Impact Score: 5/10
Keycloak 26.3.1 — Release Notes & Engineering Impact
Source available — automated, not human-reviewed
Component: keycloak · Channel: stable. Automated analysis, not a compatibility certification. How this works.
Analysis updated: 2026-11-01.
⚡ Executive Summary (TL;DR)
Keycloak 26.3.1. Source highlight: Before upgrading refer to
Who Does This Impact? (Role-Based Analysis)
💻 Software Engineers & Devs
Check the source notes against the package and APIs you use before upgrading.
📊 Product & Engineering Leads
Use the documented changes to assess relevance to your product; release frequency alone is not a quality measure.
⚙️ DevOps & Security
Verify the target version, runtime requirements and rollback procedure in the official documentation.
📄 View Raw Release Notes (Original Developer Log)
<div>
<h2>Upgrading</h2>
<p>Before upgrading refer to <a href="https://www.keycloak.org/docs/latest/upgrading/#migration-changes">the migration guide</a> for a complete list of changes.</p>
<h2>All resolved issues</h2>
<h3>Enhancements</h3>
<ul>
<li><a href="https://github.com/keycloak/keycloak/issues/40851">#40851</a> Upgrade to Infinispan 15.0.16.Final </li>
<li><a href="https://github.com/keycloak/keycloak/issues/40962">#40962</a> Update limitations of the preview feature rolling updates for patch releases <code>infinispan</code></li>
</ul>
<h3>Bugs</h3>
<ul>
<li><a href="https://github.com/keycloak/keycloak/issues/35932">#35932</a> Importing a realm takes more than 1 minute when multiple others exist. <code>dist/quarkus</code></li>
<li><a href="https://github.com/keycloak/keycloak/issues/40368">#40368</a> NPE during loading user groups with concurrent deletion <code>storage</code></li>
<li><a href="https://github.com/keycloak/keycloak/issues/40713">#40713</a> Unable to configure TLS reloading in Keycloak version 26.2.0 or later <code>account/api</code></li>
<li><a href="https://github.com/keycloak/keycloak/issues/40838">#40838</a> Mark options for additional datasources as preview <code>dist/quarkus</code></li>
<li><a href="https://github.com/keycloak/keycloak/issues/40890">#40890</a> Keycloak Operator 26.3.0 fails to update to 26.3.0 <code>operator</code></li>
<li><a href="https://github.com/keycloak/keycloak/issues/40930">#40930</a> Docs: server_development/topics/themes.adoc <code>docs</code></li>
<li><a href="https://github.com/keycloak/keycloak/issues/40954">#40954</a> Keycloak 26.3.0 Regression: Failed to login if web-authn is disabled <code>core</code></li>
</ul>
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