diff --git a/.github/FUNDING.yml b/.github/FUNDING.yml
index 1b34d7088..0c08541e1 100644
--- a/.github/FUNDING.yml
+++ b/.github/FUNDING.yml
@@ -1 +1 @@
-custom: ["https://www.paypal.com/paypalme/my/profile"]
+custom: ["https://paypal.me/littlevgl?locale.x=en_US"]
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0ae4be1f3..2a92f840d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,7 +4,12 @@
 *Available in the `dev` branch*
 
 ## v7.3.1 (planned on 18.08.2020)
-*Available in the `master` branch*
+
+### Bugfixes
+- Fix drawing value string twice
+- Rename  `lv_chart_clear_serie` to `lv_chart_clear_series` and `lv_obj_align_origo` to `lv_obj_align_mid`
+- Add linemeter's mirror feature again
+- Fix text decor (udnerline strikethrough) with older versions of font converter
 
 ## v7.3.0 (04.08.2020)
 
diff --git a/docs/ROADMAP.md b/docs/ROADMAP.md
index a30893f76..5affba5f7 100644
--- a/docs/ROADMAP.md
+++ b/docs/ROADMAP.md
@@ -31,4 +31,5 @@ Planned to September/October 2020
 - Optmize font decompression
 - Switch to RGBA colors in styles
 - Need coverage report for tests
-- Need static analize (via coverity.io or somehing else). 
+- Need static analize (via coverity.io or somehing else)
+- Support dot_begin and dot_middle long modes for labels
diff --git a/src/lv_api_map.h b/src/lv_api_map.h
index 926e9ec47..d8e904e8a 100644
--- a/src/lv_api_map.h
+++ b/src/lv_api_map.h
@@ -200,8 +200,30 @@ static inline void lv_chart_set_range(lv_obj_t * chart, lv_coord_t ymin, lv_coor
 {
     lv_chart_set_y_range(chart, LV_CHART_AXIS_PRIMARY_Y, ymin,  ymax);
 }
+
+
+static inline void lv_chart_clear_serie(lv_obj_t * chart, lv_chart_series_t * series)
+{
+    lv_chart_clear_series(chart, series);
+}
+
 #endif
 
+static inline void lv_obj_align_origo(lv_obj_t * obj, const lv_obj_t * base, lv_align_t align, lv_coord_t x_ofs, lv_coord_t y_ofs)
+{
+    lv_obj_align_mid(obj, base, align, x_ofs, y_ofs);
+}
+
+static inline void lv_obj_align_origo_x(lv_obj_t * obj, const lv_obj_t * base, lv_align_t align, lv_coord_t x_ofs)
+{
+    lv_obj_align_mid_y(obj, base, align, x_ofs);
+}
+
+static inline void lv_obj_align_origo_y(lv_obj_t * obj, const lv_obj_t * base, lv_align_t align, lv_coord_t y_ofs)
+{
+    lv_obj_align_mid_y(obj, base, align, y_ofs);
+}
+
 #endif /*LV_USE_API_EXTENSION_V6*/
 /**********************
  *      MACROS
diff --git a/src/lv_core/lv_obj.c b/src/lv_core/lv_obj.c
index a3051e529..e8b50b0e1 100644
--- a/src/lv_core/lv_obj.c
+++ b/src/lv_core/lv_obj.c
@@ -87,7 +87,7 @@ static void refresh_children_style(lv_obj_t * obj);
 static void base_dir_refr_children(lv_obj_t * obj);
 static void obj_align_core(lv_obj_t * obj, const lv_obj_t * base, lv_align_t align, bool x_set, bool y_set,
                            lv_coord_t x_ofs, lv_coord_t y_ofs);
-static void obj_align_origo_core(lv_obj_t * obj, const lv_obj_t * base, lv_align_t align,  bool x_set, bool y_set,
+static void obj_align_mid_core(lv_obj_t * obj, const lv_obj_t * base, lv_align_t align,  bool x_set, bool y_set,
                                  lv_coord_t x_ofs, lv_coord_t y_ofs);
 #if LV_USE_ANIMATION
 static lv_style_trans_t * trans_create(lv_obj_t * obj, lv_style_property_t prop, uint8_t part, lv_state_t prev_state,
@@ -911,7 +911,7 @@ void lv_obj_align(lv_obj_t * obj, const lv_obj_t * base, lv_align_t align, lv_co
     obj->realign.xofs        = x_ofs;
     obj->realign.yofs        = y_ofs;
     obj->realign.base        = base;
-    obj->realign.origo_align = 0;
+    obj->realign.mid_align = 0;
 #endif
 }
 
@@ -959,7 +959,7 @@ void lv_obj_align_y(lv_obj_t * obj, const lv_obj_t * base, lv_align_t align, lv_
  * @param x_ofs x coordinate offset after alignment
  * @param y_ofs y coordinate offset after alignment
  */
-void lv_obj_align_origo(lv_obj_t * obj, const lv_obj_t * base, lv_align_t align, lv_coord_t x_ofs, lv_coord_t y_ofs)
+void lv_obj_align_mid(lv_obj_t * obj, const lv_obj_t * base, lv_align_t align, lv_coord_t x_ofs, lv_coord_t y_ofs)
 {
     LV_ASSERT_OBJ(obj, LV_OBJX_NAME);
 
@@ -970,7 +970,7 @@ void lv_obj_align_origo(lv_obj_t * obj, const lv_obj_t * base, lv_align_t align,
     LV_ASSERT_OBJ(base, LV_OBJX_NAME);
 
 
-    obj_align_origo_core(obj, base, align, true, true, x_ofs, y_ofs);
+    obj_align_mid_core(obj, base, align, true, true, x_ofs, y_ofs);
 
 #if LV_USE_OBJ_REALIGN
     /*Save the last align parameters to use them in `lv_obj_realign`*/
@@ -978,7 +978,7 @@ void lv_obj_align_origo(lv_obj_t * obj, const lv_obj_t * base, lv_align_t align,
     obj->realign.xofs        = x_ofs;
     obj->realign.yofs        = y_ofs;
     obj->realign.base        = base;
-    obj->realign.origo_align = 1;
+    obj->realign.mid_align = 1;
 #endif
 }
 
@@ -989,7 +989,7 @@ void lv_obj_align_origo(lv_obj_t * obj, const lv_obj_t * base, lv_align_t align,
  * @param align type of alignment (see 'lv_align_t' enum)
  * @param x_ofs x coordinate offset after alignment
  */
-void lv_obj_align_origo_x(lv_obj_t * obj, const lv_obj_t * base, lv_align_t align, lv_coord_t x_ofs)
+void lv_obj_align_mid_x(lv_obj_t * obj, const lv_obj_t * base, lv_align_t align, lv_coord_t x_ofs)
 {
     LV_ASSERT_OBJ(obj, LV_OBJX_NAME);
 
@@ -1000,7 +1000,7 @@ void lv_obj_align_origo_x(lv_obj_t * obj, const lv_obj_t * base, lv_align_t alig
     LV_ASSERT_OBJ(base, LV_OBJX_NAME);
 
 
-    obj_align_origo_core(obj, base, align, true, false, x_ofs, 0);
+    obj_align_mid_core(obj, base, align, true, false, x_ofs, 0);
 }
 
 
@@ -1011,7 +1011,7 @@ void lv_obj_align_origo_x(lv_obj_t * obj, const lv_obj_t * base, lv_align_t alig
  * @param align type of alignment (see 'lv_align_t' enum)
  * @param y_ofs y coordinate offset after alignment
  */
-void lv_obj_align_origo_y(lv_obj_t * obj, const lv_obj_t * base, lv_align_t align, lv_coord_t y_ofs)
+void lv_obj_align_mid_y(lv_obj_t * obj, const lv_obj_t * base, lv_align_t align, lv_coord_t y_ofs)
 {
     LV_ASSERT_OBJ(obj, LV_OBJX_NAME);
 
@@ -1022,7 +1022,7 @@ void lv_obj_align_origo_y(lv_obj_t * obj, const lv_obj_t * base, lv_align_t alig
     LV_ASSERT_OBJ(base, LV_OBJX_NAME);
 
 
-    obj_align_origo_core(obj, base, align, true, false, 0, y_ofs);
+    obj_align_mid_core(obj, base, align, true, false, 0, y_ofs);
 }
 
 /**
@@ -1034,8 +1034,8 @@ void lv_obj_realign(lv_obj_t * obj)
     LV_ASSERT_OBJ(obj, LV_OBJX_NAME);
 
 #if LV_USE_OBJ_REALIGN
-    if(obj->realign.origo_align)
-        lv_obj_align_origo(obj, obj->realign.base, obj->realign.align, obj->realign.xofs, obj->realign.yofs);
+    if(obj->realign.mid_align)
+        lv_obj_align_mid(obj, obj->realign.base, obj->realign.align, obj->realign.xofs, obj->realign.yofs);
     else
         lv_obj_align(obj, obj->realign.base, obj->realign.align, obj->realign.xofs, obj->realign.yofs);
 #else
@@ -3676,6 +3676,7 @@ static lv_design_res_t lv_obj_design(lv_obj_t * obj, const lv_area_t * clip_area
             draw_dsc.bg_opa = LV_OPA_TRANSP;
             draw_dsc.pattern_opa = LV_OPA_TRANSP;
             draw_dsc.shadow_opa = LV_OPA_TRANSP;
+            draw_dsc.value_opa = LV_OPA_TRANSP;
             lv_obj_init_draw_rect_dsc(obj, LV_OBJ_PART_MAIN, &draw_dsc);
 
             lv_coord_t w = lv_obj_get_style_transform_width(obj, LV_OBJ_PART_MAIN);
@@ -3892,7 +3893,7 @@ static void obj_align_core(lv_obj_t * obj, const lv_obj_t * base, lv_align_t ali
     else if(y_set) lv_obj_set_y(obj, new_pos.y);
 }
 
-static void obj_align_origo_core(lv_obj_t * obj, const lv_obj_t * base, lv_align_t align,  bool x_set, bool y_set,
+static void obj_align_mid_core(lv_obj_t * obj, const lv_obj_t * base, lv_align_t align,  bool x_set, bool y_set,
                                  lv_coord_t x_ofs, lv_coord_t y_ofs)
 {
     lv_coord_t new_x = lv_obj_get_x(obj);
diff --git a/src/lv_core/lv_obj.h b/src/lv_core/lv_obj.h
index 9815d3b9b..5d10eb3bc 100644
--- a/src/lv_core/lv_obj.h
+++ b/src/lv_core/lv_obj.h
@@ -162,7 +162,7 @@ typedef struct {
     lv_coord_t yofs;
     lv_align_t align;
     uint8_t auto_realign : 1;
-    uint8_t origo_align : 1; /**< 1: the origo (center of the object) was aligned with
+    uint8_t mid_align : 1; /**< 1: the origo (center of the object) was aligned with
                                 `lv_obj_align_origo`*/
 } lv_realign_t;
 #endif
@@ -494,7 +494,7 @@ void lv_obj_align_y(lv_obj_t * obj, const lv_obj_t * base, lv_align_t align, lv_
  * @param x_ofs x coordinate offset after alignment
  * @param y_ofs y coordinate offset after alignment
  */
-void lv_obj_align_origo(lv_obj_t * obj, const lv_obj_t * base, lv_align_t align, lv_coord_t x_ofs, lv_coord_t y_ofs);
+void lv_obj_align_mid(lv_obj_t * obj, const lv_obj_t * base, lv_align_t align, lv_coord_t x_ofs, lv_coord_t y_ofs);
 
 
 /**
@@ -504,7 +504,7 @@ void lv_obj_align_origo(lv_obj_t * obj, const lv_obj_t * base, lv_align_t align,
  * @param align type of alignment (see 'lv_align_t' enum)
  * @param x_ofs x coordinate offset after alignment
  */
-void lv_obj_align_origo_x(lv_obj_t * obj, const lv_obj_t * base, lv_align_t align, lv_coord_t x_ofs);
+void lv_obj_align_mid_x(lv_obj_t * obj, const lv_obj_t * base, lv_align_t align, lv_coord_t x_ofs);
 
 /**
  * Align an object's middle point to an other object vertically.
@@ -513,7 +513,7 @@ void lv_obj_align_origo_x(lv_obj_t * obj, const lv_obj_t * base, lv_align_t alig
  * @param align type of alignment (see 'lv_align_t' enum)
  * @param y_ofs y coordinate offset after alignment
  */
-void lv_obj_align_origo_y(lv_obj_t * obj, const lv_obj_t * base, lv_align_t align, lv_coord_t y_ofs);
+void lv_obj_align_mid_y(lv_obj_t * obj, const lv_obj_t * base, lv_align_t align, lv_coord_t y_ofs);
 
 /**
  * Realign the object based on the last `lv_obj_align` parameters.
diff --git a/src/lv_draw/lv_draw_label.c b/src/lv_draw/lv_draw_label.c
index 30c19404e..113393e34 100644
--- a/src/lv_draw/lv_draw_label.c
+++ b/src/lv_draw/lv_draw_label.c
@@ -216,11 +216,11 @@ LV_ATTRIBUTE_FAST_MEM void lv_draw_label(const lv_area_t * coords, const lv_area
         sel_end = tmp;
     }
     lv_draw_line_dsc_t line_dsc;
-    //dsc->decor  = LV_TEXT_DECOR_UNDERLINE;
+
     if((dsc->decor & LV_TEXT_DECOR_UNDERLINE) || (dsc->decor & LV_TEXT_DECOR_STRIKETHROUGH)) {
         lv_draw_line_dsc_init(&line_dsc);
         line_dsc.color = dsc->color;
-        line_dsc.width = font->underline_thickness;
+        line_dsc.width = font->underline_thickness ? font->underline_thickness : LV_MATH_MAX(font->line_height / 10, 1);
         line_dsc.opa = dsc->opa;
         line_dsc.blend_mode = dsc->blend_mode;
     }
diff --git a/src/lv_themes/lv_theme_empty.c b/src/lv_themes/lv_theme_empty.c
index 821bbd510..6900ef23c 100644
--- a/src/lv_themes/lv_theme_empty.c
+++ b/src/lv_themes/lv_theme_empty.c
@@ -95,7 +95,7 @@ lv_theme_t * lv_theme_empty_init(lv_color_t color_primary, lv_color_t color_seco
 }
 
 
-void theme_apply(lv_theme_t * th, lv_obj_t * obj, lv_theme_style_t name)
+static void theme_apply(lv_theme_t * th, lv_obj_t * obj, lv_theme_style_t name)
 {
     LV_UNUSED(th);
     if(name == LV_THEME_SCR) {
diff --git a/src/lv_widgets/lv_chart.c b/src/lv_widgets/lv_chart.c
index d7308cf88..c77ecd858 100644
--- a/src/lv_widgets/lv_chart.c
+++ b/src/lv_widgets/lv_chart.c
@@ -207,23 +207,23 @@ lv_chart_series_t * lv_chart_add_series(lv_obj_t * chart, lv_color_t color)
 /**
  * Clear the point of a series
  * @param chart pointer to a chart object
- * @param serie pointer to the chart's series to clear
+ * @param series pointer to the chart's series to clear
  */
-void lv_chart_clear_serie(lv_obj_t * chart, lv_chart_series_t * serie)
+void lv_chart_clear_series(lv_obj_t * chart, lv_chart_series_t * series)
 {
     LV_ASSERT_OBJ(chart, LV_OBJX_NAME);
-    LV_ASSERT_NULL(serie);
+    LV_ASSERT_NULL(series);
 
-    if(chart == NULL || serie == NULL) return;
+    if(chart == NULL || series == NULL) return;
     lv_chart_ext_t * ext = lv_obj_get_ext_attr(chart);
     if(ext == NULL) return;
 
     uint32_t i;
     for(i = 0; i < ext->point_cnt; i++) {
-        serie->points[i] = LV_CHART_POINT_DEF;
+        series->points[i] = LV_CHART_POINT_DEF;
     }
 
-    serie->start_point = 0;
+    series->start_point = 0;
 }
 
 /*=====================
diff --git a/src/lv_widgets/lv_chart.h b/src/lv_widgets/lv_chart.h
index e35c696c7..6f3deed8d 100644
--- a/src/lv_widgets/lv_chart.h
+++ b/src/lv_widgets/lv_chart.h
@@ -139,9 +139,9 @@ lv_chart_series_t * lv_chart_add_series(lv_obj_t * chart, lv_color_t color);
 /**
  * Clear the point of a series
  * @param chart pointer to a chart object
- * @param serie pointer to the chart's series to clear
+ * @param series pointer to the chart's series to clear
  */
-void lv_chart_clear_serie(lv_obj_t * chart, lv_chart_series_t * serie);
+void lv_chart_clear_series(lv_obj_t * chart, lv_chart_series_t * series);
 
 /*=====================
  * Setter functions
diff --git a/src/lv_widgets/lv_linemeter.c b/src/lv_widgets/lv_linemeter.c
index c8e7ae724..d8043f876 100644
--- a/src/lv_widgets/lv_linemeter.c
+++ b/src/lv_widgets/lv_linemeter.c
@@ -392,15 +392,15 @@ void lv_linemeter_draw_scale(lv_obj_t * lmeter, const lv_area_t * clip_area, uin
     lv_coord_t x_ofs  = lmeter->coords.x1 + r_out + left;
     lv_coord_t y_ofs  = lmeter->coords.y1 + r_out + top;
     int16_t angle_ofs = ext->angle_ofs + 90 + (360 - ext->scale_angle) / 2;
-    int16_t level =
-        (int32_t)((int32_t)(ext->cur_value - ext->min_value) * (ext->line_cnt - 1)) / (ext->max_value - ext->min_value);
+    int16_t level = ext->mirrored ?
+            (int32_t)((int32_t)(ext->max_value - ext->cur_value) * (ext->line_cnt - 1)) / (ext->max_value - ext->min_value) :
+            (int32_t)((int32_t)(ext->cur_value - ext->min_value) * (ext->line_cnt - 1)) / (ext->max_value - ext->min_value);
     uint8_t i;
 
     lv_color_t main_color = lv_obj_get_style_line_color(lmeter, part);
     lv_color_t grad_color = lv_obj_get_style_scale_grad_color(lmeter, part);
     lv_color_t end_color = lv_obj_get_style_scale_end_color(lmeter, part);
 
-
     lv_draw_line_dsc_t line_dsc;
     lv_draw_line_dsc_init(&line_dsc);
     lv_obj_init_draw_line_dsc(lmeter, part, &line_dsc);
@@ -520,11 +520,11 @@ void lv_linemeter_draw_scale(lv_obj_t * lmeter, const lv_area_t * clip_area, uin
         p1.y = y_out_extra;
 
         /* Set the color of the lines */
-        if(i > level) {
+        uint16_t index = ext->mirrored ? ext->line_cnt - i : i;
+        if((!ext->mirrored && i >= level) || (ext->mirrored && i <= level)) {
             line_dsc.color = end_color;
             line_dsc.width = end_line_width;
-        }
-        else {
+        } else {
             line_dsc.color = lv_color_mix(grad_color, main_color, (255 * i) / ext->line_cnt);
         }