diff --git a/partners/migrations/0033_auto_20171003_1512.py b/partners/migrations/0033_auto_20171003_1512.py
new file mode 100644
index 0000000000000000000000000000000000000000..e665732968b38d015b34531e21e2d8262aba9d1f
--- /dev/null
+++ b/partners/migrations/0033_auto_20171003_1512.py
@@ -0,0 +1,21 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.4 on 2017-10-03 13:12
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import partners.storage
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('partners', '0032_auto_20170829_0727'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='partnersattachment',
+            name='attachment',
+            field=models.FileField(storage=partners.storage.SecureFileStorage(), upload_to='UPLOADS/PARTNERS/ATTACHMENTS'),
+        ),
+    ]
diff --git a/production/admin.py b/production/admin.py
index dc5cbd236c21019ed1fb12ece7a8a9d13a89b09e..76c82159421864bfaedab50380d7221fc0cd2298 100644
--- a/production/admin.py
+++ b/production/admin.py
@@ -2,7 +2,7 @@ from django.contrib import admin
 
 from guardian.admin import GuardedModelAdmin
 
-from .models import ProductionStream, ProductionEvent, ProductionUser
+from .models import ProductionStream, ProductionEvent, ProductionUser, ProductionEvent
 
 
 def event_count(obj):
@@ -31,4 +31,5 @@ class ProductionStreamAdmin(GuardedModelAdmin):
 
 
 admin.site.register(ProductionUser)
+admin.site.register(ProductionEvent)
 admin.site.register(ProductionStream, ProductionStreamAdmin)
diff --git a/production/migrations/0015_auto_20170914_2237.py b/production/migrations/0015_auto_20170914_2237.py
index cb9ffcc83c0d5eb059cebe7d315cbc44ba31dc36..ba12a858e4277c5223dfa80d59577b1fabd94347 100644
--- a/production/migrations/0015_auto_20170914_2237.py
+++ b/production/migrations/0015_auto_20170914_2237.py
@@ -17,7 +17,7 @@ def contributor_to_officer(apps, schema_editor):
     # Transfer all Events
     ProductionEvent = apps.get_model('production', 'ProductionEvent')
     for event in ProductionEvent.objects.all():
-        user = User.objects.get(contributor__id=event.noted_by_contributor.id, production_user__isnull=False)
+        user = User.objects.get(contributor__id=event.noted_by.user.contributor.id, production_user__isnull=False)
         event.noted_by.id = user.production_user.id
         event.save()
     print('  - ProductionEvents updated')
diff --git a/production/migrations/0021_auto_20171003_1512.py b/production/migrations/0021_auto_20171003_1512.py
new file mode 100644
index 0000000000000000000000000000000000000000..259a9b7527ea0d0bdf453ab510d63dd13adee682
--- /dev/null
+++ b/production/migrations/0021_auto_20171003_1512.py
@@ -0,0 +1,19 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.4 on 2017-10-03 13:12
+from __future__ import unicode_literals
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('production', '0020_auto_20170930_0156'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='productionstream',
+            options={'permissions': (('can_work_for_stream', 'Can work for stream'),)},
+        ),
+    ]
diff --git a/production/migrations/0022_auto_20171003_1525.py b/production/migrations/0022_auto_20171003_1525.py
new file mode 100644
index 0000000000000000000000000000000000000000..50746ff3a864bd9e77886f4b2f700545eec0a4cc
--- /dev/null
+++ b/production/migrations/0022_auto_20171003_1525.py
@@ -0,0 +1,19 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.4 on 2017-10-03 13:25
+from __future__ import unicode_literals
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('production', '0021_auto_20171003_1512'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='productionstream',
+            options={'permissions': (('can_work_for_stream', 'Can work for stream'), ('can_perform_supervisory_actions', 'Can perform supervisory actions'))},
+        ),
+    ]
diff --git a/production/templates/production/partials/production_stream_card.html b/production/templates/production/partials/production_stream_card.html
index f1f88a5687e19c1fa867ca46cb2a9ab95de00372..8550fa1a34c12ee7acc4e8baadc082c9adee69be 100644
--- a/production/templates/production/partials/production_stream_card.html
+++ b/production/templates/production/partials/production_stream_card.html
@@ -9,38 +9,38 @@
   <h3>Events</h3>
   {% include 'production/partials/production_events.html' with events=stream.events.all %}
 
-  {% if perms.scipost.can_publish_accepted_submission or perms.scipost.can_assign_production_supervisor or "can_perform_supervisory_actions" in sub_perms %}
-      <h3>Actions</h3>
-      <ul>
-          {% if perms.scipost.can_assign_production_supervisor and assign_supervisor_form %}
-              <li>
-                  <a href="javascript:;" data-toggle="toggle" data-target="#add_supervisor_{{stream.id}}">Assign Production Supervisor to this stream</a>
-                  <div id="add_supervisor_{{stream.id}}" style="display: none;">
-                      <form class="my-3" action="{% url 'production:add_supervisor' stream_id=stream.id %}" method="post">
-                          {% csrf_token %}
-                          {{ assign_supervisor_form|bootstrap_inline }}
-                          <input type="submit" class="btn btn-outline-primary" name="submit" value="Add officer">
-                      </form>
-                  </div>
-              </li>
-          {% endif %}
-          {% if "can_perform_supervisory_actions" in sub_perms and assign_officer_form %}
-            <li>
-                <a href="javascript:;" data-toggle="toggle" data-target="#add_officer_{{stream.id}}">Assign Production Officer to this stream</a>
-                <div id="add_officer_{{stream.id}}" style="display: none;">
-                    <form class="my-3" action="{% url 'production:add_officer' stream_id=stream.id %}" method="post">
-                      	{% csrf_token %}
-                      	{{ assign_officer_form|bootstrap_inline }}
-                      	<input type="submit" class="btn btn-outline-primary" name="submit" value="Add officer">
-                    </form>
-                </div>
-            </li>
-          {% endif %}
-          {% if perms.scipost.can_publish_accepted_submission %}
-            <li><a href="{% url 'production:mark_as_completed' stream_id=stream.id %}">Mark this stream as completed</a></li>
-          {% endif %}
-      </ul>
-  {% endif %}
+    {% if "can_perform_supervisory_actions" in sub_perms %}
+          <h3>Actions</h3>
+          <ul>
+              {% if perms.scipost.can_assign_production_supervisor and assign_supervisor_form %}
+                  <li>
+                      <a href="javascript:;" data-toggle="toggle" data-target="#add_supervisor_{{stream.id}}">Assign Production Supervisor to this stream</a>
+                      <div id="add_supervisor_{{stream.id}}" style="display: none;">
+                          <form class="my-3" action="{% url 'production:add_supervisor' stream_id=stream.id %}" method="post">
+                              {% csrf_token %}
+                              {{ assign_supervisor_form|bootstrap_inline }}
+                              <input type="submit" class="btn btn-outline-primary" name="submit" value="Add officer">
+                          </form>
+                      </div>
+                  </li>
+              {% endif %}
+              {% if perms.scipost.can_assign_production_officer and assign_officer_form %}
+                <li>
+                    <a href="javascript:;" data-toggle="toggle" data-target="#add_officer_{{stream.id}}">Assign Production Officer to this stream</a>
+                    <div id="add_officer_{{stream.id}}" style="display: none;">
+                        <form class="my-3" action="{% url 'production:add_officer' stream_id=stream.id %}" method="post">
+                          	{% csrf_token %}
+                          	{{ assign_officer_form|bootstrap_inline }}
+                          	<input type="submit" class="btn btn-outline-primary" name="submit" value="Add officer">
+                        </form>
+                    </div>
+                </li>
+              {% endif %}
+              {% if perms.scipost.can_publish_accepted_submission %}
+                <li><a href="{% url 'production:mark_as_completed' stream_id=stream.id %}">Mark this stream as completed</a></li>
+              {% endif %}
+          </ul>
+      {% endif %}
 {% endblock %}
 
 {% block officers %}
@@ -57,7 +57,7 @@
     <li>Production Officer:
           {% if stream.officer %}
               <strong>{{ stream.officer }}</strong>
-              {% if "can_perform_supervisory_actions" in sub_perms %}
+              {% if perms.scipost.can_assign_production_officer and "can_perform_supervisory_actions" in sub_perms %}
                   &middot; <a href="{% url 'production:remove_officer' stream_id=stream.id officer_id=stream.officer.id %}" class="text-danger">Remove from stream</a>
               {% endif %}
           {% else %}
diff --git a/production/views.py b/production/views.py
index bcafcdbe0da5502211e0825a37054690ba9f205d..9c86ca0c9f0473030373e175da29151e893829a6 100644
--- a/production/views.py
+++ b/production/views.py
@@ -155,10 +155,10 @@ def add_supervisor(request, stream_id):
         form.save()
         supervisor = form.cleaned_data.get('supervisor')
         assign_perm('can_work_for_stream', supervisor.user, stream)
+        assign_perm('can_perform_supervisory_actions', supervisor.user, stream)
         messages.success(request, 'Supervisor {supervisor} has been assigned.'.format(
             supervisor=supervisor))
         notify_new_stream_assignment(request.user, stream, supervisor.user)
-        assign_perm('can_perform_supervisory_actions', supervisor.user, stream)
     else:
         for key, error in form.errors.items():
             messages.warning(request, error[0])
diff --git a/scipost/static/scipost/assets/css/_pool.scss b/scipost/static/scipost/assets/css/_pool.scss
index 5a59e0df5e3c27754ad7f0804bdc167be7f4c14e..dea95e0ced53eeac71f9e825a6ba1c438a7d48eb 100644
--- a/scipost/static/scipost/assets/css/_pool.scss
+++ b/scipost/static/scipost/assets/css/_pool.scss
@@ -23,6 +23,10 @@ $pool-flex-width: calc(100% - 40px);
 
     .card.submission-detail {
         position: sticky;
+        position: -webkit-sticky;
+        position: -moz-sticky;
+        position: -ms-sticky;
+        position: -o-sticky;
         top: 15px;
     }
 
diff --git a/scipost/templates/scipost/about.html b/scipost/templates/scipost/about.html
index 9619d274fc35b73665b963e0ac5ed605b84fed55..6b849a4e6e2cf52de535e231a531c0fb0722ca94 100644
--- a/scipost/templates/scipost/about.html
+++ b/scipost/templates/scipost/about.html
@@ -66,7 +66,7 @@
 <hr>
 <div class="row">
     <div class="col-12">
-      <h2 class="highlight">The SciPost Team</h2>
+      <h2 class="highlight" id="team">The SciPost Team</h2>
     </div>
 </div>
 <div class="row justify-content-center">
@@ -81,12 +81,31 @@
     <div class="col-md-7 col-lg-6">
       <h3>Code Development and Server Maintenance</h3>
       <ul>
-    	<li>Lead programmer: J.-S. Caux</li>
-    	<li>Dev team: J. de Wit, G. Kapteijns, M. Moeys and B. Ponsioen</li>
+    	<li>J.-S. Caux</li>
+	<li>J. de Wit</li>
       </ul>
+      <p><em>with special thanks to M. Moeys, B. Ponsioen and G. Kapteijns</em></p>
     </div>
 </div>
 
+<div class="row justify-content-center">
+  <div class="col-md-4 col-lg-3">
+    <h3>Editorial Admin</h3>
+    <ul>
+      <li>M. Vonk</li>
+    </ul>
+  </div>
+  <div class="col-md-7 col-lg-6">
+    <h3>Production</h3>
+    <ul>
+      <li>T. Zwart</li>
+      <li>P. Verhagen</li>
+      <li>S. S&aacute;nchez L&oacute;pez</li>
+      <li>T. Ritmeester</li>
+    </ul>
+  </div>
+</div>
+
 <hr>
 <div class="row">
   <div class="col">
diff --git a/submissions/forms.py b/submissions/forms.py
index 1fd5527db82fa9c742d3dc13888280e6852e2e85..ef88d0341896ece923b8c7d75697eaea8b29d8a9 100644
--- a/submissions/forms.py
+++ b/submissions/forms.py
@@ -665,7 +665,7 @@ class SubmissionCycleChoiceForm(forms.ModelForm):
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
         self.fields['refereeing_cycle'].default = None
-        other_submission = self.instance.other_versions.first()
+        other_submission = self.instance.other_versions_pool.first()
         if other_submission:
             self.fields['referees_reinvite'].queryset = other_submission.referee_invitations.all()
 
diff --git a/submissions/models.py b/submissions/models.py
index 401e6caef049192a906ea7e12a4d7cf2d41c4fa7..e5fb47eb4424289c7bd3dd6f6d1f1d629694db8a 100644
--- a/submissions/models.py
+++ b/submissions/models.py
@@ -176,6 +176,12 @@ class Submission(models.Model):
 
     @cached_property
     def other_versions(self):
+        return Submission.objects.public().filter(
+            arxiv_identifier_wo_vn_nr=self.arxiv_identifier_wo_vn_nr
+        ).exclude(pk=self.id).order_by('-arxiv_vn_nr')
+
+    @cached_property
+    def other_versions_pool(self):
         return Submission.objects.filter(
             arxiv_identifier_wo_vn_nr=self.arxiv_identifier_wo_vn_nr
         ).exclude(pk=self.id).order_by('-arxiv_vn_nr')
diff --git a/submissions/signals.py b/submissions/signals.py
index 664ff585d5255a68d32b3ef6c949d79ab58edda3..d14134ba0d4753b025f251d8f2a8ca04cf406460 100644
--- a/submissions/signals.py
+++ b/submissions/signals.py
@@ -45,7 +45,7 @@ def notify_new_referee_invitation(sender, instance, created, **kwargs):
     """
     Notify a Referee about a new refereeing invitation.
     """
-    if created:
+    if created and instance.referee:
         notify.send(sender=sender, recipient=instance.referee.user,
                     actor=instance.submission.editor_in_charge,
                     verb=' would like to invite you to referee a Submission.', target=instance)
diff --git a/submissions/templates/submissions/editorial_page.html b/submissions/templates/submissions/editorial_page.html
index 1119bd13ff47ac7c57b18b65061083199f156c80..6d29d4075433e05a154953719b270919be79b224 100644
--- a/submissions/templates/submissions/editorial_page.html
+++ b/submissions/templates/submissions/editorial_page.html
@@ -20,7 +20,7 @@
 <div class="ml-2 mt-2">
     <h3>- Go to the <a href="{% url 'submissions:submission' arxiv_identifier_w_vn_nr=submission.arxiv_identifier_w_vn_nr %}">Submissions Page</a> to view Reports and Comments</h3>
 
-    {% if submission.other_versions or not submission.is_current %}
+    {% if submission.other_versions_pool or not submission.is_current %}
         <ul class="mt-3 mb-1 list-unstyled pl-4">
             {% if not submission.is_current %}
                 <li>
@@ -28,10 +28,10 @@
                 </li>
             {% endif %}
 
-            {% if submission.other_versions %}
+            {% if submission.other_versions_pool %}
                 <li>Other versions of this Submission exist:</li>
                 <ul class="list-unstyled">
-                    {% for vn in submission.other_versions %}
+                    {% for vn in submission.other_versions_pool %}
                         <li>{% include 'submissions/_submission_version.html' with submission=vn editorial_page=1 %}</li>
                     {% endfor %}
                 </ul>
diff --git a/submissions/templates/submissions/submission_detail.html b/submissions/templates/submissions/submission_detail.html
index e471bbd5e786995fc619aa745daba7e181f754a1..e234d4292d5778f38c6416c809a389752e35c321 100644
--- a/submissions/templates/submissions/submission_detail.html
+++ b/submissions/templates/submissions/submission_detail.html
@@ -50,7 +50,7 @@
                 <h3 class="mt-0">- <span class="circle text-danger border-danger">!</span> You have an unfinished report for this submission, <a href="{% url 'submissions:submit_report' arxiv_identifier_w_vn_nr=submission.arxiv_identifier_w_vn_nr %}">finish your report here.</a></h3>
             {% endif %}
 
-            {% if submission.other_versions or not submission.is_current %}
+            {% if submission.other_versions and not submission.is_current %}
                 <ul class="mt-3 mb-1 list-unstyled pl-4">
                     {% if not submission.is_current %}
                         <li><h3 class="text-danger">This is not the current version.</h3></li>
diff --git a/submissions/views.py b/submissions/views.py
index 7007d5d231c2a9af3164314afbd0f38d241bee4b..dacf0260181b637a1c60e0869e17d23277465e28 100644
--- a/submissions/views.py
+++ b/submissions/views.py
@@ -1501,7 +1501,7 @@ def fix_College_decision(request, rec_id):
     elif recommendation.recommendation == -3:
         # Reject + update-reject other versions of submission
         submission.status = 'rejected'
-        for sub in submission.other_versions:
+        for sub in submission.other_versions_pool:
             sub.status = 'resubmitted_rejected'
             sub.save()