# Grafana v12.3.9 — Release & Upgrade Intelligence
- **Product:** Grafana (https://grafana.com)
- **Version:** v12.3.9
- **Released:** Jul 21, 2026
- **Impact Score:** 5/10
- **Breaking Changes:** Not verified
- **Canonical Analysis:** https://changelogs.us/grafana/updates/v12.3.9/

## Executive Summary (TL;DR)
Grafana v12.3.9. Source highlight: Download page

## New Features
- **Alerting:** Return 403 instead of 500 on contact point provenance mismatch #127813, @rwwiv
- **Go:** Update version to 1.26.5 #128018, @macabu

## Bug Fixes
- **alerting:** fix ORM table mapping bug causing SELECT alert_rule columns FROM user on PostgreSQL #128754, @dhananjay6561