diff --git a/addons/web/static/src/js/search.js b/addons/web/static/src/js/search.js
index 04bb1a61d99..8b400bec367 100644
--- a/addons/web/static/src/js/search.js
+++ b/addons/web/static/src/js/search.js
@@ -1602,8 +1602,11 @@ instance.web.search.ManyToOneField = instance.web.search.CharField.extend({
         return facetValue.get('label');
     },
     make_domain: function (name, operator, facetValue) {
-        if (operator === this.default_operator) {
+        switch(operator){
+        case this.default_operator:
             return [[name, '=', facetValue.get('value')]];
+        case 'child_of':
+            return [[name, 'child_of', facetValue.get('value')]];
         }
         return this._super(name, operator, facetValue);
     },
diff --git a/addons/web/static/src/js/view_form.js b/addons/web/static/src/js/view_form.js
index 471f39fdd80..6014e83dba1 100644
--- a/addons/web/static/src/js/view_form.js
+++ b/addons/web/static/src/js/view_form.js
@@ -730,8 +730,9 @@ instance.web.FormView = instance.web.View.extend(instance.web.form.FieldManagerM
             }
         }
     },
-    on_button_save: function() {
+    on_button_save: function(e) {
         var self = this;
+        $(e.target).attr("disabled", true);
         return this.save().done(function(result) {
             self.trigger("save", result);
             self.reload().then(function() {
@@ -741,6 +742,8 @@ instance.web.FormView = instance.web.View.extend(instance.web.form.FieldManagerM
                     parent.menu.do_reload_needaction();
                 }
             });
+        }).always(function(){
+            $(e.target).attr("disabled", false);
         });
     },
     on_button_cancel: function(event) {
@@ -3306,7 +3309,7 @@ instance.web.form.FieldMany2One = instance.web.form.AbstractField.extend(instanc
                 self.display_value_backup = {};
                 self.render_value();
                 self.focus();
-                self.view.do_onchange(self);
+                self.trigger('changed_value');
             });
         });
 
diff --git a/addons/web_kanban/static/src/css/kanban.css b/addons/web_kanban/static/src/css/kanban.css
index 5509459830d..4c53ed8ec8d 100644
--- a/addons/web_kanban/static/src/css/kanban.css
+++ b/addons/web_kanban/static/src/css/kanban.css
@@ -160,7 +160,10 @@
   padding: 0px;
   background: white;
 }
-.openerp .oe_kanban_view .oe_kanban_column {
+.openerp .oe_kanban_view .oe_kanban_column, .openerp .oe_kanban_view .oe_kanban_column_cards {
+  height: 100%;
+}
+.openerp .oe_kanban_view .oe_kanban_column, .openerp .oe_kanban_view .oe_kanban_column_cards {
   height: 100%;
 }
 .openerp .oe_kanban_view .oe_kanban_aggregates {
diff --git a/addons/web_kanban/static/src/css/kanban.sass b/addons/web_kanban/static/src/css/kanban.sass
index 7c9e8719629..77533c1182e 100644
--- a/addons/web_kanban/static/src/css/kanban.sass
+++ b/addons/web_kanban/static/src/css/kanban.sass
@@ -179,7 +179,7 @@
             padding: 0px
             background: #ffffff
 
-    .oe_kanban_column
+    .oe_kanban_column, .oe_kanban_column_cards
         height: 100%
     .oe_kanban_aggregates
         padding: 0