Backends: GLFW: Fix Emscripten erroneously enabling multi-viewport support, leading to assert. (#5683)

backends/imgui_impl_glfw.cpp

@@ -549,7 +549,9 @@ static bool ImGui_ImplGlfw_Init(GLFWwindow* window, bool install_callbacks, Glfw
     io.BackendPlatformName = "imgui_impl_glfw";
     io.BackendFlags |= ImGuiBackendFlags_HasMouseCursors;         // We can honor GetMouseCursor() values (optional)
     io.BackendFlags |= ImGuiBackendFlags_HasSetMousePos;          // We can honor io.WantSetMousePos requests (optional, rarely used)
+#ifndef __EMSCRIPTEN__
     io.BackendFlags |= ImGuiBackendFlags_PlatformHasViewports;    // We can create multi-viewports on the Platform side (optional)
+#endif
 #if GLFW_HAS_MOUSE_PASSTHROUGH || (GLFW_HAS_WINDOW_HOVERED && defined(_WIN32))
     io.BackendFlags |= ImGuiBackendFlags_HasMouseHoveredViewport; // We can call io.AddMouseViewportEvent() with correct data (optional)
 #endif

docs/CHANGELOG.txt

@@ -98,6 +98,19 @@ Other changes:
   Note that Linux/Mac still have inconsistent support for multi-viewports. If you want to help see https://github.com/ocornut/imgui/issues/2117.
 
 
+-----------------------------------------------------------------------
+ VERSION 1.89.5 (In Progress)
+-----------------------------------------------------------------------
+
+Breaking Changes:
+
+Other Changes:
+
+Docking+Viewports Branch:
+
+- Backends: GLFW: Fix Emscripten erroneously enabling multi-viewport support, leading to assert. (#5683)
+
+
 -----------------------------------------------------------------------
  VERSION 1.89.4 (Released 2023-03-14)
 -----------------------------------------------------------------------