## [4.9.1](https://github.com/zitadel/zitadel/compare/v4.9.0...v4.9.1) (2026-01-14) ### Bug Fixes * allow for the smtp-config to have no password set. ([#11193](https://github.com/zitadel/zitadel/issues/11193)) ([6ff1211](https://github.com/zitadel/zitadel/commit/6ff1211a6712cb2fa441e0086f1ef6a3c7b6b55c)), closes [#11084](https://github.com/zitadel/zitadel/issues/11084) * **api:** implement missing filters on ListAdministrators endpoint ([#11319](https://github.com/zitadel/zitadel/issues/11319)) ([e680bde](https://github.com/zitadel/zitadel/commit/e680bde9112dd3a9b994c99986e5985742c24528)) * **cmd/build:** populate date variable when not set through ldflags ([#11316](https://github.com/zitadel/zitadel/issues/11316)) ([4ed8bc1](https://github.com/zitadel/zitadel/commit/4ed8bc14d257b5430570b65dd582121c7ac55052)) * **login v1:** handle automatic re-auth using id_token_hint properly ([#11326](https://github.com/zitadel/zitadel/issues/11326)) ([4746c22](https://github.com/zitadel/zitadel/commit/4746c22174a83b107a3b694f19e9ce9083a37423)) * **login:** correctly redirect to `/password` when `ignoreUnknownUsername` is set ([#11130](https://github.com/zitadel/zitadel/issues/11130)) ([c300d4c](https://github.com/zitadel/zitadel/commit/c300d4cc6a2775ab17ddfe76492f24170f8b858d)), closes [#11006](https://github.com/zitadel/zitadel/issues/11006) * **login:** generalize error message on code verifications ([b85ab69](https://github.com/zitadel/zitadel/commit/b85ab69e4679b0268e2b0e9b4cd04e934af10dd2)) * **login:** use onChange instead of onBlur with react-hook-form ([#11354](https://github.com/zitadel/zitadel/issues/11354)) ([3af3953](https://github.com/zitadel/zitadel/commit/3af3953443661176d4e4504104e84b678134bc02))