diff --git a/cimgui/cimgui.cpp b/cimgui/cimgui.cpp
index af27b99..bcb284d 100644
--- a/cimgui/cimgui.cpp
+++ b/cimgui/cimgui.cpp
@@ -139,6 +139,11 @@ CIMGUI_API void ig_SetNextWindowPos(CONST ImVec2 pos, ImGuiSetCond cond)
 	ImGui::SetNextWindowPos(pos, cond);
 }
 
+CIMGUI_API void ig_SetNextWindowPosCenter(ImGuiSetCond cond)
+{
+	ImGui::SetNextWindowPosCenter(cond);
+}
+
 CIMGUI_API void ig_SetNextWindowSize(CONST ImVec2 size, ImGuiSetCond cond)
 {
 	ImGui::SetNextWindowSize(size, cond);
@@ -341,6 +346,11 @@ CIMGUI_API bool				ig_BeginPopup(const char* str_id)
 	return ImGui::BeginPopup(str_id);
 }
 
+CIMGUI_API bool             ig_BeginPopupModal(CONST char* name, bool* p_opened, ImGuiWindowFlags extra_flags)
+{
+	return ImGui::BeginPopupModal(name, p_opened, extra_flags);
+}
+
 CIMGUI_API bool             ig_BeginPopupContextItem(CONST char* str_id, int mouse_button)
 {
 	return ImGui::BeginPopupContextItem(str_id, mouse_button);
@@ -843,6 +853,11 @@ CIMGUI_API bool				ig_InputText(CONST char* label, char* buf, size_t buf_size, I
 	return ImGui::InputText(label, buf, buf_size, flags, callback, user_data);
 }
 
+CIMGUI_API bool             ig_InputTextMultiline(CONST char* label, char* buf, size_t buf_size, CONST ImVec2& size, ImGuiInputTextFlags flags, ImGuiTextEditCallback callback, void* user_data)
+{
+	return ImGui::InputTextMultiline(label, buf, buf_size, size, flags, callback, user_data);
+}
+
 CIMGUI_API bool				ig_InputFloat(CONST char* label, float* v, float step, float step_fast, int decimal_precision, ImGuiInputTextFlags extra_flags)
 {
 	return ImGui::InputFloat(label, v, step, step_fast, decimal_precision, extra_flags);
@@ -941,14 +956,14 @@ CIMGUI_API void				ig_SetNextTreeNodeOpened(bool opened, ImGuiSetCond cond)
 }
 
 // Widgets: Selectable / Lists
-CIMGUI_API bool				ig_Selectable(CONST char* label, bool selected, CONST ImVec2 size)
+CIMGUI_API bool             ig_Selectable(CONST char* label, bool selected = false, ImGuiSelectableFlags flags = 0, CONST ImVec2& size = ImVec2(0,0))
 {
-	return ImGui::Selectable(label, selected, size);
+	return ImGui::Selectable(label, selected, flags, size);
 }
 
-CIMGUI_API bool				ig_SelectableEx(CONST char* label, bool* p_selected, CONST ImVec2 size)
+CIMGUI_API bool             ig_SelectableEx(CONST char* label, bool* p_selected, ImGuiSelectableFlags flags = 0, CONST ImVec2& size = ImVec2(0,0))
 {
-	return ImGui::Selectable(label,p_selected,size);
+	return ImGui::Selectable(label, p_selected, flags, size);
 }
 
 CIMGUI_API bool				ig_ListBox(CONST char* label, int* current_item, CONST char** items, int items_count, int height_in_items)
@@ -1130,6 +1145,11 @@ CIMGUI_API void	ig_GetItemRectSize(ImVec2* pOut)
 	*pOut = ImGui::GetItemRectSize();
 }
 
+CIMGUI_API bool             ig_IsWindowHovered()
+{
+	return ImGui::IsWindowHovered();
+}
+
 CIMGUI_API bool				ig_IsWindowFocused()
 {
 	return ImGui::IsWindowFocused();
@@ -1160,6 +1180,11 @@ CIMGUI_API bool				ig_IsKeyPressed(int key_index, bool repeat)
 	return ImGui::IsKeyPressed(key_index,repeat);
 }
 
+CIMGUI_API bool             ig_IsKeyReleased(int key_index)
+{
+	return ImGui::IsKeyReleased(key_index);
+}
+
 CIMGUI_API bool             ig_IsMouseDown(int button)
 {
 	return ImGui::IsMouseDown(button);
@@ -1175,6 +1200,11 @@ CIMGUI_API bool				ig_IsMouseDoubleClicked(int button)
 	return ImGui::IsMouseDoubleClicked(button);
 }
 
+CIMGUI_API bool             ig_IsMouseReleased(int button)
+{
+	return ImGui::IsMouseReleased(button);
+}
+
 CIMGUI_API bool				ig_IsMouseHoveringWindow()
 {
 	return ImGui::IsMouseHoveringWindow();
@@ -1254,9 +1284,9 @@ CIMGUI_API void				ig_CalcListClipping(int items_count, float items_height, int*
 	ImGui::CalcListClipping(items_count,items_height,out_items_display_start,out_items_display_end);
 }
 
-CIMGUI_API void				ig_BeginChildFrame(ImGuiID id, CONST ImVec2 size)
+CIMGUI_API bool				ig_BeginChildFrame(ImGuiID id, CONST ImVec2 size)
 {
-	ImGui::BeginChildFrame(id, size);
+	return ImGui::BeginChildFrame(id, size);
 }
 
 CIMGUI_API void				ig_EndChildFrame()
diff --git a/cimgui/cimgui.h b/cimgui/cimgui.h
index 1bb14eb..3670a51 100644
--- a/cimgui/cimgui.h
+++ b/cimgui/cimgui.h
@@ -53,6 +53,7 @@ CIMGUI_API float            ig_GetWindowWidth();
 CIMGUI_API bool             ig_IsWindowCollapsed();
 
 CIMGUI_API void             ig_SetNextWindowPos(CONST struct ImVec2 pos, ImGuiSetCond cond);
+CIMGUI_API void             ig_SetNextWindowPosCenter(ImGuiSetCond cond = 0);
 CIMGUI_API void             ig_SetNextWindowSize(CONST struct ImVec2 size, ImGuiSetCond cond);
 CIMGUI_API void             ig_SetNextWindowCollapsed(bool collapsed, ImGuiSetCond cond);
 CIMGUI_API void             ig_SetNextWindowFocus();
@@ -102,6 +103,7 @@ CIMGUI_API void             ig_EndTooltip();
 // Popup
 CIMGUI_API void             ig_OpenPopup(CONST char* str_id);
 CIMGUI_API bool             ig_BeginPopup(CONST char* str_id);
+CIMGUI_API bool             ig_BeginPopupModal(CONST char* name, bool* p_opened = NULL, ImGuiWindowFlags extra_flags = 0);
 CIMGUI_API bool             ig_BeginPopupContextItem(CONST char* str_id, int mouse_button = 1);
 CIMGUI_API bool             ig_BeginPopupContextWindow(bool also_over_items = true, CONST char* str_id = NULL, int mouse_button = 1);
 CIMGUI_API bool             ig_BeginPopupContextVoid(CONST char* str_id = NULL, int mouse_button = 1);
@@ -212,6 +214,7 @@ CIMGUI_API bool             ig_DragInt4(CONST char* label, int v[4], float v_spe
 
 // Widgets: Input
 CIMGUI_API bool             ig_InputText(CONST char* label, char* buf, size_t buf_size, ImGuiInputTextFlags flags, ImGuiTextEditCallback callback, void* user_data);
+CIMGUI_API bool             ig_InputTextMultiline(CONST char* label, char* buf, size_t buf_size, CONST ImVec2& size = ImVec2(0,0), ImGuiInputTextFlags flags = 0, ImGuiTextEditCallback callback = NULL, void* user_data = NULL);
 CIMGUI_API bool             ig_InputFloat(CONST char* label, float* v, float step, float step_fast, int decimal_precision, ImGuiInputTextFlags extra_flags);
 CIMGUI_API bool             ig_InputFloat2(CONST char* label, float v[2], int decimal_precision, ImGuiInputTextFlags extra_flags);
 CIMGUI_API bool             ig_InputFloat3(CONST char* label, float v[3], int decimal_precision, ImGuiInputTextFlags extra_flags);
@@ -233,8 +236,8 @@ CIMGUI_API void             ig_TreePop();
 CIMGUI_API void             ig_SetNextTreeNodeOpened(bool opened, ImGuiSetCond cond);
 
 // Widgets: Selectable / Lists
-CIMGUI_API bool             ig_Selectable(CONST char* label, bool selected, CONST struct ImVec2 size);
-CIMGUI_API bool             ig_SelectableEx(CONST char* label, bool* p_selected, CONST struct ImVec2 size);
+CIMGUI_API bool             ig_Selectable(CONST char* label, bool selected = false, ImGuiSelectableFlags flags = 0, CONST ImVec2& size = ImVec2(0,0));
+CIMGUI_API bool             ig_SelectableEx(CONST char* label, bool* p_selected, ImGuiSelectableFlags flags = 0, CONST ImVec2& size = ImVec2(0,0));
 CIMGUI_API bool             ig_ListBox(CONST char* label, int* current_item, CONST char** items, int items_count, int height_in_items);
 CIMGUI_API bool             ig_ListBox2(CONST char* label, int* current_item, bool(*items_getter)(void* data, int idx, CONST char** out_text), void* data, int items_count, int height_in_items);
 CIMGUI_API bool             ig_ListBoxHeader(CONST char* label, CONST struct ImVec2 size);
@@ -278,15 +281,18 @@ CIMGUI_API bool             ig_IsAnyItemActive();
 CIMGUI_API void             ig_GetItemRectMin(struct ImVec2* pOut);
 CIMGUI_API void             ig_GetItemRectMax(struct ImVec2* pOut);
 CIMGUI_API void             ig_GetItemRectSize(struct ImVec2* pOut);
+CIMGUI_API bool             ig_IsWindowHovered();
 CIMGUI_API bool             ig_IsWindowFocused();
 CIMGUI_API bool             ig_IsRootWindowFocused();
 CIMGUI_API bool             ig_IsRootWindowOrAnyChildFocused();
 CIMGUI_API bool             ig_IsRectVisible(CONST struct ImVec2 item_size);
 CIMGUI_API bool             ig_IsKeyDown(int key_index);
 CIMGUI_API bool             ig_IsKeyPressed(int key_index, bool repeat);
+CIMGUI_API bool             ig_IsKeyReleased(int key_index);
 CIMGUI_API bool             ig_IsMouseDown(int button);
 CIMGUI_API bool             ig_IsMouseClicked(int button, bool repeat);
 CIMGUI_API bool             ig_IsMouseDoubleClicked(int button);
+CIMGUI_API bool             ig_IsMouseReleased(int button);
 CIMGUI_API bool             ig_IsMouseHoveringWindow();
 CIMGUI_API bool             ig_IsMouseHoveringAnyWindow();
 CIMGUI_API bool             ig_IsMouseHoveringRect(CONST struct ImVec2 rect_min, CONST struct ImVec2 rect_max);
@@ -304,7 +310,7 @@ CIMGUI_API void             ig_CalcItemRectClosestPoint(struct ImVec2* pOut, CON
 CIMGUI_API void             ig_CalcTextSize(struct ImVec2* pOut, CONST char* text, CONST char* text_end, bool hide_text_after_double_hash, float wrap_width);
 CIMGUI_API void             ig_CalcListClipping(int items_count, float items_height, int* out_items_display_start, int* out_items_display_end);
 
-CIMGUI_API void             ig_BeginChildFrame(ImGuiID id, CONST struct ImVec2 size);
+CIMGUI_API bool             ig_BeginChildFrame(ImGuiID id, CONST struct ImVec2 size);
 CIMGUI_API void             ig_EndChildFrame();
 
 CIMGUI_API ImU32            ig_ColorConvertFloat4ToU32(CONST struct ImVec4 in);
diff --git a/imgui b/imgui
index 931b8dc..f66be0e 160000
--- a/imgui
+++ b/imgui
@@ -1 +1 @@
-Subproject commit 931b8dcdaf63c82c8b7df888bbf1c156442aef29
+Subproject commit f66be0e7b2cde427ba34772b9f30d27fd4c00df9