Here is a list of issues that were fixed in this release

Issue key Summary
AVSUPPORT-19804 Mail Explorer was not working in Safari. When doing some searches, for example by a Subject, UI showed wheel spin indefinitely.
AVSUPPORT-18374 DLP Sending two alerts, including one for internal recipients. Email direction was calculated from to/cc/bcc fields instead of the actual recipients of the email entity causing the issue.
AVSUPPORT-19583, AVSUPPORT-18603 Email restore description was unclear. Message stated 'user', instead of the admin that performed the operation. Message was clarified.