Important Notes

• For instructions on updating QES to the latest version, open the following link. https://www.qnap.com/en/how-to/faq/article/my-nas-is-running-an-older-version-of-qes-can-i-update-to-the-latest-version-directly-what-sequence-should-i-follow-when-updating-qes
• For release note history, open the following link. https://www.qnap.com/en/releasenotes_qes/

Security Updates

• Fixed security issues.

Enhancements

• Added more logs for tracing memory consumption in order to help investigate the root cause when a system stops responding.

Fixed Issues

• Fixed an issue where under certain conditions a user could not update the firmware via the NAS management page.
• Addressed a rare bug that caused the NAS to automatically perform storage controller takeover after SnapSync job is removed.
• Added a mechanism to effectively remove idle processes so that they will no longer overaccumulate and cause the system to stop responding.
• Fixed a rare issue where restarting the NAS would cause the network settings to become inconsistent between the two storage controllers.
• Fixed an issue where restarting the NAS under certain conditions would cause the NAS management page to display a "No connection to DB" error message.
• Fixed an issue where a backup task that finished running would sometimes still appear to be stuck on running in Background Tasks.
• Addressed a stack size overflow problem that caused the system to failover automatically without reason.
• Fixed a rare issue where the UI would display incorrect information on an expansion unit after disconnecting it.
• Several minor bug fixes.