diff --git a/addons/mail/models/mail_followers.py b/addons/mail/models/mail_followers.py
index 6c2f7c8376e..14e38e314d4 100644
--- a/addons/mail/models/mail_followers.py
+++ b/addons/mail/models/mail_followers.py
@@ -241,7 +241,7 @@ GROUP BY fol.id%s""" % (
         :param check_existing: see ``_add_followers``;
         :param existing_policy: see ``_add_followers``;
         """
-        sudo_self = self.sudo()
+        sudo_self = self.sudo().with_context(default_partner_id=False, default_channel_id=False)
         if not partner_subtypes and not channel_subtypes:  # no subtypes -> default computation, no force, skip existing
             new, upd = self._add_default_followers(res_model, res_ids, partner_ids, channel_ids, customer_ids=customer_ids)
         else:
diff --git a/addons/survey/data/mail_template_data.xml b/addons/survey/data/mail_template_data.xml
index 42ed3ee42f3..96506fb928a 100644
--- a/addons/survey/data/mail_template_data.xml
+++ b/addons/survey/data/mail_template_data.xml
@@ -2,7 +2,7 @@
 <odoo>
     <data noupdate="1">
         <record id="mail_template_user_input_invite" model="mail.template">
-            <field name="name">Survey: Send by email</field>
+            <field name="name">Survey: Invite</field>
             <field name="model_id" ref="model_survey_user_input" />
             <field name="subject">Participate to ${object.survey_id.title} survey</field>
             <field name="email_to">${(object.partner_id.email_formatted or object.email) |safe}</field>
@@ -39,9 +39,10 @@
 
         <!-- Certification Email template -->
         <record id="mail_template_certification" model="mail.template">
-            <field name="name">Certification: Send by email</field>
+            <field name="name">Survey: Send certification by email</field>
             <field name="model_id" ref="survey.model_survey_user_input"/>
             <field name="subject">Certification: ${object.survey_id.display_name}</field>
+            <field name="email_from">${(object.survey_id.create_uid.email_formatted or user.email_formatted or user.company_id.catchall) |safe}</field>
             <field name="email_to">${(object.partner_id.email_formatted or object.email) |safe}</field>
             <field name="body_html" type="xml">
                 <div style="background:#F0F0F0;color:#515166;padding:10px 0px;font-family:Arial,Helvetica,sans-serif;font-size:14px;">
diff --git a/addons/survey/models/survey_survey.py b/addons/survey/models/survey_survey.py
index 5418d414603..f7f5c0b50a6 100644
--- a/addons/survey/models/survey_survey.py
+++ b/addons/survey/models/survey_survey.py
@@ -123,7 +123,11 @@ class Survey(models.Model):
 
     @api.depends('user_input_ids.state', 'user_input_ids.test_entry', 'user_input_ids.quizz_score', 'user_input_ids.quizz_passed')
     def _compute_survey_statistic(self):
-        stat = dict((cid, dict(answer_count=0, answer_done_count=0, success_count=0, answer_score_avg_total=0.0)) for cid in self.ids)
+        default_vals = {
+            'answer_count': 0, 'answer_done_count': 0, 'success_count': 0,
+            'answer_score_avg': 0.0, 'success_ratio': 0.0
+        }
+        stat = dict((cid, dict(default_vals, answer_score_avg_total=0.0)) for cid in self.ids)
         UserInput = self.env['survey.user_input']
         base_domain = ['&', ('survey_id', 'in', self.ids), ('test_entry', '!=', True)]
 
@@ -136,11 +140,13 @@ class Survey(models.Model):
             if item['quizz_passed']:
                 stat[item['survey_id'][0]]['success_count'] += item['__count']
 
+        for survey_id, values in stat.items():
+            avg_total = stat[survey_id].pop('answer_score_avg_total')
+            stat[survey_id]['answer_score_avg'] = avg_total / (stat[survey_id]['answer_done_count'] or 1)
+            stat[survey_id]['success_ratio'] = (stat[survey_id]['success_count'] / (stat[survey_id]['answer_done_count'] or 1.0))*100
+
         for survey in self:
-            avg_total = stat[survey.id].pop('answer_score_avg_total')
-            stat[survey.id]['answer_score_avg'] = avg_total / (stat[survey.id]['answer_done_count'] or 1)
-            stat[survey.id]['success_ratio'] = (stat[survey.id]['success_count'] / (stat[survey.id]['answer_done_count'] or 1.0))*100
-            survey.update(stat[survey.id])
+            survey.update(stat.get(survey._origin.id, default_vals))
 
     def _compute_survey_url(self):
         """ Computes a public URL for the survey """
diff --git a/addons/test_website_slides_full/tests/test_ui_wslides.py b/addons/test_website_slides_full/tests/test_ui_wslides.py
index c3e4431037a..e8c604dc812 100644
--- a/addons/test_website_slides_full/tests/test_ui_wslides.py
+++ b/addons/test_website_slides_full/tests/test_ui_wslides.py
@@ -14,7 +14,7 @@ class TestUi(tests.HttpCase):
         user_demo.write({
             'groups_id': [(5, 0), (4, self.env.ref('base.group_user').id)]
         })
-        self.env.ref('website_slides.slide_channel_demo_6_furn3')._remove_membership(self.env.ref('base.partner_demo'))
+        self.env.ref('website_slides.slide_channel_demo_6_furn3')._remove_membership(self.env.ref('base.partner_demo').ids)
 
         self.phantom_js(
             '/slides',
diff --git a/addons/website_profile/controllers/main.py b/addons/website_profile/controllers/main.py
index e11d68fa835..aaae098513b 100644
--- a/addons/website_profile/controllers/main.py
+++ b/addons/website_profile/controllers/main.py
@@ -137,10 +137,10 @@ class WebsiteProfile(http.Controller):
         }
 
         if 'clear_image' in kwargs:
-            values['image'] = False
+            values['image_1920'] = False
         elif kwargs.get('ufile'):
             image = kwargs.get('ufile').read()
-            values['image'] = base64.b64encode(image)
+            values['image_1920'] = base64.b64encode(image)
 
         if request.uid == user.id:  # the controller allows to edit only its own privacy settings; use partner management for other cases
             values['website_published'] = kwargs.get('website_published') == 'True'
diff --git a/addons/website_profile/views/website_profile.xml b/addons/website_profile/views/website_profile.xml
index 4d77af30669..40330800585 100644
--- a/addons/website_profile/views/website_profile.xml
+++ b/addons/website_profile/views/website_profile.xml
@@ -514,7 +514,9 @@
         <div class="card text-center mb-2 border-bottom-0 o_wprofile_pointer">
             <div class="card-body">
                 <div class="d-inline-block position-relative">
-                    <img class="rounded-circle img-fluid" t-att-src="'/profile/avatar/%s?field=image_128%s' % (user['id'], '&amp;res_model=%s&amp;res_id=%s' % (record._name, record.id) if record else '')"/>
+                    <img class="rounded-circle img-fluid"
+                        style="width: 128px; height: 128px; object-fit: cover;"
+                        t-att-src="'/profile/avatar/%s?field=image_256%s' % (user['id'], '&amp;res_model=%s&amp;res_id=%s' % (record._name, record.id) if record else '')"/>
                     <img class="position-absolute" t-attf-src="/website_profile/static/src/img/rank_#{user_index + 1}.svg" alt="User rank" style="bottom: 0; right: -10px"/>
                 </div>
                 <h3 class="mt-2 mb-0" t-esc="user['name']"></h3>
diff --git a/addons/website_sale_slides/models/slide_channel.py b/addons/website_sale_slides/models/slide_channel.py
index 685e0af9aa0..bb95e2e0ab5 100644
--- a/addons/website_sale_slides/models/slide_channel.py
+++ b/addons/website_sale_slides/models/slide_channel.py
@@ -31,6 +31,23 @@ class Channel(models.Model):
         for channel in self:
             channel.product_sale_revenues = rg_data.get(channel.product_id.id, 0)
 
+    @api.model
+    def create(self, vals):
+        channel = super(Channel, self).create(vals)
+        if channel.enroll == 'payment':
+            channel._synchronize_product_publish()
+        return channel
+
+    def write(self, vals):
+        res = super(Channel, self).write(vals)
+        if 'is_published' in vals:
+            self.filtered(lambda channel: channel.enroll == 'payment')._synchronize_product_publish()
+        return res
+
+    def _synchronize_product_publish(self):
+        self.filtered(lambda channel: channel.is_published and not channel.product_id.is_published).sudo().product_id.write({'is_published': True})
+        self.filtered(lambda channel: not channel.is_published and channel.product_id.is_published).sudo().product_id.write({'is_published': False})
+
     def action_view_sales(self):
         action = self.env.ref('website_sale_slides.sale_report_action_slides').read()[0]
         action['domain'] = [('product_id', 'in', self.product_id.ids)]
diff --git a/addons/website_sale_slides/tests/test_course_purchase_flow.py b/addons/website_sale_slides/tests/test_course_purchase_flow.py
index 8bce4fea63a..09db54f7f21 100644
--- a/addons/website_sale_slides/tests/test_course_purchase_flow.py
+++ b/addons/website_sale_slides/tests/test_course_purchase_flow.py
@@ -13,6 +13,7 @@ class TestCoursePurchaseFlow(common.SlidesCase):
             'list_price': 150,
             'type': 'service',
             'invoice_policy': 'order',
+            'is_published': True,
         })
 
         self.channel.write({
diff --git a/addons/website_slides/data/slide_user_demo.xml b/addons/website_slides/data/slide_user_demo.xml
index 847d2bfa297..263d3ea443b 100644
--- a/addons/website_slides/data/slide_user_demo.xml
+++ b/addons/website_slides/data/slide_user_demo.xml
@@ -1,6 +1,20 @@
 <?xml version="1.0" encoding="utf-8"?>
 <odoo><data noupdate="1">
 
+    <!-- First of all: remove admin of all memberships to avoid noisy demo data -->
+    <function model="slide.channel"
+        name="_remove_membership"
+        eval="[
+            [ref('website_slides.slide_channel_demo_0_gard_0'),
+             ref('website_slides.slide_channel_demo_1_gard1'),
+             ref('website_slides.slide_channel_demo_2_gard2'),
+             ref('website_slides.slide_channel_demo_3_furn0'),
+             ref('website_slides.slide_channel_demo_4_furn1'),
+             ref('website_slides.slide_channel_demo_5_furn2'),
+             ref('website_slides.slide_channel_demo_6_furn3')],
+            [ref('base.partner_admin')]
+        ]"/>
+
     <!-- CHANNEL 0: Basics of Gardening -->
     <!-- ================================================== -->
     <record id="slide_channel_0_partner_admin" model="slide.channel.partner">
diff --git a/addons/website_slides/models/slide_channel.py b/addons/website_slides/models/slide_channel.py
index 49289105cd3..ce37f9e2ce4 100644
--- a/addons/website_slides/models/slide_channel.py
+++ b/addons/website_slides/models/slide_channel.py
@@ -474,25 +474,19 @@ class Channel(models.Model):
         for channel in self:
             removed_channel_partner_domain = expression.OR([
                 removed_channel_partner_domain,
-                [('partner_id', 'in', partner_ids.ids),
+                [('partner_id', 'in', partner_ids),
                  ('channel_id', '=', channel.id)]
             ])
 
         if removed_channel_partner_domain:
             self.env['slide.channel.partner'].sudo().search(removed_channel_partner_domain).unlink()
 
-    def action_view(self):
-        return {
-            'type': 'ir.actions.act_window',
-            'view_type': 'form',
-            'view_mode': 'form',
-            'res_model': 'slide.channel',
-            'res_id': self.id,
-        }
-
     def action_view_slides(self):
         action = self.env.ref('website_slides.slide_slide_action').read()[0]
-        action['context'] = {'default_channel_id': self.id}
+        action['context'] = {
+            'search_default_published': 1,
+            'default_channel_id': self.id
+        }
         action['domain'] = [('channel_id', "=", self.id), ('is_category', '=', False)]
         return action
 
diff --git a/addons/website_slides/models/slide_slide.py b/addons/website_slides/models/slide_slide.py
index 1a99c84129a..69206edd916 100644
--- a/addons/website_slides/models/slide_slide.py
+++ b/addons/website_slides/models/slide_slide.py
@@ -265,7 +265,8 @@ class Slide(models.Model):
     def _compute_slides_statistics(self):
         # Do not use dict.fromkeys(self.ids, dict()) otherwise it will use the same dictionnary for all keys.
         # Therefore, when updating the dict of one key, it updates the dict of all keys.
-        result = {_id: {} for _id in self.ids}
+        keys = ['nbr_%s' % slide_type for slide_type in self.env['slide.slide']._fields['slide_type'].get_values(self.env)]
+        default_vals = dict((key, 0) for key in keys)
 
         res = self.env['slide.slide'].read_group(
             [('is_published', '=', True), ('category_id', 'in', self.ids), ('is_category', '=', False)],
@@ -273,11 +274,9 @@ class Slide(models.Model):
             lazy=False)
 
         type_stats = self._compute_slides_statistics_type(res)
-        for cid, cdata in type_stats.items():
-            result[cid].update(cdata)
 
         for record in self:
-            record.update(result[record.id])
+            record.update(type_stats.get(record._origin.id, default_vals))
 
     def _compute_slides_statistics_type(self, read_group_res):
         """ Compute statistics based on all existing slide types """
diff --git a/addons/website_slides/tests/test_ui_wslides.py b/addons/website_slides/tests/test_ui_wslides.py
index 7d7b93bcb78..50fd212e698 100644
--- a/addons/website_slides/tests/test_ui_wslides.py
+++ b/addons/website_slides/tests/test_ui_wslides.py
@@ -13,7 +13,7 @@ class TestUi(tests.HttpCase):
         user_demo.write({
             'groups_id': [(5, 0), (4, self.env.ref('base.group_user').id)]
         })
-        self.env.ref('website_slides.slide_channel_demo_0_gard_0')._remove_membership(self.env.ref('base.partner_demo'))
+        self.env.ref('website_slides.slide_channel_demo_0_gard_0')._remove_membership(self.env.ref('base.partner_demo').ids)
 
         self.phantom_js(
             '/slides',
@@ -29,7 +29,7 @@ class TestUi(tests.HttpCase):
         user_demo.write({
             'groups_id': [(5, 0), (4, self.env.ref('base.group_user').id), (4, self.env.ref('website.group_website_publisher').id)]
         })
-        self.env.ref('website_slides.slide_channel_demo_0_gard_0')._remove_membership(self.env.ref('base.partner_demo'))
+        self.env.ref('website_slides.slide_channel_demo_0_gard_0')._remove_membership(self.env.ref('base.partner_demo').ids)
 
         self.phantom_js(
             '/slides',
@@ -42,7 +42,7 @@ class TestUi(tests.HttpCase):
         # group_website_designer
         user_portal = self.env.ref('base.demo_user0')
         user_portal.flush()
-        self.env.ref('website_slides.slide_channel_demo_0_gard_0')._remove_membership(self.env.ref('base.partner_demo_portal'))
+        self.env.ref('website_slides.slide_channel_demo_0_gard_0')._remove_membership(self.env.ref('base.partner_demo_portal').ids)
 
         self.phantom_js(
             '/slides',
@@ -61,7 +61,7 @@ class TestUiYoutube(tests.HttpCase):
         user_demo.write({
             'groups_id': [(5, 0), (4, self.env.ref('base.group_user').id)]
         })
-        self.env.ref('website_slides.slide_channel_demo_0_gard_0')._remove_membership(self.env.ref('base.partner_demo'))
+        self.env.ref('website_slides.slide_channel_demo_3_furn0')._remove_membership(self.env.ref('base.partner_demo').ids)
 
         self.phantom_js(
             '/slides',
@@ -77,7 +77,6 @@ class TestUiYoutube(tests.HttpCase):
         user_demo.write({
             'groups_id': [(5, 0), (4, self.env.ref('base.group_user').id), (4, self.env.ref('website.group_website_designer').id)]
         })
-        self.env.ref('website_slides.slide_channel_demo_0_gard_0')._remove_membership(self.env.ref('base.partner_demo'))
 
         self.phantom_js(
             '/slides',
diff --git a/addons/website_slides/views/slide_channel_views.xml b/addons/website_slides/views/slide_channel_views.xml
index 1c41e55576c..2d5e08adcdd 100644
--- a/addons/website_slides/views/slide_channel_views.xml
+++ b/addons/website_slides/views/slide_channel_views.xml
@@ -236,7 +236,7 @@
                                 <div class="o_kanban_card_header">
                                     <div class="o_kanban_card_header_title mb16">
                                         <div class="o_primary">
-                                            <a name="action_view" type="object" class="mr-auto">
+                                            <a type="edit" class="mr-auto">
                                                 <span><field name="name" class="o_primary"/></span>
                                             </a>
                                         </div>
diff --git a/addons/website_slides/views/website_slides_templates_course.xml b/addons/website_slides/views/website_slides_templates_course.xml
index 1b92f589a5f..1361166321e 100644
--- a/addons/website_slides/views/website_slides_templates_course.xml
+++ b/addons/website_slides/views/website_slides_templates_course.xml
@@ -300,7 +300,7 @@
                         t-att-data-enroll="channel.enroll">
                     <t t-call="website_slides.slides_misc_user_image">
                         <t t-set="img_class" t-value="'rounded-circle mr-1'"/>
-                        <t t-set="img_style" t-value="'height: 1.4em'"/>
+                        <t t-set="img_style" t-value="'width: 1.4em; height: 1.4em; object-fit: cover;'"/>
                     </t>
                     <h6 class="d-flex flex-grow-1 my-0">You're enrolled</h6>
                     <i class="fa fa-check"/>
diff --git a/addons/website_slides/views/website_slides_templates_homepage.xml b/addons/website_slides/views/website_slides_templates_homepage.xml
index ee959eccca3..5270ad3c532 100644
--- a/addons/website_slides/views/website_slides_templates_homepage.xml
+++ b/addons/website_slides/views/website_slides_templates_homepage.xml
@@ -14,8 +14,8 @@
                     <div class="ml-4 ml-md-2 mt-3">
                         <t t-foreach="top3_users" t-as="user">
                             <img class="rounded-circle img-fluid shadow ml-n4"
-                                style="border: 6px solid white; max-width: 40%"
-                                t-attf-src="/web/image/res.users/#{user['id']}/image_128"/>
+                                style="width: 140px; height: 140px; max-width: 40%; max-height: 40%; object-fit: cover; border: 6px solid white;"
+                                t-attf-src="/web/image/res.users/#{user['id']}/image_256"/>
                         </t>
                     </div>
                 </div>
@@ -99,7 +99,7 @@
                                 <div class="d-flex align-items-center">
                                     <t t-call="website_slides.slides_misc_user_image">
                                         <t t-set="img_class" t-value="'rounded-circle mr-1'"/>
-                                        <t t-set="img_style" t-value="'height: 22px'"/>
+                                        <t t-set="img_style" t-value="'width: 22px; height: 22px; object-fit: cover;'"/>
                                     </t>
                                     <h5 t-esc="user.name" class="d-flex flex-grow-1 mb-0"/>
                                     <a class="d-none d-lg-block" t-att-href="'/profile/user/%s' % user.id">View</a>
@@ -451,7 +451,7 @@
 
 <template id='slides_misc_user_image' name="User Avatar">
     <img t-att-class="img_class if img_class else 'rounded-circle float-left'"
-        t-att-style="img_style if img_style else 'max-height: 32px;'"
+        t-att-style="img_style if img_style else 'width: 32px; height: 32px; object-fit: cover;'"
         t-att-src="'/profile/avatar/%s?field=image_128' % user.id"
         t-att-alt="user.name"/>
 </template>
diff --git a/addons/website_slides_survey/models/survey_user.py b/addons/website_slides_survey/models/survey_user.py
index ec658874ff5..9824bf78bc7 100644
--- a/addons/website_slides_survey/models/survey_user.py
+++ b/addons/website_slides_survey/models/survey_user.py
@@ -61,4 +61,4 @@ class SurveyUserInput(models.Model):
                     removed_memberships_per_partner[user_input.partner_id] = removed_memberships
 
                 for partner_id, removed_memberships in removed_memberships_per_partner.items():
-                    removed_memberships._remove_membership(partner_id)
+                    removed_memberships._remove_membership(partner_id.ids)
diff --git a/addons/website_slides_survey/views/survey_survey_views.xml b/addons/website_slides_survey/views/survey_survey_views.xml
index ff1d42e302e..93f7fe105ed 100644
--- a/addons/website_slides_survey/views/survey_survey_views.xml
+++ b/addons/website_slides_survey/views/survey_survey_views.xml
@@ -5,7 +5,7 @@
         <field name="res_model">survey.survey</field>
         <field name="view_mode">kanban,tree,form</field>
         <field name="domain">[('certificate', '=', True)]</field>
-        <field name="context">{'default_certificate': True}</field>
+        <field name="context">{'default_certificate': True, 'default_scoring_type': 'scoring_with_answers'}</field>
         <field name="help" type="html">
             <p class="o_view_nocontent_smiling_face">
                 Add a new certification