Keycloak 21.0.1 released

March 01 2023

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

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