diff --git a/src/backtracewidget.cpp b/src/backtracewidget.cpp
--- a/src/backtracewidget.cpp
+++ b/src/backtracewidget.cpp
@@ -143,25 +143,6 @@
 
     ui.m_copyButton->setEnabled(false);
     ui.m_saveButton->setEnabled(false);
-
-    adjustWindowSize();
-}
-
-void BacktraceWidget::adjustWindowSize()
-{
-    // We substantially change label content in-place so the window might need
-    // resizing to fit everything again. This should get called whenever label
-    // content is changed.
-    // We'll only increase our size but never shrink it. Shrinking would almost
-    // always screw with user expectation (e.g. button position or manually
-    // resized window).
-    // https://bugs.kde.org/show_bug.cgi?id=406748
-    // https://bugs.kde.org/show_bug.cgi?id=337319
-    const auto hint = window()->sizeHint();
-    const auto size = window()->size();
-    if (hint.width() > size.width() || hint.height() > size.height()) {
-        window()->adjustSize();
-    }
 }
 
 //Force backtrace generation
@@ -212,8 +193,6 @@
                                     "click <interface>Reload</interface>."));
     ui.m_installDebugButton->setVisible(false);
     ui.m_reloadBacktraceButton->setEnabled(true);
-
-    adjustWindowSize();
 }
 
 void BacktraceWidget::loadData()
@@ -333,8 +312,6 @@
 
     ui.m_reloadBacktraceButton->setEnabled(true);
 
-    adjustWindowSize();
-
     emit stateChanged();
 }
 
diff --git a/src/bugzillaintegration/reportassistantdialog.cpp b/src/bugzillaintegration/reportassistantdialog.cpp
--- a/src/bugzillaintegration/reportassistantdialog.cpp
+++ b/src/bugzillaintegration/reportassistantdialog.cpp
@@ -164,8 +164,10 @@
     addPage(m_bugzillaPreviewPage);
     addPage(m_bugzillaSendPage);
 
-    setMinimumSize(QSize(600, 400));
-    resize(minimumSize());
+    // Force a 16:9 ratio for nice appearance by default.
+    QSize aspect(16, 9);
+    aspect.scale(sizeHint(), Qt::KeepAspectRatioByExpanding);
+    resize(aspect);
 }
 
 ReportAssistantDialog::~ReportAssistantDialog()
diff --git a/src/drkonqidialog.cpp b/src/drkonqidialog.cpp
--- a/src/drkonqidialog.cpp
+++ b/src/drkonqidialog.cpp
@@ -73,18 +73,19 @@
     }
 
     m_backtraceWidget = new BacktraceWidget(DrKonqi::debuggerManager()->backtraceGenerator(), this);
-    m_backtraceWidget->setMinimumSize(QSize(575, 240));
     m_tabWidget->addTab(m_backtraceWidget, i18nc("@title:tab", "&Developer Information"));
 
     m_tabWidget->tabBar()->setVisible(m_tabWidget->count() > 1);
 
     buildDialogButtons();
 
-    setMinimumSize(QSize(640,320));
-    resize(minimumSize());
-
     KWindowConfig::restoreWindowSize(windowHandle(), config);
     setLayout(l);
+
+    // Force a 16:9 ratio for nice appearance by default.
+    QSize aspect(16, 9);
+    aspect.scale(sizeHint(), Qt::KeepAspectRatioByExpanding);
+    resize(aspect);
 }
 
 DrKonqiDialog::~DrKonqiDialog()
diff --git a/src/ui/backtracewidget.ui b/src/ui/backtracewidget.ui
--- a/src/ui/backtracewidget.ui
+++ b/src/ui/backtracewidget.ui
@@ -31,7 +31,16 @@
            <property name="spacing">
             <number>0</number>
            </property>
-           <property name="margin">
+           <property name="leftMargin">
+            <number>0</number>
+           </property>
+           <property name="topMargin">
+            <number>0</number>
+           </property>
+           <property name="rightMargin">
+            <number>0</number>
+           </property>
+           <property name="bottomMargin">
             <number>0</number>
            </property>
            <item>
@@ -41,7 +50,16 @@
          </widget>
          <widget class="QWidget" name="backtraceHelpPage">
           <layout class="QVBoxLayout" name="verticalLayout_3">
-           <property name="margin">
+           <property name="leftMargin">
+            <number>4</number>
+           </property>
+           <property name="topMargin">
+            <number>4</number>
+           </property>
+           <property name="rightMargin">
+            <number>4</number>
+           </property>
+           <property name="bottomMargin">
             <number>4</number>
            </property>
            <item>
@@ -70,6 +88,12 @@
              </item>
              <item>
               <widget class="QLabel" name="m_backtraceHelpLabel">
+               <property name="sizePolicy">
+                <sizepolicy hsizetype="Minimum" vsizetype="Minimum">
+                 <horstretch>0</horstretch>
+                 <verstretch>0</verstretch>
+                </sizepolicy>
+               </property>
                <property name="wordWrap">
                 <bool>true</bool>
                </property>
@@ -140,6 +164,12 @@
       <layout class="QVBoxLayout" name="verticalLayout_2">
        <item>
         <widget class="QLabel" name="m_extraDetailsLabel">
+         <property name="sizePolicy">
+          <sizepolicy hsizetype="Minimum" vsizetype="Minimum">
+           <horstretch>0</horstretch>
+           <verstretch>0</verstretch>
+          </sizepolicy>
+         </property>
          <property name="textFormat">
           <enum>Qt::RichText</enum>
          </property>
diff --git a/src/ui/maindialog.ui b/src/ui/maindialog.ui
--- a/src/ui/maindialog.ui
+++ b/src/ui/maindialog.ui
@@ -33,6 +33,12 @@
       <layout class="QVBoxLayout" name="verticalLayout">
        <item>
         <widget class="QLabel" name="titleLabel">
+         <property name="sizePolicy">
+          <sizepolicy hsizetype="Minimum" vsizetype="Minimum">
+           <horstretch>0</horstretch>
+           <verstretch>0</verstretch>
+          </sizepolicy>
+         </property>
          <property name="text">
           <string notr="true"/>
          </property>
@@ -43,6 +49,12 @@
        </item>
        <item>
         <widget class="QLabel" name="infoLabel">
+         <property name="sizePolicy">
+          <sizepolicy hsizetype="Minimum" vsizetype="Minimum">
+           <horstretch>0</horstretch>
+           <verstretch>0</verstretch>
+          </sizepolicy>
+         </property>
          <property name="text">
           <string notr="true"/>
          </property>
@@ -70,6 +82,12 @@
    </item>
    <item>
     <widget class="QLabel" name="detailsTitleLabel">
+     <property name="sizePolicy">
+      <sizepolicy hsizetype="Minimum" vsizetype="Minimum">
+       <horstretch>0</horstretch>
+       <verstretch>0</verstretch>
+      </sizepolicy>
+     </property>
      <property name="text">
       <string notr="true"/>
      </property>
@@ -80,6 +98,12 @@
    </item>
    <item>
     <widget class="QLabel" name="detailsLabel">
+     <property name="sizePolicy">
+      <sizepolicy hsizetype="Minimum" vsizetype="Minimum">
+       <horstretch>0</horstretch>
+       <verstretch>0</verstretch>
+      </sizepolicy>
+     </property>
      <property name="text">
       <string notr="true"/>
      </property>