lol, lmao, that was some shit, this is much easier and works all the time

src/components/timeline/timeline.js

@@ -12,19 +12,6 @@ library.add(
   faCog
 )
 
-export const getExcludedStatusIdsByPinning = (statuses, pinnedStatusIds) => {
-  const ids = []
-  if (pinnedStatusIds && pinnedStatusIds.length > 0) {
-    for (let status of statuses) {
-      if (!pinnedStatusIds.includes(status.id)) {
-        break
-      }
-      ids.push(status.id)
-    }
-  }
-  return ids
-}
-
 const Timeline = {
   props: [
     'timeline',
@@ -77,11 +64,6 @@ const Timeline = {
       }
     },
     // id map of statuses which need to be hidden in the main list due to pinning logic
-    excludedStatusIdsObject () {
-      const ids = getExcludedStatusIdsByPinning(this.timeline.visibleStatuses, this.pinnedStatusIds)
-      // Convert id array to object
-      return keyBy(ids)
-    },
     pinnedStatusIdsObject () {
       return keyBy(this.pinnedStatusIds)
     },

src/components/timeline/timeline.vue

@@ -37,7 +37,7 @@
         </template>
         <template v-for="status in timeline.visibleStatuses">
           <conversation
-            v-if="status._meta.fetchedFromPinned <= 0"
+            v-if="timelineName === 'bookmarks' || (status.id >= timeline.minId && status.id <= timeline.maxId)"
             :key="status.id"
             class="status-fadein"
             :status-id="status.id"