# Grafana v6.3.6 — Release & Upgrade Intelligence
- **Product:** Grafana (https://grafana.com)
- **Version:** v6.3.6
- **Released:** Sep 23, 2019
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/grafana/updates/v6.3.6/

## Executive Summary (TL;DR)
Grafana v6.3.6. Source highlight: Download Page

## New Features
- **Metrics**: Adds setting for turning off total stats metrics. #19142, @marefr

## Bug Fixes
- **Database**: Rewrite system statistics query to perform better. #19178, @papagian
- **Explore**: Fixes error when switching from prometheus to loki data sources. #18599, @kaydelaney