Alertmanager deduplicates, groups, and routes alerts from Prometheus to all kinds of paging services. With it comes a dated UI which does not live up to the expectations of the users, nor does it attract new contributors. From this talk, you will learn how we addressed these issues when building the new UI from scratch. We made it friendlier to users by removing unnecessary domain language noise. In addition we added new power features such as filtering and grouping. As a result, it is now mu...