| *Does this version...?* | |
| --------------------------------------------------------------- | -------- |
| **Change the database schema?** | **yes** |
-| Alter the API? | no |
+| **Alter the API?** | **yes** |
| Require attention to configuration options? | no |
| **Fix problems installing or upgrading to a previous version?** | **yes** |
| Introduce features? | no |
* **_CiviEvent_: Revert timezone changes ([dev/core#2122](https://lab.civicrm.org/dev/core/-/issues/2122): [#22940](https://github.com/civicrm/civicrm-core/pull/22940), [#22930](https://github.com/civicrm/civicrm-core/pull/22930))**
- v5.47.0 added timezone support to CiviEvent. Due to open issues which can affect downstream integrations and the accuracy of times, it is being removed from 5.47.3. If you use CiviEvent and ran v5.47.0-v5.47.2, please read the [CiviEvent v5.47 Timezone Notice](https://civicrm.org/redirect/event-timezone-5.47).
+ v5.47.0 added timezone support to CiviEvent. Due to open issues which can affect downstream integrations and the accuracy of times, it is being removed from 5.47.3.
+
+ The schema and API for CiviEvent will now match v5.46.
+
+ If you use CiviEvent and ran v5.47.0-v5.47.2, please read the [CiviEvent v5.47 Timezone Notice](https://civicrm.org/redirect/event-timezone-5.47).
## <a name="bugs"></a>Bugs resolved