Keycloak 26.3.1 released

July 10 2025

To download the release go to Keycloak downloads.

Upgrading

Before upgrading refer to the migration guide for a complete list of changes.

All resolved issues

Enhancements

• #40851 Upgrade to Infinispan 15.0.16.Final
• #40962 Update limitations of the preview feature rolling updates for patch releases infinispan

Bugs

• #35932 Importing a realm takes more than 1 minute when multiple others exist. dist/quarkus
• #40368 NPE during loading user groups with concurrent deletion storage
• #40713 Unable to configure TLS reloading in Keycloak version 26.2.0 or later account/api
• #40838 Mark options for additional datasources as preview dist/quarkus
• #40890 Keycloak Operator 26.3.0 fails to update to 26.3.0 operator
• #40930 Docs: server_development/topics/themes.adoc docs
• #40954 Keycloak 26.3.0 Regression: Failed to login if web-authn is disabled core