diff --git a/docs/CHANGELOG.txt b/docs/CHANGELOG.txt
index ef17f3c5..4ea1896f 100644
--- a/docs/CHANGELOG.txt
+++ b/docs/CHANGELOG.txt
@@ -30,7 +30,7 @@ HOW TO UPDATE?
 
 
 -----------------------------------------------------------------------
- VERSION 1.66 (In Progress)
+ VERSION 1.66 (Released 2018-11-22)
 -----------------------------------------------------------------------
 
 Breaking Changes:
@@ -40,13 +40,15 @@ Breaking Changes:
 
 Other Changes:
 
-- Fixed calling DestroyContext() always saving .ini data with the current context instead
-  of the supplied context pointer. (#2066)
 - Fixed calling SetNextWindowSize()/SetWindowSize() with non-integer values leading to 
   accidental alteration of window position. We now round the provided size. (#2067)
+- Fixed calling DestroyContext() always saving .ini data with the current context instead
+  of the supplied context pointer. (#2066)
 - Nav, Focus: Fixed ImGuiWindowFlags_NoBringToFrontOnFocus windows not being restoring focus
   properly after the main menu bar or last focused window is deactivated.
 - Nav: Fixed an assert in certain circumstance (mostly when using popups) when mouse positions stop being valid. (#2168)
+- Nav: Fixed explicit directional input not re-highlighting current nav item if there is a single item in the window
+  and highlight has been previously disabled by the mouse. (#787)
 - DragFloat: Fixed a situation where dragging with value rounding enabled or with a power curve 
   erroneously wrapped the value to one of the min/max edge. (#2024, #708, #320, #2075).
 - DragFloat: Disabled using power curve when one edge is FLT_MAX (broken in 1.61). (#2024)
@@ -83,6 +85,7 @@ Other Changes:
 - Examples: OpenGL3: Added support for GL 4.5's glClipControl(GL_UPPER_LEFT). (#2186)
 - Examples: OpenGL3+GLFW: Fixed error condition when using the GLAD loader. (#2157) [@blackball]
 - Examples: OpenGL3+GLFW/SDL: Made main.cpp compile with IMGUI_IMPL_OPENGL_LOADER_CUSTOM (may be missing init). (#2178) [@doug-moen]
+- Examples: SDL2+Vulkan: Fixed application shutdown which could deadlock on Linux + Xorg. (#2181) [@eRabbit0]
 
 
 -----------------------------------------------------------------------
diff --git a/docs/README.md b/docs/README.md
index ecedfe66..bd711799 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -17,6 +17,8 @@ Dear ImGui is designed to enable fast iterations and to empower programmers to c
 
 Dear ImGui is particularly suited to integration in games engine (for tooling), real-time 3D applications, fullscreen applications, embedded applications, or any applications on consoles platforms where operating system features are non-standard. 
 
+See [Software using dear imgui](https://github.com/ocornut/imgui/wiki/Software-using-dear-imgui), [Quotes](https://github.com/ocornut/imgui/wiki/Quotes) and [Gallery](https://github.com/ocornut/imgui/issues/1902) pages to get an idea of its use cases.
+
 Dear ImGui is self-contained within a few files that you can easily copy and compile into your application/engine:
 - imgui.cpp
 - imgui.h
@@ -152,10 +154,11 @@ For other bindings: see [Bindings](https://github.com/ocornut/imgui/wiki/Binding
 
 Roadmap
 -------
-Some of the goals for 2018-2019 are:
-- Finish work on docking, tabs. (see [#2109](https://github.com/ocornut/imgui/issues/2109))
-- Finish work on viewports and multiple OS windows management. (see [#1542](https://github.com/ocornut/imgui/issues/1542))
+Some of the goals for 2019 are:
+- Finish work on docking, tabs. (see [#2109](https://github.com/ocornut/imgui/issues/2109), public branch looking for feedback)
+- Finish work on multiple viewports / multiple OS windows. (see [#1542](https://github.com/ocornut/imgui/issues/1542), public branch looking for feedback)
 - Finish work on gamepad/keyboard controls. (see [#787](https://github.com/ocornut/imgui/issues/787))
+- Add an automation and testing system, both to test the library and end-user apps.
 - Make Columns better. (they are currently pretty terrible!)
 - Make the examples look better, improve styles, improve font support, make the examples hi-DPI aware.
 
@@ -217,7 +220,7 @@ Support Forums
 
 If you have issues with: compiling, linking, adding fonts, running or displaying Dear ImGui, or wiring inputs: please post on the Discourse forum: https://discourse.dearimgui.org.
 
-For any other questions, bug reports, requests, feedback, you may post on https://github.com/ocornut/imgui/issues.
+For any other questions, bug reports, requests, feedback, you may post on https://github.com/ocornut/imgui/issues. Please read and fill the New Issue template carefully.
 
 Frequently Asked Question (FAQ)
 -------------------------------
@@ -238,7 +241,7 @@ You may also peak at the [Multi-Viewport](https://github.com/ocornut/imgui/issue
 
 **Who uses Dear ImGui?**
 
-See the [Software using dear imgui page](https://github.com/ocornut/imgui/wiki/Software-using-dear-imgui) for an (incomplete) list of games/software which are publicly known to use dear imgui. Please add yours if you can!
+See the [Quotes](https://github.com/ocornut/imgui/wiki/Quotes) and [Software using dear imgui](https://github.com/ocornut/imgui/wiki/Software-using-dear-imgui) pages for an (incomplete) list of games/software which are publicly known to use dear imgui. Please add yours if you can!
 
 **Why the odd dual naming, "dear imgui" vs "ImGui"?**
 
diff --git a/examples/example_sdl_vulkan/main.cpp b/examples/example_sdl_vulkan/main.cpp
index 6682c2d7..ce2977a4 100644
--- a/examples/example_sdl_vulkan/main.cpp
+++ b/examples/example_sdl_vulkan/main.cpp
@@ -490,8 +490,9 @@ int main(int, char**)
     ImGui_ImplVulkan_Shutdown();
     ImGui_ImplSDL2_Shutdown();
     ImGui::DestroyContext();
-    SDL_DestroyWindow(window);
     CleanupVulkan();
+
+    SDL_DestroyWindow(window);
     SDL_Quit();
 
     return 0;
diff --git a/examples/imgui_impl_opengl3.cpp b/examples/imgui_impl_opengl3.cpp
index 998db5b9..da564630 100644
--- a/examples/imgui_impl_opengl3.cpp
+++ b/examples/imgui_impl_opengl3.cpp
@@ -179,8 +179,9 @@ void    ImGui_ImplOpenGL3_RenderDrawData(ImDrawData* draw_data)
     GLboolean last_enable_scissor_test = glIsEnabled(GL_SCISSOR_TEST);
     bool clip_origin_lower_left = true;
 #ifdef GL_CLIP_ORIGIN
-    GLenum last_clip_origin; glGetIntegerv(GL_CLIP_ORIGIN, (GLint*)&last_clip_origin); // Support for GL 4.5's glClipControl(GL_UPPER_LEFT)
-    clip_origin_lower_left = (last_clip_origin == GL_LOWER_LEFT);
+    GLenum last_clip_origin = 0; glGetIntegerv(GL_CLIP_ORIGIN, (GLint*)&last_clip_origin); // Support for GL 4.5's glClipControl(GL_UPPER_LEFT)
+    if (last_clip_origin == GL_UPPER_LEFT)
+        clip_origin_lower_left = false;
 #endif
 
     // Setup render state: alpha-blending enabled, no face culling, no depth testing, scissor enabled, polygon fill
diff --git a/imgui.cpp b/imgui.cpp
index ab4c1905..767a7bbd 100644
--- a/imgui.cpp
+++ b/imgui.cpp
@@ -1,4 +1,4 @@
-// dear imgui, v1.66 WIP
+// dear imgui, v1.66
 // (main code and documentation)
 
 // Call and read ImGui::ShowDemoWindow() in imgui_demo.cpp for demo code.
@@ -2314,7 +2314,7 @@ void ImGui::RenderNavHighlight(const ImRect& bb, ImGuiID id, ImGuiNavHighlightFl
         return;
     if (g.NavDisableHighlight && !(flags & ImGuiNavHighlightFlags_AlwaysDraw))
         return;
-    ImGuiWindow* window = ImGui::GetCurrentWindow();
+    ImGuiWindow* window = g.CurrentWindow;
     if (window->DC.NavHideHighlightOneFrame)
         return;
 
@@ -3823,7 +3823,7 @@ void ImGui::Render()
     IM_ASSERT(g.Initialized);
 
     if (g.FrameCountEnded != g.FrameCount)
-        ImGui::EndFrame();
+        EndFrame();
     g.FrameCountRendered = g.FrameCount;
 
     // Gather ImDrawList to render (for each active window)
@@ -4423,13 +4423,18 @@ static void SetWindowConditionAllowFlags(ImGuiWindow* window, ImGuiCond flags, b
     window->SetWindowCollapsedAllowFlags = enabled ? (window->SetWindowCollapsedAllowFlags | flags) : (window->SetWindowCollapsedAllowFlags & ~flags);
 }
 
-ImGuiWindow* ImGui::FindWindowByName(const char* name)
+ImGuiWindow* ImGui::FindWindowByID(ImGuiID id)
 {
     ImGuiContext& g = *GImGui;
-    ImGuiID id = ImHash(name, 0);
     return (ImGuiWindow*)g.WindowsById.GetVoidPtr(id);
 }
 
+ImGuiWindow* ImGui::FindWindowByName(const char* name)
+{
+    ImGuiID id = ImHash(name, 0);
+    return FindWindowByID(id);
+}
+
 static ImGuiWindow* CreateNewWindow(const char* name, ImVec2 size, ImGuiWindowFlags flags)
 {
     ImGuiContext& g = *GImGui;
@@ -4690,7 +4695,7 @@ static void ImGui::UpdateManualResize(ImGuiWindow* window, const ImVec2& size_au
         if (resize_rect.Min.y > resize_rect.Max.y) ImSwap(resize_rect.Min.y, resize_rect.Max.y);
         bool hovered, held;
         ButtonBehavior(resize_rect, window->GetID((void*)(intptr_t)resize_grip_n), &hovered, &held, ImGuiButtonFlags_FlattenChildren | ImGuiButtonFlags_NoNavFocus);
-        //GetOverlayDrawList()->AddRect(resize_rect.Min, resize_rect.Max, IM_COL32(255, 255, 0, 255));
+        //GetOverlayDrawList(window)->AddRect(resize_rect.Min, resize_rect.Max, IM_COL32(255, 255, 0, 255));
         if (hovered || held)
             g.MouseCursor = (resize_grip_n & 1) ? ImGuiMouseCursor_ResizeNESW : ImGuiMouseCursor_ResizeNWSE;
 
@@ -4715,7 +4720,7 @@ static void ImGui::UpdateManualResize(ImGuiWindow* window, const ImVec2& size_au
         bool hovered, held;
         ImRect border_rect = GetResizeBorderRect(window, border_n, grip_hover_inner_size, RESIZE_WINDOWS_FROM_EDGES_HALF_THICKNESS);
         ButtonBehavior(border_rect, window->GetID((void*)(intptr_t)(border_n + 4)), &hovered, &held, ImGuiButtonFlags_FlattenChildren);
-        //GetOverlayDrawList()->AddRect(border_rect.Min, border_rect.Max, IM_COL32(255, 255, 0, 255));
+        //GetOverlayDrawList(window)->AddRect(border_rect.Min, border_rect.Max, IM_COL32(255, 255, 0, 255));
         if ((hovered && g.HoveredIdTimer > RESIZE_WINDOWS_FROM_EDGES_FEEDBACK_TIMER) || held)
         {
             g.MouseCursor = (border_n & 1) ? ImGuiMouseCursor_ResizeEW : ImGuiMouseCursor_ResizeNS;
@@ -5424,7 +5429,7 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
         /*
         if (g.ActiveId == move_id)
             if (g.IO.KeyCtrl && IsKeyPressedMap(ImGuiKey_C))
-                ImGui::LogToClipboard();
+                LogToClipboard();
         */
 
         // Inner rectangle
@@ -5499,13 +5504,13 @@ bool ImGui::Begin(const char* name, bool* p_open, const ImVec2& size_first_use,
 {
     // Old API feature: we could pass the initial window size as a parameter. This was misleading because it only had an effect if the window didn't have data in the .ini file.
     if (size_first_use.x != 0.0f || size_first_use.y != 0.0f)
-        ImGui::SetNextWindowSize(size_first_use, ImGuiCond_FirstUseEver);
+        SetNextWindowSize(size_first_use, ImGuiCond_FirstUseEver);
 
     // Old API feature: override the window background alpha with a parameter.
     if (bg_alpha_override >= 0.0f)
-        ImGui::SetNextWindowBgAlpha(bg_alpha_override);
+        SetNextWindowBgAlpha(bg_alpha_override);
 
-    return ImGui::Begin(name, p_open, flags);
+    return Begin(name, p_open, flags);
 }
 #endif // IMGUI_DISABLE_OBSOLETE_FUNCTIONS
 
@@ -7860,7 +7865,7 @@ static bool NavScoreItem(ImGuiNavMoveResult* result, ImRect cand)
     }
     else if (g.IO.KeyCtrl) // Hold to preview score in matching quadrant. Press C to rotate.
     {
-        if (IsKeyPressedMap(ImGuiKey_C)) { g.NavMoveDirLast = (ImGuiDir)((g.NavMoveDirLast + 1) & 3); g.IO.KeysDownDuration[g.IO.KeyMap[ImGuiKey_C]] = 0.01f; }
+        if (ImGui::IsKeyPressedMap(ImGuiKey_C)) { g.NavMoveDirLast = (ImGuiDir)((g.NavMoveDirLast + 1) & 3); g.IO.KeysDownDuration[g.IO.KeyMap[ImGuiKey_C]] = 0.01f; }
         if (quadrant == g.NavMoveDir)
         {
             ImFormatString(buf, IM_ARRAYSIZE(buf), "%.0f/%.0f", dist_box, dist_center);
@@ -8247,7 +8252,7 @@ static void ImGui::NavUpdate()
     g.NavJustMovedToId = 0;
 
     // Process navigation move request
-    if (g.NavMoveRequest && (g.NavMoveResultLocal.ID != 0 || g.NavMoveResultOther.ID != 0))
+    if (g.NavMoveRequest)
         NavUpdateMoveResult();
 
     // When a forwarded move request failed, we restore the highlight that we disabled during the forward frame
@@ -8458,14 +8463,26 @@ static void ImGui::NavUpdate()
     g.NavScoringCount = 0;
 #if IMGUI_DEBUG_NAV_RECTS
     if (g.NavWindow) { for (int layer = 0; layer < 2; layer++) GetOverlayDrawList(g.NavWindow)->AddRect(g.NavWindow->Pos + g.NavWindow->NavRectRel[layer].Min, g.NavWindow->Pos + g.NavWindow->NavRectRel[layer].Max, IM_COL32(255,200,0,255)); } // [DEBUG]
-    if (g.NavWindow) { ImU32 col = (g.NavWindow->HiddenFrames == 0) ? IM_COL32(255,0,255,255) : IM_COL32(255,0,0,255); ImVec2 p = NavCalcPreferredRefPos(NULL); char buf[32]; ImFormatString(buf, 32, "%d", g.NavLayer); GetOverlayDrawList(g.NavWindow)->AddCircleFilled(p, 3.0f, col); GetOverlayDrawList(g.NavWindow)->AddText(NULL, 13.0f, p + ImVec2(8,-4), col, buf); }
+    if (g.NavWindow) { ImU32 col = (!g.NavWindow->Hidden) ? IM_COL32(255,0,255,255) : IM_COL32(255,0,0,255); ImVec2 p = NavCalcPreferredRefPos(); char buf[32]; ImFormatString(buf, 32, "%d", g.NavLayer); GetOverlayDrawList(g.NavWindow)->AddCircleFilled(p, 3.0f, col); GetOverlayDrawList(g.NavWindow)->AddText(NULL, 13.0f, p + ImVec2(8,-4), col, buf); }
 #endif
 }
 
+// Apply result from previous frame navigation directional move request
 static void ImGui::NavUpdateMoveResult()
 {
-    // Select which result to use
     ImGuiContext& g = *GImGui;
+    if (g.NavMoveResultLocal.ID == 0 && g.NavMoveResultOther.ID == 0)
+    {
+        // In a situation when there is no results but NavId != 0, re-enable the Navigation highlight (because g.NavId is not considered as a possible result)
+        if (g.NavId != 0)
+        {
+            g.NavDisableHighlight = false;
+            g.NavDisableMouseHover = true;
+        }
+        return;
+    }
+
+    // Select which result to use
     ImGuiNavMoveResult* result = (g.NavMoveResultLocal.ID != 0) ? &g.NavMoveResultLocal : &g.NavMoveResultOther;
 
     // PageUp/PageDown behavior first jumps to the bottom/top mostly visible item, _otherwise_ use the result from the previous/next page.
@@ -8495,7 +8512,6 @@ static void ImGui::NavUpdateMoveResult()
             NavScrollToBringItemIntoView(result->Window->ParentWindow, ImRect(rect_abs.Min + delta_scroll, rect_abs.Max + delta_scroll));
     }
 
-    // Apply result from previous frame navigation directional move request
     ClearActiveID();
     g.NavWindow = result->Window;
     SetNavIDWithRectRel(result->ID, g.NavLayer, result->RectRel);
diff --git a/imgui.h b/imgui.h
index d01734ce..b4062708 100644
--- a/imgui.h
+++ b/imgui.h
@@ -1,4 +1,4 @@
-// dear imgui, v1.66 WIP
+// dear imgui, v1.66
 // (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               "1.66 WIP"
-#define IMGUI_VERSION_NUM           16600
+#define IMGUI_VERSION               "1.66"
+#define IMGUI_VERSION_NUM           16601
 #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
 
diff --git a/imgui_demo.cpp b/imgui_demo.cpp
index 9117b764..d1258bc8 100644
--- a/imgui_demo.cpp
+++ b/imgui_demo.cpp
@@ -1,4 +1,4 @@
-// dear imgui, v1.66 WIP
+// dear imgui, v1.66
 // (demo code)
 
 // Message to the person tempted to delete this file when integrating Dear ImGui into their code base:
diff --git a/imgui_draw.cpp b/imgui_draw.cpp
index 5fc26120..0a68a9b6 100644
--- a/imgui_draw.cpp
+++ b/imgui_draw.cpp
@@ -1,4 +1,4 @@
-// dear imgui, v1.66 WIP
+// dear imgui, v1.66
 // (drawing and font code)
 
 /*
diff --git a/imgui_internal.h b/imgui_internal.h
index 8ceffab7..2bebf9a0 100644
--- a/imgui_internal.h
+++ b/imgui_internal.h
@@ -1,4 +1,4 @@
-// dear imgui, v1.66 WIP
+// dear imgui, v1.66
 // (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!
@@ -1181,6 +1181,7 @@ namespace ImGui
     // - You are calling ImGui functions after ImGui::EndFrame()/ImGui::Render() and before the next ImGui::NewFrame(), which is also illegal.
     inline    ImGuiWindow*  GetCurrentWindowRead()      { ImGuiContext& g = *GImGui; return g.CurrentWindow; }
     inline    ImGuiWindow*  GetCurrentWindow()          { ImGuiContext& g = *GImGui; g.CurrentWindow->WriteAccessed = true; return g.CurrentWindow; }
+    IMGUI_API ImGuiWindow*  FindWindowByID(ImGuiID id);
     IMGUI_API ImGuiWindow*  FindWindowByName(const char* name);
     IMGUI_API void          FocusWindow(ImGuiWindow* window);
     IMGUI_API void          FocusPreviousWindowIgnoringOne(ImGuiWindow* ignore_window);
diff --git a/imgui_widgets.cpp b/imgui_widgets.cpp
index ebad8621..9811b05c 100644
--- a/imgui_widgets.cpp
+++ b/imgui_widgets.cpp
@@ -1,4 +1,4 @@
-// dear imgui, v1.66 WIP
+// dear imgui, v1.66
 // (widgets code)
 
 /*
diff --git a/misc/README.txt b/misc/README.txt
index 4bd27452..ff23d7fc 100644
--- a/misc/README.txt
+++ b/misc/README.txt
@@ -1,6 +1,6 @@
 
 misc/cpp/
-  InputText() wrappers for C++ standard library (STL) types (std::string, etc.).
+  InputText() wrappers for C++ standard library (STL) type: std::string.
   This is also an example of how you may wrap your own similar types.
 
 misc/fonts/
diff --git a/misc/cpp/README.txt b/misc/cpp/README.txt
new file mode 100644
index 00000000..dedfa747
--- /dev/null
+++ b/misc/cpp/README.txt
@@ -0,0 +1,10 @@
+
+imgui_stdlib.h + imgui_stdlib.cpp
+  InputText() wrappers for C++ standard library (STL) type: std::string.
+  This is also an example of how you may wrap your own similar types.
+
+imgui_scoped.h 
+  [Experimental, not currently in main repository]
+  Additional header file with some RAII-style wrappers for common ImGui functions.
+  Try by merging: https://github.com/ocornut/imgui/pull/2197
+  Discuss at: https://github.com/ocornut/imgui/issues/2096