diff --git a/lv_conf_checker.h b/lv_conf_checker.h
index f899fa568..323483350 100644
--- a/lv_conf_checker.h
+++ b/lv_conf_checker.h
@@ -195,8 +195,6 @@
 #endif
 #endif   /*LV_TICK_CUSTOM*/
 
-typedef void * lv_disp_drv_user_data_t;                 /*Type of user data in the display driver*/
-typedef void * lv_indev_drv_user_data_t;                /*Type of user data in the display driver*/
 
 /*Log settings*/
 #ifndef USE_LV_LOG
@@ -332,12 +330,6 @@ typedef void * lv_indev_drv_user_data_t;                /*Type of user data in t
 /*===================
  *  LV_OBJ SETTINGS
  *==================*/
-#ifndef LV_OBJ_FREE_NUM_TYPE
-#define LV_OBJ_FREE_NUM_TYPE    uint32_t    /*Type of free number attribute (comment out disable free number)*/
-#endif
-#ifndef LV_OBJ_FREE_PTR
-#define LV_OBJ_FREE_PTR         1           /*Enable the free pointer attribute*/
-#endif
 #ifndef LV_OBJ_REALIGN
 #define LV_OBJ_REALIGN          1           /*Enable `lv_obj_realaign()` based on `lv_obj_align()` parameters*/
 #endif
diff --git a/lv_conf_checker.py b/lv_conf_checker.py
index 64fd2c8c0..1c9cb421a 100644
--- a/lv_conf_checker.py
+++ b/lv_conf_checker.py
@@ -42,6 +42,8 @@ for i in inlines:
     fout.write('#ifndef ' + splitted[1] + '\n')
     fout.write(i + '\n') 
     fout.write('#endif\n')
+  elif(re.search('^ *typedef .*;.*$', i)):
+    continue;   #igonre typedefs to avoide redeclaration
   else:
     fout.write(i + '\n')  
     
diff --git a/lv_core/lv_group.c b/lv_core/lv_group.c
index 6a4550890..c53078399 100644
--- a/lv_core/lv_group.c
+++ b/lv_core/lv_group.c
@@ -23,8 +23,8 @@
 /**********************
  *  STATIC PROTOTYPES
  **********************/
-static void style_mod_def(lv_style_t * style);
-static void style_mod_edit_def(lv_style_t * style);
+static void style_mod_def(lv_group_t * group, lv_style_t * style);
+static void style_mod_edit_def(lv_group_t * group, lv_style_t * style);
 static void refresh_theme(lv_group_t * g, lv_theme_t * th);
 static void focus_next_core(lv_group_t * group, void * (*begin)(const lv_ll_t *), void * (*move)(const lv_ll_t *, const void *));
 static void lv_group_refocus(lv_group_t * g);
@@ -68,6 +68,9 @@ lv_group_t * lv_group_create(void)
     group->refocus_policy = LV_GROUP_REFOCUS_POLICY_PREV;
     group->wrap = 1;
 
+
+
+
     /*Initialize style modification callbacks from current theme*/
     refresh_theme(group, lv_theme_get_current());
 
@@ -187,6 +190,7 @@ void lv_group_focus_obj(lv_obj_t * obj)
             if(g->obj_focus == i) return;       /*Don't focus the already focused object again*/
             if(g->obj_focus != NULL) {
                 (*g->obj_focus)->signal_cb(*g->obj_focus, LV_SIGNAL_DEFOCUS, NULL);
+                lv_obj_send_event(*g->obj_focus, LV_EVENT_DEFOCUSED);
                 lv_obj_invalidate(*g->obj_focus);
             }
 
@@ -195,6 +199,7 @@ void lv_group_focus_obj(lv_obj_t * obj)
             if(g->obj_focus != NULL) {
                 (*g->obj_focus)->signal_cb(*g->obj_focus, LV_SIGNAL_FOCUS, NULL);
                 if(g->focus_cb) g->focus_cb(g);
+                lv_obj_send_event(*g->obj_focus, LV_EVENT_FOCUSED);
                 lv_obj_invalidate(*g->obj_focus);
             }
             break;
@@ -291,7 +296,10 @@ void lv_group_set_editing(lv_group_t * group, bool edit)
     group->editing = en_val;
     lv_obj_t * focused = lv_group_get_focused(group);
 
-    if(focused) focused->signal_cb(focused, LV_SIGNAL_FOCUS, NULL);       /*Focus again to properly leave edit mode*/
+    if(focused) {
+        focused->signal_cb(focused, LV_SIGNAL_FOCUS, NULL);       /*Focus again to properly leave/open edit/navigate mode*/
+        lv_obj_send_event(*group->obj_focus, LV_EVENT_FOCUSED);
+    }
 
     lv_obj_invalidate(focused);
 }
@@ -341,12 +349,13 @@ void lv_group_set_wrap(lv_group_t * group, bool en)
  */
 lv_style_t * lv_group_mod_style(lv_group_t * group, const lv_style_t * style)
 {
+    /*Load the current style. It will be modified by the callback*/
     lv_style_copy(&group->style_tmp, style);
 
     if(group->editing) {
-        if(group->style_mod_edit) group->style_mod_edit(&group->style_tmp);
+        if(group->style_mod_edit) group->style_mod_edit(group, &group->style_tmp);
     } else {
-        if(group->style_mod) group->style_mod(&group->style_tmp);
+        if(group->style_mod) group->style_mod(group, &group->style_tmp);
     }
     return &group->style_tmp;
 }
@@ -455,10 +464,12 @@ void lv_group_report_style_mod(lv_group_t * group)
 
 /**
  * Default style modifier function
+ * @param group pointer to the caller group
  * @param style pointer to a style to modify. (Typically group.style_tmp) It will be OVERWRITTEN.
  */
-static void style_mod_def(lv_style_t * style)
+static void style_mod_def(lv_group_t * group, lv_style_t * style)
 {
+    (void)group;    /*Unused*/
 #if LV_COLOR_DEPTH != 1
 
     /*Make the style to be a little bit orange*/
@@ -484,10 +495,12 @@ static void style_mod_def(lv_style_t * style)
 
 /**
  * Default style modifier function
+ * @param group pointer to the caller group
  * @param style pointer to a style to modify. (Typically group.style_tmp) It will be OVERWRITTEN.
  */
-static void style_mod_edit_def(lv_style_t * style)
+static void style_mod_edit_def(lv_group_t * group, lv_style_t * style)
 {
+    (void)group;    /*Unused*/
 #if LV_COLOR_DEPTH != 1
 
     /*Make the style to be a little bit orange*/
@@ -569,12 +582,14 @@ static void focus_next_core(lv_group_t * group, void * (*begin)(const lv_ll_t *)
 
     if(group->obj_focus) {
         (*group->obj_focus)->signal_cb(*group->obj_focus, LV_SIGNAL_DEFOCUS, NULL);
+        lv_obj_send_event(*group->obj_focus, LV_EVENT_DEFOCUSED);
         lv_obj_invalidate(*group->obj_focus);
     }
 
     group->obj_focus = obj_next;
 
     (*group->obj_focus)->signal_cb(*group->obj_focus, LV_SIGNAL_FOCUS, NULL);
+    lv_obj_send_event(*group->obj_focus, LV_EVENT_FOCUSED);
     lv_obj_invalidate(*group->obj_focus);
 
     if(group->focus_cb) group->focus_cb(group);
diff --git a/lv_core/lv_group.h b/lv_core/lv_group.h
index 7b3a6d482..710dd0583 100644
--- a/lv_core/lv_group.h
+++ b/lv_core/lv_group.h
@@ -45,7 +45,7 @@ extern "C" {
  **********************/
 struct _lv_group_t;
 
-typedef void (*lv_group_style_mod_func_t)(lv_style_t *);
+typedef void (*lv_group_style_mod_func_t)(struct _lv_group_t *, lv_style_t *);
 typedef void (*lv_group_focus_cb_t)(struct _lv_group_t *);
 
 typedef struct _lv_group_t
@@ -56,6 +56,16 @@ typedef struct _lv_group_t
     lv_group_style_mod_func_t style_mod_edit;/*A function which modifies the style of the focused object*/
     lv_group_focus_cb_t focus_cb;           /*A function to call when a new object is focused (optional)*/
     lv_style_t style_tmp;                   /*Stores the modified style of the focused object */
+#if USE_LV_USER_DATA_SINGLE
+    lv_group_user_data_t    user_data;
+#endif
+
+#if USE_LV_USER_DATA_MULTI
+    lv_group_user_data_t    focus_user_data;
+    lv_group_user_data_t    style_mod_user_data;
+    lv_group_user_data_t    style_mod_edit_user_data;
+#endif
+
     uint8_t frozen          :1;             /*1: can't focus to new object*/
     uint8_t editing         :1;             /*1: Edit mode, 0: Navigate mode*/
     uint8_t click_focus     :1;             /*1: If an object in a group is clicked by an indev then it will be focused */
diff --git a/lv_core/lv_indev.c b/lv_core/lv_indev.c
index 3dfaabbde..107ecc8eb 100644
--- a/lv_core/lv_indev.c
+++ b/lv_core/lv_indev.c
@@ -661,6 +661,7 @@ static void indev_proc_press(lv_indev_proc_t * proc)
         if(proc->types.pointer.act_obj != NULL) {
             proc->types.pointer.act_obj->signal_cb(proc->types.pointer.act_obj, LV_SIGNAL_PRESS_LOST, indev_act);
             lv_obj_send_event(proc->types.pointer.act_obj, LV_EVENT_PRESS_LOST);
+
             if(proc->reset_query != 0) return;
         }
 
@@ -770,8 +771,8 @@ static void indev_proc_release(lv_indev_proc_t * proc)
         proc->types.pointer.wait_unil_release = 0;
     }
 
-    /*Forgot the act obj and send a released signal */
-    if(proc->types.pointer.act_obj != NULL) {
+    /*Forget the act obj and send a released signal */
+    if(proc->types.pointer.act_obj) {
         /* If the object was protected against press lost then it possible that
          * the object is already not pressed but still it is the `act_obj`.
          * In this case send the `LV_SIGNAL_RELEASED/CLICKED` of `LV_SIGNAL_PRESS_LOST`  if the indev is ON the `types.pointer.act_obj` */
@@ -800,14 +801,11 @@ static void indev_proc_release(lv_indev_proc_t * proc)
         /*Handle click focus*/
 #if USE_LV_GROUP
         /*Edit mode is not used by POINTER devices. So leave edit mode if we are in it*/
-        lv_group_t * act_g = lv_obj_get_group(proc->types.pointer.act_obj);
-        if(lv_group_get_editing(act_g)) {
-            lv_group_set_editing(act_g, false);
-        }
+        lv_group_t * g = lv_obj_get_group(proc->types.pointer.act_obj);
+        if(lv_group_get_editing(g)) lv_group_set_editing(g, false);
 
         /*Check, if the parent is in a group focus on it.*/
-        if(lv_obj_is_protected(proc->types.pointer.act_obj, LV_PROTECT_CLICK_FOCUS) == false) {       /*Respect the click protection*/
-            lv_group_t * g = lv_obj_get_group(proc->types.pointer.act_obj);
+        if(lv_obj_is_protected(proc->types.pointer.act_obj, LV_PROTECT_CLICK_FOCUS) == false) {       /*Respect the click focus protection*/
             lv_obj_t * parent = proc->types.pointer.act_obj;
 
             while(g == NULL) {
@@ -820,13 +818,25 @@ static void indev_proc_release(lv_indev_proc_t * proc)
                 g = lv_obj_get_group(parent);
             }
 
-            if(g != NULL && parent != NULL)
+            /* If a pareit is in a group make it focused.
+             * `LV_EVENT_FOCUSED/DEFOCUSED` will be sent by `lv_group_focus_obj`*/
+            if(g && parent) {
                 if(lv_group_get_click_focus(g)) {
                     lv_group_focus_obj(parent);
                 }
+            }
         }
 #endif
 
+        /* Send defocus to the lastly "active" object and foucus to the new one.
+         * If the one of them is in group then it possible that `lv_group_focus_obj` alraedy sent
+         * a focus/defucus signal because of `click focus`*/
+        if(proc->types.pointer.last_pressed != proc->types.pointer.act_obj) {
+            lv_obj_send_event(proc->types.pointer.last_pressed, LV_EVENT_DEFOCUSED);
+            lv_obj_send_event(proc->types.pointer.act_obj, LV_EVENT_FOCUSED);
+            proc->types.pointer.last_pressed = proc->types.pointer.act_obj;
+        }
+
         if(proc->reset_query != 0) return;
         proc->types.pointer.act_obj = NULL;
         proc->pr_timestamp = 0;
@@ -853,6 +863,7 @@ static void indev_proc_reset_query_handler(lv_indev_t * indev)
     if(indev->proc.reset_query) {
         indev->proc.types.pointer.act_obj = NULL;
         indev->proc.types.pointer.last_obj = NULL;
+        indev->proc.types.pointer.last_pressed = NULL;
         indev->proc.types.pointer.drag_limit_out = 0;
         indev->proc.types.pointer.drag_in_prog = 0;
         indev->proc.long_pr_sent = 0;
diff --git a/lv_core/lv_obj.c b/lv_core/lv_obj.c
index 2c057e6f0..9a11b12f7 100644
--- a/lv_core/lv_obj.c
+++ b/lv_core/lv_obj.c
@@ -1161,6 +1161,8 @@ void lv_obj_set_event_cb(lv_obj_t * obj, lv_event_cb_t cb)
  */
 void lv_obj_send_event(lv_obj_t * obj, lv_event_t event)
 {
+    if(obj == NULL) return;
+
     if(obj->event_cb) obj->event_cb(obj, event);
 
     if(obj->event_parent && obj->par) {
diff --git a/lv_hal/lv_hal_indev.h b/lv_hal/lv_hal_indev.h
index 11b903891..63ad23068 100644
--- a/lv_hal/lv_hal_indev.h
+++ b/lv_hal/lv_hal_indev.h
@@ -92,8 +92,9 @@ typedef struct _lv_indev_proc_t {
             lv_point_t vect;
             lv_point_t drag_sum;                /*Count the dragged pixels to check LV_INDEV_DRAG_LIMIT*/
             lv_point_t drag_throw_vect;
-            struct _lv_obj_t * act_obj;
-            struct _lv_obj_t * last_obj;
+            struct _lv_obj_t * act_obj;         /*The object being pressed*/
+            struct _lv_obj_t * last_obj;        /*The last obejct which was pressed (used by dragthrow and other post-release event)*/
+            struct _lv_obj_t * last_pressed;    /*The lastly pressed object*/
 
             /*Flags*/
             uint8_t drag_limit_out      :1;
diff --git a/lv_objx/lv_page.c b/lv_objx/lv_page.c
index 2b6247f6b..b2fef00bb 100644
--- a/lv_objx/lv_page.c
+++ b/lv_objx/lv_page.c
@@ -1024,7 +1024,9 @@ static void scrl_def_event_cb(lv_obj_t * scrl, lv_event_t event)
             event == LV_EVENT_LONG_PRESSED ||
             event == LV_EVENT_LONG_PRESSED_REPEAT ||
             event == LV_EVENT_LONG_HOVER_IN ||
-            event == LV_EVENT_LONG_HOVER_OUT)
+            event == LV_EVENT_LONG_HOVER_OUT ||
+            event == LV_EVENT_FOCUSED ||
+            event == LV_EVENT_DEFOCUSED)
     {
         lv_obj_send_event(page, event);
     }
diff --git a/lv_themes/lv_theme_alien.c b/lv_themes/lv_theme_alien.c
index c4efff0b3..a66f15d39 100644
--- a/lv_themes/lv_theme_alien.c
+++ b/lv_themes/lv_theme_alien.c
@@ -803,8 +803,9 @@ static void win_init(void)
 
 #if USE_LV_GROUP
 
-static void style_mod(lv_style_t * style)
+static void style_mod(lv_group_t * group, lv_style_t * style)
 {
+    (void) group;   /*Unused*/
 #if LV_COLOR_DEPTH != 1
     /*Make the style to be a little bit orange*/
     style->body.border.opa = LV_OPA_COVER;
@@ -816,8 +817,9 @@ static void style_mod(lv_style_t * style)
 #endif
 }
 
-static void style_mod_edit(lv_style_t * style)
+static void style_mod_edit(lv_group_t * group, lv_style_t * style)
 {
+    (void) group;   /*Unused*/
 #if LV_COLOR_DEPTH != 1
     /*Make the style to be a little bit orange*/
     style->body.border.opa = LV_OPA_COVER;
diff --git a/lv_themes/lv_theme_default.c b/lv_themes/lv_theme_default.c
index fe87a6a6b..427532cf5 100644
--- a/lv_themes/lv_theme_default.c
+++ b/lv_themes/lv_theme_default.c
@@ -357,8 +357,9 @@ static void win_init(void)
 
 #if USE_LV_GROUP
 
-static void style_mod(lv_style_t * style)
+static void style_mod(lv_group_t * group, lv_style_t * style)
 {
+    (void)group;        /*Unused*/
 #if LV_COLOR_DEPTH != 1
     /*Make the style to be a little bit orange*/
     style->body.border.opa = LV_OPA_COVER;
@@ -379,8 +380,9 @@ static void style_mod(lv_style_t * style)
 #endif
 }
 
-static void style_mod_edit(lv_style_t * style)
+static void style_mod_edit(lv_group_t * group, lv_style_t * style)
 {
+    (void)group;        /*Unused*/
 #if LV_COLOR_DEPTH != 1
     /*Make the style to be a little bit orange*/
     style->body.border.opa = LV_OPA_COVER;
diff --git a/lv_themes/lv_theme_material.c b/lv_themes/lv_theme_material.c
index aab198013..6c8f71183 100644
--- a/lv_themes/lv_theme_material.c
+++ b/lv_themes/lv_theme_material.c
@@ -786,8 +786,9 @@ static void win_init(void)
 
 #if USE_LV_GROUP
 
-static void style_mod(lv_style_t * style)
+static void style_mod(lv_group_t * group, lv_style_t * style)
 {
+    (void) group;   /*Unused*/
 #if LV_COLOR_DEPTH != 1
     /*Make the style to be a little bit orange*/
     style->body.border.opa = LV_OPA_COVER;
@@ -808,8 +809,9 @@ static void style_mod(lv_style_t * style)
 #endif
 }
 
-static void style_mod_edit(lv_style_t * style)
+static void style_mod_edit(lv_group_t * group, lv_style_t * style)
 {
+    (void) group;   /*Unused*/
 #if LV_COLOR_DEPTH != 1
     /*Make the style to be a little bit orange*/
     style->body.border.opa = LV_OPA_COVER;
diff --git a/lv_themes/lv_theme_mono.c b/lv_themes/lv_theme_mono.c
index b498db514..51bd7f8e5 100644
--- a/lv_themes/lv_theme_mono.c
+++ b/lv_themes/lv_theme_mono.c
@@ -414,8 +414,9 @@ static void win_init(void)
 
 #if USE_LV_GROUP
 
-static void style_mod(lv_style_t * style)
+static void style_mod(lv_group_t * group, lv_style_t * style)
 {
+    (void) group;   /*Unused*/
 #if LV_COLOR_DEPTH != 1
     /*Make the style to be a little bit orange*/
     style->body.border.opa = LV_OPA_COVER;
@@ -430,8 +431,9 @@ static void style_mod(lv_style_t * style)
 #endif
 }
 
-static void style_mod_edit(lv_style_t * style)
+static void style_mod_edit(lv_group_t * group, lv_style_t * style)
 {
+    (void) group;   /*Unused*/
 #if LV_COLOR_DEPTH != 1
     /*Make the style to be a little bit orange*/
     style->body.border.opa = LV_OPA_COVER;
diff --git a/lv_themes/lv_theme_nemo.c b/lv_themes/lv_theme_nemo.c
index c2204c234..96a5d6fc2 100644
--- a/lv_themes/lv_theme_nemo.c
+++ b/lv_themes/lv_theme_nemo.c
@@ -777,8 +777,9 @@ static void win_init(void)
 
 #if USE_LV_GROUP
 
-static void style_mod(lv_style_t * style)
+static void style_mod(lv_group_t * group, lv_style_t * style)
 {
+    (void) group;   /*Unused*/
 #if LV_COLOR_DEPTH != 1
     style->body.border.width = 2;
     style->body.border.color = LV_COLOR_SILVER;
@@ -796,6 +797,29 @@ static void style_mod(lv_style_t * style)
 #endif
 }
 
+static void style_mod_edit(lv_group_t * group, lv_style_t * style)
+{
+    (void) group;   /*Unused*/
+#if LV_COLOR_DEPTH != 1
+    /*Make the style to be a little bit orange*/
+    style->body.border.opa = LV_OPA_COVER;
+    style->body.border.color = LV_COLOR_GREEN;
+
+    /*If not empty or has border then emphasis the border*/
+    if (style->body.opa != LV_OPA_TRANSP || style->body.border.width != 0) style->body.border.width = LV_DPI / 20;
+
+    style->body.main_color = lv_color_mix(style->body.main_color, LV_COLOR_GREEN, LV_OPA_70);
+    style->body.grad_color = lv_color_mix(style->body.grad_color, LV_COLOR_GREEN, LV_OPA_70);
+    style->body.shadow.color = lv_color_mix(style->body.shadow.color, LV_COLOR_GREEN, LV_OPA_60);
+
+    style->text.color = lv_color_mix(style->text.color, LV_COLOR_GREEN, LV_OPA_70);
+#else
+    style->body.border.opa = LV_OPA_COVER;
+    style->body.border.color = LV_COLOR_BLACK;
+    style->body.border.width = 3;
+#endif
+}
+
 #endif /*USE_LV_GROUP*/
 
 /**********************
@@ -855,7 +879,7 @@ lv_theme_t * lv_theme_nemo_init(uint16_t hue, lv_font_t * font)
 
 #if USE_LV_GROUP
     theme.group.style_mod = style_mod;
-    theme.group.style_mod_edit = style_mod;
+    theme.group.style_mod_edit = style_mod_edit;
 #endif
 
     return &theme;
diff --git a/lv_themes/lv_theme_night.c b/lv_themes/lv_theme_night.c
index ef01ed4b0..5bd30cc90 100644
--- a/lv_themes/lv_theme_night.c
+++ b/lv_themes/lv_theme_night.c
@@ -697,8 +697,9 @@ static void win_init(void)
 
 #if USE_LV_GROUP
 
-static void style_mod(lv_style_t * style)
+static void style_mod(lv_group_t * group, lv_style_t * style)
 {
+    (void)group;        /*Unused*/
 #if LV_COLOR_DEPTH != 1
     /*Make the style to be a little bit orange*/
     style->body.border.opa = LV_OPA_COVER;
@@ -713,8 +714,9 @@ static void style_mod(lv_style_t * style)
 #endif
 }
 
-static void style_mod_edit(lv_style_t * style)
+static void style_mod_edit(lv_group_t * group, lv_style_t * style)
 {
+    (void)group;        /*Unused*/
 #if LV_COLOR_DEPTH != 1
     /*Make the style to be a little bit orange*/
     style->body.border.opa = LV_OPA_COVER;