    // Make process DPI aware and obtain main monitor scale
+    ImGui_ImplWin32_EnableDpiAwareness();
+    float main_scale = ImGui_ImplWin32_GetDpiScaleForMonitor(::MonitorFromPoint(POINT{ 0, 0 }, MONITOR_DEFAULTTOPRIMARY));
+
     // Create application window
-    //ImGui_ImplWin32_EnableDpiAwareness();
     WNDCLASSEXW wc = { sizeof(wc), CS_CLASSDC, WndProc, 0L, 0L, GetModuleHandle(nullptr), nullptr, nullptr, nullptr, nullptr, L"ImGui Example", nullptr };
     ::RegisterClassExW(&wc);
-    HWND hwnd = ::CreateWindowW(wc.lpszClassName, L"Dear ImGui Win32+Vulkan Example", WS_OVERLAPPEDWINDOW, 100, 100, 1280, 800, nullptr, nullptr, wc.hInstance, nullptr);
+    HWND hwnd = ::CreateWindowW(wc.lpszClassName, L"Dear ImGui Win32+Vulkan Example", WS_OVERLAPPEDWINDOW, 100, 100, (int)(1280 * main_scale), (int)(800 * main_scale), nullptr, nullptr, wc.hInstance, nullptr);
 
     ImVector<const char*> extensions;
     extensions.push_back("VK_KHR_surface");
@@ -379,7 +382,7 @@ int main(int, char**)
     // Show the window
     // FIXME: Retrieve client size from window itself.
     ImGui_ImplVulkanH_Window* wd = &g_MainWindowData;
-    SetupVulkanWindow(wd, surface, 1280, 800);
+    SetupVulkanWindow(wd, surface, (int)(1280 * main_scale), (int)(800 * main_scale));
     ::ShowWindow(hwnd, SW_SHOWDEFAULT);
     ::UpdateWindow(hwnd);
 
@@ -398,6 +401,13 @@ int main(int, char**)
     ImGui::StyleColorsDark();
     //ImGui::StyleColorsLight();
 
+    // Setup scaling
+    ImGuiStyle& style = ImGui::GetStyle();
+    style.ScaleAllSizes(main_scale);        // Bake a fixed style scale. (until we have a solution for dynamic style scaling, changing this requires resetting Style + calling this again)
+    style.FontScaleDpi = main_scale;        // Set initial font scale. (using io.ConfigDpiScaleFonts=true makes this unnecessary. We leave both here for documentation purpose)
+    io.ConfigDpiScaleFonts = true;          // [Experimental] Automatically overwrite style.FontScaleDpi in Begin() when Monitor DPI changes. This will scale fonts but _NOT_ scale sizes/padding for now.
+    io.ConfigDpiScaleViewports = true;      // [Experimental] Scale Dear ImGui and Platform Windows when Monitor DPI changes.
+
     // When viewports are enabled we tweak WindowRounding/WindowBg so platform windows can look identical to regular ones.
     ImGuiStyle& style = ImGui::GetStyle();
     if (io.ConfigFlags & ImGuiConfigFlags_ViewportsEnable)

imgui.cpp

@@ -1,4 +1,4 @@
-// dear imgui, v1.92.3 WIP
+// dear imgui, v1.92.3
 // (main code and documentation)
 
 // Help:
@@ -4147,7 +4147,7 @@ ImGuiContext::ImGuiContext(ImFontAtlas* shared_font_atlas)
     WheelingWindowReleaseTimer = 0.0f;
 
     DebugDrawIdConflictsId = 0;
-    DebugHookIdInfo = 0;
+    DebugHookIdInfoId = 0;
     HoveredId = HoveredIdPreviousFrame = 0;
     HoveredIdPreviousFrameItemCount = 0;
     HoveredIdAllowOverlap = false;
@@ -9597,7 +9597,7 @@ ImGuiID ImGuiWindow::GetID(const char* str, const char* str_end)
     ImGuiID id = ImHashStr(str, str_end ? (str_end - str) : 0, seed);
 #ifndef IMGUI_DISABLE_DEBUG_TOOLS
     ImGuiContext& g = *Ctx;
-    if (g.DebugHookIdInfo == id)
+    if (g.DebugHookIdInfoId == id)
         ImGui::DebugHookIdInfo(id, ImGuiDataType_String, str, str_end);
 #endif
     return id;
@@ -9609,7 +9609,7 @@ ImGuiID ImGuiWindow::GetID(const void* ptr)
     ImGuiID id = ImHashData(&ptr, sizeof(void*), seed);
 #ifndef IMGUI_DISABLE_DEBUG_TOOLS
     ImGuiContext& g = *Ctx;
-    if (g.DebugHookIdInfo == id)
+    if (g.DebugHookIdInfoId == id)
         ImGui::DebugHookIdInfo(id, ImGuiDataType_Pointer, ptr, NULL);
 #endif
     return id;
@@ -9621,7 +9621,7 @@ ImGuiID ImGuiWindow::GetID(int n)
     ImGuiID id = ImHashData(&n, sizeof(n), seed);
 #ifndef IMGUI_DISABLE_DEBUG_TOOLS
     ImGuiContext& g = *Ctx;
-    if (g.DebugHookIdInfo == id)
+    if (g.DebugHookIdInfoId == id)
         ImGui::DebugHookIdInfo(id, ImGuiDataType_S32, (void*)(intptr_t)n, NULL);
 #endif
     return id;
@@ -9684,7 +9684,7 @@ void ImGui::PushOverrideID(ImGuiID id)
     ImGuiContext& g = *GImGui;
     ImGuiWindow* window = g.CurrentWindow;
 #ifndef IMGUI_DISABLE_DEBUG_TOOLS
-    if (g.DebugHookIdInfo == id)
+    if (g.DebugHookIdInfoId == id)
         DebugHookIdInfo(id, ImGuiDataType_ID, NULL, NULL);
 #endif
     window->IDStack.push_back(id);
@@ -9698,7 +9698,7 @@ ImGuiID ImGui::GetIDWithSeed(const char* str, const char* str_end, ImGuiID seed)
     ImGuiID id = ImHashStr(str, str_end ? (str_end - str) : 0, seed);
 #ifndef IMGUI_DISABLE_DEBUG_TOOLS
     ImGuiContext& g = *GImGui;
-    if (g.DebugHookIdInfo == id)
+    if (g.DebugHookIdInfoId == id)
         DebugHookIdInfo(id, ImGuiDataType_String, str, str_end);
 #endif
     return id;
@@ -9709,7 +9709,7 @@ ImGuiID ImGui::GetIDWithSeed(int n, ImGuiID seed)
     ImGuiID id = ImHashData(&n, sizeof(n), seed);
 #ifndef IMGUI_DISABLE_DEBUG_TOOLS
     ImGuiContext& g = *GImGui;
-    if (g.DebugHookIdInfo == id)
+    if (g.DebugHookIdInfoId == id)
         DebugHookIdInfo(id, ImGuiDataType_S32, (void*)(intptr_t)n, NULL);
 #endif
     return id;
@@ -14121,6 +14121,9 @@ static ImVec2 ImGui::NavCalcPreferredRefPos()
 
     const bool activated_shortcut = g.ActiveId != 0 && g.ActiveIdFromShortcut && g.ActiveId == g.LastItemData.ID;
 
+    if (source != ImGuiInputSource_Mouse && !activated_shortcut && window == NULL)
+        source = ImGuiInputSource_Mouse;
+
     // Testing for !activated_shortcut here could in theory be removed if we decided that activating a remote shortcut altered one of the g.NavDisableXXX flag.
     if (source == ImGuiInputSource_Mouse)
     {
@@ -14140,7 +14143,7 @@ static ImVec2 ImGui::NavCalcPreferredRefPos()
             ref_rect = WindowRectRelToAbs(window, window->NavRectRel[g.NavLayer]);
 
         // Take account of upcoming scrolling (maybe set mouse pos should be done in EndFrame?)
-        if (window->LastFrameActive != g.FrameCount && (window->ScrollTarget.x != FLT_MAX || window->ScrollTarget.y != FLT_MAX))
+        if (window != NULL && window->LastFrameActive != g.FrameCount && (window->ScrollTarget.x != FLT_MAX || window->ScrollTarget.y != FLT_MAX))
         {
             ImVec2 next_scroll = CalcNextScrollFromScrollTargetAndClamp(window);
             ref_rect.Translate(window->Scroll - next_scroll);
@@ -23539,21 +23542,22 @@ void ImGui::UpdateDebugToolStackQueries()
     ImGuiIDStackTool* tool = &g.DebugIDStackTool;
 
     // Clear hook when id stack tool is not visible
-    g.DebugHookIdInfo = 0;
+    g.DebugHookIdInfoId = 0;
+    tool->QueryHookActive = false;
     if (g.FrameCount != tool->LastActiveFrame + 1)
         return;
 
     // Update queries. The steps are: -1: query Stack, >= 0: query each stack item
     // We can only perform 1 ID Info query every frame. This is designed so the GetID() tests are cheap and constant-time
-    const ImGuiID query_id = g.HoveredIdPreviousFrame ? g.HoveredIdPreviousFrame : g.ActiveId;
-    if (tool->QueryId != query_id)
+    const ImGuiID query_main_id = g.HoveredIdPreviousFrame ? g.HoveredIdPreviousFrame : g.ActiveId;
+    if (tool->QueryMainId != query_main_id)
     {
-        tool->QueryId = query_id;
+        tool->QueryMainId = query_main_id;
         tool->StackLevel = -1;
         tool->Results.resize(0);
         tool->ResultPathsBuf.resize(0);
     }
-    if (query_id == 0)
+    if (query_main_id == 0)
         return;
 
     // Advance to next stack level when we got our result, or after 2 frames (in case we never get a result)
@@ -23565,11 +23569,15 @@ void ImGui::UpdateDebugToolStackQueries()
     // Update hook
     stack_level = tool->StackLevel;
     if (stack_level == -1)
-        g.DebugHookIdInfo = query_id;
-    if (stack_level >= 0 && stack_level < tool->Results.Size)
     {
-        g.DebugHookIdInfo = tool->Results[stack_level].ID;
+        g.DebugHookIdInfoId = query_main_id;
+        tool->QueryHookActive = true;
+    }
+    else if (stack_level >= 0 && stack_level < tool->Results.Size)
+    {
+        g.DebugHookIdInfoId = tool->Results[stack_level].ID;
         tool->Results[stack_level].QueryFrameCount++;
+        tool->QueryHookActive = true;
     }
 }
 
@@ -23579,11 +23587,17 @@ void ImGui::DebugHookIdInfo(ImGuiID id, ImGuiDataType data_type, const void* dat
     ImGuiContext& g = *GImGui;
     ImGuiWindow* window = g.CurrentWindow;
     ImGuiIDStackTool* tool = &g.DebugIDStackTool;
+    if (tool->QueryHookActive == false)
+    {
+        IM_ASSERT(id == 0);
+        return;
+    }
 
     // Step 0: stack query
     // This assumes that the ID was computed with the current ID stack, which tends to be the case for our widget.
     if (tool->StackLevel == -1)
     {
+        IM_ASSERT(tool->Results.Size == 0);
         tool->StackLevel++;
         tool->Results.resize(window->IDStack.Size + 1, ImGuiStackLevelInfo());
         for (int n = 0; n < window->IDStack.Size + 1; n++)
@@ -23679,7 +23693,7 @@ void ImGui::ShowIDStackToolWindow(bool* p_open)
             p = p_next;
         }
     }
-    Text("0x%08X", tool->QueryId);
+    Text("0x%08X", tool->QueryMainId);
     SameLine();
     MetricsHelpMarker("Hover an item with the mouse to display elements of the ID Stack leading to the item's final ID.\nEach level of the stack correspond to a PushID() call.\nAll levels of the stack are hashed together to make the final ID of a widget (ID displayed at the bottom level of the stack).\nRead FAQ entry about the ID stack for details.");
 
@@ -23700,7 +23714,7 @@ void ImGui::ShowIDStackToolWindow(bool* p_open)
 
     Text("- Path \"%s\"", tool->ResultTempBuf.c_str());
 #ifdef IMGUI_ENABLE_TEST_ENGINE
-    Text("- Label \"%s\"", tool->QueryId ? ImGuiTestEngine_FindItemDebugLabel(&g, tool->QueryId) : "");
+    Text("- Label \"%s\"", tool->QueryMainId ? ImGuiTestEngine_FindItemDebugLabel(&g, tool->QueryMainId) : "");
 #endif
 
     Separator();

imgui.h

@@ -1,4 +1,4 @@
-// dear imgui, v1.92.3 WIP
+// dear imgui, v1.92.3
 // (headers)
 
 // Help:
@@ -28,8 +28,8 @@
 
 // Library Version
 // (Integer encoded as XYYZZ for use in #if preprocessor conditionals, e.g. '#if IMGUI_VERSION_NUM >= 12345')
-#define IMGUI_VERSION       "1.92.3 WIP"
-#define IMGUI_VERSION_NUM   19228
+#define IMGUI_VERSION       "1.92.3"
+#define IMGUI_VERSION_NUM   19230
 #define IMGUI_HAS_TABLE             // Added BeginTable() - from IMGUI_VERSION_NUM >= 18000
 #define IMGUI_HAS_TEXTURES          // Added ImGuiBackendFlags_RendererHasTextures - from IMGUI_VERSION_NUM >= 19198
 #define IMGUI_HAS_VIEWPORT          // In 'docking' WIP branch.

imgui_demo.cpp

@@ -1,4 +1,4 @@
-// dear imgui, v1.92.3 WIP
+// dear imgui, v1.92.3
 // (demo code)
 
 // Help:

imgui_draw.cpp

@@ -1,4 +1,4 @@
-// dear imgui, v1.92.3 WIP
+// dear imgui, v1.92.3
 // (drawing and font code)
 
 /*

imgui_internal.h

@@ -1,4 +1,4 @@
-// dear imgui, v1.92.3 WIP
+// dear imgui, v1.92.3
 // (internal structures/api)
 
 // You may use this file to debug, understand or extend Dear ImGui features but we don't provide any guarantee of forward compatibility.
@@ -2319,15 +2319,16 @@ struct ImGuiIDStackTool
 {
     int                     LastActiveFrame;
     int                     StackLevel;                 // -1: query stack and resize Results, >= 0: individual stack level
-    ImGuiID                 QueryId;                    // ID to query details for
+    ImGuiID                 QueryMainId;                // ID to query details for
     ImVector<ImGuiStackLevelInfo> Results;
+    bool                    QueryHookActive;            // Used to disambiguate the case where DebugHookIdInfoId == 0 which is valid.
     bool                    OptHexEncodeNonAsciiChars;
     bool                    OptCopyToClipboardOnCtrlC;
     float                   CopyToClipboardLastTime;
     ImGuiTextBuffer         ResultPathsBuf;
     ImGuiTextBuffer         ResultTempBuf;
 
-    ImGuiIDStackTool()      { memset(this, 0, sizeof(*this)); OptHexEncodeNonAsciiChars = true; CopyToClipboardLastTime = -FLT_MAX; }
+    ImGuiIDStackTool()      { memset(this, 0, sizeof(*this)); LastActiveFrame = -1; OptHexEncodeNonAsciiChars = true; CopyToClipboardLastTime = -FLT_MAX; }
 };
 
 //-----------------------------------------------------------------------------
@@ -2412,7 +2413,7 @@ struct ImGuiContext
 
     // Item/widgets state and tracking information
     ImGuiID                 DebugDrawIdConflictsId;             // Set when we detect multiple items with the same identifier
-    ImGuiID                 DebugHookIdInfo;                    // Will call core hooks: DebugHookIdInfo() from GetID functions, used by ID Stack Tool [next HoveredId/ActiveId to not pull in an extra cache-line]
+    ImGuiID                 DebugHookIdInfoId;                  // Will call core hooks: DebugHookIdInfo() from GetID functions, used by ID Stack Tool [next HoveredId/ActiveId to not pull in an extra cache-line]
     ImGuiID                 HoveredId;                          // Hovered widget, filled during the frame
     ImGuiID                 HoveredIdPreviousFrame;
     int                     HoveredIdPreviousFrameItemCount;    // Count numbers of items using the same ID as last frame's hovered id

imgui_tables.cpp

@@ -1,4 +1,4 @@
-// dear imgui, v1.92.3 WIP
+// dear imgui, v1.92.3
 // (tables and columns code)
 
 /*

imgui_widgets.cpp

@@ -1,4 +1,4 @@
-// dear imgui, v1.92.3 WIP
+// dear imgui, v1.92.3
 // (widgets code)
 
 /*
@@ -5186,7 +5186,7 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
                 apply_new_text = "";
                 apply_new_text_length = 0;
                 value_changed = true;
-                IMSTB_TEXTEDIT_CHARTYPE empty_string;
+                char empty_string = 0;
                 stb_textedit_replace(state, state->Stb, &empty_string, 0);
             }
             else if (strcmp(state->TextA.Data, state->TextToRevertTo.Data) != 0)