During the BlackBerry second quarter fiscal 2016 results, BlackBerry CEO John Chen revealed that the company plans to release the BlackBerry OS 10.3.3 mobile operating system in March 2016.
Below you can find a quoted message from the official announcement :
Second, the company will continue to develop and enhance the BlackBerry 10 operating system and is confirming plans to release platform updates focused on security and privacy enhancements, with version 10.3.3 scheduled to be available in March 2016.
To read more, please see the BlackBerry second quarter fiscal 2016 results announcement.
Builds of the operating system’s version has already appeared in server logs, however, as of now there is no information about whether the upgraded version of the OS will have any improvements except for security and privacy enhancements.