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Announcements
2026.03.30
Notice of Support Desk Closure during the Golden Week
News
Notice: Due to the implementation of IPv6 support for external monitoring, alerts may be sent again
Important: IPv6 Support for Mackerel Web Console and API Endpoints, and Associated Action Required for "IP restriction" Settings
Recent Articles
2026.10.06
Release
Traces and logs can now be sent in the OTLP/HTTP JSON format (http/json), and more
2026.10.02
Maintenance
The system will temporarily shut down for scheduled maintenance on November 10 (Tue.)
2026.09.25
Release
Waterfall view is now available in trace details, and 2 other updates
2026.09.14
Release
AWS ALB integration now supports IPv6 metrics, plus 5 other updates
2026.09.08
News
Mackerel's Log Feature Reaches General Availability on November 1, 2026 (JST) — From Expert Insight to Team Strength
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