Keycloak 21.0.1 released

March 01 2023

To download the release go to Keycloak downloads.

Migration from 20.0

Before you upgrade remember to backup your database. If you are not on the previous release refer to the documentation for a complete list of migration changes.

All resolved issues

Bugs

• #17192 Duplicated set-cookie headers sent causing issues with proxies keycloak authentication
• #17248 MigrateT021_0_0 fails with NPE if adminTheme is not configured explictly keycloak core
• #17313 When upgrading from v20.0.2 to v21.0.0 I get a NPE on Theme keycloak core

Upgrading

Before you upgrade remember to backup your database and check the upgrade guide for anything that may have changed.