Impact Score: 5/10
Keycloak 26.1.5 — 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 26.1.5. 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)
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<h2>Upgrading</h2>
<p>Before upgrading refer to <a href="file:/home/runner/work/keycloak-rel/keycloak-rel/target/web/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/38409">#38409</a> Upgrade to Quarkus 3.15.4 <code>dist/quarkus</code></li>
<li><a href="https://github.com/keycloak/keycloak/issues/38764">#38764</a> OTel: Unable to disable sampling at runtime; tracing-sampler-ratio validation prevents setting 0.0 <code>dist/quarkus</code></li>
</ul>
<h3>Bugs</h3>
<ul>
<li><a href="https://github.com/keycloak/keycloak/issues/36482">#36482</a> The root cause of error is suppressed in KC 26 at building <code>dependencies</code></li>
<li><a href="https://github.com/keycloak/keycloak/issues/37792">#37792</a> Save Button Not Enabled When Switching OTP Type from "Time Based" to "Counter Based" <code>admin/ui</code></li>
<li><a href="https://github.com/keycloak/keycloak/issues/37869">#37869</a> ConditionalOtpFormAuthenticator fails to set CONFIGURE_TOTP required action for LDAP read-only users </li>
<li><a href="https://github.com/keycloak/keycloak/issues/38041">#38041</a> [Keycloak CI] - WebAuthn tests <code>ci</code></li>
<li><a href="https://github.com/keycloak/keycloak/issues/38063">#38063</a> Issue in clearing offline sessions internally using ClearExpiredUserSessions Scheduled task </li>
<li><a href="https://github.com/keycloak/keycloak/issues/38152">#38152</a> Broken guides link on reverseproxy page <code>docs</code></li>
<li><a href="https://github.com/keycloak/keycloak/issues/38353">#38353</a> Keycloak email message ID contains the local host name or IP address <code>core</code></li>
<li><a href="https://github.com/keycloak/keycloak/issues/38454">#38454</a> Keycloak account console is missing the Keycloak logo <code>account/ui</code></li>
<li><a href="https://github.com/keycloak/keycloak/issues/38576">#38576</a> Define a max expiration window for Signed JWT client authentication <code>oidc</code></li>
<li><a href="https://github.com/keycloak/keycloak/issues/38607">#38607</a> Recaptcha secret key configuration lost when migrating from 24.0.5 to 26.1.4 <code>authentication</code></li>
<li><a href="https://github.com/keycloak/keycloak/issues/38740">#38740</a> OTelHttpClientFactory not configured properly when tracing enabled <code>dist/quarkus</code></li>
</ul>
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