---
title: "Release notes for Application Observability plugin 1.51 | Grafana Cloud documentation"
description: "Release notes for Application Observability plugin 1.51"
---

> For a curated documentation index, see [llms.txt](/llms.txt). For the complete documentation index, see [llms-full.txt](/llms-full.txt).

# Release notes for Application Observability plugin 1.51

## 1.51.0

Released on 2025-03-18.

- Add profiles check to the service quality report
- No longer add configured filter by / group by attributes to filter by / group by dropdown menus if the respective metric labels do not exist in the data
- Fix the Frontend Observability icon sometimes not appearing in the service list for frontend applications

## 1.51.1

Released on 2025-03-20.

- Remove mention of the OpenTelemetry Collector in notification when user is using Grafana Cloud metrics generation
- Update the host hours check to query for the last 24h instead of the last 30m

## 1.51.2

Released on 2025-03-21.

- Improve the query used for checking host hours
- Give precedence to the trial check when checking for host hours
