imgui: update imgui to head of docking branch (v1.92.8) (#756)

## Tested: - [x] LDJ with sub - [x] sdvx - [x] dx11 game
2026-08-02 14:50:41 -07:00 · 2026-06-15 10:40:38 -07:00
parent cc9df27569
commit 6280ac3b0a
11 changed files with 1403 additions and 692 deletions
@@ -1,4 +1,4 @@
-// dear imgui, v1.92.7
+// dear imgui, v1.92.9 WIP
 // (widgets code)

 /*
@@ -92,6 +92,7 @@ Index of this file:
 #pragma GCC diagnostic ignored "-Wstrict-overflow"                  // warning: assuming signed overflow does not occur when simplifying division / ..when changing X +- C1 cmp C2 to X cmp C2 -+ C1
 #pragma GCC diagnostic ignored "-Wclass-memaccess"                  // [__GNUC__ >= 8] warning: 'memset/memcpy' clearing/writing an object of type 'xxxx' with no trivial copy-assignment; use assignment or value-initialization instead
 #pragma GCC diagnostic ignored "-Wcast-qual"                        // warning: cast from type 'const xxxx *' to type 'xxxx *' casts away qualifiers
+#pragma GCC diagnostic ignored "-Wconversion"                       // warning: conversion to 'xxxx' from 'xxxx' may change value
 #pragma GCC diagnostic ignored "-Wsign-conversion"                  // warning: conversion to 'xxxx' from 'xxxx' may change the sign of the result
 #endif

@@ -265,6 +266,8 @@ void ImGui::TextEx(const char* text, const char* text_end, ImGuiTextFlags flags)
    }
 }

+// Note that all functions taking format strings in the API may be passed ("%s", text) or ("%.*s", text_len, text),
+// which will automatically bypass the formatter.
 void ImGui::TextUnformatted(const char* text, const char* text_end)
 {
    TextEx(text, text_end, ImGuiTextFlags_NoWidthForLargeClippedText);
@@ -401,7 +404,8 @@ void ImGui::LabelTextV(const char* label, const char* fmt, va_list args)
    const char* value_text_begin, *value_text_end;
    ImFormatStringToTempBufferV(&value_text_begin, &value_text_end, fmt, args);
    const ImVec2 value_size = CalcTextSize(value_text_begin, value_text_end, false);
-    const ImVec2 label_size = CalcTextSize(label, NULL, true);
+    const char* label_end = FindRenderedTextEnd(label);
+    const ImVec2 label_size = CalcTextSize(label, label_end, false);

    const ImVec2 pos = window->DC.CursorPos;
    const ImRect value_bb(pos, pos + ImVec2(w, value_size.y + style.FramePadding.y * 2));
@@ -413,7 +417,7 @@ void ImGui::LabelTextV(const char* label, const char* fmt, va_list args)
    // Render
    RenderTextClipped(value_bb.Min + style.FramePadding, value_bb.Max, value_text_begin, value_text_end, &value_size, ImVec2(0.0f, 0.0f));
    if (label_size.x > 0.0f)
-        RenderText(ImVec2(value_bb.Max.x + style.ItemInnerSpacing.x, value_bb.Min.y + style.FramePadding.y), label);
+        RenderText(ImVec2(value_bb.Max.x + style.ItemInnerSpacing.x, value_bb.Min.y + style.FramePadding.y), label, label_end, false);
 }

 void ImGui::BulletText(const char* fmt, ...)
@@ -788,7 +792,8 @@ bool ImGui::ButtonEx(const char* label, const ImVec2& size_arg, ImGuiButtonFlags
    ImGuiContext& g = *GImGui;
    const ImGuiStyle& style = g.Style;
    const ImGuiID id = window->GetID(label);
-    const ImVec2 label_size = CalcTextSize(label, NULL, true);
+    const char* label_end = FindRenderedTextEnd(label);
+    const ImVec2 label_size = CalcTextSize(label, label_end, false);

    ImVec2 pos = window->DC.CursorPos;
    if ((flags & ImGuiButtonFlags_AlignTextBaseLine) && style.FramePadding.y < window->DC.CurrLineTextBaseOffset) // Try to vertically align buttons that are smaller/have no padding so that text baseline matches (bit hacky, since it shouldn't be a flag)
@@ -810,7 +815,7 @@ bool ImGui::ButtonEx(const char* label, const ImVec2& size_arg, ImGuiButtonFlags

    if (g.LogEnabled)
        LogSetNextTextDecoration("[", "]");
-    RenderTextClipped(bb.Min + style.FramePadding, bb.Max - style.FramePadding, label, NULL, &label_size, style.ButtonTextAlign, &bb);
+    RenderTextClipped(bb.Min + style.FramePadding, bb.Max - style.FramePadding, label, label_end, &label_size, style.ButtonTextAlign, &bb);

    // Automatically close popups
    //if (pressed && !(flags & ImGuiButtonFlags_DontClosePopups) && (window->Flags & ImGuiWindowFlags_Popup))
@@ -981,7 +986,7 @@ ImRect ImGui::GetWindowScrollbarRect(ImGuiWindow* window, ImGuiAxis axis)
    const float scrollbar_size = window->ScrollbarSizes[axis ^ 1]; // (ScrollbarSizes.x = width of Y scrollbar; ScrollbarSizes.y = height of X scrollbar)
    IM_ASSERT(scrollbar_size >= 0.0f);
    const float border_size = IM_ROUND(window->WindowBorderSize * 0.5f);
-    const float border_top = (window->Flags & ImGuiWindowFlags_MenuBar) ? IM_ROUND(g.Style.FrameBorderSize * 0.5f) : 0.0f;
+    const float border_top = (window->Flags & ImGuiWindowFlags_MenuBar) ? IM_ROUND(g.Style.FrameBorderSize * 0.5f) : (window->Flags & ImGuiWindowFlags_NoTitleBar) ? border_size : 0;
    if (axis == ImGuiAxis_X)
        return ImRect(inner_rect.Min.x + border_size, ImMax(outer_rect.Min.y + border_size, outer_rect.Max.y - border_size - scrollbar_size), inner_rect.Max.x - border_size, outer_rect.Max.y - border_size);
    else
@@ -1155,7 +1160,7 @@ void ImGui::ImageWithBg(ImTextureRef tex_ref, const ImVec2& image_size, const Im
    else
        window->DrawList->AddImage(tex_ref, bb.Min + padding, bb.Max - padding, uv0, uv1, GetColorU32(tint_col));
    if (g.Style.ImageBorderSize > 0.0f)
-        window->DrawList->AddRect(bb.Min, bb.Max, GetColorU32(ImGuiCol_Border), rounding, ImDrawFlags_None, g.Style.ImageBorderSize);
+        window->DrawList->AddRect(bb.Min, bb.Max, GetColorU32(ImGuiCol_Border), rounding, g.Style.ImageBorderSize);
 }

 void ImGui::Image(ImTextureRef tex_ref, const ImVec2& image_size, const ImVec2& uv0, const ImVec2& uv1)
@@ -1250,7 +1255,8 @@ bool ImGui::Checkbox(const char* label, bool* v)
    ImGuiContext& g = *GImGui;
    const ImGuiStyle& style = g.Style;
    const ImGuiID id = window->GetID(label);
-    const ImVec2 label_size = CalcTextSize(label, NULL, true);
+    const char* label_end = FindRenderedTextEnd(label);
+    const ImVec2 label_size = CalcTextSize(label, label_end, false);

    const float square_sz = GetFrameHeight();
    const ImVec2 pos = window->DC.CursorPos;
@@ -1291,8 +1297,9 @@ bool ImGui::Checkbox(const char* label, bool* v)
    if (is_visible)
    {
        RenderNavCursor(total_bb, id);
-        RenderFrame(check_bb.Min, check_bb.Max, GetColorU32((held && hovered) ? ImGuiCol_FrameBgActive : hovered ? ImGuiCol_FrameBgHovered : ImGuiCol_FrameBg), true, style.FrameRounding);
+        ImU32 bg_col = GetColorU32((held && hovered) ? ImGuiCol_FrameBgActive : hovered ? ImGuiCol_FrameBgHovered : (mixed_value || checked) ? ImGuiCol_CheckboxSelectedBg : ImGuiCol_FrameBg);
        ImU32 check_col = GetColorU32(ImGuiCol_CheckMark);
+        RenderFrame(check_bb.Min, check_bb.Max, bg_col, true, style.FrameRounding);
        if (mixed_value)
        {
            // Undocumented tristate/mixed/indeterminate checkbox (#2644)
@@ -1310,7 +1317,7 @@ bool ImGui::Checkbox(const char* label, bool* v)
    if (g.LogEnabled)
        LogRenderedText(&label_pos, mixed_value ? "[~]" : *v ? "[x]" : "[ ]");
    if (is_visible && label_size.x > 0.0f)
-        RenderText(label_pos, label);
+        RenderText(label_pos, label, label_end, false);

    IMGUI_TEST_ENGINE_ITEM_INFO(id, label, g.LastItemData.StatusFlags | ImGuiItemStatusFlags_Checkable | (*v ? ImGuiItemStatusFlags_Checked : 0));
    return pressed;
@@ -1372,7 +1379,8 @@ bool ImGui::RadioButton(const char* label, bool active)
    ImGuiContext& g = *GImGui;
    const ImGuiStyle& style = g.Style;
    const ImGuiID id = window->GetID(label);
-    const ImVec2 label_size = CalcTextSize(label, NULL, true);
+    const char* label_end = FindRenderedTextEnd(label);
+    const ImVec2 label_size = CalcTextSize(label, label_end, false);

    const float square_sz = GetFrameHeight();
    const ImVec2 pos = window->DC.CursorPos;
@@ -1411,7 +1419,7 @@ bool ImGui::RadioButton(const char* label, bool active)
    if (g.LogEnabled)
        LogRenderedText(&label_pos, active ? "(x)" : "( )");
    if (label_size.x > 0.0f)
-        RenderText(label_pos, label);
+        RenderText(label_pos, label, label_end, false);

    IMGUI_TEST_ENGINE_ITEM_INFO(id, label, g.LastItemData.StatusFlags);
    return pressed;
@@ -1527,7 +1535,7 @@ bool ImGui::TextLink(const char* label)
    const char* label_end = FindRenderedTextEnd(label);

    ImVec2 pos(window->DC.CursorPos.x, window->DC.CursorPos.y + window->DC.CurrLineTextBaseOffset);
-    ImVec2 size = CalcTextSize(label, label_end, true);
+    ImVec2 size = CalcTextSize(label, label_end, false);
    ImRect bb(pos, pos + size);
    ItemSize(size, 0.0f);
    if (!ItemAdd(bb, id))
@@ -1558,10 +1566,10 @@ bool ImGui::TextLink(const char* label)
    }

    float line_y = bb.Max.y + ImFloor(g.FontBaked->Descent * g.FontBakedScale * 0.20f);
-    window->DrawList->AddLine(ImVec2(bb.Min.x, line_y), ImVec2(bb.Max.x, line_y), GetColorU32(line_colf), 1.0f * (float)(int)g.Style._MainScale); // FIXME-TEXT: Underline mode // FIXME-DPI
+    window->DrawList->AddLineH(bb.Min.x, bb.Max.x, line_y, GetColorU32(line_colf), 1.0f * (float)(int)g.Style._MainScale); // FIXME-TEXT: Underline mode // FIXME-DPI

    PushStyleColor(ImGuiCol_Text, GetColorU32(text_colf));
-    RenderText(bb.Min, label, label_end);
+    RenderText(bb.Min, label, label_end, false);
    PopStyleColor();

    IMGUI_TEST_ENGINE_ITEM_INFO(id, label, g.LastItemData.StatusFlags);
@@ -1731,7 +1739,7 @@ void ImGui::Separator()
    if (window->DC.CurrentColumns)
        flags |= ImGuiSeparatorFlags_SpanAllColumns;

-    SeparatorEx(flags, g.Style.SeparatorSize);
+    SeparatorEx(flags, ImMax(g.Style.SeparatorSize, 1.0f));
 }

 void ImGui::SeparatorTextEx(ImGuiID id, const char* label, const char* label_end, float extra_w)
@@ -1747,14 +1755,14 @@ void ImGui::SeparatorTextEx(ImGuiID id, const char* label, const char* label_end
    const float separator_thickness = style.SeparatorTextBorderSize;
    const ImVec2 min_size(label_size.x + extra_w + padding.x * 2.0f, ImMax(label_size.y + padding.y * 2.0f, separator_thickness));
    const ImRect bb(pos, ImVec2(window->WorkRect.Max.x, pos.y + min_size.y));
-    const float text_baseline_y = ImTrunc((bb.GetHeight() - label_size.y) * style.SeparatorTextAlign.y + 0.99999f); //ImMax(padding.y, ImTrunc((style.SeparatorTextSize - label_size.y) * 0.5f));
+    const float text_baseline_y = ImTrunc((bb.GetHeight() - label_size.y) * style.SeparatorTextAlign.y + 0.999f); //ImMax(padding.y, ImTrunc((style.SeparatorTextSize - label_size.y) * 0.5f));
    ItemSize(min_size, text_baseline_y);
    if (!ItemAdd(bb, id))
        return;

    const float sep1_x1 = pos.x;
    const float sep2_x2 = bb.Max.x;
-    const float seps_y = ImTrunc((bb.Min.y + bb.Max.y) * 0.5f + 0.99999f);
+    const float seps_y = ImTrunc((bb.Min.y + bb.Max.y) * 0.5f + 0.999f);

    const float label_avail_w = ImMax(0.0f, sep2_x2 - sep1_x1 - padding.x * 2.0f);
    const ImVec2 label_pos(pos.x + padding.x + ImMax(0.0f, (label_avail_w - label_size.x - extra_w) * style.SeparatorTextAlign.x), pos.y + text_baseline_y); // FIXME-ALIGN
@@ -1768,9 +1776,9 @@ void ImGui::SeparatorTextEx(ImGuiID id, const char* label, const char* label_end
        const float sep1_x2 = label_pos.x - style.ItemSpacing.x;
        const float sep2_x1 = label_pos.x + label_size.x + extra_w + style.ItemSpacing.x;
        if (sep1_x2 > sep1_x1 && separator_thickness > 0.0f)
-            window->DrawList->AddLine(ImVec2(sep1_x1, seps_y), ImVec2(sep1_x2, seps_y), separator_col, separator_thickness);
+            window->DrawList->AddLineH(sep1_x1, sep1_x2, seps_y, separator_col, separator_thickness);
        if (sep2_x2 > sep2_x1 && separator_thickness > 0.0f)
-            window->DrawList->AddLine(ImVec2(sep2_x1, seps_y), ImVec2(sep2_x2, seps_y), separator_col, separator_thickness);
+            window->DrawList->AddLineH(sep2_x1, sep2_x2, seps_y, separator_col, separator_thickness);
        if (g.LogEnabled)
            LogSetNextTextDecoration("---", NULL);
        RenderTextEllipsis(window->DrawList, label_pos, ImVec2(bb.Max.x, bb.Max.y + style.ItemSpacing.y), bb.Max.x, label, label_end, &label_size);
@@ -1780,7 +1788,7 @@ void ImGui::SeparatorTextEx(ImGuiID id, const char* label, const char* label_end
        if (g.LogEnabled)
            LogText("---");
        if (separator_thickness > 0.0f)
-            window->DrawList->AddLine(ImVec2(sep1_x1, seps_y), ImVec2(sep2_x2, seps_y), separator_col, separator_thickness);
+            window->DrawList->AddLineH(sep1_x1, sep2_x2, seps_y, separator_col, separator_thickness);
    }
 }

@@ -1951,8 +1959,9 @@ bool ImGui::BeginCombo(const char* label, const char* preview_value, ImGuiComboF
        IM_ASSERT((flags & (ImGuiComboFlags_NoPreview | (ImGuiComboFlags)ImGuiComboFlags_CustomPreview)) == 0);

    const float arrow_size = (flags & ImGuiComboFlags_NoArrowButton) ? 0.0f : GetFrameHeight();
-    const ImVec2 label_size = CalcTextSize(label, NULL, true);
-    const float preview_width = ((flags & ImGuiComboFlags_WidthFitPreview) && (preview_value != NULL)) ? CalcTextSize(preview_value, NULL, true).x : 0.0f;
+    const char* label_end = FindRenderedTextEnd(label);
+    const ImVec2 label_size = CalcTextSize(label, label_end, false);
+    const float preview_width = ((flags & ImGuiComboFlags_WidthFitPreview) && (preview_value != NULL)) ? CalcTextSize(preview_value, NULL, false).x : 0.0f;
    const float w = (flags & ImGuiComboFlags_NoPreview) ? arrow_size : ((flags & ImGuiComboFlags_WidthFitPreview) ? (arrow_size + preview_width + style.FramePadding.x * 2.0f) : CalcItemWidth());
    const ImRect bb(window->DC.CursorPos, window->DC.CursorPos + ImVec2(w, label_size.y + style.FramePadding.y * 2.0f));
    const ImRect total_bb(bb.Min, bb.Max + ImVec2(label_size.x > 0.0f ? style.ItemInnerSpacing.x + label_size.x : 0.0f, 0.0f));
@@ -2003,7 +2012,7 @@ bool ImGui::BeginCombo(const char* label, const char* preview_value, ImGuiComboF
        RenderTextClipped(bb.Min + style.FramePadding, ImVec2(value_x2, bb.Max.y), preview_value, NULL, NULL);
    }
    if (label_size.x > 0)
-        RenderText(ImVec2(bb.Max.x + style.ItemInnerSpacing.x, bb.Min.y + style.FramePadding.y), label);
+        RenderText(ImVec2(bb.Max.x + style.ItemInnerSpacing.x, bb.Min.y + style.FramePadding.y), label, label_end, false);

    if (!popup_open)
        return false;
@@ -2376,12 +2385,17 @@ bool ImGui::DataTypeApplyFromText(const char* buf, ImGuiDataType data_type, void

    // Sanitize format
    // - For float/double we have to ignore format with precision (e.g. "%.2f") because sscanf doesn't take them in, so force them into %f and %lf
-    // - In theory could treat empty format as using default, but this would only cover rare/bizarre case of using InputScalar() + integer + format string without %.
    char format_sanitized[32];
    if (data_type == ImGuiDataType_Float || data_type == ImGuiDataType_Double)
+    {
        format = type_info->ScanFmt;
+    }
    else
+    {
        format = ImParseFormatSanitizeForScanning(format, format_sanitized, IM_COUNTOF(format_sanitized));
+        if (format[0] == '\0')
+            format = type_info->ScanFmt; // Format doesn't want us to show the number currently, but we still need to parse the resulting input
+    }

    // Small types need a 32-bit buffer to receive the result from scanf()
    int v32 = 0;
@@ -2716,7 +2730,8 @@ bool ImGui::DragScalar(const char* label, ImGuiDataType data_type, void* p_data,
    const float w = CalcItemWidth();
    const ImU32 color_marker = (g.NextItemData.HasFlags & ImGuiNextItemDataFlags_HasColorMarker) ? g.NextItemData.ColorMarker : 0;

-    const ImVec2 label_size = CalcTextSize(label, NULL, true);
+    const char* label_end = FindRenderedTextEnd(label);
+    const ImVec2 label_size = CalcTextSize(label, label_end, false);
    const ImRect frame_bb(window->DC.CursorPos, window->DC.CursorPos + ImVec2(w, label_size.y + style.FramePadding.y * 2.0f));
    const ImRect total_bb(frame_bb.Min, frame_bb.Max + ImVec2(label_size.x > 0.0f ? style.ItemInnerSpacing.x + label_size.x : 0.0f, 0.0f));

@@ -2792,7 +2807,7 @@ bool ImGui::DragScalar(const char* label, ImGuiDataType data_type, void* p_data,
    RenderTextClipped(frame_bb.Min, frame_bb.Max, value_buf, value_buf_end, NULL, ImVec2(0.5f, 0.5f));

    if (label_size.x > 0.0f)
-        RenderText(ImVec2(frame_bb.Max.x + style.ItemInnerSpacing.x, frame_bb.Min.y + style.FramePadding.y), label);
+        RenderText(ImVec2(frame_bb.Max.x + style.ItemInnerSpacing.x, frame_bb.Min.y + style.FramePadding.y), label, label_end, false);

    IMGUI_TEST_ENGINE_ITEM_INFO(id, label, g.LastItemData.StatusFlags | (temp_input_allowed ? ImGuiItemStatusFlags_Inputable : 0));
    return value_changed;
@@ -3317,7 +3332,8 @@ bool ImGui::SliderScalar(const char* label, ImGuiDataType data_type, void* p_dat
    const float w = CalcItemWidth();
    const ImU32 color_marker = (g.NextItemData.HasFlags & ImGuiNextItemDataFlags_HasColorMarker) ? g.NextItemData.ColorMarker : 0;

-    const ImVec2 label_size = CalcTextSize(label, NULL, true);
+    const char* label_end = FindRenderedTextEnd(label);
+    const ImVec2 label_size = CalcTextSize(label, label_end, false);
    const ImRect frame_bb(window->DC.CursorPos, window->DC.CursorPos + ImVec2(w, label_size.y + style.FramePadding.y * 2.0f));
    const ImRect total_bb(frame_bb.Min, frame_bb.Max + ImVec2(label_size.x > 0.0f ? style.ItemInnerSpacing.x + label_size.x : 0.0f, 0.0f));

@@ -3389,7 +3405,7 @@ bool ImGui::SliderScalar(const char* label, ImGuiDataType data_type, void* p_dat
    RenderTextClipped(frame_bb.Min, frame_bb.Max, value_buf, value_buf_end, NULL, ImVec2(0.5f, 0.5f));

    if (label_size.x > 0.0f)
-        RenderText(ImVec2(frame_bb.Max.x + style.ItemInnerSpacing.x, frame_bb.Min.y + style.FramePadding.y), label);
+        RenderText(ImVec2(frame_bb.Max.x + style.ItemInnerSpacing.x, frame_bb.Min.y + style.FramePadding.y), label, label_end, false);

    IMGUI_TEST_ENGINE_ITEM_INFO(id, label, g.LastItemData.StatusFlags | (temp_input_allowed ? ImGuiItemStatusFlags_Inputable : 0));
    return value_changed;
@@ -3494,7 +3510,8 @@ bool ImGui::VSliderScalar(const char* label, const ImVec2& size, ImGuiDataType d
    const ImGuiStyle& style = g.Style;
    const ImGuiID id = window->GetID(label);

-    const ImVec2 label_size = CalcTextSize(label, NULL, true);
+    const char* label_end = FindRenderedTextEnd(label);
+    const ImVec2 label_size = CalcTextSize(label, label_end, false);
    const ImRect frame_bb(window->DC.CursorPos, window->DC.CursorPos + size);
    const ImRect bb(frame_bb.Min, frame_bb.Max + ImVec2(label_size.x > 0.0f ? style.ItemInnerSpacing.x + label_size.x : 0.0f, 0.0f));

@@ -3539,8 +3556,9 @@ bool ImGui::VSliderScalar(const char* label, const ImVec2& size, ImGuiDataType d
    const char* value_buf_end = value_buf + DataTypeFormatString(value_buf, IM_COUNTOF(value_buf), data_type, p_data, format);
    RenderTextClipped(ImVec2(frame_bb.Min.x, frame_bb.Min.y + style.FramePadding.y), frame_bb.Max, value_buf, value_buf_end, NULL, ImVec2(0.5f, 0.0f));
    if (label_size.x > 0.0f)
-        RenderText(ImVec2(frame_bb.Max.x + style.ItemInnerSpacing.x, frame_bb.Min.y + style.FramePadding.y), label);
+        RenderText(ImVec2(frame_bb.Max.x + style.ItemInnerSpacing.x, frame_bb.Min.y + style.FramePadding.y), label, label_end, false);

+    IMGUI_TEST_ENGINE_ITEM_INFO(id, label, g.LastItemData.StatusFlags);
    return value_changed;
 }

@@ -3563,7 +3581,8 @@ bool ImGui::VSliderInt(const char* label, const ImVec2& size, int* v, int v_min,
 // - ImParseFormatSanitizeForPrinting() [Internal]
 // - ImParseFormatSanitizeForScanning() [Internal]
 // - ImParseFormatPrecision() [Internal]
-// - TempInputTextScalar() [Internal]
+// - TempInputText() [Internal]
+// - TempInputScalar() [Internal]
 // - InputScalar()
 // - InputScalarN()
 // - InputFloat()
@@ -3792,7 +3811,7 @@ bool ImGui::InputScalar(const char* label, ImGuiDataType data_type, void* p_data

    ImGuiContext& g = *GImGui;
    ImGuiStyle& style = g.Style;
-    IM_ASSERT((flags & ImGuiInputTextFlags_EnterReturnsTrue) == 0); // Not supported by InputScalar(). Please open an issue if you this would be useful to you. Otherwise use IsItemDeactivatedAfterEdit()!
+    //IM_ASSERT((flags & ImGuiInputTextFlags_EnterReturnsTrue) == 0); // Not supported by InputScalar(). Please open an issue if you this would be useful to you. Otherwise use IsItemDeactivatedAfterEdit()!

    if (format == NULL)
        format = DataTypeGetInfo(data_type)->PrintFmt;
@@ -3829,7 +3848,8 @@ bool ImGui::InputScalar(const char* label, ImGuiDataType data_type, void* p_data
    }

    // Apply
-    bool value_changed = ret ? DataTypeApplyFromText(buf, data_type, p_data, format, (flags & ImGuiInputTextFlags_ParseEmptyRefVal) ? p_data_default : NULL) : false;
+    bool input_edited = (g.LastItemData.StatusFlags & ImGuiItemStatusFlags_EditedInternal) != 0; // We would be using 'ret' if ImGuiInputTextFlags_EnterReturnsTrue was not involved.
+    bool value_changed = input_edited ? DataTypeApplyFromText(buf, data_type, p_data, format, (flags & ImGuiInputTextFlags_ParseEmptyRefVal) ? p_data_default : NULL) : false;

    // Step buttons
    if (has_step_buttons)
@@ -3843,13 +3863,13 @@ bool ImGui::InputScalar(const char* label, ImGuiDataType data_type, void* p_data
        if (ButtonEx("-", ImVec2(button_size, button_size)))
        {
            DataTypeApplyOp(data_type, '-', p_data, p_data, g.IO.KeyCtrl && p_step_fast ? p_step_fast : p_step);
-            value_changed = true;
+            value_changed = ret = true;
        }
        SameLine(0, style.ItemInnerSpacing.x);
        if (ButtonEx("+", ImVec2(button_size, button_size)))
        {
            DataTypeApplyOp(data_type, '+', p_data, p_data, g.IO.KeyCtrl && p_step_fast ? p_step_fast : p_step);
-            value_changed = true;
+            value_changed = ret = true;
        }
        PopItemFlag();
        if (flags & ImGuiInputTextFlags_ReadOnly)
@@ -3871,6 +3891,8 @@ bool ImGui::InputScalar(const char* label, ImGuiDataType data_type, void* p_data
    if (value_changed)
        MarkItemEdited(g.LastItemData.ID);

+    if (flags & ImGuiInputTextFlags_EnterReturnsTrue)
+        return ret;
    return value_changed;
 }

@@ -4520,6 +4542,9 @@ static bool InputTextFilterCharacter(ImGuiContext* ctx, ImGuiInputTextState* sta
        callback_data.EventFlag = ImGuiInputTextFlags_CallbackCharFilter;
        callback_data.EventChar = (ImWchar)c;
        callback_data.EventActivated = (g.ActiveId == state->ID && g.ActiveIdIsJustActivated);
+        callback_data.CursorPos = state->Stb->cursor;
+        callback_data.SelectionStart = state->Stb->select_start;
+        callback_data.SelectionEnd = state->Stb->select_end;
        callback_data.UserData = user_data;
        if (callback(&callback_data) != 0)
            return false;
@@ -4568,6 +4593,7 @@ void ImGui::InputTextDeactivateHook(ImGuiID id)
    ImGuiInputTextState* state = &g.InputTextState;
    if (id == 0 || state->ID != id)
        return;
+    //IMGUI_DEBUG_LOG_ACTIVEID("InputTextDeactivateHook() id = 0x%08X\n", id);
    g.InputTextDeactivatedState.ID = state->ID;
    if (state->Flags & ImGuiInputTextFlags_ReadOnly)
    {
@@ -4702,7 +4728,8 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
    if (is_multiline) // Open group before calling GetID() because groups tracks id created within their scope (including the scrollbar)
        BeginGroup();
    const ImGuiID id = window->GetID(label);
-    const ImVec2 label_size = CalcTextSize(label, NULL, true);
+    const char* label_end = FindRenderedTextEnd(label);
+    const ImVec2 label_size = CalcTextSize(label, label_end, false);
    const ImVec2 frame_size = CalcItemSize(size_arg, CalcItemWidth(), (is_multiline ? g.FontSize * 8.0f : label_size.y) + style.FramePadding.y * 2.0f); // Arbitrary default of 8 lines high for multi-line
    const ImVec2 total_size = ImVec2(frame_size.x + (label_size.x > 0.0f ? style.ItemInnerSpacing.x + label_size.x : 0.0f), frame_size.y);

@@ -4716,7 +4743,8 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
    {
        ImVec2 backup_pos = window->DC.CursorPos;
        ItemSize(total_bb, style.FramePadding.y);
-        if (!ItemAdd(total_bb, id, &frame_bb, ImGuiItemFlags_Inputable))
+        bool no_clip = (g.InputTextDeactivatedState.ID == id) || (g.ActiveId == id) || (id == g.NavActivateId); // Mimic some of ItemAdd() logic + add InputTextDeactivatedState.ID check.
+        if (!ItemAdd(total_bb, id, &frame_bb, ImGuiItemFlags_Inputable) && !no_clip)
        {
            EndGroup();
            return false;
@@ -4742,7 +4770,7 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
        g.NavActivateId = backup_activate_id;
        PopStyleVar(3);
        PopStyleColor();
-        if (!child_visible)
+        if (!child_visible && !no_clip)
        {
            EndChild();
            EndGroup();
@@ -4806,7 +4834,8 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
    float scroll_y = is_multiline ? draw_window->Scroll.y : FLT_MAX;

    const bool init_reload_from_user_buf = (state != NULL && state->WantReloadUserBuf);
-    const bool init_changed_specs = (state != NULL && state->Stb->single_line != !is_multiline); // state != NULL means its our state.
+    const bool init_changed_specs_multiline = (state != NULL && (state->Stb->single_line != !is_multiline)); // state != NULL means its our state.
+    const bool init_changed_specs_readonly = (state != NULL && ((state->Flags ^ flags) & ImGuiInputTextFlags_ReadOnly)); // state != NULL means its our state.
    const bool init_make_active = (input_requested_by_user || input_requested_by_nav || input_requested_by_reactivate || user_scroll_finish);
    if (init_reload_from_user_buf)
    {
@@ -4820,7 +4849,7 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
        state->Stb->select_start = state->ReloadSelectionStart;
        state->Stb->cursor = state->Stb->select_end = state->ReloadSelectionEnd; // will be clamped to bounds below
    }
-    else if ((init_make_active && g.ActiveId != id) || init_changed_specs)
+    else if ((init_make_active && g.ActiveId != id) || init_changed_specs_multiline || init_changed_specs_readonly)
    {
        // Access state even if we don't own it yet.
        state = &g.InputTextState;
@@ -4841,8 +4870,8 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_

        // Preserve cursor position and undo/redo stack if we come back to same widget
        // FIXME: Since we reworked this on 2022/06, may want to differentiate recycle_cursor vs recycle_undostate?
-        bool recycle_state = (state->ID == id && !init_changed_specs);
-        if (recycle_state && (state->TextLen != buf_len || (state->TextA.Data == NULL || strncmp(state->TextA.Data, buf, buf_len) != 0)))
+        bool recycle_state = (state->ID == id && !init_changed_specs_multiline);
+        if (recycle_state && !init_changed_specs_readonly && (state->TextLen != buf_len || (state->TextA.Data == NULL || strncmp(state->TextA.Data, buf, buf_len) != 0)))
            recycle_state = false;

        // Start edition
@@ -4880,7 +4909,7 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
    }

    const bool is_osx = io.ConfigMacOSXBehaviors;
-    if (g.ActiveId != id && init_make_active)
+    if (init_make_active && g.ActiveId != id)
    {
        IM_ASSERT(state && state->ID == id);
        SetActiveID(id, window);
@@ -4951,13 +4980,17 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
    if (is_password && !is_displaying_hint)
        PushPasswordFont();

-    // Word-wrapping: attempt to keep cursor in view while resizing frame/parent
-    // FIXME-WORDWRAP: It would be better to preserve same relative offset.
-    if (is_wordwrap && state != NULL && state->ID == id && state->WrapWidth != wrap_width)
+    if (state != NULL && state->ID == id)
    {
-        state->CursorCenterY = true;
-        state->WrapWidth = wrap_width;
-        render_cursor = true;
+        state->Flags = flags;
+
+        // Word-wrapping: attempt to keep cursor in view while resizing frame/parent (FIXME-WORDWRAP: would be better to preserve same relative offset)
+        if (is_wordwrap && state->WrapWidth != wrap_width)
+        {
+            state->CursorCenterY = true;
+            state->WrapWidth = wrap_width;
+            render_cursor = true;
+        }
    }

    // Process mouse inputs and character inputs
@@ -4966,7 +4999,6 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
        IM_ASSERT(state != NULL);
        state->EditedThisFrame = false;
        state->BufCapacity = buf_size;
-        state->Flags = flags;
        state->WrapWidth = wrap_width;

        // Although we are active we don't prevent mouse from hovering other elements unless we are interacting right now with the widget.
@@ -5618,7 +5650,7 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
        ImVec2 cursor_screen_pos = ImTrunc(draw_pos + cursor_offset - draw_scroll);
        ImRect cursor_screen_rect(cursor_screen_pos.x, cursor_screen_pos.y - g.FontSize + 0.5f, cursor_screen_pos.x + 1.0f, cursor_screen_pos.y - 1.5f);
        if (cursor_is_visible && cursor_screen_rect.Overlaps(clip_rect))
-            draw_window->DrawList->AddLine(cursor_screen_rect.Min, cursor_screen_rect.GetBL(), GetColorU32(ImGuiCol_InputTextCursor), 1.0f * (float)(int)style._MainScale); // FIXME-DPI: Cursor thickness (#7031)
+            draw_window->DrawList->AddLineV(cursor_screen_rect.Min.x, cursor_screen_rect.Min.y, cursor_screen_rect.Max.y, GetColorU32(ImGuiCol_InputTextCursor), style.InputTextCursorSize);

        // Notify OS of text input position for advanced IME (-1 x offset so that Windows IME can cover our cursor. Bit of an extra nicety.)
        // This is required for some backends (SDL3) to start emitting character/text inputs.
@@ -5666,7 +5698,7 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
    }

    if (label_size.x > 0)
-        RenderText(ImVec2(frame_bb.Max.x + style.ItemInnerSpacing.x, frame_bb.Min.y + style.FramePadding.y), label);
+        RenderText(ImVec2(frame_bb.Max.x + style.ItemInnerSpacing.x, frame_bb.Min.y + style.FramePadding.y), label, label_end, false);

    if (value_changed)
        MarkItemEdited(id);
@@ -6332,7 +6364,7 @@ bool ImGui::ColorPicker4(const char* label, float col[4], ImGuiColorEditFlags fl
            const float a1 = (n+1.0f)/6.0f * 2.0f * IM_PI + aeps;
            const int vert_start_idx = draw_list->VtxBuffer.Size;
            draw_list->PathArcTo(wheel_center, (wheel_r_inner + wheel_r_outer)*0.5f, a0, a1, segment_per_arc);
-            draw_list->PathStroke(col_white, 0, wheel_thickness);
+            draw_list->PathStroke(col_white, wheel_thickness);
            const int vert_end_idx = draw_list->VtxBuffer.Size;

            // Paint colors over existing vertices
@@ -6476,7 +6508,7 @@ bool ImGui::ColorButton(const char* desc_id, const ImVec4& col, ImGuiColorEditFl
        if (g.Style.FrameBorderSize > 0.0f)
            RenderFrameBorder(bb.Min, bb.Max, rounding);
        else
-            window->DrawList->AddRect(bb.Min, bb.Max, GetColorU32(ImGuiCol_FrameBg), rounding, 0, 1.0f * (float)(int)g.Style._MainScale); // Color buttons are often in need of some sort of border // FIXME-DPI
+            window->DrawList->AddRect(bb.Min, bb.Max, GetColorU32(ImGuiCol_FrameBg), rounding, 1.0f * (float)(int)g.Style._MainScale); // Color buttons are often in need of some sort of border // FIXME-DPI
    }

    // Drag and Drop Source
@@ -7149,11 +7181,11 @@ void ImGui::TreeNodeDrawLineToChildNode(const ImVec2& target_pos)
        window->DrawList->PathArcToFast(ImVec2(x1, y - rounding), rounding, 6, 3);
        if (x1 < x2)
            window->DrawList->PathLineTo(ImVec2(x2, y));
-        window->DrawList->PathStroke(GetColorU32(ImGuiCol_TreeLines), ImDrawFlags_None, g.Style.TreeLinesSize);
+        window->DrawList->PathStroke(GetColorU32(ImGuiCol_TreeLines), g.Style.TreeLinesSize);
    }
    else
    {
-        window->DrawList->AddLine(ImVec2(x1, y), ImVec2(x2, y), GetColorU32(ImGuiCol_TreeLines), g.Style.TreeLinesSize);
+        window->DrawList->AddLineH(x1, x2, y, GetColorU32(ImGuiCol_TreeLines), g.Style.TreeLinesSize);
    }
 }

@@ -7179,7 +7211,7 @@ void ImGui::TreeNodeDrawLineToTreePop(const ImGuiTreeNodeStackData* data)
    float x = ImTrunc(data->DrawLinesX1);
    if (data->DrawLinesTableColumn != -1)
        TablePushColumnChannel(data->DrawLinesTableColumn);
-    window->DrawList->AddLine(ImVec2(x, y1), ImVec2(x, y2), GetColorU32(ImGuiCol_TreeLines), g.Style.TreeLinesSize);
+    window->DrawList->AddLineV(x, y1, y2, GetColorU32(ImGuiCol_TreeLines), g.Style.TreeLinesSize);
    if (data->DrawLinesTableColumn != -1)
        TablePopColumnChannel();
 }
@@ -7338,7 +7370,8 @@ bool ImGui::Selectable(const char* label, bool selected, ImGuiSelectableFlags fl

    // Submit label or explicit size to ItemSize(), whereas ItemAdd() will submit a larger/spanning rectangle.
    ImGuiID id = window->GetID(label);
-    ImVec2 label_size = CalcTextSize(label, NULL, true);
+    const char* label_end = FindRenderedTextEnd(label);
+    ImVec2 label_size = CalcTextSize(label, label_end, false);
    ImVec2 size(size_arg.x != 0.0f ? size_arg.x : label_size.x, size_arg.y != 0.0f ? size_arg.y : label_size.y);
    ImVec2 pos = window->DC.CursorPos;
    pos.y += window->DC.CurrLineTextBaseOffset;
@@ -7493,7 +7526,11 @@ bool ImGui::Selectable(const char* label, bool selected, ImGuiSelectableFlags fl

    // Text stays at the submission position. Alignment/clipping extents ignore SpanAllColumns.
    if (is_visible)
-        RenderTextClipped(pos, ImVec2(ImMin(pos.x + size.x, window->WorkRect.Max.x), pos.y + size.y), label, NULL, &label_size, style.SelectableTextAlign, &bb);
+        RenderTextClipped(pos, ImVec2(ImMin(pos.x + size.x, window->WorkRect.Max.x), pos.y + size.y), label, label_end, &label_size, style.SelectableTextAlign, &bb);
+
+#ifdef IMGUI_DEBUG_BOXSELECT
+    if (g.BoxSelectState.UnclipMode) { GetForegroundDrawList()->AddText(pos, IM_COL32(255,255,0,200), label, label_end); }
+#endif

    // Automatically close popups
    if (pressed && !auto_selected && (window->Flags & ImGuiWindowFlags_Popup) && !(flags & ImGuiSelectableFlags_NoAutoClosePopups) && (g.LastItemData.ItemFlags & ImGuiItemFlags_AutoClosePopups))
@@ -7810,7 +7847,7 @@ bool ImGui::BeginBoxSelect(const ImRect& scope_rect, ImGuiWindow* window, ImGuiI
        return false;

    // Current frame absolute prev/current rectangles are used to toggle selection.
-    // They are derived from positions relative to scrolling space.
+    // They are derived from positions relative to scrolling space, so "previous" rectangle is reprojected for current frame coordinates.
    ImVec2 start_pos_abs = WindowPosRelToAbs(window, bs->StartPosRel);
    ImVec2 prev_end_pos_abs = WindowPosRelToAbs(window, bs->EndPosRel); // Clamped already
    ImVec2 curr_end_pos_abs = g.IO.MousePos;
@@ -7820,20 +7857,69 @@ bool ImGui::BeginBoxSelect(const ImRect& scope_rect, ImGuiWindow* window, ImGuiI
    bs->BoxSelectRectPrev.Max = ImMax(start_pos_abs, prev_end_pos_abs);
    bs->BoxSelectRectCurr.Min = ImMin(start_pos_abs, curr_end_pos_abs);
    bs->BoxSelectRectCurr.Max = ImMax(start_pos_abs, curr_end_pos_abs);
+    //IMGUI_DEBUG_LOG("StartPosRel (%.2f,%.2f) EndPosRel (%.2f,%.2f) -> (%.2f,%.2f)\n", bs->StartPosRel.x, bs->StartPosRel.y, bs->EndPosRel.x, bs->EndPosRel.y, WindowPosAbsToRel(window, g.IO.MousePos).x, WindowPosAbsToRel(window, g.IO.MousePos).y);

-    // Box-select 2D mode detects horizontal changes (vertical ones are already picked by Clipper)
-    // Storing an extra rect used by widgets supporting box-select.
-    if (ms_flags & ImGuiMultiSelectFlags_BoxSelect2d)
-        if (bs->BoxSelectRectPrev.Min.x != bs->BoxSelectRectCurr.Min.x || bs->BoxSelectRectPrev.Max.x != bs->BoxSelectRectCurr.Max.x)
+    // Box-select 2D mode detects change of the rectangle.
+    // Storing unclip rects which will be tested by widgets supporting box-select. Always update rectangles when active (even if we don't use them).
+    // To facilitate understanding this: enable IMGUI_DEBUG_BOXSELECT and visualize all geometry.
+    if (ms_flags & (ImGuiMultiSelectFlags_BoxSelect1d | ImGuiMultiSelectFlags_BoxSelect2d))
+    {
+        // For both sides, compute the area differing between Prev and Curr rectangles.
+        bs->UnclipRects[0] = bs->UnclipRects[1] = ImRect(+FLT_MAX, +FLT_MAX, -FLT_MAX, -FLT_MAX);
+        for (int side = 0; side < 2; side++)
        {
-            bs->UnclipMode = true;
-            bs->UnclipRect = bs->BoxSelectRectPrev; // FIXME-OPT: UnclipRect x coordinates could be intersection of Prev and Curr rect on X axis.
-            bs->UnclipRect.Add(bs->BoxSelectRectCurr);
+            ImVec2 d_min = (side == 0) ? ImMin(bs->BoxSelectRectCurr.Min, bs->BoxSelectRectPrev.Min) : ImMin(bs->BoxSelectRectCurr.Max, bs->BoxSelectRectPrev.Max);
+            ImVec2 d_max = (side == 0) ? ImMax(bs->BoxSelectRectCurr.Min, bs->BoxSelectRectPrev.Min) : ImMax(bs->BoxSelectRectCurr.Max, bs->BoxSelectRectPrev.Max);
+            if (d_min.x != d_max.x)
+            {
+                bs->UnclipRects[0].AddX(d_min.x);
+                bs->UnclipRects[0].AddX(d_max.x);
+            }
+            if (d_min.y != d_max.y)
+            {
+                bs->UnclipRects[1].AddY(d_min.y);
+                bs->UnclipRects[1].AddY(d_max.y);
+            }
        }

-    //GetForegroundDrawList()->AddRect(bs->UnclipRect.Min, bs->UnclipRect.Max, IM_COL32(255,0,0,200), 0.0f, 0, 3.0f);
+        ImRect box_select_intersection = bs->BoxSelectRectPrev;
+        box_select_intersection.Add(bs->BoxSelectRectCurr);
+        if (ms_flags & ImGuiMultiSelectFlags_BoxSelect2d)
+            if (bs->BoxSelectRectPrev.Min.x != bs->BoxSelectRectCurr.Min.x || bs->BoxSelectRectPrev.Max.x != bs->BoxSelectRectCurr.Max.x)
+            {
+                bs->UnclipRects[0].AddY(box_select_intersection.Min.y);
+                bs->UnclipRects[0].AddY(box_select_intersection.Max.y);
+            }
+        if (ms_flags & (ImGuiMultiSelectFlags_BoxSelect1d | ImGuiMultiSelectFlags_BoxSelect2d))
+            if (bs->BoxSelectRectPrev.Min.y != bs->BoxSelectRectCurr.Min.y || bs->BoxSelectRectPrev.Max.y != bs->BoxSelectRectCurr.Max.y)
+            {
+                bs->UnclipRects[1].AddX(box_select_intersection.Min.x);
+                bs->UnclipRects[1].AddX(box_select_intersection.Max.x);
+            }
+
+        // Merge both rectangles into one.
+        // FIXME-OPT: When UnclipRect.Area() is much larger than the sum of UnclipRects[0]/[1] Areas, widgets should
+        // ideally first use UnclipRect as a first coarse cull layer + the individual ones as a second validation.
+        bs->UnclipRect = bs->UnclipRects[0];
+        bs->UnclipRect.Add(bs->UnclipRects[1]);
+        if (!bs->UnclipRect.IsInverted() && (!window->ClipRect.Contains(bs->UnclipRect.Min) || !window->ClipRect.Contains(bs->UnclipRect.Max))) // !! Don't use Contains(ImRect)
+            bs->UnclipMode = true;
+        if (bs->UnclipMode && g.CurrentTable != NULL)
+            TableApplyExternalUnclipRect(g.CurrentTable, bs->UnclipRect); // No need submitting both
+    }
+
+#ifdef IMGUI_DEBUG_BOXSELECT
+    //GetForegroundDrawList()->AddRect(scope_rect.Min, scope_rect.Max, IM_COL32(0, 255, 0, 200), 0.0f, 0, 4.0f);
    //GetForegroundDrawList()->AddRect(bs->BoxSelectRectPrev.Min, bs->BoxSelectRectPrev.Max, IM_COL32(255,0,0,200), 0.0f, 0, 3.0f);
    //GetForegroundDrawList()->AddRect(bs->BoxSelectRectCurr.Min, bs->BoxSelectRectCurr.Max, IM_COL32(0,255,0,200), 0.0f, 0, 1.0f);
+    if (ms_flags & (ImGuiMultiSelectFlags_BoxSelect1d | ImGuiMultiSelectFlags_BoxSelect2d))
+    {
+        for (ImRect& unclip_r : bs->UnclipRects)
+            if (!unclip_r.IsInverted())
+                GetForegroundDrawList()->AddRect(unclip_r.Min, unclip_r.Max, bs->UnclipMode ? IM_COL32(255, 255, 0, 200) : IM_COL32(255, 0, 0, 200), 0.0f, 0, 4.0f);
+        GetForegroundDrawList()->AddRect(bs->UnclipRect.Min, bs->UnclipRect.Max, bs->UnclipMode ? IM_COL32(255, 255, 0, 200) : IM_COL32(255, 0, 0, 200), 0.0f, 0, 2.0f);
+    }
+#endif
    return true;
 }

@@ -7849,8 +7935,9 @@ void ImGui::EndBoxSelect(const ImRect& scope_rect, ImGuiMultiSelectFlags ms_flag
    bs->EndPosRel = WindowPosAbsToRel(window, ImClamp(g.IO.MousePos, scope_rect.Min, scope_rect.Max)); // Clamp stored position according to current scrolling view
    ImRect box_select_r = bs->BoxSelectRectCurr;
    box_select_r.ClipWith(scope_rect);
-    window->DrawList->AddRectFilled(box_select_r.Min, box_select_r.Max, GetColorU32(ImGuiCol_SeparatorHovered, 0.30f)); // FIXME-MULTISELECT: Styling
-    window->DrawList->AddRect(box_select_r.Min, box_select_r.Max, GetColorU32(ImGuiCol_NavCursor)); // FIXME-MULTISELECT FIXME-DPI: Styling
+    ImGuiWindow* draw_window = FindFrontMostVisibleChildWindow(window);
+    draw_window->DrawList->AddRectFilled(box_select_r.Min, box_select_r.Max, GetColorU32(ImGuiCol_SeparatorHovered, 0.30f)); // FIXME-MULTISELECT: Styling
+    draw_window->DrawList->AddRect(box_select_r.Min, box_select_r.Max, GetColorU32(ImGuiCol_NavCursor)); // FIXME-MULTISELECT FIXME-DPI: Styling

    // Scroll
    const bool enable_scroll = (ms_flags & ImGuiMultiSelectFlags_ScopeWindow) && (ms_flags & ImGuiMultiSelectFlags_BoxSelectNoScroll) == 0;
@@ -7890,18 +7977,18 @@ static void DebugLogMultiSelectRequests(const char* function, const ImGuiMultiSe

 static ImRect CalcScopeRect(ImGuiMultiSelectTempData* ms, ImGuiWindow* window)
 {
-    ImGuiContext& g = *GImGui;
    if (ms->Flags & ImGuiMultiSelectFlags_ScopeRect)
    {
        // Warning: this depends on CursorMaxPos so it means to be called by EndMultiSelect() only
+        // This probably doesn't work inside a table as there are ample ambiguities related to exact time of calling BeginMultiSelect()/EndMultiSelect().
        return ImRect(ms->ScopeRectMin, ImMax(window->DC.CursorMaxPos, ms->ScopeRectMin));
    }
    else
    {
-        // When a table, pull HostClipRect, which allows us to predict ClipRect before first row/layout is performed. (#7970)
+        //// When a table, pull HostClipRect, which allows us to predict ClipRect before first row/layout is performed. (#7970)
        ImRect scope_rect = window->InnerClipRect;
-        if (g.CurrentTable != NULL)
-            scope_rect = g.CurrentTable->HostClipRect;
+        //if (g.CurrentTable != NULL)
+        //    scope_rect = g.CurrentTable->HostClipRect;

        // Add inner table decoration (#7821) // FIXME: Why not baking in InnerClipRect?
        scope_rect.Min = ImMin(scope_rect.Min + ImVec2(window->DecoInnerSizeX1, window->DecoInnerSizeY1), scope_rect.Max);
@@ -7937,18 +8024,24 @@ ImGuiMultiSelectIO* ImGui::BeginMultiSelect(ImGuiMultiSelectFlags flags, int sel
    // FIXME: Workaround to the fact we override CursorMaxPos, meaning size measurement are lost. (#8250)
    // They should perhaps be stacked properly?
    if (ImGuiTable* table = g.CurrentTable)
-        if (table->CurrentColumn != -1)
+    {
+        if (!table->IsLayoutLocked)
+            TableUpdateLayout(table);
+        else if (table->CurrentColumn != -1)
            TableEndCell(table); // This is currently safe to call multiple time. If that properly is lost we can extract the "save measurement" part of it.
+    }

    // FIXME: BeginFocusScope()
    const ImGuiID id = window->IDStack.back();
    ms->Clear();
    ms->FocusScopeId = id;
    ms->Flags = flags;
-    ms->IsFocused = (ms->FocusScopeId == g.NavFocusScopeId);
    ms->BackupCursorMaxPos = window->DC.CursorMaxPos;
-    ms->ScopeRectMin = window->DC.CursorMaxPos = window->DC.CursorPos;
+    ms->ScopeRectMin = window->DC.CursorPos;
+    if (flags & ImGuiMultiSelectFlags_ScopeRect)
+        window->DC.CursorMaxPos = ms->ScopeRectMin; // CalcScopeRect() for ImGuiMultiSelectFlags_ScopeRect will measure in EndMultiSelect().
    PushFocusScope(ms->FocusScopeId);
+    ms->IsFocused = IsInNavFocusRoute(g.CurrentFocusScopeId);
    if (flags & ImGuiMultiSelectFlags_ScopeWindow) // Mark parent child window as navigable into, with highlight. Assume user will always submit interactive items.
        window->DC.NavLayersActiveMask |= 1 << ImGuiNavLayer_Main;

@@ -8030,7 +8123,7 @@ ImGuiMultiSelectIO* ImGui::BeginMultiSelect(ImGuiMultiSelectFlags flags, int sel
            storage->LastSelectionSize = 0;
    }
    ms->LoopRequestSetAll = request_select_all ? 1 : request_clear ? 0 : -1;
-    ms->LastSubmittedItem = ImGuiSelectionUserData_Invalid;
+    //ms->PrevSubmittedItem = ImGuiSelectionUserData_Invalid;

    if (g.DebugLogFlags & ImGuiDebugLogFlags_EventSelection)
        DebugLogMultiSelectRequests("BeginMultiSelect", &ms->IO);
@@ -8076,7 +8169,7 @@ ImGuiMultiSelectIO* ImGui::EndMultiSelect()
    // Clear selection when clicking void?
    // We specifically test for IsMouseDragPastThreshold(0) == false to allow box-selection!
    // The InnerRect test is necessary for non-child/decorated windows.
-    bool scope_hovered = IsWindowHovered() && window->InnerRect.Contains(g.IO.MousePos);
+    bool scope_hovered = window->InnerRect.Contains(g.IO.MousePos) && IsWindowHovered(ImGuiHoveredFlags_ChildWindows);
    if (scope_hovered && (ms->Flags & ImGuiMultiSelectFlags_ScopeRect))
        scope_hovered &= scope_rect.Contains(g.IO.MousePos);
    if (scope_hovered && g.HoveredId == 0 && g.ActiveId == 0)
@@ -8102,10 +8195,13 @@ ImGuiMultiSelectIO* ImGui::EndMultiSelect()
    if (ms->Flags & ImGuiMultiSelectFlags_NavWrapX)
    {
        IM_ASSERT(ms->Flags & ImGuiMultiSelectFlags_ScopeWindow); // Only supported at window scope
-        ImGui::NavMoveRequestTryWrapping(ImGui::GetCurrentWindow(), ImGuiNavMoveFlags_WrapX);
+        NavMoveRequestTryWrapping(GetCurrentWindow(), ImGuiNavMoveFlags_WrapX);
    }

    // Unwind
+    if (ImGuiTable* table = g.CurrentTable)
+        if (table->IsInsideRow)
+            TableEndRow(table);
    window->DC.CursorMaxPos = ImMax(ms->BackupCursorMaxPos, window->DC.CursorMaxPos);
    PopFocusScope();

@@ -8133,6 +8229,8 @@ void ImGui::SetNextItemSelectionUserData(ImGuiSelectionUserData selection_user_d
        g.NextItemData.ItemFlags |= ImGuiItemFlags_HasSelectionUserData | ImGuiItemFlags_IsMultiSelect;
        if (ms->IO.RangeSrcItem == selection_user_data)
            ms->RangeSrcPassedBy = true;
+        //ms->PrevSubmittedItem = ms->CurrSubmittedItem; // Can't rely on previous g.NextItemData.SelectionUserData because NextItemData is not restored on nested multi-select.
+        //ms->CurrSubmittedItem = selection_user_data;
    }
    else
    {
@@ -8281,8 +8379,31 @@ void ImGui::MultiSelectItemFooter(ImGuiID id, bool* p_selected, bool* p_pressed)
    if (ms->BoxSelectId != 0)
        if (ImGuiBoxSelectState* bs = GetBoxSelectState(ms->BoxSelectId))
        {
-            const bool rect_overlap_curr = bs->BoxSelectRectCurr.Overlaps(g.LastItemData.Rect);
-            const bool rect_overlap_prev = bs->BoxSelectRectPrev.Overlaps(g.LastItemData.Rect);
+            ImRect item_rect = g.LastItemData.Rect;
+            if (!window->DC.NavIsScrollPushableX) // FIXME: Rename to be more generic.
+                if (ImGuiTable* table = g.CurrentTable)
+                    if (table->CurrentColumn != -1)
+                    {
+                        // FIXME: We cannot solely use current ClipRect as it includes HostClipRect.
+                        // However we account for ClipRect being larger than current column (e.g. when using SpanAllColumns)
+                        // A more generic version would be nice, but window->WorkRect.Min/Max exclude CellPadding. (#7994, #9383)
+                        ImGuiTableColumn* column = &table->Columns[table->CurrentColumn];
+                        float clip_min_x = (g.LastItemData.ItemFlags & ImGuiItemStatusFlags_HasClipRect) ? g.LastItemData.ClipRect.Min.x : window->ClipRect.Min.x;
+                        float clip_max_x = (g.LastItemData.ItemFlags & ImGuiItemStatusFlags_HasClipRect) ? g.LastItemData.ClipRect.Max.x : window->ClipRect.Max.x;
+                        if (clip_min_x != clip_max_x) // When zero sized we expect that bounds have been clamped and thus are unreliable
+                        {
+                            item_rect.Min.x = ImMax(item_rect.Min.x, ImMin(column->MinX, clip_min_x));
+                            item_rect.Max.x = ImMin(item_rect.Max.x, ImMax(column->MaxX, clip_max_x));
+                        }
+                        else
+                        {
+                            item_rect.Min.x = ImMax(item_rect.Min.x, column->MinX);
+                            item_rect.Max.x = ImMin(item_rect.Max.x, column->MaxX);
+                        }
+                        //GetForegroundDrawList()->AddRect(item_rect.Min, item_rect.Max, IM_COL32(255, 0, 255, 255));
+                    }
+            const bool rect_overlap_curr = bs->BoxSelectRectCurr.Overlaps(item_rect);
+            const bool rect_overlap_prev = bs->BoxSelectRectPrev.Overlaps(item_rect);
            if ((rect_overlap_curr && !rect_overlap_prev && !selected) || (rect_overlap_prev && !rect_overlap_curr))
            {
                if (storage->LastSelectionSize <= 0 && bs->IsStartedSetNavIdOnce)
@@ -8294,6 +8415,9 @@ void ImGui::MultiSelectItemFooter(ImGuiID id, bool* p_selected, bool* p_pressed)
                {
                    selected = !selected;
                    MultiSelectAddSetRange(ms, selected, +1, item_data, item_data);
+#ifdef IMGUI_DEBUG_BOXSELECT
+                    GetForegroundDrawList()->AddRectFilled(g.LastItemData.Rect.Min, g.LastItemData.Rect.Max, selected ? IM_COL32(0, 255, 0, 200) : IM_COL32(255, 0, 0, 200));
+#endif
                }
                storage->LastSelectionSize = ImMax(storage->LastSelectionSize + 1, 1);
            }
@@ -8407,7 +8531,6 @@ void ImGui::MultiSelectItemFooter(ImGuiID id, bool* p_selected, bool* p_pressed)
    }
    if (storage->NavIdItem == item_data)
        ms->NavIdPassedBy = true;
-    ms->LastSubmittedItem = item_data;

    *p_selected = selected;
    *p_pressed = pressed;
@@ -8423,15 +8546,20 @@ void ImGui::MultiSelectAddSetAll(ImGuiMultiSelectTempData* ms, bool selected)
 void ImGui::MultiSelectAddSetRange(ImGuiMultiSelectTempData* ms, bool selected, int range_dir, ImGuiSelectionUserData first_item, ImGuiSelectionUserData last_item)
 {
    // Merge contiguous spans into same request (unless NoRangeSelect is set which guarantees single-item ranges)
+    // FIXME-OPT: Disabled on 2026/04/09 as this would break with any form of coarse clipping that we don't know about (e.g. TableNextColumn() return value).
+    // The low-hanging fruit would be to know that ImGuiSelectionUserData are sequential indices, in which case we can trivially compare PrevSubmittedItem + RangeDir == FirstItem.
+    // User can always perform this merge if required.
+#if 0
    if (ms->IO.Requests.Size > 0 && first_item == last_item && (ms->Flags & ImGuiMultiSelectFlags_NoRangeSelect) == 0)
    {
        ImGuiSelectionRequest* prev = &ms->IO.Requests.Data[ms->IO.Requests.Size - 1];
-        if (prev->Type == ImGuiSelectionRequestType_SetRange && prev->RangeLastItem == ms->LastSubmittedItem && prev->Selected == selected)
+        if (prev->Type == ImGuiSelectionRequestType_SetRange && prev->RangeLastItem == ms->PrevSubmittedItem && prev->Selected == selected)
        {
            prev->RangeLastItem = last_item;
            return;
        }
    }
+#endif

    ImGuiSelectionRequest req = { ImGuiSelectionRequestType_SetRange, selected, (ImS8)range_dir, (range_dir > 0) ? first_item : last_item, (range_dir > 0) ? last_item : first_item };
    ms->IO.Requests.push_back(req); // Add new request
@@ -8669,7 +8797,8 @@ bool ImGui::BeginListBox(const char* label, const ImVec2& size_arg)

    const ImGuiStyle& style = g.Style;
    const ImGuiID id = GetID(label);
-    const ImVec2 label_size = CalcTextSize(label, NULL, true);
+    const char* label_end = FindRenderedTextEnd(label);
+    const ImVec2 label_size = CalcTextSize(label, label_end, false);

    // Size default to hold ~7.25 items.
    // Fractional number of items helps seeing that we can scroll down/up without looking at scrollbar.
@@ -8692,7 +8821,7 @@ bool ImGui::BeginListBox(const char* label, const ImVec2& size_arg)
    if (label_size.x > 0.0f)
    {
        ImVec2 label_pos = ImVec2(frame_bb.Max.x + style.ItemInnerSpacing.x, frame_bb.Min.y + style.FramePadding.y);
-        RenderText(label_pos, label);
+        RenderText(label_pos, label, label_end, false);
        window->DC.CursorMaxPos = ImMax(window->DC.CursorMaxPos, label_pos + label_size);
        AlignTextToFramePadding();
    }
@@ -8773,9 +8902,7 @@ bool ImGui::ListBox(const char* label, int* current_item, const char* (*getter)(
 // - PlotHistogram()
 //-------------------------------------------------------------------------
 // Plot/Graph widgets are not very good.
-// Consider writing your own, or using a third-party one, see:
-// - ImPlot https://github.com/epezent/implot
-// - others https://github.com/ocornut/imgui/wiki/Useful-Extensions
+// Consider using ImPlot (https://github.com/epezent/implot) which is much better!
 //-------------------------------------------------------------------------

 int ImGui::PlotEx(ImGuiPlotType plot_type, const char* label, float (*values_getter)(void* data, int idx), void* data, int values_count, int values_offset, const char* overlay_text, float scale_min, float scale_max, const ImVec2& size_arg)
@@ -8788,7 +8915,8 @@ int ImGui::PlotEx(ImGuiPlotType plot_type, const char* label, float (*values_get
    const ImGuiStyle& style = g.Style;
    const ImGuiID id = window->GetID(label);

-    const ImVec2 label_size = CalcTextSize(label, NULL, true);
+    const char* label_end = FindRenderedTextEnd(label);
+    const ImVec2 label_size = CalcTextSize(label, label_end, false);
    const ImVec2 frame_size = CalcItemSize(size_arg, CalcItemWidth(), label_size.y + style.FramePadding.y * 2.0f);

    const ImRect frame_bb(window->DC.CursorPos, window->DC.CursorPos + frame_size);
@@ -8831,7 +8959,7 @@ int ImGui::PlotEx(ImGuiPlotType plot_type, const char* label, float (*values_get
        // Tooltip on hover
        if (hovered && inner_bb.Contains(g.IO.MousePos))
        {
-            const float t = ImClamp((g.IO.MousePos.x - inner_bb.Min.x) / (inner_bb.Max.x - inner_bb.Min.x), 0.0f, 0.9999f);
+            const float t = ImClamp((g.IO.MousePos.x - inner_bb.Min.x) / (inner_bb.Max.x - inner_bb.Min.x), 0.0f, 0.999f);
            const int v_idx = (int)(t * item_count);
            IM_ASSERT(v_idx >= 0 && v_idx < values_count);

@@ -8887,10 +9015,11 @@ int ImGui::PlotEx(ImGuiPlotType plot_type, const char* label, float (*values_get
        RenderTextClipped(ImVec2(frame_bb.Min.x, frame_bb.Min.y + style.FramePadding.y), frame_bb.Max, overlay_text, NULL, NULL, ImVec2(0.5f, 0.0f));

    if (label_size.x > 0.0f)
-        RenderText(ImVec2(frame_bb.Max.x + style.ItemInnerSpacing.x, inner_bb.Min.y), label);
+        RenderText(ImVec2(frame_bb.Max.x + style.ItemInnerSpacing.x, inner_bb.Min.y), label, label_end, false);

    // Return hovered index or -1 if none are hovered.
    // This is currently not exposed in the public API because we need a larger redesign of the whole thing, but in the short-term we are making it available in PlotEx().
+    IMGUI_TEST_ENGINE_ITEM_INFO(id, label, g.LastItemData.StatusFlags);
    return idx_hovered;
 }

@@ -8920,6 +9049,7 @@ void ImGui::PlotLines(const char* label, float (*values_getter)(void* data, int
    PlotEx(ImGuiPlotType_Lines, label, values_getter, data, values_count, values_offset, overlay_text, scale_min, scale_max, graph_size);
 }

+// Plot Histogram (the data provided _is_ histogram data. it doesn't compute the histogram of your data)
 void ImGui::PlotHistogram(const char* label, const float* values, int values_count, int values_offset, const char* overlay_text, float scale_min, float scale_max, ImVec2 graph_size, int stride)
 {
    ImGuiPlotArrayGetterData data(values, stride);
@@ -9257,7 +9387,8 @@ bool ImGui::BeginMenuEx(const char* label, const char* icon, bool enabled)
    // Tag menu as used. Next time BeginMenu() with same ID is called it will append to existing menu
    g.MenusIdSubmittedThisFrame.push_back(id);

-    ImVec2 label_size = CalcTextSize(label, NULL, true);
+    const char* label_end = FindRenderedTextEnd(label);
+    ImVec2 label_size = CalcTextSize(label, label_end, false);

    // Odd hack to allow hovering across menus of a same menu-set (otherwise we wouldn't be able to hover parent without always being a Child window)
    // This is only done for items for the menu set and not the full parent window.
@@ -9276,8 +9407,7 @@ bool ImGui::BeginMenuEx(const char* label, const char* icon, bool enabled)

    bool pressed;

-    // We use ImGuiSelectableFlags_NoSetKeyOwner to allow down on one menu item, move, up on another.
-    const ImGuiSelectableFlags selectable_flags = ImGuiSelectableFlags_NoHoldingActiveID | ImGuiSelectableFlags_NoSetKeyOwner | ImGuiSelectableFlags_SelectOnClick | ImGuiSelectableFlags_NoAutoClosePopups;
+    const ImGuiSelectableFlags selectable_flags = ImGuiSelectableFlags_NoAutoClosePopups | (ImGuiSelectableFlags)ImGuiSelectableFlags_SelectOnClick;
    ImGuiMenuColumns* offsets = &window->DC.MenuColumns;
    if (window->DC.LayoutType == ImGuiLayoutType_Horizontal)
    {
@@ -9289,7 +9419,7 @@ bool ImGui::BeginMenuEx(const char* label, const char* icon, bool enabled)
        ImVec2 text_pos(window->DC.CursorPos.x + offsets->OffsetLabel, pos.y + window->DC.CurrLineTextBaseOffset);
        pressed = Selectable("", menu_is_open, selectable_flags, label_size);
        LogSetNextTextDecoration("[", "]");
-        RenderText(text_pos, label);
+        RenderText(text_pos, label, label_end, false);
        PopStyleVar();
        window->DC.CursorPos.x += IM_TRUNC(style.ItemSpacing.x * (-1.0f + 0.5f)); // -1 spacing to compensate the spacing added when Selectable() did a SameLine(). It would also work to call SameLine() ourselves after the PopStyleVar().
        popup_pos = ImVec2(pos.x - 1.0f - IM_TRUNC(style.ItemSpacing.x * 0.5f), text_pos.y - style.FramePadding.y + window->MenuBarHeight);
@@ -9306,7 +9436,7 @@ bool ImGui::BeginMenuEx(const char* label, const char* icon, bool enabled)
        ImVec2 text_pos(window->DC.CursorPos.x, pos.y + window->DC.CurrLineTextBaseOffset);
        pressed = Selectable("", menu_is_open, selectable_flags | ImGuiSelectableFlags_SpanAvailWidth, ImVec2(min_w, label_size.y));
        LogSetNextTextDecoration("", ">");
-        RenderText(ImVec2(text_pos.x + offsets->OffsetLabel, text_pos.y), label);
+        RenderText(ImVec2(text_pos.x + offsets->OffsetLabel, text_pos.y), label, label_end, false);
        if (icon_w > 0.0f)
            RenderText(ImVec2(text_pos.x + offsets->OffsetIcon, text_pos.y), icon);
        RenderArrow(window->DrawList, ImVec2(text_pos.x + offsets->OffsetMark + extra_w + g.FontSize * 0.30f, text_pos.y), GetColorU32(ImGuiCol_Text), ImGuiDir_Right);
@@ -9315,6 +9445,14 @@ bool ImGui::BeginMenuEx(const char* label, const char* icon, bool enabled)
    if (!enabled)
        EndDisabled();

+    // Once dragged, release ActiveId + key ownership. This is to allow the idiom of mouse down a menu, dragging elsewhere, up on some other MenuItem(). (#8233, #9394)
+    // Could move logic into lower-level ImGuiButtonFlags_AutoReleaseActiveId + ImGuiButtonFlags_AutoReleaseKeyOwner? Easier once we get rid of the Selectable() middle-man here.
+    if (g.ActiveId == id && g.HoveredId != id && g.ActiveIdSource == ImGuiInputSource_Mouse && IsMouseDragging(0))
+    {
+        ClearActiveID();
+        SetKeyOwner(ImGuiKey_MouseLeft, ImGuiKeyOwner_NoOwner);
+    }
+
    const bool hovered = (g.HoveredId == id) && enabled && !g.NavHighlightItemUnderNav;
    if (menuset_is_open)
        PopItemFlag();
@@ -9395,6 +9533,9 @@ bool ImGui::BeginMenuEx(const char* label, const char* icon, bool enabled)
    IMGUI_TEST_ENGINE_ITEM_INFO(id, label, g.LastItemData.StatusFlags | ImGuiItemStatusFlags_Openable | (menu_is_open ? ImGuiItemStatusFlags_Opened : 0));
    PopID();

+    if (g.ActiveId == id && want_open)
+        g.ActiveIdNoClearOnFocusLoss = true;
+
    if (want_open && !menu_is_open && g.OpenPopupStack.Size > g.BeginPopupStack.Size)
    {
        // Don't reopen/recycle same menu level in the same frame if it is a different menu ID, first close the other menu and yield for a frame.
@@ -9471,7 +9612,8 @@ bool ImGui::MenuItemEx(const char* label, const char* icon, const char* shortcut
    ImGuiContext& g = *GImGui;
    ImGuiStyle& style = g.Style;
    ImVec2 pos = window->DC.CursorPos;
-    ImVec2 label_size = CalcTextSize(label, NULL, true);
+    const char* label_end = FindRenderedTextEnd(label);
+    ImVec2 label_size = CalcTextSize(label, label_end, false);

    // See BeginMenuEx() for comments about this.
    const bool menuset_is_open = IsRootOfOpenMenuSet();
@@ -9486,7 +9628,7 @@ bool ImGui::MenuItemEx(const char* label, const char* icon, const char* shortcut
        BeginDisabled();

    // We use ImGuiSelectableFlags_NoSetKeyOwner to allow down on one menu item, move, up on another.
-    const ImGuiSelectableFlags selectable_flags = ImGuiSelectableFlags_NoHoldingActiveID | ImGuiSelectableFlags_SelectOnRelease | ImGuiSelectableFlags_NoSetKeyOwner | ImGuiSelectableFlags_SetNavIdOnHover;
+    const ImGuiSelectableFlags selectable_flags = (ImGuiSelectableFlags)ImGuiSelectableFlags_SelectOnRelease | (ImGuiSelectableFlags)ImGuiSelectableFlags_SetNavIdOnHover;
    ImGuiMenuColumns* offsets = &window->DC.MenuColumns;
    if (window->DC.LayoutType == ImGuiLayoutType_Horizontal)
    {
@@ -9498,7 +9640,7 @@ bool ImGui::MenuItemEx(const char* label, const char* icon, const char* shortcut
        pressed = Selectable("", selected, selectable_flags, ImVec2(label_size.x, 0.0f));
        PopStyleVar();
        if (g.LastItemData.StatusFlags & ImGuiItemStatusFlags_Visible)
-            RenderText(text_pos, label);
+            RenderText(text_pos, label, label_end, false);
        window->DC.CursorPos.x += IM_TRUNC(style.ItemSpacing.x * (-1.0f + 0.5f)); // -1 spacing to compensate the spacing added when Selectable() did a SameLine(). It would also work to call SameLine() ourselves after the PopStyleVar().
    }
    else
@@ -9515,7 +9657,7 @@ bool ImGui::MenuItemEx(const char* label, const char* icon, const char* shortcut
        pressed = Selectable("", false, selectable_flags | ImGuiSelectableFlags_SpanAvailWidth, ImVec2(min_w, label_size.y));
        if (g.LastItemData.StatusFlags & ImGuiItemStatusFlags_Visible)
        {
-            RenderText(text_pos + ImVec2(offsets->OffsetLabel, 0.0f), label);
+            RenderText(text_pos + ImVec2(offsets->OffsetLabel, 0.0f), label, label_end, false);
            if (icon_w > 0.0f)
                RenderText(text_pos + ImVec2(offsets->OffsetIcon, 0.0f), icon);
            if (shortcut_w > 0.0f)
@@ -9529,6 +9671,17 @@ bool ImGui::MenuItemEx(const char* label, const char* icon, const char* shortcut
                RenderCheckMark(window->DrawList, text_pos + ImVec2(offsets->OffsetMark + stretch_w + g.FontSize * 0.40f, g.FontSize * 0.134f * 0.5f), GetColorU32(ImGuiCol_Text), g.FontSize * 0.866f);
        }
    }
+
+    // Once dragged, release ActiveId + key ownership. This is to allow the idiom of mouse down a menu, dragging elsewhere, up on some other MenuItem(). (#8233, #9394)
+    // Could move logic into lower-level ImGuiButtonFlags_AutoReleaseActiveId + ImGuiButtonFlags_AutoReleaseKeyOwner? Easier once we get rid of the Selectable() middle-man here.
+    const ImGuiID id = g.LastItemData.ID;
+    if (g.ActiveId == id && g.HoveredId != id && g.ActiveIdSource == ImGuiInputSource_Mouse && IsMouseDragging(0))
+    {
+        ClearActiveID();
+        SetKeyOwner(ImGuiKey_MouseLeft, ImGuiKeyOwner_NoOwner);
+    }
+
+
    IMGUI_TEST_ENGINE_ITEM_INFO(g.LastItemData.ID, label, g.LastItemData.StatusFlags | ImGuiItemStatusFlags_Checkable | (selected ? ImGuiItemStatusFlags_Checked : 0));
    if (!enabled)
        EndDisabled();
@@ -10616,7 +10769,7 @@ bool    ImGui::TabItemEx(ImGuiTabBar* tab_bar, const char* label, bool* p_open,
    // We don't have CPU clipping primitives to clip the CloseButton (until it becomes a texture), so need to add an extra draw call (temporary in the case of vertical animation)
    const bool want_clip_rect = is_central_section && (bb.Min.x < tab_bar->ScrollingRectMinX || bb.Max.x > tab_bar->ScrollingRectMaxX);
    if (want_clip_rect)
-        PushClipRect(ImVec2(ImMax(bb.Min.x, tab_bar->ScrollingRectMinX), bb.Min.y - 1), ImVec2(tab_bar->ScrollingRectMaxX, bb.Max.y), true);
+        PushClipRect(ImVec2(ImClamp(bb.Min.x, tab_bar->ScrollingRectMinX, tab_bar->ScrollingRectMaxX), bb.Min.y - 1), ImVec2(tab_bar->ScrollingRectMaxX, bb.Max.y), true);

    ImVec2 backup_cursor_max_pos = window->DC.CursorMaxPos;
    ItemSize(bb.GetSize(), style.FramePadding.y);
@@ -10740,7 +10893,7 @@ bool    ImGui::TabItemEx(ImGuiTabBar* tab_bar, const char* label, bool* p_open,
                float rounding = style.TabRounding;
                display_draw_list->PathArcToFast(tl + ImVec2(+rounding, +rounding), rounding, 7, 9);
                display_draw_list->PathArcToFast(tr + ImVec2(-rounding, +rounding), rounding, 9, 11);
-                display_draw_list->PathStroke(overline_col, 0, style.TabBarOverlineSize);
+                display_draw_list->PathStroke(overline_col, style.TabBarOverlineSize);
            }
            else
            {
@@ -10845,20 +10998,16 @@ void ImGui::TabItemBackground(ImDrawList* draw_list, const ImRect& bb, ImGuiTabI
    IM_UNUSED(flags);
    IM_ASSERT(width > 0.0f);
    const float rounding = ImMax(0.0f, ImMin((flags & ImGuiTabItemFlags_Button) ? g.Style.FrameRounding : g.Style.TabRounding, width * 0.5f - 1.0f));
-    const float y1 = bb.Min.y + 1.0f;
+    const float y1 = bb.Min.y + 1.0f; // Leave a bit of room in title bars.
    const float y2 = bb.Max.y - g.Style.TabBarBorderSize;
-    draw_list->PathLineTo(ImVec2(bb.Min.x, y2));
-    draw_list->PathArcToFast(ImVec2(bb.Min.x + rounding, y1 + rounding), rounding, 6, 9);
-    draw_list->PathArcToFast(ImVec2(bb.Max.x - rounding, y1 + rounding), rounding, 9, 12);
-    draw_list->PathLineTo(ImVec2(bb.Max.x, y2));
-    draw_list->PathFillConvex(col);
+    draw_list->AddRectFilled(bb.Min, ImVec2(bb.Max.x, y2), col, rounding, ImDrawFlags_RoundCornersTop);
    if (g.Style.TabBorderSize > 0.0f)
    {
        draw_list->PathLineTo(ImVec2(bb.Min.x + 0.5f, y2));
        draw_list->PathArcToFast(ImVec2(bb.Min.x + rounding + 0.5f, y1 + rounding + 0.5f), rounding, 6, 9);
        draw_list->PathArcToFast(ImVec2(bb.Max.x - rounding - 0.5f, y1 + rounding + 0.5f), rounding, 9, 12);
        draw_list->PathLineTo(ImVec2(bb.Max.x - 0.5f, y2));
-        draw_list->PathStroke(GetColorU32(ImGuiCol_Border), 0, g.Style.TabBorderSize);
+        draw_list->PathStroke(GetColorU32(ImGuiCol_Border), g.Style.TabBorderSize);
    }
 }

@@ -10867,7 +11016,8 @@ void ImGui::TabItemBackground(ImDrawList* draw_list, const ImRect& bb, ImGuiTabI
 void ImGui::TabItemLabelAndCloseButton(ImDrawList* draw_list, const ImRect& bb, ImGuiTabItemFlags flags, ImVec2 frame_padding, const char* label, ImGuiID tab_id, ImGuiID close_button_id, bool is_contents_visible, bool* out_just_closed, bool* out_text_clipped)
 {
    ImGuiContext& g = *GImGui;
-    ImVec2 label_size = CalcTextSize(label, NULL, true);
+    const char* label_end = FindRenderedTextEnd(label);
+    ImVec2 label_size = CalcTextSize(label, label_end, false);

    if (out_just_closed)
        *out_just_closed = false;
@@ -10952,7 +11102,7 @@ void ImGui::TabItemLabelAndCloseButton(ImDrawList* draw_list, const ImRect& bb,
        }
    }
    LogSetNextTextDecoration("/", "\\");
-    RenderTextEllipsis(draw_list, text_ellipsis_clip_bb.Min, text_ellipsis_clip_bb.Max, ellipsis_max_x, label, NULL, &label_size);
+    RenderTextEllipsis(draw_list, text_ellipsis_clip_bb.Min, text_ellipsis_clip_bb.Max, ellipsis_max_x, label, label_end, &label_size);

 #if 0
    if (!is_contents_visible)