{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmackerel.io%2Fblog%2Fentry%2Fannouncement%2F20260327\" title=\"Notice: Due to the implementation of IPv6 support for external monitoring, alerts may be sent again - Announcements\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","published":"2026-03-27 15:40:47","width":"100%","blog_title":"Announcements","categories":["announcement"],"description":"We are currently working on adding support for IPv6 in Mackerel and will soon be releasing IPv6 support for external monitoring as an initial release. if an external monitoring alert is still opened, you may receive a new notification regarding that alert due to the message change.","author_url":"https://blog.hatena.ne.jp/mackerelio/","blog_url":"https://mackerel.io/blog/","provider_name":"Hatena Blog","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/m/mackerelio/20260327/20260327153731.png","provider_url":"https://hatena.blog","version":"1.0","url":"https://mackerel.io/blog/entry/announcement/20260327","author_name":"mackerelio","title":"Notice: Due to the implementation of IPv6 support for external monitoring, alerts may be sent again","height":"190","type":"rich"}