• 2026.04.17 Release Improved searchability for high-cardinality metrics in Metric Explorer, and more
• 2026.04.16 News Important: IPv6 Support for Mackerel Web Console and API Endpoints, and Associated Action Required for "IP restriction" Settings
• 2026.03.30 News Notice of Support Desk Closure during the Golden Week
• 2026.03.27 News Notice: Due to the implementation of IPv6 support for external monitoring, alerts may be sent again
• 2026.03.25 Release Client tokens for posting traces from web frontends and mobile apps now available, and more
• 2026.03.16 Maintenance On Thursday, April 16, 2026, APM and tracing-related systems will be temporarily suspended for maintenance
• 2026.03.11 Release Estimated span usage is now available as a labeled metric, and more
• 2026.02.25 Release Filter by status in Span Detail Search for Trace Details, and more
• 2026.02.12 Release Sidebar width can now be adjusted by dragging, and more
• 2026.01.27 Release Additional metrics are now available when integrating ALB via AWS Integration, and more