What's new in Azure Monitor documentation

This article lists significant changes to Azure Monitor documentation.

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February 2025

Subservice Article Description
Agents Collect logs from a JSON file with Azure Monitor Agent Update for new JSON data source UI.
Application-Insights Create and configure Application Insights resources We unified our resource documentation to provide comprehensive guidance for both portal and at-scale deployment scenarios, significantly increasing accessibility for our largest customers. At-scale support now includes all modalities—Azure CLI, PowerShell, REST API, Bicep, and ARM.
Application-Insights Autoinstrumentation for Azure Kubernetes Service (Preview) Public Preview of Autoinstrumentation for Azure Kubernetes Service (AKS) is now live. This solution enables seamless application telemetry collection across entire clusters.
Essentials Create a transformation in Azure Monitor Added sample for normalization in Sentinel.
Logs Analyze data using Log Analytics Simple mode Log Analytics simple mode is now generally available.

January 2025

Subservice Article Description
Agents Azure Monitor Agent supported operating systems and environments Azure Monitor Agent now supports Windows Server 2025. The agent no longer supports Windows Server 2012 and Windows Server 2012 R2.
Application-Insights Counters for .NET in Application Insights We now cover .NET performance and event counter information in the same place.
Application-Insights Configuring JMX metrics New configuration examples for Java 17 JMX metrics, including garbage collection and threading.
Application-Insights Enable Azure Monitor OpenTelemetry for .NET, Node.js, Python, and Java applications Added logging configuration as an important step when getting started with Python OpenTelemetry.
Containers Troubleshoot Container insights General cleanup of article and added troubleshooting for additional error conditions.
Essentials Virtual machine guest performance counters A new article listing guest performance counters for Windows and Linux VMs.
Essentials Connect Grafana to Azure Monitor Prometheus metrics All Grafana configuration for Prometheus are now in a single article
Logs Get started with log queries in Azure Monitor Added examples of how to query data in your Log Analytics workspace using simple mode, alongside Kusto Query Language (KQL) examples.
Visualizations Azure Monitor Logs overview We now recommend using summary rules for custom dashboards, workbooks, and reports to improve query performance and reduce query errors and timeouts.