diff --git a/addons/account/wizard/wizard_tax_adjustments.py b/addons/account/wizard/wizard_tax_adjustments.py
index 22d2235ef04..05f893722a0 100644
--- a/addons/account/wizard/wizard_tax_adjustments.py
+++ b/addons/account/wizard/wizard_tax_adjustments.py
@@ -18,7 +18,7 @@ class TaxAdjustments(models.TransientModel):
     debit_account_id = fields.Many2one('account.account', string='Debit account', required=True, domain=[('deprecated', '=', False)])
     credit_account_id = fields.Many2one('account.account', string='Credit account', required=True, domain=[('deprecated', '=', False)])
     amount = fields.Monetary(currency_field='company_currency_id', required=True)
-    adjustment_type = fields.Selection([('debit', 'Adjustment in favor of the Estate'), ('credit', 'Adjustment in your favor')], string="Adjustment Type", store=False, required=True)
+    adjustment_type = fields.Selection([('debit', 'Applied on debit journal item'), ('credit', 'Applied on credit journal item')], string="Adjustment Type", store=False, required=True)
     company_currency_id = fields.Many2one('res.currency', readonly=True, default=lambda self: self.env.user.company_id.currency_id)
     tax_id = fields.Many2one('account.tax', string='Adjustment Tax', ondelete='restrict', domain=[('type_tax_use', '=', 'none'), ('tax_adjustment', '=', True)], required=True)
 
diff --git a/addons/event/security/ir.model.access.csv b/addons/event/security/ir.model.access.csv
index ac13c583b55..2c5d6a3b17a 100644
--- a/addons/event/security/ir.model.access.csv
+++ b/addons/event/security/ir.model.access.csv
@@ -5,7 +5,7 @@ access_event_event_portal,event.event.portal,model_event_event,,1,0,0,0
 access_event_event_user,event.event.user,model_event_event,event.group_event_user,1,0,0,0
 access_event_event_manager,event.event.manager,model_event_event,event.group_event_manager,1,1,1,1
 access_event_registration,event.registration,model_event_registration,event.group_event_user,1,1,1,1
-access_event_registration_portal,event.registration,model_event_registration,,1,0,0,0
+access_event_registration_portal,event.registration,model_event_registration,,0,0,0,0
 access_event_mail,event.mail,model_event_mail,event.group_event_user,1,0,0,0
 access_event_mail_manager,event.mail manager,model_event_mail,event.group_event_manager,1,1,1,1
 access_event_mail_registration,event.mail.registration,model_event_mail_registration,event.group_event_user,1,0,0,0
diff --git a/addons/website_event_sale/controllers/main.py b/addons/website_event_sale/controllers/main.py
index 33f1775ba42..f3a8ca30ad6 100644
--- a/addons/website_event_sale/controllers/main.py
+++ b/addons/website_event_sale/controllers/main.py
@@ -39,7 +39,7 @@ class WebsiteEventSaleController(WebsiteEventController):
         # free tickets -> order with amount = 0: auto-confirm, no checkout
         if not order.amount_total:
             order.action_confirm()  # tde notsure: email sending ?
-            attendees = request.env['event.registration'].browse(list(attendee_ids))
+            attendees = request.env['event.registration'].browse(list(attendee_ids)).sudo()
             # clean context and session, then redirect to the confirmation page
             request.website.sale_reset()
             return request.render("website_event.registration_complete", {
diff --git a/addons/website_slides/static/lib/pdfslidesviewer/PDFSlidesViewer.js b/addons/website_slides/static/lib/pdfslidesviewer/PDFSlidesViewer.js
index d5e7266930c..f313a37dfa3 100644
--- a/addons/website_slides/static/lib/pdfslidesviewer/PDFSlidesViewer.js
+++ b/addons/website_slides/static/lib/pdfslidesviewer/PDFSlidesViewer.js
@@ -147,12 +147,22 @@ var PDFSlidesViewer = (function(){
 
     PDFSlidesViewer.prototype.toggleFullScreenFooter = function(){
         if(document.fullscreenElement || document.mozFullScreenElement || document.webkitFullscreenElement || document.msFullscreenElement) {
-            $('div#PDFViewer > div.navbar-fixed-bottom').toggleClass('oe_show_footer');
+            var $navBarFooter = $('div#PDFViewer > div.navbar-fixed-bottom');
+            $navBarFooter.toggleClass('oe_show_footer');
+
+            if ($navBarFooter.css('display') === 'none') {
+                $navBarFooter.css('display', 'block');
+                $('div#PDFViewer').css('padding-bottom', '50px');
+            } else {
+                $navBarFooter.css('display', 'none');
+                $('div#PDFViewer').css('padding-bottom', '0');
+            }
         }
     }
 
     PDFSlidesViewer.prototype.toggleFullScreen = function(){
-        var el = this.canvas.parentNode;
+        // The canvas and the navigation bar needs to be fullscreened
+        var el = this.canvas.parentNode.parentNode;
 
         var isFullscreenAvailable = document.fullscreenEnabled || document.mozFullScreenEnabled || document.webkitFullscreenEnabled || document.msFullscreenEnabled || false;
         if(isFullscreenAvailable){ // Full screen supported