Not sure if this is “that one extension”, but I use Simple Tab Groups for Workspaces-like functionality, similar to Edge and Vivaldi. I know, it isn't tab groups, but I use it similarly.
I'm guessing, they're referring to multi-account container tabs. It's what the Chrome feature took heavy inspiration from, but of course without the privacy protection aspect.
Not sure if this is “that one extension”, but I use Simple Tab Groups for Workspaces-like functionality, similar to Edge and Vivaldi. I know, it isn't tab groups, but I use it similarly.
I'm guessing, they're referring to multi-account container tabs. It's what the Chrome feature took heavy inspiration from, but of course without the privacy protection aspect.