# Grafana v1.9.1 — Release & Upgrade Intelligence
- **Product:** Grafana (https://grafana.com)
- **Version:** v1.9.1
- **Released:** Dec 29, 2014
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/grafana/updates/v1.9.1/

## Executive Summary (TL;DR)
Grafana v1.9.1. Source highlight: Minor new features and fixes:

## Bug Fixes
- Issue #1251. Graph: Fix for y axis and scaled units (GiB etc) caused rounding, for example 400 GiB instead of 378 GiB
- Issue #1199. Graph: fix for series tooltip when one series is hidden/disabled