# Keycloak 26.6.1 — Release & Upgrade Intelligence
- **Product:** Keycloak (https://www.keycloak.org)
- **Version:** 26.6.1
- **Released:** Apr 15, 2026
- **Impact Score:** 7/10
- **Breaking Changes:** Source flagged
- **Canonical Analysis:** https://changelogs.us/keycloak/updates/26.6.1/

## Executive Summary (TL;DR)
Keycloak 26.6.1. Source highlight: Before upgrading refer to

## Breaking Changes & Deprecations
- MigrateTo26_6_0 modifies custom browser flows, breaking existing realm authentication