diff --git a/tailbone/templates/custorders/create.mako b/tailbone/templates/custorders/create.mako
index 055957bb..663c4300 100644
--- a/tailbone/templates/custorders/create.mako
+++ b/tailbone/templates/custorders/create.mako
@@ -574,7 +574,7 @@
                             </b-field>
 
                             <b-field label="Unit Size">
-                              <span>{{ productSize }}</span>
+                              <span>{{ productSize || '' }}</span>
                             </b-field>
 
                             <b-field label="Case Size">
@@ -734,7 +734,7 @@
                       <b-field grouped>
                         <b-field label="Product" horizontal>
                           <span :class="productIsKnown ? null : 'has-text-success'">
-                            {{ productIsKnown ? productDisplay : pendingProduct.brand_name + ' ' + pendingProduct.description + ' ' + pendingProduct.size }}
+                            {{ productIsKnown ? productDisplay : (pendingProduct.brand_name || '') + ' ' + (pendingProduct.description || '') + ' ' + (pendingProduct.size || '') }}
                           </span>
                         </b-field>
                       </b-field>
@@ -761,7 +761,7 @@
                                     :class="productPriceNeedsConfirmation ? 'has-background-warning' : ''"
                                 % endif
                                 >
-                            {{ productIsKnown ? productUnitPriceDisplay : '$' + pendingProduct.regular_price_amount }}
+                            {{ productIsKnown ? productUnitPriceDisplay : (pendingProduct.regular_price_amount ? '$' + pendingProduct.regular_price_amount : '') }}
                           </span>
                         </b-field>
 
diff --git a/tailbone/templates/master/view.mako b/tailbone/templates/master/view.mako
index b5930664..9a37b2bb 100644
--- a/tailbone/templates/master/view.mako
+++ b/tailbone/templates/master/view.mako
@@ -35,7 +35,7 @@
       <nav class="panel">
         <p class="panel-heading">Cross-Reference</p>
         <div class="panel-block buttons">
-          <div style="display: flex; flex-direction: column;">
+          <div style="display: flex; flex-direction: column; gap: 0.5rem;">
             % for button in xref_buttons:
                 ${button}
             % endfor
diff --git a/tailbone/views/master.py b/tailbone/views/master.py
index 176ff672..7a1eff98 100644
--- a/tailbone/views/master.py
+++ b/tailbone/views/master.py
@@ -1441,8 +1441,8 @@ class MasterView(View):
             changed_raw = app.render_datetime(app.localtime(txn.issued_at, from_utc=True))
             changed_ago = app.render_time_ago(app.make_utc() - txn.issued_at)
 
-            changed_by = str(txn.user)
-            if self.request.has_perm('users.view'):
+            changed_by = str(txn.user or '')
+            if self.request.has_perm('users.view') and txn.user:
                 changed_by = tags.link_to(changed_by, self.request.route_url('users.view', uuid=txn.user.uuid))
 
             return {
@@ -4961,10 +4961,16 @@ class MasterView(View):
     def make_diff(self, old_data, new_data, **kwargs):
         return diffs.Diff(old_data, new_data, **kwargs)
 
+    def get_version_diff_factory(self, **kwargs):
+        if hasattr(self, 'version_diff_factory'):
+            return self.version_diff_factory
+        return diffs.VersionDiff
+
     def make_version_diff(self, version, *args, **kwargs):
         if 'title' not in kwargs:
             kwargs['title'] = self.title_for_version(version)
-        return diffs.VersionDiff(version, *args, **kwargs)
+        factory = self.get_version_diff_factory()
+        return factory(version, *args, **kwargs)
 
     ##############################
     # Configuration Views