- Added Java 21 support, deprecated Java 17, and removed most Java adapters, requiring migration to newer libraries.
- Updated UI to PatternFly 5, switched default password hashing to Argon2, introduced Hostname v2 options, and added preview persistent user sessions stored in the DB.
- Revised cookie handling: set SameSite attributes, removed KC_AUTH_STATE cookie and old cookie APIs, and fixed redirects for expired authentication sessions.
25.0.0
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Patched multiple critical CVEs (OpenTelemetry memory allocation, admin permission bypass, Jackson upgrade, group hierarchy disclosure, vault secret leak, account linking hash, reset credentials bypass) and fixed a config leak of the vaul...
Security patches address CVE‑2026‑9793 (JWE request object enforcement), CVE‑2026‑4629 (hard‑coded role mapper injection), CVE‑2026‑14209 (admin UI brute‑force), and two fine‑grained admin permission bypasses (client scope and group chil...