# Grafana v8.4.0 — Release & Upgrade Intelligence
- **Product:** Grafana (https://grafana.com)
- **Version:** v8.4.0
- **Released:** Feb 17, 2022
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/grafana/updates/v8.4.0/

## Executive Summary (TL;DR)
Grafana v8.4.0. Source highlight: Download page

## New Features
- **API:** Extract OpenAPI specification from source code using go-swagger. #40528, @papagian
- **AccessControl:** Disable user remove and user update roles when they do not have the permissions. #43429, @Jguer
- **AccessControl:** Provisioning for teams. #43767, @gamab
- **API:** Add usage stats preview endpoint. #43899, @Jguer
- **Alerting:** Move slow queries in the scheduler to another goroutine. #44423, @grobinson-grafana
- **Alerting:** Use time.Ticker instead of alerting.Ticker in ngalert. #44395, @grobinson-grafana

## Bug Fixes
- **Auth:** Guarantee consistency of signed SigV4 headers. #45054, @wbrowne
- **CloudWatch:** Fix MetricName resetting on Namespace change. #44165, @yaelleC
- **Cloudwatch :** Fixed reseting metric name when changing namespace in Metric Query. #44612, @yaelleC
- **Explore:** Avoid locking timepicker when range is inverted. #44790, @Elfo404
- **Instrumentation:** Fix HTTP request instrumentation of authentication failures. #44234, @marefr
- **LibraryPanels:** Prevent long descriptions and names from obscuring the delete button. #45190, @zuchka