--fix

src/components/extra_buttons/extra_buttons.js

@@ -25,7 +25,7 @@ library.add(
 )
 
 const ExtraButtons = {
-  props: [ 'status' ],
+  props: ['status'],
   components: { Popover },
   methods: {
     deleteStatus () {

src/components/extra_buttons/extra_buttons.vue

@@ -7,7 +7,7 @@
     :bound-to="{ x: 'container' }"
     remove-padding
   >
-    <template v-slot:content="{close}">
+    <template #content="{close}">
       <div class="dropdown-menu">
         <button
           v-if="canMute && !status.thread_muted"
@@ -120,7 +120,7 @@
         </button>
       </div>
     </template>
-    <template v-slot:trigger>
+    <template #trigger>
       <span class="button-unstyled popover-trigger">
         <FAIcon
           class="fa-scale-110 fa-old-padding"
@@ -131,7 +131,7 @@
   </Popover>
 </template>
 
-<script src="./extra_buttons.js" ></script>
+<script src="./extra_buttons.js"></script>
 
 <style lang="scss">
 @import '../../_variables.scss';