This article was updated on Monday, November 30, 2016 to reflect the latest movement. See bottom.
Where is BlackBerry OS 10.3.3? It has essentially become a running joke around here but if you're genuinely interested and want to know where BlackBerry stands on the release of the BlackBerry 10 OS 10.3.3 update, the company has shared some details.
Additionally, BlackBerry has been responding on their blog with a similar message.
We are in the final stages of NIAP security certification for our latest BB10 release, 10.3.3. We are grateful for our devoted BB10 customers and continue to support the platform.
It might not be exactly the information you're looking for, but it's certainly better than silence on that front.
BlackBerry OS 10.3.3 has now been released officially. Additionally, those looking for an unofficial method to install the OS have the option to use the available autoloader files.