# Grafana v4.0.2 — Release & Upgrade Intelligence
- **Product:** Grafana (https://grafana.com)
- **Version:** v4.0.2
- **Released:** Dec 08, 2016
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/grafana/updates/v4.0.2/

## Executive Summary (TL;DR)
Grafana v4.0.2. Source highlight: **Playlist**: Add support for kiosk mode #6727

## New Features
- **Playlist**: Add support for kiosk mode #6727

## Bug Fixes
- **Alerting**: Add alert message to webhook notifications #6807
- **Alerting**: Fixes a bug where avg() reducer treated null as zero. #6879
- **PNG Rendering**: Fix for server side rendering when using non default http addr bind and domain setting #6813
- **PNG Rendering**: Fix for server side rendering when setting enforce_domain to true #6769
- **Webhooks**: Add content type json to outgoing webhooks #6822
- **Keyboard shortcut**: Fixed zoom out shortcut #6837