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

• To ensure LUN and SnapSync job integrity, users can no longer modify the properties of a LUN when the LUN is a SnapSync job destination.

Fixed Issues

• Resolved an issue where under certain rare conditions an existing shared folder would not appear in its storage pool.
• Fixed an issue that caused some services to become unresponsive after they had been running for some time.
• Fixed a rare issue where under certain conditions a storage controller might panic or become unresponsive.
• Fixed an issue where storage controller takeover would take too long due to pool scrubbing.
• Fixed an issue that caused all SSDs to become dirty when creating an SSD cache.
• Fixed a memory monitoring issue that sometimes caused the system to mistakenly display an error message reporting that a service was running abnormally and asking the user to contact QNAP support.
• Several minor bug fixes.