Bitdefender Browser Isolation defeats attacks by monitoring memory for attack techniques July 24, 2019 https://www.helpnetsecurity.com/2019/07/24/bitdefender-browser-isolation/ Bitdefender: Bitdefender Browser Isolation Stops Sophisticated Cyber Threats
Well, not all sandboxes monitor browser memory, so in a way it's a bit new. Most sandboxes simply contain malware.
At a casual glance elsewhere it looks like this app is geared for commercial business use as opposed to home users.
Bitdefender Browser Isolation A Virtualised Browser With Raw Memory Security Detection https://www.cbronline.com/news/bitdefender-browser-isolation