匿名访客的用户卡片在 `card.json?include_post_count_for` 中显示“500 内部服务器错误”后立即消失

With the original version of the plugin that was unmodified for years I never noticed this issue. Then when the update broke PMs between users I disabled the plugin. And now since I reenabled it with your latest fixes is when I noticed this issue.