Mattermost change history: Incident with Mattermost Boards

Mattermost Boards experienced performance and availability issues affecting Cloud Workspaces and Workspaces, rated major, from 2022-12-22 15:13 UTC to 2022-12-22 17:57 UTC (2 h 44 min). Mattermost applied a mitigation and confirmed resolution; all other services were reported working as expected.