diff --git a/imgui.h b/imgui.h
index 916ad7547..0e4c73915 100644
--- a/imgui.h
+++ b/imgui.h
@@ -350,6 +350,8 @@ typedef ImU64 ImTextureID;      // Default: store up to 64-bits (any pointer or
 // - If you want to bind the current atlas when using custom rectangle, you can use io.Fonts->TexRef.
 // - Binding generators for languages such as C (which don't have constructors), should provide a helper:
 //      inline ImTextureRef ImTextureRefFromID(ImTextureID tex_id) { ImTextureRef tex_ref = { ._TexData = NULL, .TexID = tex_id }; return tex_ref; }
+// In 1.92 we changed most drawing functions using ImTextureID to use ImTextureRef.
+// We intentionally do not provide an implicit ImTextureRef -> ImTextureID cast operator because it is technically lossy to convert ImTextureRef to ImTextureID before rendering.
 IM_MSVC_RUNTIME_CHECKS_OFF
 struct ImTextureRef
 {
@@ -358,7 +360,8 @@ struct ImTextureRef
 #if !defined(IMGUI_DISABLE_OBSOLETE_FUNCTIONS) && !defined(ImTextureID)
     ImTextureRef(void* tex_id)              { _TexData = NULL; _TexID = (ImTextureID)(size_t)tex_id; }  // For legacy backends casting to ImTextureID
 #endif
-    inline ImTextureID GetTexID() const;    // == (_TexData ? _TexData->TexID : _TexID) // Implemented below in the file.
+
+    inline ImTextureID  GetTexID() const;   // == (_TexData ? _TexData->TexID : _TexID) // Implemented below in the file.
 
     // Members (either are set, never both!)
     ImTextureData*      _TexData;           //      A texture, generally owned by a ImFontAtlas. Will convert to ImTextureID during render loop, after texture has been uploaded.
diff --git a/imgui_internal.h b/imgui_internal.h
index b4ddf4175..55ca3ba89 100644
--- a/imgui_internal.h
+++ b/imgui_internal.h
@@ -246,7 +246,7 @@ extern IMGUI_API ImGuiContext* GImGui;  // Current implicit context pointer
 #define IMGUI_DEBUG_LOG_SELECTION(...)  do { if (g.DebugLogFlags & ImGuiDebugLogFlags_EventSelection)   IMGUI_DEBUG_LOG(__VA_ARGS__); } while (0)
 #define IMGUI_DEBUG_LOG_CLIPPER(...)    do { if (g.DebugLogFlags & ImGuiDebugLogFlags_EventClipper)     IMGUI_DEBUG_LOG(__VA_ARGS__); } while (0)
 #define IMGUI_DEBUG_LOG_IO(...)         do { if (g.DebugLogFlags & ImGuiDebugLogFlags_EventIO)          IMGUI_DEBUG_LOG(__VA_ARGS__); } while (0)
-#define IMGUI_DEBUG_LOG_FONT(...)       do { ImGuiContext& g2 = *GImGui; if (g2.DebugLogFlags & ImGuiDebugLogFlags_EventFont) IMGUI_DEBUG_LOG(__VA_ARGS__); } while (0)
+#define IMGUI_DEBUG_LOG_FONT(...)       do { ImGuiContext* g2 = GImGui; if (g2 && g2->DebugLogFlags & ImGuiDebugLogFlags_EventFont) IMGUI_DEBUG_LOG(__VA_ARGS__); } while (0) // Called from ImFontAtlas function which may operate without a context.
 #define IMGUI_DEBUG_LOG_INPUTROUTING(...) do{if (g.DebugLogFlags & ImGuiDebugLogFlags_EventInputRouting)IMGUI_DEBUG_LOG(__VA_ARGS__); } while (0)
 
 // Static Asserts