# Grafana v9.1.5 — Release & Upgrade Intelligence
- **Product:** Grafana (https://grafana.com)
- **Version:** v9.1.5
- **Released:** Sep 13, 2022
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/grafana/updates/v9.1.5/

## Executive Summary (TL;DR)
Grafana v9.1.5. Source highlight: Download page

## New Features
- **Alerting:** Sanitize invalid label/annotation names for external alertmanagers. #54537, @JacobsonMT
- **Alerting:** Telegram: Truncate long messages to avoid send error. #54339, @ZloyDyadka
- **DisplayProcessor:** Handle reverse-ordered data when auto-showing millis. #54923, @leeoniya
- **Heatmap:** Add option to reverse color scheme. #54365, @leeoniya
- **PluginLoader:** Alias slate-react as @grafana/slate-react. #55027, @kaydelaney
- **Search:** Add substring matcher, to bring back the old dashboard search behavior. #54813, @ArturWierzbicki

## Bug Fixes
- **Alerting:** Fix incorrect propagation of org ID and other fields in rule provisioning endpoints. #54603, @alexweav
- **Alerting:** Resetting the notification policy tree to the default policy will also restore default contact points. #54608, @alexweav
- **AzureMonitor:** Fix custom namespaces. #54937, @asimpson
- **AzureMonitor:** Fix issue where custom metric namespaces are not included in the metric namespace list. #54826, @andresmgot
- **CloudWatch:** Fix display name of metric and namespace. #54860, @sunker
- **Cloudwatch:** Fix annotation query serialization issue. #54884, @sunker