diff --git a/src/circularplotman.cpp b/src/circularplotman.cpp
index 6a998b7728f6dc52a562a6ade45b187a637ec1bf..ac26adcefdf2793ee8a8fc1f746e43e00b16da49 100644
--- a/src/circularplotman.cpp
+++ b/src/circularplotman.cpp
@@ -27,9 +27,6 @@ bool PlotObjFilter::eventFilter(QObject *obj, QEvent *event)
         sli->setOrientation(Qt::Horizontal);
         sli->setMinimumSize(QSize(250, 40));
         sliw->setDefaultWidget(sli);
-
-        // slider value[1-300]. span = pow(10, value/100) --> span 0-1000
-        // slider with span 20 [-10; 10] --> setValue log10(20) * 100 = 130
         sli->setMinimum(1);
         sli->setMaximum(300);
         sli->setValue(obj->property("yScale").isNull() ? 130 : obj->property("yScale").toInt()); // -10 - 10
@@ -73,7 +70,6 @@ void CircularPlotMan::setup() {
         o[TTT::Period] = 50;
         watchers[i]->getContext()->setOptions(o);
         connect(watchers[i], SIGNAL(newData(CuData)), this, SLOT(update(CuData)));
-
         watchers[i + 2] = new QuWatcher(parent());
         watchers[i + 2]->getContext()->setOptions(o);
         number_drawables[i] = new NumberDrawable(circular_plots[i]);
@@ -146,14 +142,14 @@ void CircularPlotMan::update(const CuData &da) {
         NumberDrawable *dra = number_drawables[dra_i];
         if(dra) {
             QuCircularPlotCurve *c = idx == 0 ? plot->engine()->findCurve("hordata") : plot->engine()->findCurve("verdata");
-            const int& idx = c->selected(), &siz = m_corrnames.size();
+            const size_t& idx = c->selected(), &siz = m_corrnames.size();
             bool right = idx > siz / 4 && idx < siz * 3 /4; // text drawn on the right side
-            if(c && idx < y.size() && idx < (int) m_corrnames.size()) {
-                char v[32];
+            if(c && idx < v.size() && idx < m_corrnames.size()) {
+                char vs[32];
                 const char *corr = m_corrnames[idx].c_str();
-                if(right) snprintf(v, 32, "%.1f ← %s", y[idx], corr);
-                else snprintf(v, 32, "%s → %.1f", corr, y[idx]);
-                dra->setText(v);
+                if(right) snprintf(vs, 32, "%.1f ← %s", v[idx], corr);
+                else snprintf(vs, 32, "%s → %.1f", corr, v[idx]);
+                dra->setText(vs);
             }
         }
     }
diff --git a/src/main.cpp b/src/main.cpp
index 11d1b1c0fc802d9cd3bcdc0dfd281922836843e1..521eedd7dda989fafde1d7ee36aedbfa6b87c37f 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -30,6 +30,14 @@
 #define VERSION "2.0.0"
 
 int main( int argc, char ** argv ) {
+    if(QT_VERSION < QT_VERSION_CHECK(6,0,0)) {
+        printf("setenv: QT_QPA_PLATFORMTHEME=qt5ct\n");
+        setenv("QT_QPA_PLATFORMTHEME", "qt5ct", 0);
+    }
+    else {
+        printf("setenv: QT_QPA_PLATFORMTHEME=qt6ct\n");
+        setenv("QT_QPA_PLATFORMTHEME", "qt6ct", 0);
+    }
     CumbiaPool *p = new CumbiaPool();
     CuControlsFactoryPool fpool;
     QuApplication a( argc, argv, p, &fpool);
@@ -42,6 +50,8 @@ int main( int argc, char ** argv ) {
     }
 
     Gof* mw = new Gof(0, argv[1], argv[2]);
+    if(argc > 1 && strcmp(argv[1] ,"sr/feedback/gof2_profile")==0)
+        mw->setWindowTitle("GOF (experimental)");
     mw->show();
 
 
diff --git a/src/numberdrawable.cpp b/src/numberdrawable.cpp
index 3452208f545819056ad2701837bd3e90ab291a84..02759413317936c27bb6c8561c2d6d100bb89451 100644
--- a/src/numberdrawable.cpp
+++ b/src/numberdrawable.cpp
@@ -5,7 +5,7 @@
 #include <qupalette.h>
 
 NumberDrawable::NumberDrawable(QObject *parent)
-    : QObject(parent),  m_s("#") {}
+    : QObject(parent),  m_s("#"), m_fmt("%.1f") {}
 
 void NumberDrawable::setText(const std::string &t) {
     m_s = t;
@@ -26,7 +26,11 @@ std::string NumberDrawable::text() const {
 void NumberDrawable::update(const CuData &da) {
     const std::string& src = da.s(TTT::Src);
     if(!da.B(TTT::Err)) {
-        m_s = da.s(TTT::Value);
+        if(da.s(TTT::Type) == "property") {
+            m_fmt = da.s(TTT::NumberFormat);
+        }
+        bool ok;
+        m_s = da[TTT::Value].toString(&ok, m_fmt.c_str());
     } else {
         m_s = "##";
     }
diff --git a/src/numberdrawable.h b/src/numberdrawable.h
index b31ec1ae10d85e90fa01ba5880b0dcec3fbbed24..ba024b49eda2992fb5421421d55b349e8c2b4da4 100644
--- a/src/numberdrawable.h
+++ b/src/numberdrawable.h
@@ -25,7 +25,7 @@ public:
     int z() const;
     void draw(QPainter *p, const QuCircularPlotEngine *plot_e, double inner_radius, double outer_radius, const QRectF &rect, QWidget *widget);
 
-    std::string m_s;
+    std::string m_s, m_fmt;
     double m_w, m_h;
     QPointF m_pos;
     QFont m_font;