comments and comments since

python/core/auto_generated/qgslegendsettings.sip.in

@@ -192,6 +192,24 @@ Sets the legend map ``scale``.
 The ``scale`` value indicates the scale denominator, e.g. 1000.0 for a 1:1000 map.
 
 .. seealso:: :py:func:`mapScale`
+%End
+
+    double mapUnitsPerPixel() const;
+%Docstring
+Returns the factor of map units per pixel for symbols with size given in map units calculated by dpi and mmPerMapUnit
+
+.. seealso:: :py:func:`setMapUnitsPerPixel`
+
+.. versionadded:: 3.6
+%End
+
+    void setMapUnitsPerPixel( double mapUnitsPerPixel );
+%Docstring
+Sets the the mmPerMapUnit calculated by ``mapUnitsPerPixel`` mostly taken from the map settings.
+
+.. seealso:: :py:func:`mapUnitsPerPixel`
+
+.. versionadded:: 3.6
 %End
 
     int dpi() const;

src/core/qgslegendsettings.h

@@ -179,14 +179,16 @@ class CORE_EXPORT QgsLegendSettings
     void setMapScale( double scale ) { mMapScale = scale; }
 
     /**
-     * Returns the factor of map units per pixel for symbols with size given in map units calculated by mDpi and mMmPerMapUnit
+     * Returns the factor of map units per pixel for symbols with size given in map units calculated by dpi and mmPerMapUnit
      * \see setMapUnitsPerPixel()
+     * \since QGIS 3.6
      */
     double mapUnitsPerPixel() const;
 
     /**
-     * Sets the the mMmPerMapUnit calculated by \a mapUnitsPerPixel mostly taken from the map settings.
+     * Sets the the mmPerMapUnit calculated by \a mapUnitsPerPixel mostly taken from the map settings.
      * \see mapUnitsPerPixel()
+     * \since QGIS 3.6
      */
     void setMapUnitsPerPixel( double mapUnitsPerPixel );