You can now select which series to display in custom dashboard graphs
You can now select graph series in custom dashboards and collect Azure Cosmos DB metrics alongside several other enhancements.
Sponsorship of PHP Conference 2026 and booth exhibition
At PHP Conference 2026, you can visit the booth to see demonstrations of the upcoming Mackerel log feature and join hands-on activities.
You can now view detailed route information on the APM HTTP server tab
You can now view route-level metrics in APM, and behavior changed for the notification group API and Terraform provider.
You can try the open beta of the Mackerel log feature
You will be able to try searching and filtering logs and sharing search conditions with your team in the Mackerel open beta.
You can now read an explanation of observability and how it differs from monitoring
You can now read a guide explaining observability concepts, how it differs from monitoring, and adoption tips.
You now receive OK notifications when alerts close for retired hosts
Closing alerts for retired hosts now delivers OK notifications so you can easily track state changes.
You can now read the event report for JJUG CCC 2026 Spring
You can now review the booth activities and related materials from JJUG CCC 2026 Spring.
Guide on distributed tracing using Mackerel APM and OpenTelemetry
A guide explains how to trace front-end and back-end performance and identify bottlenecks using Mackerel APM and OpenTelemetry.
Tag-based host filtering for Amazon Connect and API enhancements
You can now avoid registering unwanted Amazon Connect hosts and benefit from various API and screen usability improvements.
You can try the Mackerel log feature prototype at JJUG CCC 2026 Spring
You can try the Mackerel log feature prototype and receive an OpenTelemetry guide for Spring Boot at JJUG CCC 2026 Spring.
