diff --git a/addons/web/common/http.py b/addons/web/common/http.py
index a70ef53a91c..f1426d76d27 100644
--- a/addons/web/common/http.py
+++ b/addons/web/common/http.py
@@ -426,10 +426,13 @@ class DisableCacheMiddleware(object):
             referer = environ.get('HTTP_REFERER', '')
             parsed = urlparse.urlparse(referer)
             debug = parsed.query.count('debug') >= 1
-            filtered_headers = [(k,v) for k,v in headers if not (k=='Last-Modified' or (debug and (k=='Cache-Control' or k=='Expires')))]
+            nh = dict(headers)
+            if 'Last-Modified' in nh: del nh['Last-Modified']
             if debug:
-                filtered_headers.append(('Cache-Control', 'no-cache'))
-            start_response(status, filtered_headers)
+                if 'Expires' in nh: del nh['Expires']
+                if 'Etag' in nh: del nh['Etag']
+                nh['Cache-Control'] = 'no-cache'
+            start_response(status, nh.items())
         return self.app(environ, start_wrapped)
 
 class Root(object):
diff --git a/addons/web/static/src/js/chrome.js b/addons/web/static/src/js/chrome.js
index a1759397e21..7c4cdf969f1 100644
--- a/addons/web/static/src/js/chrome.js
+++ b/addons/web/static/src/js/chrome.js
@@ -896,7 +896,8 @@ instance.web.Client = instance.web.Widget.extend({
         this.$element.on('click', '.oe_dropdown_toggle', function(ev) {
             ev.preventDefault();
             var $toggle = $(this);
-            var $menu = $toggle.parent().find('.oe_dropdown_menu');
+            var $menu = $toggle.siblings('.oe_dropdown_menu');
+            $menu = $menu.size() >= 1 ? $menu : $toggle.find('.oe_dropdown_menu');
             var state = $menu.is('.oe_opened');
             setTimeout(function() {
                 // Do not alter propagation
diff --git a/addons/web/static/src/js/view_form.js b/addons/web/static/src/js/view_form.js
index 65afd4a36d6..453de5670c9 100644
--- a/addons/web/static/src/js/view_form.js
+++ b/addons/web/static/src/js/view_form.js
@@ -267,7 +267,6 @@ instance.web.FormView = instance.web.View.extend(instance.web.form.FieldManagerM
         if (this.$pager) {
             this.$pager.show();
         }
-        this.$element.show().css('visibility', 'hidden');
         this.$element.add(this.$buttons).removeClass('oe_form_dirty');
 
         var shown = this.has_been_loaded;
@@ -286,7 +285,6 @@ instance.web.FormView = instance.web.View.extend(instance.web.form.FieldManagerM
             if (options.editable) {
                 self.to_edit_mode();
             }
-            self.$element.css('visibility', 'visible');
         });
     },
     do_hide: function () {
@@ -2074,7 +2072,7 @@ instance.web.form.FieldChar = instance.web.form.AbstractField.extend(instance.we
         return this.get('value') === '' || this._super();
     },
     focus: function() {
-        this.delay_focus(this.$element.find('input:first'));
+        this.$element.find('input:first')[0].focus();
     }
 });