# Enhancements and Issues Resolved in This Release

This section describes enhancements introduced and issues resolved in this release of the Sentinel LDK Run-time Environment.

### Enhancements in Version 8.43

No enhancements are included in this release.

### Issues Resolved in Version 8.43

Reference | Description
--- | ---
SM-120179 | The zlib library has been upgraded to version 1.2.12.
SM-121566 | During installation of Run-time Environment 8.41 on a machine with an old CPU, installation would fail with a message similar to: Error when starting the Sentinel License Manager service with parameters 1280 0 0. This is an internal error.
SM-123325 | In Admin Control Center, the displayed recipient list of detached licenses was incomplete when the Sentinel License Manager worked with Secure Storage. This issue would not occur when working with Trusted Storage. This issue did not affect functionality of the License Manager.