Please view the bug list in https://www.appeon.com/standardsupport/bugfixes?contents=&product=PowerBuilder&category=&version=2019+R3&build=2728.
This MR (Build 2728) will not update PowerServer. A separate MR will be released later to update PowerServer. Please check https://www.appeon.com/update for the official release of the Appeon products.
