The current Bitdefender version, build number link.
I'm sure most of us know how to find our version, build number via the BD system tray icon, right-click, About. As well as clicking the life preserver at the top of the main UI Dashboard, and Product information at the bottom. But here is the link to confirm that the build you're on, is the most current build available.
All Bitdefender Home Product User Guides:https://www.bitdefender.com/consumer/support/user-guides/