message: Only bootstrap the first 5 items in the feed.
diff: @@ -301,10 +301,8 @@ export class ActivityFeedView {
  const items = input.map(i => new ActivityFeedItem(i));
  this.state.addItems(items, position);
  - // We bootstrap right away. We only use bootstrapping for going back into the feeds.
  - for (const i of items) {
  - this.getItemState(i).isBootstrapped = true;
  - }
  + // We bootstrap the first 5 items right away.
  + this.state.items.slice(0, 5).forEach(i => (this.getItemState(i).isBootstrapped = true));
  }
  private getItemState(item: ActivityFeedItem) {
  