# Cortex API 2.28.1 (R3.4.3)

## Release Schedule <a href="#release-schedule" id="release-schedule"></a>

**Cortex**

| Environment | Region     | Date           | Maintenance Window    |
| ----------- | ---------- | -------------- | --------------------- |
| Development | US, EU, CN | March 17, 2025 | 16:00 UTC - 20:00 UTC |
| Production  | US, EU, CN | March 24, 2025 | 12:00 UTC - 16:00 UTC |

### Updates <a href="#updates" id="updates"></a>

The following applications have been updated as part of this maintenance release. While some changes may result in resolved issues for end users, others may not have a direct impact on the user interface or functionality.

* **Cortex:** Change from 2.27.2 to 2.28.1

Additionally, this release may include updates to back-end services, which have no effect on the user experience. All updates, including back-end services, have been tested and validated in accordance with our standard operating procedures.